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TARGET_MAX32625MBED/arm_math.h@140:97feb9bacc10, 2017-04-12 (annotated)

Committer:: <>
Date:: Wed Apr 12 16:07:08 2017 +0100
Revision:: 140:97feb9bacc10
Parent:: 129:0ab6a29f35bf
Child:: 145:64910690c574

Release 140 of the mbed library

Ports for Upcoming Targets

3841: Add nRf52840 target https://github.com/ARMmbed/mbed-os/pull/3841

3992: Introducing UBLOX_C030 platform. https://github.com/ARMmbed/mbed-os/pull/3992

Fixes and Changes

3951: [NUCLEO_F303ZE] Correct ARDUINO pin https://github.com/ARMmbed/mbed-os/pull/3951

4021: Fixing a macro to detect when RTOS was in use for the NRF52840_DK https://github.com/ARMmbed/mbed-os/pull/4021

3979: KW24D: Add missing SPI defines and Arduino connector definitions https://github.com/ARMmbed/mbed-os/pull/3979

3990: UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the https://github.com/ARMmbed/mbed-os/pull/3990

4003: Fixed OBOE in async serial tx for NRF52 target, fixes #4002 https://github.com/ARMmbed/mbed-os/pull/4003

4012: STM32: Correct I2C master error handling https://github.com/ARMmbed/mbed-os/pull/4012

4020: NUCLEO_L011K4 remove unsupported tool chain files https://github.com/ARMmbed/mbed-os/pull/4020

4065: K66F: Move bss section to m_data_2 Section https://github.com/ARMmbed/mbed-os/pull/4065

4014: Issue 3763: Reduce heap allocation in the GCC linker file https://github.com/ARMmbed/mbed-os/pull/4014

4030: [STM32L0] reduce IAR heap and stack size for small targets https://github.com/ARMmbed/mbed-os/pull/4030

4109: NUCLEO_L476RG : minor serial pin update https://github.com/ARMmbed/mbed-os/pull/4109

3982: Ticker - kl25z bugfix for handling events in the past https://github.com/ARMmbed/mbed-os/pull/3982

Who changed what in which revision?

User	Revision	Line number	New contents of line
<>	129:0ab6a29f35bf	1	/* ----------------------------------------------------------------------
<>	129:0ab6a29f35bf	2	* Copyright (C) 2010-2015 ARM Limited. All rights reserved.
<>	129:0ab6a29f35bf	3	*
<>	129:0ab6a29f35bf	4	* $Date: 19. March 2015
<>	129:0ab6a29f35bf	5	* $Revision: V.1.4.5
<>	129:0ab6a29f35bf	6	*
<>	129:0ab6a29f35bf	7	* Project: CMSIS DSP Library
<>	129:0ab6a29f35bf	8	* Title: arm_math.h
<>	129:0ab6a29f35bf	9	*
<>	129:0ab6a29f35bf	10	* Description: Public header file for CMSIS DSP Library
<>	129:0ab6a29f35bf	11	*
<>	129:0ab6a29f35bf	12	* Target Processor: Cortex-M7/Cortex-M4/Cortex-M3/Cortex-M0
<>	129:0ab6a29f35bf	13	*
<>	129:0ab6a29f35bf	14	* Redistribution and use in source and binary forms, with or without
<>	129:0ab6a29f35bf	15	* modification, are permitted provided that the following conditions
<>	129:0ab6a29f35bf	16	* are met:
<>	129:0ab6a29f35bf	17	* - Redistributions of source code must retain the above copyright
<>	129:0ab6a29f35bf	18	* notice, this list of conditions and the following disclaimer.
<>	129:0ab6a29f35bf	19	* - Redistributions in binary form must reproduce the above copyright
<>	129:0ab6a29f35bf	20	* notice, this list of conditions and the following disclaimer in
<>	129:0ab6a29f35bf	21	* the documentation and/or other materials provided with the
<>	129:0ab6a29f35bf	22	* distribution.
<>	129:0ab6a29f35bf	23	* - Neither the name of ARM LIMITED nor the names of its contributors
<>	129:0ab6a29f35bf	24	* may be used to endorse or promote products derived from this
<>	129:0ab6a29f35bf	25	* software without specific prior written permission.
<>	129:0ab6a29f35bf	26	*
<>	129:0ab6a29f35bf	27	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
<>	129:0ab6a29f35bf	28	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
<>	129:0ab6a29f35bf	29	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
<>	129:0ab6a29f35bf	30	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
<>	129:0ab6a29f35bf	31	* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
<>	129:0ab6a29f35bf	32	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
<>	129:0ab6a29f35bf	33	* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
<>	129:0ab6a29f35bf	34	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<>	129:0ab6a29f35bf	35	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
<>	129:0ab6a29f35bf	36	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
<>	129:0ab6a29f35bf	37	* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
<>	129:0ab6a29f35bf	38	* POSSIBILITY OF SUCH DAMAGE.
<>	129:0ab6a29f35bf	39	* -------------------------------------------------------------------- */
<>	129:0ab6a29f35bf	40
<>	129:0ab6a29f35bf	41	/**
<>	129:0ab6a29f35bf	42	\mainpage CMSIS DSP Software Library
<>	129:0ab6a29f35bf	43	*
<>	129:0ab6a29f35bf	44	* Introduction
<>	129:0ab6a29f35bf	45	* ------------
<>	129:0ab6a29f35bf	46	*
<>	129:0ab6a29f35bf	47	* This user manual describes the CMSIS DSP software library,
<>	129:0ab6a29f35bf	48	* a suite of common signal processing functions for use on Cortex-M processor based devices.
<>	129:0ab6a29f35bf	49	*
<>	129:0ab6a29f35bf	50	* The library is divided into a number of functions each covering a specific category:
<>	129:0ab6a29f35bf	51	* - Basic math functions
<>	129:0ab6a29f35bf	52	* - Fast math functions
<>	129:0ab6a29f35bf	53	* - Complex math functions
<>	129:0ab6a29f35bf	54	* - Filters
<>	129:0ab6a29f35bf	55	* - Matrix functions
<>	129:0ab6a29f35bf	56	* - Transforms
<>	129:0ab6a29f35bf	57	* - Motor control functions
<>	129:0ab6a29f35bf	58	* - Statistical functions
<>	129:0ab6a29f35bf	59	* - Support functions
<>	129:0ab6a29f35bf	60	* - Interpolation functions
<>	129:0ab6a29f35bf	61	*
<>	129:0ab6a29f35bf	62	* The library has separate functions for operating on 8-bit integers, 16-bit integers,
<>	129:0ab6a29f35bf	63	* 32-bit integer and 32-bit floating-point values.
<>	129:0ab6a29f35bf	64	*
<>	129:0ab6a29f35bf	65	* Using the Library
<>	129:0ab6a29f35bf	66	* ------------
<>	129:0ab6a29f35bf	67	*
<>	129:0ab6a29f35bf	68	* The library installer contains prebuilt versions of the libraries in the <code>Lib</code> folder.
<>	129:0ab6a29f35bf	69	* - arm_cortexM7lfdp_math.lib (Little endian and Double Precision Floating Point Unit on Cortex-M7)
<>	129:0ab6a29f35bf	70	* - arm_cortexM7bfdp_math.lib (Big endian and Double Precision Floating Point Unit on Cortex-M7)
<>	129:0ab6a29f35bf	71	* - arm_cortexM7lfsp_math.lib (Little endian and Single Precision Floating Point Unit on Cortex-M7)
<>	129:0ab6a29f35bf	72	* - arm_cortexM7bfsp_math.lib (Big endian and Single Precision Floating Point Unit on Cortex-M7)
<>	129:0ab6a29f35bf	73	* - arm_cortexM7l_math.lib (Little endian on Cortex-M7)
<>	129:0ab6a29f35bf	74	* - arm_cortexM7b_math.lib (Big endian on Cortex-M7)
<>	129:0ab6a29f35bf	75	* - arm_cortexM4lf_math.lib (Little endian and Floating Point Unit on Cortex-M4)
<>	129:0ab6a29f35bf	76	* - arm_cortexM4bf_math.lib (Big endian and Floating Point Unit on Cortex-M4)
<>	129:0ab6a29f35bf	77	* - arm_cortexM4l_math.lib (Little endian on Cortex-M4)
<>	129:0ab6a29f35bf	78	* - arm_cortexM4b_math.lib (Big endian on Cortex-M4)
<>	129:0ab6a29f35bf	79	* - arm_cortexM3l_math.lib (Little endian on Cortex-M3)
<>	129:0ab6a29f35bf	80	* - arm_cortexM3b_math.lib (Big endian on Cortex-M3)
<>	129:0ab6a29f35bf	81	* - arm_cortexM0l_math.lib (Little endian on Cortex-M0 / CortexM0+)
<>	129:0ab6a29f35bf	82	* - arm_cortexM0b_math.lib (Big endian on Cortex-M0 / CortexM0+)
<>	129:0ab6a29f35bf	83	*
<>	129:0ab6a29f35bf	84	* The library functions are declared in the public file <code>arm_math.h</code> which is placed in the <code>Include</code> folder.
<>	129:0ab6a29f35bf	85	* Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single
<>	129:0ab6a29f35bf	86	* public header file <code> arm_math.h</code> for Cortex-M7/M4/M3/M0/M0+ with little endian and big endian. Same header file will be used for floating point unit(FPU) variants.
<>	129:0ab6a29f35bf	87	* Define the appropriate pre processor MACRO ARM_MATH_CM7 or ARM_MATH_CM4 or ARM_MATH_CM3 or
<>	129:0ab6a29f35bf	88	* ARM_MATH_CM0 or ARM_MATH_CM0PLUS depending on the target processor in the application.
<>	129:0ab6a29f35bf	89	*
<>	129:0ab6a29f35bf	90	* Examples
<>	129:0ab6a29f35bf	91	* --------
<>	129:0ab6a29f35bf	92	*
<>	129:0ab6a29f35bf	93	* The library ships with a number of examples which demonstrate how to use the library functions.
<>	129:0ab6a29f35bf	94	*
<>	129:0ab6a29f35bf	95	* Toolchain Support
<>	129:0ab6a29f35bf	96	* ------------
<>	129:0ab6a29f35bf	97	*
<>	129:0ab6a29f35bf	98	* The library has been developed and tested with MDK-ARM version 5.14.0.0
<>	129:0ab6a29f35bf	99	* The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly.
<>	129:0ab6a29f35bf	100	*
<>	129:0ab6a29f35bf	101	* Building the Library
<>	129:0ab6a29f35bf	102	* ------------
<>	129:0ab6a29f35bf	103	*
<>	129:0ab6a29f35bf	104	* The library installer contains a project file to re build libraries on MDK-ARM Tool chain in the <code>CMSIS\\DSP_Lib\\Source\\ARM</code> folder.
<>	129:0ab6a29f35bf	105	* - arm_cortexM_math.uvprojx
<>	129:0ab6a29f35bf	106	*
<>	129:0ab6a29f35bf	107	*
<>	129:0ab6a29f35bf	108	* The libraries can be built by opening the arm_cortexM_math.uvprojx project in MDK-ARM, selecting a specific target, and defining the optional pre processor MACROs detailed above.
<>	129:0ab6a29f35bf	109	*
<>	129:0ab6a29f35bf	110	* Pre-processor Macros
<>	129:0ab6a29f35bf	111	* ------------
<>	129:0ab6a29f35bf	112	*
<>	129:0ab6a29f35bf	113	* Each library project have differant pre-processor macros.
<>	129:0ab6a29f35bf	114	*
<>	129:0ab6a29f35bf	115	* - UNALIGNED_SUPPORT_DISABLE:
<>	129:0ab6a29f35bf	116	*
<>	129:0ab6a29f35bf	117	* Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access
<>	129:0ab6a29f35bf	118	*
<>	129:0ab6a29f35bf	119	* - ARM_MATH_BIG_ENDIAN:
<>	129:0ab6a29f35bf	120	*
<>	129:0ab6a29f35bf	121	* Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets.
<>	129:0ab6a29f35bf	122	*
<>	129:0ab6a29f35bf	123	* - ARM_MATH_MATRIX_CHECK:
<>	129:0ab6a29f35bf	124	*
<>	129:0ab6a29f35bf	125	* Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices
<>	129:0ab6a29f35bf	126	*
<>	129:0ab6a29f35bf	127	* - ARM_MATH_ROUNDING:
<>	129:0ab6a29f35bf	128	*
<>	129:0ab6a29f35bf	129	* Define macro ARM_MATH_ROUNDING for rounding on support functions
<>	129:0ab6a29f35bf	130	*
<>	129:0ab6a29f35bf	131	* - ARM_MATH_CMx:
<>	129:0ab6a29f35bf	132	*
<>	129:0ab6a29f35bf	133	* Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target
<>	129:0ab6a29f35bf	134	* and ARM_MATH_CM0 for building library on Cortex-M0 target, ARM_MATH_CM0PLUS for building library on Cortex-M0+ target, and
<>	129:0ab6a29f35bf	135	* ARM_MATH_CM7 for building the library on cortex-M7.
<>	129:0ab6a29f35bf	136	*
<>	129:0ab6a29f35bf	137	* - __FPU_PRESENT:
<>	129:0ab6a29f35bf	138	*
<>	129:0ab6a29f35bf	139	* Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries
<>	129:0ab6a29f35bf	140	*
<>	129:0ab6a29f35bf	141	* <hr>
<>	129:0ab6a29f35bf	142	* CMSIS-DSP in ARM::CMSIS Pack
<>	129:0ab6a29f35bf	143	* -----------------------------
<>	129:0ab6a29f35bf	144	*
<>	129:0ab6a29f35bf	145	* The following files relevant to CMSIS-DSP are present in the <b>ARM::CMSIS</b> Pack directories:
<>	129:0ab6a29f35bf	146	* \|File/Folder \|Content \|
<>	129:0ab6a29f35bf	147	* \|------------------------------\|------------------------------------------------------------------------\|
<>	129:0ab6a29f35bf	148	* \|\b CMSIS\\Documentation\\DSP \| This documentation \|
<>	129:0ab6a29f35bf	149	* \|\b CMSIS\\DSP_Lib \| Software license agreement (license.txt) \|
<>	129:0ab6a29f35bf	150	* \|\b CMSIS\\DSP_Lib\\Examples \| Example projects demonstrating the usage of the library functions \|
<>	129:0ab6a29f35bf	151	* \|\b CMSIS\\DSP_Lib\\Source \| Source files for rebuilding the library \|
<>	129:0ab6a29f35bf	152	*
<>	129:0ab6a29f35bf	153	* <hr>
<>	129:0ab6a29f35bf	154	* Revision History of CMSIS-DSP
<>	129:0ab6a29f35bf	155	* ------------
<>	129:0ab6a29f35bf	156	* Please refer to \ref ChangeLog_pg.
<>	129:0ab6a29f35bf	157	*
<>	129:0ab6a29f35bf	158	* Copyright Notice
<>	129:0ab6a29f35bf	159	* ------------
<>	129:0ab6a29f35bf	160	*
<>	129:0ab6a29f35bf	161	* Copyright (C) 2010-2015 ARM Limited. All rights reserved.
<>	129:0ab6a29f35bf	162	*/
<>	129:0ab6a29f35bf	163
<>	129:0ab6a29f35bf	164
<>	129:0ab6a29f35bf	165	/**
<>	129:0ab6a29f35bf	166	* @defgroup groupMath Basic Math Functions
<>	129:0ab6a29f35bf	167	*/
<>	129:0ab6a29f35bf	168
<>	129:0ab6a29f35bf	169	/**
<>	129:0ab6a29f35bf	170	* @defgroup groupFastMath Fast Math Functions
<>	129:0ab6a29f35bf	171	* This set of functions provides a fast approximation to sine, cosine, and square root.
<>	129:0ab6a29f35bf	172	* As compared to most of the other functions in the CMSIS math library, the fast math functions
<>	129:0ab6a29f35bf	173	* operate on individual values and not arrays.
<>	129:0ab6a29f35bf	174	* There are separate functions for Q15, Q31, and floating-point data.
<>	129:0ab6a29f35bf	175	*
<>	129:0ab6a29f35bf	176	*/
<>	129:0ab6a29f35bf	177
<>	129:0ab6a29f35bf	178	/**
<>	129:0ab6a29f35bf	179	* @defgroup groupCmplxMath Complex Math Functions
<>	129:0ab6a29f35bf	180	* This set of functions operates on complex data vectors.
<>	129:0ab6a29f35bf	181	* The data in the complex arrays is stored in an interleaved fashion
<>	129:0ab6a29f35bf	182	* (real, imag, real, imag, ...).
<>	129:0ab6a29f35bf	183	* In the API functions, the number of samples in a complex array refers
<>	129:0ab6a29f35bf	184	* to the number of complex values; the array contains twice this number of
<>	129:0ab6a29f35bf	185	* real values.
<>	129:0ab6a29f35bf	186	*/
<>	129:0ab6a29f35bf	187
<>	129:0ab6a29f35bf	188	/**
<>	129:0ab6a29f35bf	189	* @defgroup groupFilters Filtering Functions
<>	129:0ab6a29f35bf	190	*/
<>	129:0ab6a29f35bf	191
<>	129:0ab6a29f35bf	192	/**
<>	129:0ab6a29f35bf	193	* @defgroup groupMatrix Matrix Functions
<>	129:0ab6a29f35bf	194	*
<>	129:0ab6a29f35bf	195	* This set of functions provides basic matrix math operations.
<>	129:0ab6a29f35bf	196	* The functions operate on matrix data structures. For example,
<>	129:0ab6a29f35bf	197	* the type
<>	129:0ab6a29f35bf	198	* definition for the floating-point matrix structure is shown
<>	129:0ab6a29f35bf	199	* below:
<>	129:0ab6a29f35bf	200	* <pre>
<>	129:0ab6a29f35bf	201	* typedef struct
<>	129:0ab6a29f35bf	202	* {
<>	129:0ab6a29f35bf	203	* uint16_t numRows; // number of rows of the matrix.
<>	129:0ab6a29f35bf	204	* uint16_t numCols; // number of columns of the matrix.
<>	129:0ab6a29f35bf	205	* float32_t *pData; // points to the data of the matrix.
<>	129:0ab6a29f35bf	206	* } arm_matrix_instance_f32;
<>	129:0ab6a29f35bf	207	* </pre>
<>	129:0ab6a29f35bf	208	* There are similar definitions for Q15 and Q31 data types.
<>	129:0ab6a29f35bf	209	*
<>	129:0ab6a29f35bf	210	* The structure specifies the size of the matrix and then points to
<>	129:0ab6a29f35bf	211	* an array of data. The array is of size <code>numRows X numCols</code>
<>	129:0ab6a29f35bf	212	* and the values are arranged in row order. That is, the
<>	129:0ab6a29f35bf	213	* matrix element (i, j) is stored at:
<>	129:0ab6a29f35bf	214	* <pre>
<>	129:0ab6a29f35bf	215	* pData[i*numCols + j]
<>	129:0ab6a29f35bf	216	* </pre>
<>	129:0ab6a29f35bf	217	*
<>	129:0ab6a29f35bf	218	* \par Init Functions
<>	129:0ab6a29f35bf	219	* There is an associated initialization function for each type of matrix
<>	129:0ab6a29f35bf	220	* data structure.
<>	129:0ab6a29f35bf	221	* The initialization function sets the values of the internal structure fields.
<>	129:0ab6a29f35bf	222	* Refer to the function <code>arm_mat_init_f32()</code>, <code>arm_mat_init_q31()</code>
<>	129:0ab6a29f35bf	223	* and <code>arm_mat_init_q15()</code> for floating-point, Q31 and Q15 types, respectively.
<>	129:0ab6a29f35bf	224	*
<>	129:0ab6a29f35bf	225	* \par
<>	129:0ab6a29f35bf	226	* Use of the initialization function is optional. However, if initialization function is used
<>	129:0ab6a29f35bf	227	* then the instance structure cannot be placed into a const data section.
<>	129:0ab6a29f35bf	228	* To place the instance structure in a const data
<>	129:0ab6a29f35bf	229	* section, manually initialize the data structure. For example:
<>	129:0ab6a29f35bf	230	* <pre>
<>	129:0ab6a29f35bf	231	* <code>arm_matrix_instance_f32 S = {nRows, nColumns, pData};</code>
<>	129:0ab6a29f35bf	232	* <code>arm_matrix_instance_q31 S = {nRows, nColumns, pData};</code>
<>	129:0ab6a29f35bf	233	* <code>arm_matrix_instance_q15 S = {nRows, nColumns, pData};</code>
<>	129:0ab6a29f35bf	234	* </pre>
<>	129:0ab6a29f35bf	235	* where <code>nRows</code> specifies the number of rows, <code>nColumns</code>
<>	129:0ab6a29f35bf	236	* specifies the number of columns, and <code>pData</code> points to the
<>	129:0ab6a29f35bf	237	* data array.
<>	129:0ab6a29f35bf	238	*
<>	129:0ab6a29f35bf	239	* \par Size Checking
<>	129:0ab6a29f35bf	240	* By default all of the matrix functions perform size checking on the input and
<>	129:0ab6a29f35bf	241	* output matrices. For example, the matrix addition function verifies that the
<>	129:0ab6a29f35bf	242	* two input matrices and the output matrix all have the same number of rows and
<>	129:0ab6a29f35bf	243	* columns. If the size check fails the functions return:
<>	129:0ab6a29f35bf	244	* <pre>
<>	129:0ab6a29f35bf	245	* ARM_MATH_SIZE_MISMATCH
<>	129:0ab6a29f35bf	246	* </pre>
<>	129:0ab6a29f35bf	247	* Otherwise the functions return
<>	129:0ab6a29f35bf	248	* <pre>
<>	129:0ab6a29f35bf	249	* ARM_MATH_SUCCESS
<>	129:0ab6a29f35bf	250	* </pre>
<>	129:0ab6a29f35bf	251	* There is some overhead associated with this matrix size checking.
<>	129:0ab6a29f35bf	252	* The matrix size checking is enabled via the \#define
<>	129:0ab6a29f35bf	253	* <pre>
<>	129:0ab6a29f35bf	254	* ARM_MATH_MATRIX_CHECK
<>	129:0ab6a29f35bf	255	* </pre>
<>	129:0ab6a29f35bf	256	* within the library project settings. By default this macro is defined
<>	129:0ab6a29f35bf	257	* and size checking is enabled. By changing the project settings and
<>	129:0ab6a29f35bf	258	* undefining this macro size checking is eliminated and the functions
<>	129:0ab6a29f35bf	259	* run a bit faster. With size checking disabled the functions always
<>	129:0ab6a29f35bf	260	* return <code>ARM_MATH_SUCCESS</code>.
<>	129:0ab6a29f35bf	261	*/
<>	129:0ab6a29f35bf	262
<>	129:0ab6a29f35bf	263	/**
<>	129:0ab6a29f35bf	264	* @defgroup groupTransforms Transform Functions
<>	129:0ab6a29f35bf	265	*/
<>	129:0ab6a29f35bf	266
<>	129:0ab6a29f35bf	267	/**
<>	129:0ab6a29f35bf	268	* @defgroup groupController Controller Functions
<>	129:0ab6a29f35bf	269	*/
<>	129:0ab6a29f35bf	270
<>	129:0ab6a29f35bf	271	/**
<>	129:0ab6a29f35bf	272	* @defgroup groupStats Statistics Functions
<>	129:0ab6a29f35bf	273	*/
<>	129:0ab6a29f35bf	274	/**
<>	129:0ab6a29f35bf	275	* @defgroup groupSupport Support Functions
<>	129:0ab6a29f35bf	276	*/
<>	129:0ab6a29f35bf	277
<>	129:0ab6a29f35bf	278	/**
<>	129:0ab6a29f35bf	279	* @defgroup groupInterpolation Interpolation Functions
<>	129:0ab6a29f35bf	280	* These functions perform 1- and 2-dimensional interpolation of data.
<>	129:0ab6a29f35bf	281	* Linear interpolation is used for 1-dimensional data and
<>	129:0ab6a29f35bf	282	* bilinear interpolation is used for 2-dimensional data.
<>	129:0ab6a29f35bf	283	*/
<>	129:0ab6a29f35bf	284
<>	129:0ab6a29f35bf	285	/**
<>	129:0ab6a29f35bf	286	* @defgroup groupExamples Examples
<>	129:0ab6a29f35bf	287	*/
<>	129:0ab6a29f35bf	288	#ifndef _ARM_MATH_H
<>	129:0ab6a29f35bf	289	#define _ARM_MATH_H
<>	129:0ab6a29f35bf	290
<>	129:0ab6a29f35bf	291	#define __CMSIS_GENERIC /* disable NVIC and Systick functions */
<>	129:0ab6a29f35bf	292
<>	129:0ab6a29f35bf	293	#if defined(ARM_MATH_CM7)
<>	129:0ab6a29f35bf	294	#include "core_cm7.h"
<>	129:0ab6a29f35bf	295	#elif defined (ARM_MATH_CM4)
<>	129:0ab6a29f35bf	296	#include "core_cm4.h"
<>	129:0ab6a29f35bf	297	#elif defined (ARM_MATH_CM3)
<>	129:0ab6a29f35bf	298	#include "core_cm3.h"
<>	129:0ab6a29f35bf	299	#elif defined (ARM_MATH_CM0)
<>	129:0ab6a29f35bf	300	#include "core_cm0.h"
<>	129:0ab6a29f35bf	301	#define ARM_MATH_CM0_FAMILY
<>	129:0ab6a29f35bf	302	#elif defined (ARM_MATH_CM0PLUS)
<>	129:0ab6a29f35bf	303	#include "core_cm0plus.h"
<>	129:0ab6a29f35bf	304	#define ARM_MATH_CM0_FAMILY
<>	129:0ab6a29f35bf	305	#else
<>	129:0ab6a29f35bf	306	#error "Define according the used Cortex core ARM_MATH_CM7, ARM_MATH_CM4, ARM_MATH_CM3, ARM_MATH_CM0PLUS or ARM_MATH_CM0"
<>	129:0ab6a29f35bf	307	#endif
<>	129:0ab6a29f35bf	308
<>	129:0ab6a29f35bf	309	#undef __CMSIS_GENERIC /* enable NVIC and Systick functions */
<>	129:0ab6a29f35bf	310	#include "string.h"
<>	129:0ab6a29f35bf	311	#include "math.h"
<>	129:0ab6a29f35bf	312	#ifdef __cplusplus
<>	129:0ab6a29f35bf	313	extern "C"
<>	129:0ab6a29f35bf	314	{
<>	129:0ab6a29f35bf	315	#endif
<>	129:0ab6a29f35bf	316
<>	129:0ab6a29f35bf	317
<>	129:0ab6a29f35bf	318	/**
<>	129:0ab6a29f35bf	319	* @brief Macros required for reciprocal calculation in Normalized LMS
<>	129:0ab6a29f35bf	320	*/
<>	129:0ab6a29f35bf	321
<>	129:0ab6a29f35bf	322	#define DELTA_Q31 (0x100)
<>	129:0ab6a29f35bf	323	#define DELTA_Q15 0x5
<>	129:0ab6a29f35bf	324	#define INDEX_MASK 0x0000003F
<>	129:0ab6a29f35bf	325	#ifndef PI
<>	129:0ab6a29f35bf	326	#define PI 3.14159265358979f
<>	129:0ab6a29f35bf	327	#endif
<>	129:0ab6a29f35bf	328
<>	129:0ab6a29f35bf	329	/**
<>	129:0ab6a29f35bf	330	* @brief Macros required for SINE and COSINE Fast math approximations
<>	129:0ab6a29f35bf	331	*/
<>	129:0ab6a29f35bf	332
<>	129:0ab6a29f35bf	333	#define FAST_MATH_TABLE_SIZE 512
<>	129:0ab6a29f35bf	334	#define FAST_MATH_Q31_SHIFT (32 - 10)
<>	129:0ab6a29f35bf	335	#define FAST_MATH_Q15_SHIFT (16 - 10)
<>	129:0ab6a29f35bf	336	#define CONTROLLER_Q31_SHIFT (32 - 9)
<>	129:0ab6a29f35bf	337	#define TABLE_SIZE 256
<>	129:0ab6a29f35bf	338	#define TABLE_SPACING_Q31 0x400000
<>	129:0ab6a29f35bf	339	#define TABLE_SPACING_Q15 0x80
<>	129:0ab6a29f35bf	340
<>	129:0ab6a29f35bf	341	/**
<>	129:0ab6a29f35bf	342	* @brief Macros required for SINE and COSINE Controller functions
<>	129:0ab6a29f35bf	343	*/
<>	129:0ab6a29f35bf	344	/* 1.31(q31) Fixed value of 2/360 */
<>	129:0ab6a29f35bf	345	/* -1 to +1 is divided into 360 values so total spacing is (2/360) */
<>	129:0ab6a29f35bf	346	#define INPUT_SPACING 0xB60B61
<>	129:0ab6a29f35bf	347
<>	129:0ab6a29f35bf	348	/**
<>	129:0ab6a29f35bf	349	* @brief Macro for Unaligned Support
<>	129:0ab6a29f35bf	350	*/
<>	129:0ab6a29f35bf	351	#ifndef UNALIGNED_SUPPORT_DISABLE
<>	129:0ab6a29f35bf	352	#define ALIGN4
<>	129:0ab6a29f35bf	353	#else
<>	129:0ab6a29f35bf	354	#if defined (__GNUC__)
<>	129:0ab6a29f35bf	355	#define ALIGN4 __attribute__((aligned(4)))
<>	129:0ab6a29f35bf	356	#else
<>	129:0ab6a29f35bf	357	#define ALIGN4 __align(4)
<>	129:0ab6a29f35bf	358	#endif
<>	129:0ab6a29f35bf	359	#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
<>	129:0ab6a29f35bf	360
<>	129:0ab6a29f35bf	361	/**
<>	129:0ab6a29f35bf	362	* @brief Error status returned by some functions in the library.
<>	129:0ab6a29f35bf	363	*/
<>	129:0ab6a29f35bf	364
<>	129:0ab6a29f35bf	365	typedef enum
<>	129:0ab6a29f35bf	366	{
<>	129:0ab6a29f35bf	367	ARM_MATH_SUCCESS = 0, /*< No error /
<>	129:0ab6a29f35bf	368	ARM_MATH_ARGUMENT_ERROR = -1, /*< One or more arguments are incorrect /
<>	129:0ab6a29f35bf	369	ARM_MATH_LENGTH_ERROR = -2, /*< Length of data buffer is incorrect /
<>	129:0ab6a29f35bf	370	ARM_MATH_SIZE_MISMATCH = -3, /*< Size of matrices is not compatible with the operation. /
<>	129:0ab6a29f35bf	371	ARM_MATH_NANINF = -4, /*< Not-a-number (NaN) or infinity is generated /
<>	129:0ab6a29f35bf	372	ARM_MATH_SINGULAR = -5, /*< Generated by matrix inversion if the input matrix is singular and cannot be inverted. /
<>	129:0ab6a29f35bf	373	ARM_MATH_TEST_FAILURE = -6 /*< Test Failed /
<>	129:0ab6a29f35bf	374	} arm_status;
<>	129:0ab6a29f35bf	375
<>	129:0ab6a29f35bf	376	/**
<>	129:0ab6a29f35bf	377	* @brief 8-bit fractional data type in 1.7 format.
<>	129:0ab6a29f35bf	378	*/
<>	129:0ab6a29f35bf	379	typedef int8_t q7_t;
<>	129:0ab6a29f35bf	380
<>	129:0ab6a29f35bf	381	/**
<>	129:0ab6a29f35bf	382	* @brief 16-bit fractional data type in 1.15 format.
<>	129:0ab6a29f35bf	383	*/
<>	129:0ab6a29f35bf	384	typedef int16_t q15_t;
<>	129:0ab6a29f35bf	385
<>	129:0ab6a29f35bf	386	/**
<>	129:0ab6a29f35bf	387	* @brief 32-bit fractional data type in 1.31 format.
<>	129:0ab6a29f35bf	388	*/
<>	129:0ab6a29f35bf	389	typedef int32_t q31_t;
<>	129:0ab6a29f35bf	390
<>	129:0ab6a29f35bf	391	/**
<>	129:0ab6a29f35bf	392	* @brief 64-bit fractional data type in 1.63 format.
<>	129:0ab6a29f35bf	393	*/
<>	129:0ab6a29f35bf	394	typedef int64_t q63_t;
<>	129:0ab6a29f35bf	395
<>	129:0ab6a29f35bf	396	/**
<>	129:0ab6a29f35bf	397	* @brief 32-bit floating-point type definition.
<>	129:0ab6a29f35bf	398	*/
<>	129:0ab6a29f35bf	399	typedef float float32_t;
<>	129:0ab6a29f35bf	400
<>	129:0ab6a29f35bf	401	/**
<>	129:0ab6a29f35bf	402	* @brief 64-bit floating-point type definition.
<>	129:0ab6a29f35bf	403	*/
<>	129:0ab6a29f35bf	404	typedef double float64_t;
<>	129:0ab6a29f35bf	405
<>	129:0ab6a29f35bf	406	/**
<>	129:0ab6a29f35bf	407	* @brief definition to read/write two 16 bit values.
<>	129:0ab6a29f35bf	408	*/
<>	129:0ab6a29f35bf	409	#if defined __CC_ARM
<>	129:0ab6a29f35bf	410	#define __SIMD32_TYPE int32_t __packed
<>	129:0ab6a29f35bf	411	#define CMSIS_UNUSED __attribute__((unused))
<>	129:0ab6a29f35bf	412	#elif defined __ICCARM__
<>	129:0ab6a29f35bf	413	#define __SIMD32_TYPE int32_t __packed
<>	129:0ab6a29f35bf	414	#define CMSIS_UNUSED
<>	129:0ab6a29f35bf	415	#elif defined __GNUC__
<>	129:0ab6a29f35bf	416	#define __SIMD32_TYPE int32_t
<>	129:0ab6a29f35bf	417	#define CMSIS_UNUSED __attribute__((unused))
<>	129:0ab6a29f35bf	418	#elif defined __CSMC__ /* Cosmic */
<>	129:0ab6a29f35bf	419	#define __SIMD32_TYPE int32_t
<>	129:0ab6a29f35bf	420	#define CMSIS_UNUSED
<>	129:0ab6a29f35bf	421	#elif defined __TASKING__
<>	129:0ab6a29f35bf	422	#define __SIMD32_TYPE __unaligned int32_t
<>	129:0ab6a29f35bf	423	#define CMSIS_UNUSED
<>	129:0ab6a29f35bf	424	#else
<>	129:0ab6a29f35bf	425	#error Unknown compiler
<>	129:0ab6a29f35bf	426	#endif
<>	129:0ab6a29f35bf	427
<>	129:0ab6a29f35bf	428	#define __SIMD32(addr) ((__SIMD32_TYPE *) & (addr))
<>	129:0ab6a29f35bf	429	#define __SIMD32_CONST(addr) ((__SIMD32_TYPE *)(addr))
<>	129:0ab6a29f35bf	430
<>	129:0ab6a29f35bf	431	#define _SIMD32_OFFSET(addr) ((__SIMD32_TYPE ) (addr))
<>	129:0ab6a29f35bf	432
<>	129:0ab6a29f35bf	433	#define __SIMD64(addr) ((int64_t *) & (addr))
<>	129:0ab6a29f35bf	434
<>	129:0ab6a29f35bf	435	#if defined (ARM_MATH_CM3) \|\| defined (ARM_MATH_CM0_FAMILY)
<>	129:0ab6a29f35bf	436	/**
<>	129:0ab6a29f35bf	437	* @brief definition to pack two 16 bit values.
<>	129:0ab6a29f35bf	438	*/
<>	129:0ab6a29f35bf	439	#define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) \| \
<>	129:0ab6a29f35bf	440	(((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000) )
<>	129:0ab6a29f35bf	441	#define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) \| \
<>	129:0ab6a29f35bf	442	(((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF) )
<>	129:0ab6a29f35bf	443
<>	129:0ab6a29f35bf	444	#endif
<>	129:0ab6a29f35bf	445
<>	129:0ab6a29f35bf	446
<>	129:0ab6a29f35bf	447	/**
<>	129:0ab6a29f35bf	448	* @brief definition to pack four 8 bit values.
<>	129:0ab6a29f35bf	449	*/
<>	129:0ab6a29f35bf	450	#ifndef ARM_MATH_BIG_ENDIAN
<>	129:0ab6a29f35bf	451
<>	129:0ab6a29f35bf	452	#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) << 0) & (int32_t)0x000000FF) \| \
<>	129:0ab6a29f35bf	453	(((int32_t)(v1) << 8) & (int32_t)0x0000FF00) \| \
<>	129:0ab6a29f35bf	454	(((int32_t)(v2) << 16) & (int32_t)0x00FF0000) \| \
<>	129:0ab6a29f35bf	455	(((int32_t)(v3) << 24) & (int32_t)0xFF000000) )
<>	129:0ab6a29f35bf	456	#else
<>	129:0ab6a29f35bf	457
<>	129:0ab6a29f35bf	458	#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) << 0) & (int32_t)0x000000FF) \| \
<>	129:0ab6a29f35bf	459	(((int32_t)(v2) << 8) & (int32_t)0x0000FF00) \| \
<>	129:0ab6a29f35bf	460	(((int32_t)(v1) << 16) & (int32_t)0x00FF0000) \| \
<>	129:0ab6a29f35bf	461	(((int32_t)(v0) << 24) & (int32_t)0xFF000000) )
<>	129:0ab6a29f35bf	462
<>	129:0ab6a29f35bf	463	#endif
<>	129:0ab6a29f35bf	464
<>	129:0ab6a29f35bf	465
<>	129:0ab6a29f35bf	466	/**
<>	129:0ab6a29f35bf	467	* @brief Clips Q63 to Q31 values.
<>	129:0ab6a29f35bf	468	*/
<>	129:0ab6a29f35bf	469	static __INLINE q31_t clip_q63_to_q31(
<>	129:0ab6a29f35bf	470	q63_t x)
<>	129:0ab6a29f35bf	471	{
<>	129:0ab6a29f35bf	472	return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
<>	129:0ab6a29f35bf	473	((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x;
<>	129:0ab6a29f35bf	474	}
<>	129:0ab6a29f35bf	475
<>	129:0ab6a29f35bf	476	/**
<>	129:0ab6a29f35bf	477	* @brief Clips Q63 to Q15 values.
<>	129:0ab6a29f35bf	478	*/
<>	129:0ab6a29f35bf	479	static __INLINE q15_t clip_q63_to_q15(
<>	129:0ab6a29f35bf	480	q63_t x)
<>	129:0ab6a29f35bf	481	{
<>	129:0ab6a29f35bf	482	return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
<>	129:0ab6a29f35bf	483	((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15);
<>	129:0ab6a29f35bf	484	}
<>	129:0ab6a29f35bf	485
<>	129:0ab6a29f35bf	486	/**
<>	129:0ab6a29f35bf	487	* @brief Clips Q31 to Q7 values.
<>	129:0ab6a29f35bf	488	*/
<>	129:0ab6a29f35bf	489	static __INLINE q7_t clip_q31_to_q7(
<>	129:0ab6a29f35bf	490	q31_t x)
<>	129:0ab6a29f35bf	491	{
<>	129:0ab6a29f35bf	492	return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ?
<>	129:0ab6a29f35bf	493	((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x;
<>	129:0ab6a29f35bf	494	}
<>	129:0ab6a29f35bf	495
<>	129:0ab6a29f35bf	496	/**
<>	129:0ab6a29f35bf	497	* @brief Clips Q31 to Q15 values.
<>	129:0ab6a29f35bf	498	*/
<>	129:0ab6a29f35bf	499	static __INLINE q15_t clip_q31_to_q15(
<>	129:0ab6a29f35bf	500	q31_t x)
<>	129:0ab6a29f35bf	501	{
<>	129:0ab6a29f35bf	502	return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ?
<>	129:0ab6a29f35bf	503	((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x;
<>	129:0ab6a29f35bf	504	}
<>	129:0ab6a29f35bf	505
<>	129:0ab6a29f35bf	506	/**
<>	129:0ab6a29f35bf	507	* @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
<>	129:0ab6a29f35bf	508	*/
<>	129:0ab6a29f35bf	509
<>	129:0ab6a29f35bf	510	static __INLINE q63_t mult32x64(
<>	129:0ab6a29f35bf	511	q63_t x,
<>	129:0ab6a29f35bf	512	q31_t y)
<>	129:0ab6a29f35bf	513	{
<>	129:0ab6a29f35bf	514	return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) +
<>	129:0ab6a29f35bf	515	(((q63_t) (x >> 32) * y)));
<>	129:0ab6a29f35bf	516	}
<>	129:0ab6a29f35bf	517
<>	129:0ab6a29f35bf	518
<>	129:0ab6a29f35bf	519	//#if defined (ARM_MATH_CM0_FAMILY) && defined ( __CC_ARM )
<>	129:0ab6a29f35bf	520	//#define __CLZ __clz
<>	129:0ab6a29f35bf	521	//#endif
<>	129:0ab6a29f35bf	522
<>	129:0ab6a29f35bf	523	//note: function can be removed when all toolchain support __CLZ for Cortex-M0
<>	129:0ab6a29f35bf	524	#if defined (ARM_MATH_CM0_FAMILY) && ((defined (__ICCARM__)) )
<>	129:0ab6a29f35bf	525
<>	129:0ab6a29f35bf	526	static __INLINE uint32_t __CLZ(
<>	129:0ab6a29f35bf	527	q31_t data);
<>	129:0ab6a29f35bf	528
<>	129:0ab6a29f35bf	529
<>	129:0ab6a29f35bf	530	static __INLINE uint32_t __CLZ(
<>	129:0ab6a29f35bf	531	q31_t data)
<>	129:0ab6a29f35bf	532	{
<>	129:0ab6a29f35bf	533	uint32_t count = 0;
<>	129:0ab6a29f35bf	534	uint32_t mask = 0x80000000;
<>	129:0ab6a29f35bf	535
<>	129:0ab6a29f35bf	536	while((data & mask) == 0)
<>	129:0ab6a29f35bf	537	{
<>	129:0ab6a29f35bf	538	count += 1u;
<>	129:0ab6a29f35bf	539	mask = mask >> 1u;
<>	129:0ab6a29f35bf	540	}
<>	129:0ab6a29f35bf	541
<>	129:0ab6a29f35bf	542	return (count);
<>	129:0ab6a29f35bf	543
<>	129:0ab6a29f35bf	544	}
<>	129:0ab6a29f35bf	545
<>	129:0ab6a29f35bf	546	#endif
<>	129:0ab6a29f35bf	547
<>	129:0ab6a29f35bf	548	/**
<>	129:0ab6a29f35bf	549	* @brief Function to Calculates 1/in (reciprocal) value of Q31 Data type.
<>	129:0ab6a29f35bf	550	*/
<>	129:0ab6a29f35bf	551
<>	129:0ab6a29f35bf	552	static __INLINE uint32_t arm_recip_q31(
<>	129:0ab6a29f35bf	553	q31_t in,
<>	129:0ab6a29f35bf	554	q31_t * dst,
<>	129:0ab6a29f35bf	555	q31_t * pRecipTable)
<>	129:0ab6a29f35bf	556	{
<>	129:0ab6a29f35bf	557
<>	129:0ab6a29f35bf	558	uint32_t out, tempVal;
<>	129:0ab6a29f35bf	559	uint32_t index, i;
<>	129:0ab6a29f35bf	560	uint32_t signBits;
<>	129:0ab6a29f35bf	561
<>	129:0ab6a29f35bf	562	if(in > 0)
<>	129:0ab6a29f35bf	563	{
<>	129:0ab6a29f35bf	564	signBits = __CLZ(in) - 1;
<>	129:0ab6a29f35bf	565	}
<>	129:0ab6a29f35bf	566	else
<>	129:0ab6a29f35bf	567	{
<>	129:0ab6a29f35bf	568	signBits = __CLZ(-in) - 1;
<>	129:0ab6a29f35bf	569	}
<>	129:0ab6a29f35bf	570
<>	129:0ab6a29f35bf	571	/* Convert input sample to 1.31 format */
<>	129:0ab6a29f35bf	572	in = in << signBits;
<>	129:0ab6a29f35bf	573
<>	129:0ab6a29f35bf	574	/* calculation of index for initial approximated Val */
<>	129:0ab6a29f35bf	575	index = (uint32_t) (in >> 24u);
<>	129:0ab6a29f35bf	576	index = (index & INDEX_MASK);
<>	129:0ab6a29f35bf	577
<>	129:0ab6a29f35bf	578	/* 1.31 with exp 1 */
<>	129:0ab6a29f35bf	579	out = pRecipTable[index];
<>	129:0ab6a29f35bf	580
<>	129:0ab6a29f35bf	581	/* calculation of reciprocal value */
<>	129:0ab6a29f35bf	582	/* running approximation for two iterations */
<>	129:0ab6a29f35bf	583	for (i = 0u; i < 2u; i++)
<>	129:0ab6a29f35bf	584	{
<>	129:0ab6a29f35bf	585	tempVal = (q31_t) (((q63_t) in * out) >> 31u);
<>	129:0ab6a29f35bf	586	tempVal = 0x7FFFFFFF - tempVal;
<>	129:0ab6a29f35bf	587	/* 1.31 with exp 1 */
<>	129:0ab6a29f35bf	588	//out = (q31_t) (((q63_t) out * tempVal) >> 30u);
<>	129:0ab6a29f35bf	589	out = (q31_t) clip_q63_to_q31(((q63_t) out * tempVal) >> 30u);
<>	129:0ab6a29f35bf	590	}
<>	129:0ab6a29f35bf	591
<>	129:0ab6a29f35bf	592	/* write output */
<>	129:0ab6a29f35bf	593	*dst = out;
<>	129:0ab6a29f35bf	594
<>	129:0ab6a29f35bf	595	/* return num of signbits of out = 1/in value */
<>	129:0ab6a29f35bf	596	return (signBits + 1u);
<>	129:0ab6a29f35bf	597
<>	129:0ab6a29f35bf	598	}
<>	129:0ab6a29f35bf	599
<>	129:0ab6a29f35bf	600	/**
<>	129:0ab6a29f35bf	601	* @brief Function to Calculates 1/in (reciprocal) value of Q15 Data type.
<>	129:0ab6a29f35bf	602	*/
<>	129:0ab6a29f35bf	603	static __INLINE uint32_t arm_recip_q15(
<>	129:0ab6a29f35bf	604	q15_t in,
<>	129:0ab6a29f35bf	605	q15_t * dst,
<>	129:0ab6a29f35bf	606	q15_t * pRecipTable)
<>	129:0ab6a29f35bf	607	{
<>	129:0ab6a29f35bf	608
<>	129:0ab6a29f35bf	609	uint32_t out = 0, tempVal = 0;
<>	129:0ab6a29f35bf	610	uint32_t index = 0, i = 0;
<>	129:0ab6a29f35bf	611	uint32_t signBits = 0;
<>	129:0ab6a29f35bf	612
<>	129:0ab6a29f35bf	613	if(in > 0)
<>	129:0ab6a29f35bf	614	{
<>	129:0ab6a29f35bf	615	signBits = __CLZ(in) - 17;
<>	129:0ab6a29f35bf	616	}
<>	129:0ab6a29f35bf	617	else
<>	129:0ab6a29f35bf	618	{
<>	129:0ab6a29f35bf	619	signBits = __CLZ(-in) - 17;
<>	129:0ab6a29f35bf	620	}
<>	129:0ab6a29f35bf	621
<>	129:0ab6a29f35bf	622	/* Convert input sample to 1.15 format */
<>	129:0ab6a29f35bf	623	in = in << signBits;
<>	129:0ab6a29f35bf	624
<>	129:0ab6a29f35bf	625	/* calculation of index for initial approximated Val */
<>	129:0ab6a29f35bf	626	index = in >> 8;
<>	129:0ab6a29f35bf	627	index = (index & INDEX_MASK);
<>	129:0ab6a29f35bf	628
<>	129:0ab6a29f35bf	629	/* 1.15 with exp 1 */
<>	129:0ab6a29f35bf	630	out = pRecipTable[index];
<>	129:0ab6a29f35bf	631
<>	129:0ab6a29f35bf	632	/* calculation of reciprocal value */
<>	129:0ab6a29f35bf	633	/* running approximation for two iterations */
<>	129:0ab6a29f35bf	634	for (i = 0; i < 2; i++)
<>	129:0ab6a29f35bf	635	{
<>	129:0ab6a29f35bf	636	tempVal = (q15_t) (((q31_t) in * out) >> 15);
<>	129:0ab6a29f35bf	637	tempVal = 0x7FFF - tempVal;
<>	129:0ab6a29f35bf	638	/* 1.15 with exp 1 */
<>	129:0ab6a29f35bf	639	out = (q15_t) (((q31_t) out * tempVal) >> 14);
<>	129:0ab6a29f35bf	640	}
<>	129:0ab6a29f35bf	641
<>	129:0ab6a29f35bf	642	/* write output */
<>	129:0ab6a29f35bf	643	*dst = out;
<>	129:0ab6a29f35bf	644
<>	129:0ab6a29f35bf	645	/* return num of signbits of out = 1/in value */
<>	129:0ab6a29f35bf	646	return (signBits + 1);
<>	129:0ab6a29f35bf	647
<>	129:0ab6a29f35bf	648	}
<>	129:0ab6a29f35bf	649
<>	129:0ab6a29f35bf	650
<>	129:0ab6a29f35bf	651	/*
<>	129:0ab6a29f35bf	652	* @brief C custom defined intrinisic function for only M0 processors
<>	129:0ab6a29f35bf	653	*/
<>	129:0ab6a29f35bf	654	#if defined(ARM_MATH_CM0_FAMILY)
<>	129:0ab6a29f35bf	655
<>	129:0ab6a29f35bf	656	static __INLINE q31_t __SSAT(
<>	129:0ab6a29f35bf	657	q31_t x,
<>	129:0ab6a29f35bf	658	uint32_t y)
<>	129:0ab6a29f35bf	659	{
<>	129:0ab6a29f35bf	660	int32_t posMax, negMin;
<>	129:0ab6a29f35bf	661	uint32_t i;
<>	129:0ab6a29f35bf	662
<>	129:0ab6a29f35bf	663	posMax = 1;
<>	129:0ab6a29f35bf	664	for (i = 0; i < (y - 1); i++)
<>	129:0ab6a29f35bf	665	{
<>	129:0ab6a29f35bf	666	posMax = posMax * 2;
<>	129:0ab6a29f35bf	667	}
<>	129:0ab6a29f35bf	668
<>	129:0ab6a29f35bf	669	if(x > 0)
<>	129:0ab6a29f35bf	670	{
<>	129:0ab6a29f35bf	671	posMax = (posMax - 1);
<>	129:0ab6a29f35bf	672
<>	129:0ab6a29f35bf	673	if(x > posMax)
<>	129:0ab6a29f35bf	674	{
<>	129:0ab6a29f35bf	675	x = posMax;
<>	129:0ab6a29f35bf	676	}
<>	129:0ab6a29f35bf	677	}
<>	129:0ab6a29f35bf	678	else
<>	129:0ab6a29f35bf	679	{
<>	129:0ab6a29f35bf	680	negMin = -posMax;
<>	129:0ab6a29f35bf	681
<>	129:0ab6a29f35bf	682	if(x < negMin)
<>	129:0ab6a29f35bf	683	{
<>	129:0ab6a29f35bf	684	x = negMin;
<>	129:0ab6a29f35bf	685	}
<>	129:0ab6a29f35bf	686	}
<>	129:0ab6a29f35bf	687	return (x);
<>	129:0ab6a29f35bf	688
<>	129:0ab6a29f35bf	689
<>	129:0ab6a29f35bf	690	}
<>	129:0ab6a29f35bf	691
<>	129:0ab6a29f35bf	692	#endif /* end of ARM_MATH_CM0_FAMILY */
<>	129:0ab6a29f35bf	693
<>	129:0ab6a29f35bf	694
<>	129:0ab6a29f35bf	695
<>	129:0ab6a29f35bf	696	/*
<>	129:0ab6a29f35bf	697	* @brief C custom defined intrinsic function for M3 and M0 processors
<>	129:0ab6a29f35bf	698	*/
<>	129:0ab6a29f35bf	699	#if defined (ARM_MATH_CM3) \|\| defined (ARM_MATH_CM0_FAMILY)
<>	129:0ab6a29f35bf	700
<>	129:0ab6a29f35bf	701	/*
<>	129:0ab6a29f35bf	702	* @brief C custom defined QADD8 for M3 and M0 processors
<>	129:0ab6a29f35bf	703	*/
<>	129:0ab6a29f35bf	704	static __INLINE q31_t __QADD8(
<>	129:0ab6a29f35bf	705	q31_t x,
<>	129:0ab6a29f35bf	706	q31_t y)
<>	129:0ab6a29f35bf	707	{
<>	129:0ab6a29f35bf	708
<>	129:0ab6a29f35bf	709	q31_t sum;
<>	129:0ab6a29f35bf	710	q7_t r, s, t, u;
<>	129:0ab6a29f35bf	711
<>	129:0ab6a29f35bf	712	r = (q7_t) x;
<>	129:0ab6a29f35bf	713	s = (q7_t) y;
<>	129:0ab6a29f35bf	714
<>	129:0ab6a29f35bf	715	r = __SSAT((q31_t) (r + s), 8);
<>	129:0ab6a29f35bf	716	s = __SSAT(((q31_t) (((x << 16) >> 24) + ((y << 16) >> 24))), 8);
<>	129:0ab6a29f35bf	717	t = __SSAT(((q31_t) (((x << 8) >> 24) + ((y << 8) >> 24))), 8);
<>	129:0ab6a29f35bf	718	u = __SSAT(((q31_t) ((x >> 24) + (y >> 24))), 8);
<>	129:0ab6a29f35bf	719
<>	129:0ab6a29f35bf	720	sum =
<>	129:0ab6a29f35bf	721	(((q31_t) u << 24) & 0xFF000000) \| (((q31_t) t << 16) & 0x00FF0000) \|
<>	129:0ab6a29f35bf	722	(((q31_t) s << 8) & 0x0000FF00) \| (r & 0x000000FF);
<>	129:0ab6a29f35bf	723
<>	129:0ab6a29f35bf	724	return sum;
<>	129:0ab6a29f35bf	725
<>	129:0ab6a29f35bf	726	}
<>	129:0ab6a29f35bf	727
<>	129:0ab6a29f35bf	728	/*
<>	129:0ab6a29f35bf	729	* @brief C custom defined QSUB8 for M3 and M0 processors
<>	129:0ab6a29f35bf	730	*/
<>	129:0ab6a29f35bf	731	static __INLINE q31_t __QSUB8(
<>	129:0ab6a29f35bf	732	q31_t x,
<>	129:0ab6a29f35bf	733	q31_t y)
<>	129:0ab6a29f35bf	734	{
<>	129:0ab6a29f35bf	735
<>	129:0ab6a29f35bf	736	q31_t sum;
<>	129:0ab6a29f35bf	737	q31_t r, s, t, u;
<>	129:0ab6a29f35bf	738
<>	129:0ab6a29f35bf	739	r = (q7_t) x;
<>	129:0ab6a29f35bf	740	s = (q7_t) y;
<>	129:0ab6a29f35bf	741
<>	129:0ab6a29f35bf	742	r = __SSAT((r - s), 8);
<>	129:0ab6a29f35bf	743	s = __SSAT(((q31_t) (((x << 16) >> 24) - ((y << 16) >> 24))), 8) << 8;
<>	129:0ab6a29f35bf	744	t = __SSAT(((q31_t) (((x << 8) >> 24) - ((y << 8) >> 24))), 8) << 16;
<>	129:0ab6a29f35bf	745	u = __SSAT(((q31_t) ((x >> 24) - (y >> 24))), 8) << 24;
<>	129:0ab6a29f35bf	746
<>	129:0ab6a29f35bf	747	sum =
<>	129:0ab6a29f35bf	748	(u & 0xFF000000) \| (t & 0x00FF0000) \| (s & 0x0000FF00) \| (r &
<>	129:0ab6a29f35bf	749	0x000000FF);
<>	129:0ab6a29f35bf	750
<>	129:0ab6a29f35bf	751	return sum;
<>	129:0ab6a29f35bf	752	}
<>	129:0ab6a29f35bf	753
<>	129:0ab6a29f35bf	754	/*
<>	129:0ab6a29f35bf	755	* @brief C custom defined QADD16 for M3 and M0 processors
<>	129:0ab6a29f35bf	756	*/
<>	129:0ab6a29f35bf	757
<>	129:0ab6a29f35bf	758	/*
<>	129:0ab6a29f35bf	759	* @brief C custom defined QADD16 for M3 and M0 processors
<>	129:0ab6a29f35bf	760	*/
<>	129:0ab6a29f35bf	761	static __INLINE q31_t __QADD16(
<>	129:0ab6a29f35bf	762	q31_t x,
<>	129:0ab6a29f35bf	763	q31_t y)
<>	129:0ab6a29f35bf	764	{
<>	129:0ab6a29f35bf	765
<>	129:0ab6a29f35bf	766	q31_t sum;
<>	129:0ab6a29f35bf	767	q31_t r, s;
<>	129:0ab6a29f35bf	768
<>	129:0ab6a29f35bf	769	r = (q15_t) x;
<>	129:0ab6a29f35bf	770	s = (q15_t) y;
<>	129:0ab6a29f35bf	771
<>	129:0ab6a29f35bf	772	r = __SSAT(r + s, 16);
<>	129:0ab6a29f35bf	773	s = __SSAT(((q31_t) ((x >> 16) + (y >> 16))), 16) << 16;
<>	129:0ab6a29f35bf	774
<>	129:0ab6a29f35bf	775	sum = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	776
<>	129:0ab6a29f35bf	777	return sum;
<>	129:0ab6a29f35bf	778
<>	129:0ab6a29f35bf	779	}
<>	129:0ab6a29f35bf	780
<>	129:0ab6a29f35bf	781	/*
<>	129:0ab6a29f35bf	782	* @brief C custom defined SHADD16 for M3 and M0 processors
<>	129:0ab6a29f35bf	783	*/
<>	129:0ab6a29f35bf	784	static __INLINE q31_t __SHADD16(
<>	129:0ab6a29f35bf	785	q31_t x,
<>	129:0ab6a29f35bf	786	q31_t y)
<>	129:0ab6a29f35bf	787	{
<>	129:0ab6a29f35bf	788
<>	129:0ab6a29f35bf	789	q31_t sum;
<>	129:0ab6a29f35bf	790	q31_t r, s;
<>	129:0ab6a29f35bf	791
<>	129:0ab6a29f35bf	792	r = (q15_t) x;
<>	129:0ab6a29f35bf	793	s = (q15_t) y;
<>	129:0ab6a29f35bf	794
<>	129:0ab6a29f35bf	795	r = ((r >> 1) + (s >> 1));
<>	129:0ab6a29f35bf	796	s = ((q31_t) ((x >> 17) + (y >> 17))) << 16;
<>	129:0ab6a29f35bf	797
<>	129:0ab6a29f35bf	798	sum = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	799
<>	129:0ab6a29f35bf	800	return sum;
<>	129:0ab6a29f35bf	801
<>	129:0ab6a29f35bf	802	}
<>	129:0ab6a29f35bf	803
<>	129:0ab6a29f35bf	804	/*
<>	129:0ab6a29f35bf	805	* @brief C custom defined QSUB16 for M3 and M0 processors
<>	129:0ab6a29f35bf	806	*/
<>	129:0ab6a29f35bf	807	static __INLINE q31_t __QSUB16(
<>	129:0ab6a29f35bf	808	q31_t x,
<>	129:0ab6a29f35bf	809	q31_t y)
<>	129:0ab6a29f35bf	810	{
<>	129:0ab6a29f35bf	811
<>	129:0ab6a29f35bf	812	q31_t sum;
<>	129:0ab6a29f35bf	813	q31_t r, s;
<>	129:0ab6a29f35bf	814
<>	129:0ab6a29f35bf	815	r = (q15_t) x;
<>	129:0ab6a29f35bf	816	s = (q15_t) y;
<>	129:0ab6a29f35bf	817
<>	129:0ab6a29f35bf	818	r = __SSAT(r - s, 16);
<>	129:0ab6a29f35bf	819	s = __SSAT(((q31_t) ((x >> 16) - (y >> 16))), 16) << 16;
<>	129:0ab6a29f35bf	820
<>	129:0ab6a29f35bf	821	sum = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	822
<>	129:0ab6a29f35bf	823	return sum;
<>	129:0ab6a29f35bf	824	}
<>	129:0ab6a29f35bf	825
<>	129:0ab6a29f35bf	826	/*
<>	129:0ab6a29f35bf	827	* @brief C custom defined SHSUB16 for M3 and M0 processors
<>	129:0ab6a29f35bf	828	*/
<>	129:0ab6a29f35bf	829	static __INLINE q31_t __SHSUB16(
<>	129:0ab6a29f35bf	830	q31_t x,
<>	129:0ab6a29f35bf	831	q31_t y)
<>	129:0ab6a29f35bf	832	{
<>	129:0ab6a29f35bf	833
<>	129:0ab6a29f35bf	834	q31_t diff;
<>	129:0ab6a29f35bf	835	q31_t r, s;
<>	129:0ab6a29f35bf	836
<>	129:0ab6a29f35bf	837	r = (q15_t) x;
<>	129:0ab6a29f35bf	838	s = (q15_t) y;
<>	129:0ab6a29f35bf	839
<>	129:0ab6a29f35bf	840	r = ((r >> 1) - (s >> 1));
<>	129:0ab6a29f35bf	841	s = (((x >> 17) - (y >> 17)) << 16);
<>	129:0ab6a29f35bf	842
<>	129:0ab6a29f35bf	843	diff = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	844
<>	129:0ab6a29f35bf	845	return diff;
<>	129:0ab6a29f35bf	846	}
<>	129:0ab6a29f35bf	847
<>	129:0ab6a29f35bf	848	/*
<>	129:0ab6a29f35bf	849	* @brief C custom defined QASX for M3 and M0 processors
<>	129:0ab6a29f35bf	850	*/
<>	129:0ab6a29f35bf	851	static __INLINE q31_t __QASX(
<>	129:0ab6a29f35bf	852	q31_t x,
<>	129:0ab6a29f35bf	853	q31_t y)
<>	129:0ab6a29f35bf	854	{
<>	129:0ab6a29f35bf	855
<>	129:0ab6a29f35bf	856	q31_t sum = 0;
<>	129:0ab6a29f35bf	857
<>	129:0ab6a29f35bf	858	sum =
<>	129:0ab6a29f35bf	859	((sum +
<>	129:0ab6a29f35bf	860	clip_q31_to_q15((q31_t) ((q15_t) (x >> 16) + (q15_t) y))) << 16) +
<>	129:0ab6a29f35bf	861	clip_q31_to_q15((q31_t) ((q15_t) x - (q15_t) (y >> 16)));
<>	129:0ab6a29f35bf	862
<>	129:0ab6a29f35bf	863	return sum;
<>	129:0ab6a29f35bf	864	}
<>	129:0ab6a29f35bf	865
<>	129:0ab6a29f35bf	866	/*
<>	129:0ab6a29f35bf	867	* @brief C custom defined SHASX for M3 and M0 processors
<>	129:0ab6a29f35bf	868	*/
<>	129:0ab6a29f35bf	869	static __INLINE q31_t __SHASX(
<>	129:0ab6a29f35bf	870	q31_t x,
<>	129:0ab6a29f35bf	871	q31_t y)
<>	129:0ab6a29f35bf	872	{
<>	129:0ab6a29f35bf	873
<>	129:0ab6a29f35bf	874	q31_t sum;
<>	129:0ab6a29f35bf	875	q31_t r, s;
<>	129:0ab6a29f35bf	876
<>	129:0ab6a29f35bf	877	r = (q15_t) x;
<>	129:0ab6a29f35bf	878	s = (q15_t) y;
<>	129:0ab6a29f35bf	879
<>	129:0ab6a29f35bf	880	r = ((r >> 1) - (y >> 17));
<>	129:0ab6a29f35bf	881	s = (((x >> 17) + (s >> 1)) << 16);
<>	129:0ab6a29f35bf	882
<>	129:0ab6a29f35bf	883	sum = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	884
<>	129:0ab6a29f35bf	885	return sum;
<>	129:0ab6a29f35bf	886	}
<>	129:0ab6a29f35bf	887
<>	129:0ab6a29f35bf	888
<>	129:0ab6a29f35bf	889	/*
<>	129:0ab6a29f35bf	890	* @brief C custom defined QSAX for M3 and M0 processors
<>	129:0ab6a29f35bf	891	*/
<>	129:0ab6a29f35bf	892	static __INLINE q31_t __QSAX(
<>	129:0ab6a29f35bf	893	q31_t x,
<>	129:0ab6a29f35bf	894	q31_t y)
<>	129:0ab6a29f35bf	895	{
<>	129:0ab6a29f35bf	896
<>	129:0ab6a29f35bf	897	q31_t sum = 0;
<>	129:0ab6a29f35bf	898
<>	129:0ab6a29f35bf	899	sum =
<>	129:0ab6a29f35bf	900	((sum +
<>	129:0ab6a29f35bf	901	clip_q31_to_q15((q31_t) ((q15_t) (x >> 16) - (q15_t) y))) << 16) +
<>	129:0ab6a29f35bf	902	clip_q31_to_q15((q31_t) ((q15_t) x + (q15_t) (y >> 16)));
<>	129:0ab6a29f35bf	903
<>	129:0ab6a29f35bf	904	return sum;
<>	129:0ab6a29f35bf	905	}
<>	129:0ab6a29f35bf	906
<>	129:0ab6a29f35bf	907	/*
<>	129:0ab6a29f35bf	908	* @brief C custom defined SHSAX for M3 and M0 processors
<>	129:0ab6a29f35bf	909	*/
<>	129:0ab6a29f35bf	910	static __INLINE q31_t __SHSAX(
<>	129:0ab6a29f35bf	911	q31_t x,
<>	129:0ab6a29f35bf	912	q31_t y)
<>	129:0ab6a29f35bf	913	{
<>	129:0ab6a29f35bf	914
<>	129:0ab6a29f35bf	915	q31_t sum;
<>	129:0ab6a29f35bf	916	q31_t r, s;
<>	129:0ab6a29f35bf	917
<>	129:0ab6a29f35bf	918	r = (q15_t) x;
<>	129:0ab6a29f35bf	919	s = (q15_t) y;
<>	129:0ab6a29f35bf	920
<>	129:0ab6a29f35bf	921	r = ((r >> 1) + (y >> 17));
<>	129:0ab6a29f35bf	922	s = (((x >> 17) - (s >> 1)) << 16);
<>	129:0ab6a29f35bf	923
<>	129:0ab6a29f35bf	924	sum = (s & 0xFFFF0000) \| (r & 0x0000FFFF);
<>	129:0ab6a29f35bf	925
<>	129:0ab6a29f35bf	926	return sum;
<>	129:0ab6a29f35bf	927	}
<>	129:0ab6a29f35bf	928
<>	129:0ab6a29f35bf	929	/*
<>	129:0ab6a29f35bf	930	* @brief C custom defined SMUSDX for M3 and M0 processors
<>	129:0ab6a29f35bf	931	*/
<>	129:0ab6a29f35bf	932	static __INLINE q31_t __SMUSDX(
<>	129:0ab6a29f35bf	933	q31_t x,
<>	129:0ab6a29f35bf	934	q31_t y)
<>	129:0ab6a29f35bf	935	{
<>	129:0ab6a29f35bf	936
<>	129:0ab6a29f35bf	937	return ((q31_t) (((q15_t) x * (q15_t) (y >> 16)) -
<>	129:0ab6a29f35bf	938	((q15_t) (x >> 16) * (q15_t) y)));
<>	129:0ab6a29f35bf	939	}
<>	129:0ab6a29f35bf	940
<>	129:0ab6a29f35bf	941	/*
<>	129:0ab6a29f35bf	942	* @brief C custom defined SMUADX for M3 and M0 processors
<>	129:0ab6a29f35bf	943	*/
<>	129:0ab6a29f35bf	944	static __INLINE q31_t __SMUADX(
<>	129:0ab6a29f35bf	945	q31_t x,
<>	129:0ab6a29f35bf	946	q31_t y)
<>	129:0ab6a29f35bf	947	{
<>	129:0ab6a29f35bf	948
<>	129:0ab6a29f35bf	949	return ((q31_t) (((q15_t) x * (q15_t) (y >> 16)) +
<>	129:0ab6a29f35bf	950	((q15_t) (x >> 16) * (q15_t) y)));
<>	129:0ab6a29f35bf	951	}
<>	129:0ab6a29f35bf	952
<>	129:0ab6a29f35bf	953	/*
<>	129:0ab6a29f35bf	954	* @brief C custom defined QADD for M3 and M0 processors
<>	129:0ab6a29f35bf	955	*/
<>	129:0ab6a29f35bf	956	static __INLINE q31_t __QADD(
<>	129:0ab6a29f35bf	957	q31_t x,
<>	129:0ab6a29f35bf	958	q31_t y)
<>	129:0ab6a29f35bf	959	{
<>	129:0ab6a29f35bf	960	return clip_q63_to_q31((q63_t) x + y);
<>	129:0ab6a29f35bf	961	}
<>	129:0ab6a29f35bf	962
<>	129:0ab6a29f35bf	963	/*
<>	129:0ab6a29f35bf	964	* @brief C custom defined QSUB for M3 and M0 processors
<>	129:0ab6a29f35bf	965	*/
<>	129:0ab6a29f35bf	966	static __INLINE q31_t __QSUB(
<>	129:0ab6a29f35bf	967	q31_t x,
<>	129:0ab6a29f35bf	968	q31_t y)
<>	129:0ab6a29f35bf	969	{
<>	129:0ab6a29f35bf	970	return clip_q63_to_q31((q63_t) x - y);
<>	129:0ab6a29f35bf	971	}
<>	129:0ab6a29f35bf	972
<>	129:0ab6a29f35bf	973	/*
<>	129:0ab6a29f35bf	974	* @brief C custom defined SMLAD for M3 and M0 processors
<>	129:0ab6a29f35bf	975	*/
<>	129:0ab6a29f35bf	976	static __INLINE q31_t __SMLAD(
<>	129:0ab6a29f35bf	977	q31_t x,
<>	129:0ab6a29f35bf	978	q31_t y,
<>	129:0ab6a29f35bf	979	q31_t sum)
<>	129:0ab6a29f35bf	980	{
<>	129:0ab6a29f35bf	981
<>	129:0ab6a29f35bf	982	return (sum + ((q15_t) (x >> 16) * (q15_t) (y >> 16)) +
<>	129:0ab6a29f35bf	983	((q15_t) x * (q15_t) y));
<>	129:0ab6a29f35bf	984	}
<>	129:0ab6a29f35bf	985
<>	129:0ab6a29f35bf	986	/*
<>	129:0ab6a29f35bf	987	* @brief C custom defined SMLADX for M3 and M0 processors
<>	129:0ab6a29f35bf	988	*/
<>	129:0ab6a29f35bf	989	static __INLINE q31_t __SMLADX(
<>	129:0ab6a29f35bf	990	q31_t x,
<>	129:0ab6a29f35bf	991	q31_t y,
<>	129:0ab6a29f35bf	992	q31_t sum)
<>	129:0ab6a29f35bf	993	{
<>	129:0ab6a29f35bf	994
<>	129:0ab6a29f35bf	995	return (sum + ((q15_t) (x >> 16) * (q15_t) (y)) +
<>	129:0ab6a29f35bf	996	((q15_t) x * (q15_t) (y >> 16)));
<>	129:0ab6a29f35bf	997	}
<>	129:0ab6a29f35bf	998
<>	129:0ab6a29f35bf	999	/*
<>	129:0ab6a29f35bf	1000	* @brief C custom defined SMLSDX for M3 and M0 processors
<>	129:0ab6a29f35bf	1001	*/
<>	129:0ab6a29f35bf	1002	static __INLINE q31_t __SMLSDX(
<>	129:0ab6a29f35bf	1003	q31_t x,
<>	129:0ab6a29f35bf	1004	q31_t y,
<>	129:0ab6a29f35bf	1005	q31_t sum)
<>	129:0ab6a29f35bf	1006	{
<>	129:0ab6a29f35bf	1007
<>	129:0ab6a29f35bf	1008	return (sum - ((q15_t) (x >> 16) * (q15_t) (y)) +
<>	129:0ab6a29f35bf	1009	((q15_t) x * (q15_t) (y >> 16)));
<>	129:0ab6a29f35bf	1010	}
<>	129:0ab6a29f35bf	1011
<>	129:0ab6a29f35bf	1012	/*
<>	129:0ab6a29f35bf	1013	* @brief C custom defined SMLALD for M3 and M0 processors
<>	129:0ab6a29f35bf	1014	*/
<>	129:0ab6a29f35bf	1015	static __INLINE q63_t __SMLALD(
<>	129:0ab6a29f35bf	1016	q31_t x,
<>	129:0ab6a29f35bf	1017	q31_t y,
<>	129:0ab6a29f35bf	1018	q63_t sum)
<>	129:0ab6a29f35bf	1019	{
<>	129:0ab6a29f35bf	1020
<>	129:0ab6a29f35bf	1021	return (sum + ((q15_t) (x >> 16) * (q15_t) (y >> 16)) +
<>	129:0ab6a29f35bf	1022	((q15_t) x * (q15_t) y));
<>	129:0ab6a29f35bf	1023	}
<>	129:0ab6a29f35bf	1024
<>	129:0ab6a29f35bf	1025	/*
<>	129:0ab6a29f35bf	1026	* @brief C custom defined SMLALDX for M3 and M0 processors
<>	129:0ab6a29f35bf	1027	*/
<>	129:0ab6a29f35bf	1028	static __INLINE q63_t __SMLALDX(
<>	129:0ab6a29f35bf	1029	q31_t x,
<>	129:0ab6a29f35bf	1030	q31_t y,
<>	129:0ab6a29f35bf	1031	q63_t sum)
<>	129:0ab6a29f35bf	1032	{
<>	129:0ab6a29f35bf	1033
<>	129:0ab6a29f35bf	1034	return (sum + ((q15_t) (x >> 16) * (q15_t) y)) +
<>	129:0ab6a29f35bf	1035	((q15_t) x * (q15_t) (y >> 16));
<>	129:0ab6a29f35bf	1036	}
<>	129:0ab6a29f35bf	1037
<>	129:0ab6a29f35bf	1038	/*
<>	129:0ab6a29f35bf	1039	* @brief C custom defined SMUAD for M3 and M0 processors
<>	129:0ab6a29f35bf	1040	*/
<>	129:0ab6a29f35bf	1041	static __INLINE q31_t __SMUAD(
<>	129:0ab6a29f35bf	1042	q31_t x,
<>	129:0ab6a29f35bf	1043	q31_t y)
<>	129:0ab6a29f35bf	1044	{
<>	129:0ab6a29f35bf	1045
<>	129:0ab6a29f35bf	1046	return (((x >> 16) * (y >> 16)) +
<>	129:0ab6a29f35bf	1047	(((x << 16) >> 16) * ((y << 16) >> 16)));
<>	129:0ab6a29f35bf	1048	}
<>	129:0ab6a29f35bf	1049
<>	129:0ab6a29f35bf	1050	/*
<>	129:0ab6a29f35bf	1051	* @brief C custom defined SMUSD for M3 and M0 processors
<>	129:0ab6a29f35bf	1052	*/
<>	129:0ab6a29f35bf	1053	static __INLINE q31_t __SMUSD(
<>	129:0ab6a29f35bf	1054	q31_t x,
<>	129:0ab6a29f35bf	1055	q31_t y)
<>	129:0ab6a29f35bf	1056	{
<>	129:0ab6a29f35bf	1057
<>	129:0ab6a29f35bf	1058	return (-((x >> 16) * (y >> 16)) +
<>	129:0ab6a29f35bf	1059	(((x << 16) >> 16) * ((y << 16) >> 16)));
<>	129:0ab6a29f35bf	1060	}
<>	129:0ab6a29f35bf	1061
<>	129:0ab6a29f35bf	1062
<>	129:0ab6a29f35bf	1063	/*
<>	129:0ab6a29f35bf	1064	* @brief C custom defined SXTB16 for M3 and M0 processors
<>	129:0ab6a29f35bf	1065	*/
<>	129:0ab6a29f35bf	1066	static __INLINE q31_t __SXTB16(
<>	129:0ab6a29f35bf	1067	q31_t x)
<>	129:0ab6a29f35bf	1068	{
<>	129:0ab6a29f35bf	1069
<>	129:0ab6a29f35bf	1070	return ((((x << 24) >> 24) & 0x0000FFFF) \|
<>	129:0ab6a29f35bf	1071	(((x << 8) >> 8) & 0xFFFF0000));
<>	129:0ab6a29f35bf	1072	}
<>	129:0ab6a29f35bf	1073
<>	129:0ab6a29f35bf	1074
<>	129:0ab6a29f35bf	1075	#endif /* defined (ARM_MATH_CM3) \|\| defined (ARM_MATH_CM0_FAMILY) */
<>	129:0ab6a29f35bf	1076
<>	129:0ab6a29f35bf	1077
<>	129:0ab6a29f35bf	1078	/**
<>	129:0ab6a29f35bf	1079	* @brief Instance structure for the Q7 FIR filter.
<>	129:0ab6a29f35bf	1080	*/
<>	129:0ab6a29f35bf	1081	typedef struct
<>	129:0ab6a29f35bf	1082	{
<>	129:0ab6a29f35bf	1083	uint16_t numTaps; /*< number of filter coefficients in the filter. /
<>	129:0ab6a29f35bf	1084	q7_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	1085	q7_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	1086	} arm_fir_instance_q7;
<>	129:0ab6a29f35bf	1087
<>	129:0ab6a29f35bf	1088	/**
<>	129:0ab6a29f35bf	1089	* @brief Instance structure for the Q15 FIR filter.
<>	129:0ab6a29f35bf	1090	*/
<>	129:0ab6a29f35bf	1091	typedef struct
<>	129:0ab6a29f35bf	1092	{
<>	129:0ab6a29f35bf	1093	uint16_t numTaps; /*< number of filter coefficients in the filter. /
<>	129:0ab6a29f35bf	1094	q15_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	1095	q15_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	1096	} arm_fir_instance_q15;
<>	129:0ab6a29f35bf	1097
<>	129:0ab6a29f35bf	1098	/**
<>	129:0ab6a29f35bf	1099	* @brief Instance structure for the Q31 FIR filter.
<>	129:0ab6a29f35bf	1100	*/
<>	129:0ab6a29f35bf	1101	typedef struct
<>	129:0ab6a29f35bf	1102	{
<>	129:0ab6a29f35bf	1103	uint16_t numTaps; /*< number of filter coefficients in the filter. /
<>	129:0ab6a29f35bf	1104	q31_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	1105	q31_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	1106	} arm_fir_instance_q31;
<>	129:0ab6a29f35bf	1107
<>	129:0ab6a29f35bf	1108	/**
<>	129:0ab6a29f35bf	1109	* @brief Instance structure for the floating-point FIR filter.
<>	129:0ab6a29f35bf	1110	*/
<>	129:0ab6a29f35bf	1111	typedef struct
<>	129:0ab6a29f35bf	1112	{
<>	129:0ab6a29f35bf	1113	uint16_t numTaps; /*< number of filter coefficients in the filter. /
<>	129:0ab6a29f35bf	1114	float32_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	1115	float32_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	1116	} arm_fir_instance_f32;
<>	129:0ab6a29f35bf	1117
<>	129:0ab6a29f35bf	1118
<>	129:0ab6a29f35bf	1119	/**
<>	129:0ab6a29f35bf	1120	* @brief Processing function for the Q7 FIR filter.
<>	129:0ab6a29f35bf	1121	* @param[in] *S points to an instance of the Q7 FIR filter structure.
<>	129:0ab6a29f35bf	1122	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1123	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1124	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1125	* @return none.
<>	129:0ab6a29f35bf	1126	*/
<>	129:0ab6a29f35bf	1127	void arm_fir_q7(
<>	129:0ab6a29f35bf	1128	const arm_fir_instance_q7 * S,
<>	129:0ab6a29f35bf	1129	q7_t * pSrc,
<>	129:0ab6a29f35bf	1130	q7_t * pDst,
<>	129:0ab6a29f35bf	1131	uint32_t blockSize);
<>	129:0ab6a29f35bf	1132
<>	129:0ab6a29f35bf	1133
<>	129:0ab6a29f35bf	1134	/**
<>	129:0ab6a29f35bf	1135	* @brief Initialization function for the Q7 FIR filter.
<>	129:0ab6a29f35bf	1136	* @param[in,out] *S points to an instance of the Q7 FIR structure.
<>	129:0ab6a29f35bf	1137	* @param[in] numTaps Number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	1138	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1139	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1140	* @param[in] blockSize number of samples that are processed.
<>	129:0ab6a29f35bf	1141	* @return none
<>	129:0ab6a29f35bf	1142	*/
<>	129:0ab6a29f35bf	1143	void arm_fir_init_q7(
<>	129:0ab6a29f35bf	1144	arm_fir_instance_q7 * S,
<>	129:0ab6a29f35bf	1145	uint16_t numTaps,
<>	129:0ab6a29f35bf	1146	q7_t * pCoeffs,
<>	129:0ab6a29f35bf	1147	q7_t * pState,
<>	129:0ab6a29f35bf	1148	uint32_t blockSize);
<>	129:0ab6a29f35bf	1149
<>	129:0ab6a29f35bf	1150
<>	129:0ab6a29f35bf	1151	/**
<>	129:0ab6a29f35bf	1152	* @brief Processing function for the Q15 FIR filter.
<>	129:0ab6a29f35bf	1153	* @param[in] *S points to an instance of the Q15 FIR structure.
<>	129:0ab6a29f35bf	1154	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1155	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1156	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1157	* @return none.
<>	129:0ab6a29f35bf	1158	*/
<>	129:0ab6a29f35bf	1159	void arm_fir_q15(
<>	129:0ab6a29f35bf	1160	const arm_fir_instance_q15 * S,
<>	129:0ab6a29f35bf	1161	q15_t * pSrc,
<>	129:0ab6a29f35bf	1162	q15_t * pDst,
<>	129:0ab6a29f35bf	1163	uint32_t blockSize);
<>	129:0ab6a29f35bf	1164
<>	129:0ab6a29f35bf	1165	/**
<>	129:0ab6a29f35bf	1166	* @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	1167	* @param[in] *S points to an instance of the Q15 FIR filter structure.
<>	129:0ab6a29f35bf	1168	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1169	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1170	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1171	* @return none.
<>	129:0ab6a29f35bf	1172	*/
<>	129:0ab6a29f35bf	1173	void arm_fir_fast_q15(
<>	129:0ab6a29f35bf	1174	const arm_fir_instance_q15 * S,
<>	129:0ab6a29f35bf	1175	q15_t * pSrc,
<>	129:0ab6a29f35bf	1176	q15_t * pDst,
<>	129:0ab6a29f35bf	1177	uint32_t blockSize);
<>	129:0ab6a29f35bf	1178
<>	129:0ab6a29f35bf	1179	/**
<>	129:0ab6a29f35bf	1180	* @brief Initialization function for the Q15 FIR filter.
<>	129:0ab6a29f35bf	1181	* @param[in,out] *S points to an instance of the Q15 FIR filter structure.
<>	129:0ab6a29f35bf	1182	* @param[in] numTaps Number of filter coefficients in the filter. Must be even and greater than or equal to 4.
<>	129:0ab6a29f35bf	1183	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1184	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1185	* @param[in] blockSize number of samples that are processed at a time.
<>	129:0ab6a29f35bf	1186	* @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if
<>	129:0ab6a29f35bf	1187	* <code>numTaps</code> is not a supported value.
<>	129:0ab6a29f35bf	1188	*/
<>	129:0ab6a29f35bf	1189
<>	129:0ab6a29f35bf	1190	arm_status arm_fir_init_q15(
<>	129:0ab6a29f35bf	1191	arm_fir_instance_q15 * S,
<>	129:0ab6a29f35bf	1192	uint16_t numTaps,
<>	129:0ab6a29f35bf	1193	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	1194	q15_t * pState,
<>	129:0ab6a29f35bf	1195	uint32_t blockSize);
<>	129:0ab6a29f35bf	1196
<>	129:0ab6a29f35bf	1197	/**
<>	129:0ab6a29f35bf	1198	* @brief Processing function for the Q31 FIR filter.
<>	129:0ab6a29f35bf	1199	* @param[in] *S points to an instance of the Q31 FIR filter structure.
<>	129:0ab6a29f35bf	1200	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1201	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1202	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1203	* @return none.
<>	129:0ab6a29f35bf	1204	*/
<>	129:0ab6a29f35bf	1205	void arm_fir_q31(
<>	129:0ab6a29f35bf	1206	const arm_fir_instance_q31 * S,
<>	129:0ab6a29f35bf	1207	q31_t * pSrc,
<>	129:0ab6a29f35bf	1208	q31_t * pDst,
<>	129:0ab6a29f35bf	1209	uint32_t blockSize);
<>	129:0ab6a29f35bf	1210
<>	129:0ab6a29f35bf	1211	/**
<>	129:0ab6a29f35bf	1212	* @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	1213	* @param[in] *S points to an instance of the Q31 FIR structure.
<>	129:0ab6a29f35bf	1214	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1215	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1216	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1217	* @return none.
<>	129:0ab6a29f35bf	1218	*/
<>	129:0ab6a29f35bf	1219	void arm_fir_fast_q31(
<>	129:0ab6a29f35bf	1220	const arm_fir_instance_q31 * S,
<>	129:0ab6a29f35bf	1221	q31_t * pSrc,
<>	129:0ab6a29f35bf	1222	q31_t * pDst,
<>	129:0ab6a29f35bf	1223	uint32_t blockSize);
<>	129:0ab6a29f35bf	1224
<>	129:0ab6a29f35bf	1225	/**
<>	129:0ab6a29f35bf	1226	* @brief Initialization function for the Q31 FIR filter.
<>	129:0ab6a29f35bf	1227	* @param[in,out] *S points to an instance of the Q31 FIR structure.
<>	129:0ab6a29f35bf	1228	* @param[in] numTaps Number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	1229	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1230	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1231	* @param[in] blockSize number of samples that are processed at a time.
<>	129:0ab6a29f35bf	1232	* @return none.
<>	129:0ab6a29f35bf	1233	*/
<>	129:0ab6a29f35bf	1234	void arm_fir_init_q31(
<>	129:0ab6a29f35bf	1235	arm_fir_instance_q31 * S,
<>	129:0ab6a29f35bf	1236	uint16_t numTaps,
<>	129:0ab6a29f35bf	1237	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	1238	q31_t * pState,
<>	129:0ab6a29f35bf	1239	uint32_t blockSize);
<>	129:0ab6a29f35bf	1240
<>	129:0ab6a29f35bf	1241	/**
<>	129:0ab6a29f35bf	1242	* @brief Processing function for the floating-point FIR filter.
<>	129:0ab6a29f35bf	1243	* @param[in] *S points to an instance of the floating-point FIR structure.
<>	129:0ab6a29f35bf	1244	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1245	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1246	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1247	* @return none.
<>	129:0ab6a29f35bf	1248	*/
<>	129:0ab6a29f35bf	1249	void arm_fir_f32(
<>	129:0ab6a29f35bf	1250	const arm_fir_instance_f32 * S,
<>	129:0ab6a29f35bf	1251	float32_t * pSrc,
<>	129:0ab6a29f35bf	1252	float32_t * pDst,
<>	129:0ab6a29f35bf	1253	uint32_t blockSize);
<>	129:0ab6a29f35bf	1254
<>	129:0ab6a29f35bf	1255	/**
<>	129:0ab6a29f35bf	1256	* @brief Initialization function for the floating-point FIR filter.
<>	129:0ab6a29f35bf	1257	* @param[in,out] *S points to an instance of the floating-point FIR filter structure.
<>	129:0ab6a29f35bf	1258	* @param[in] numTaps Number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	1259	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1260	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1261	* @param[in] blockSize number of samples that are processed at a time.
<>	129:0ab6a29f35bf	1262	* @return none.
<>	129:0ab6a29f35bf	1263	*/
<>	129:0ab6a29f35bf	1264	void arm_fir_init_f32(
<>	129:0ab6a29f35bf	1265	arm_fir_instance_f32 * S,
<>	129:0ab6a29f35bf	1266	uint16_t numTaps,
<>	129:0ab6a29f35bf	1267	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	1268	float32_t * pState,
<>	129:0ab6a29f35bf	1269	uint32_t blockSize);
<>	129:0ab6a29f35bf	1270
<>	129:0ab6a29f35bf	1271
<>	129:0ab6a29f35bf	1272	/**
<>	129:0ab6a29f35bf	1273	* @brief Instance structure for the Q15 Biquad cascade filter.
<>	129:0ab6a29f35bf	1274	*/
<>	129:0ab6a29f35bf	1275	typedef struct
<>	129:0ab6a29f35bf	1276	{
<>	129:0ab6a29f35bf	1277	int8_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	1278	q15_t pState; /< Points to the array of state coefficients. The array is of length 4numStages. */
<>	129:0ab6a29f35bf	1279	q15_t pCoeffs; /< Points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	1280	int8_t postShift; /*< Additional shift, in bits, applied to each output sample. /
<>	129:0ab6a29f35bf	1281
<>	129:0ab6a29f35bf	1282	} arm_biquad_casd_df1_inst_q15;
<>	129:0ab6a29f35bf	1283
<>	129:0ab6a29f35bf	1284
<>	129:0ab6a29f35bf	1285	/**
<>	129:0ab6a29f35bf	1286	* @brief Instance structure for the Q31 Biquad cascade filter.
<>	129:0ab6a29f35bf	1287	*/
<>	129:0ab6a29f35bf	1288	typedef struct
<>	129:0ab6a29f35bf	1289	{
<>	129:0ab6a29f35bf	1290	uint32_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	1291	q31_t pState; /< Points to the array of state coefficients. The array is of length 4numStages. */
<>	129:0ab6a29f35bf	1292	q31_t pCoeffs; /< Points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	1293	uint8_t postShift; /*< Additional shift, in bits, applied to each output sample. /
<>	129:0ab6a29f35bf	1294
<>	129:0ab6a29f35bf	1295	} arm_biquad_casd_df1_inst_q31;
<>	129:0ab6a29f35bf	1296
<>	129:0ab6a29f35bf	1297	/**
<>	129:0ab6a29f35bf	1298	* @brief Instance structure for the floating-point Biquad cascade filter.
<>	129:0ab6a29f35bf	1299	*/
<>	129:0ab6a29f35bf	1300	typedef struct
<>	129:0ab6a29f35bf	1301	{
<>	129:0ab6a29f35bf	1302	uint32_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	1303	float32_t pState; /< Points to the array of state coefficients. The array is of length 4numStages. */
<>	129:0ab6a29f35bf	1304	float32_t pCoeffs; /< Points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	1305
<>	129:0ab6a29f35bf	1306
<>	129:0ab6a29f35bf	1307	} arm_biquad_casd_df1_inst_f32;
<>	129:0ab6a29f35bf	1308
<>	129:0ab6a29f35bf	1309
<>	129:0ab6a29f35bf	1310
<>	129:0ab6a29f35bf	1311	/**
<>	129:0ab6a29f35bf	1312	* @brief Processing function for the Q15 Biquad cascade filter.
<>	129:0ab6a29f35bf	1313	* @param[in] *S points to an instance of the Q15 Biquad cascade structure.
<>	129:0ab6a29f35bf	1314	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1315	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1316	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1317	* @return none.
<>	129:0ab6a29f35bf	1318	*/
<>	129:0ab6a29f35bf	1319
<>	129:0ab6a29f35bf	1320	void arm_biquad_cascade_df1_q15(
<>	129:0ab6a29f35bf	1321	const arm_biquad_casd_df1_inst_q15 * S,
<>	129:0ab6a29f35bf	1322	q15_t * pSrc,
<>	129:0ab6a29f35bf	1323	q15_t * pDst,
<>	129:0ab6a29f35bf	1324	uint32_t blockSize);
<>	129:0ab6a29f35bf	1325
<>	129:0ab6a29f35bf	1326	/**
<>	129:0ab6a29f35bf	1327	* @brief Initialization function for the Q15 Biquad cascade filter.
<>	129:0ab6a29f35bf	1328	* @param[in,out] *S points to an instance of the Q15 Biquad cascade structure.
<>	129:0ab6a29f35bf	1329	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	1330	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1331	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1332	* @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
<>	129:0ab6a29f35bf	1333	* @return none
<>	129:0ab6a29f35bf	1334	*/
<>	129:0ab6a29f35bf	1335
<>	129:0ab6a29f35bf	1336	void arm_biquad_cascade_df1_init_q15(
<>	129:0ab6a29f35bf	1337	arm_biquad_casd_df1_inst_q15 * S,
<>	129:0ab6a29f35bf	1338	uint8_t numStages,
<>	129:0ab6a29f35bf	1339	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	1340	q15_t * pState,
<>	129:0ab6a29f35bf	1341	int8_t postShift);
<>	129:0ab6a29f35bf	1342
<>	129:0ab6a29f35bf	1343
<>	129:0ab6a29f35bf	1344	/**
<>	129:0ab6a29f35bf	1345	* @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	1346	* @param[in] *S points to an instance of the Q15 Biquad cascade structure.
<>	129:0ab6a29f35bf	1347	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1348	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1349	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1350	* @return none.
<>	129:0ab6a29f35bf	1351	*/
<>	129:0ab6a29f35bf	1352
<>	129:0ab6a29f35bf	1353	void arm_biquad_cascade_df1_fast_q15(
<>	129:0ab6a29f35bf	1354	const arm_biquad_casd_df1_inst_q15 * S,
<>	129:0ab6a29f35bf	1355	q15_t * pSrc,
<>	129:0ab6a29f35bf	1356	q15_t * pDst,
<>	129:0ab6a29f35bf	1357	uint32_t blockSize);
<>	129:0ab6a29f35bf	1358
<>	129:0ab6a29f35bf	1359
<>	129:0ab6a29f35bf	1360	/**
<>	129:0ab6a29f35bf	1361	* @brief Processing function for the Q31 Biquad cascade filter
<>	129:0ab6a29f35bf	1362	* @param[in] *S points to an instance of the Q31 Biquad cascade structure.
<>	129:0ab6a29f35bf	1363	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1364	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1365	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1366	* @return none.
<>	129:0ab6a29f35bf	1367	*/
<>	129:0ab6a29f35bf	1368
<>	129:0ab6a29f35bf	1369	void arm_biquad_cascade_df1_q31(
<>	129:0ab6a29f35bf	1370	const arm_biquad_casd_df1_inst_q31 * S,
<>	129:0ab6a29f35bf	1371	q31_t * pSrc,
<>	129:0ab6a29f35bf	1372	q31_t * pDst,
<>	129:0ab6a29f35bf	1373	uint32_t blockSize);
<>	129:0ab6a29f35bf	1374
<>	129:0ab6a29f35bf	1375	/**
<>	129:0ab6a29f35bf	1376	* @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	1377	* @param[in] *S points to an instance of the Q31 Biquad cascade structure.
<>	129:0ab6a29f35bf	1378	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1379	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1380	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1381	* @return none.
<>	129:0ab6a29f35bf	1382	*/
<>	129:0ab6a29f35bf	1383
<>	129:0ab6a29f35bf	1384	void arm_biquad_cascade_df1_fast_q31(
<>	129:0ab6a29f35bf	1385	const arm_biquad_casd_df1_inst_q31 * S,
<>	129:0ab6a29f35bf	1386	q31_t * pSrc,
<>	129:0ab6a29f35bf	1387	q31_t * pDst,
<>	129:0ab6a29f35bf	1388	uint32_t blockSize);
<>	129:0ab6a29f35bf	1389
<>	129:0ab6a29f35bf	1390	/**
<>	129:0ab6a29f35bf	1391	* @brief Initialization function for the Q31 Biquad cascade filter.
<>	129:0ab6a29f35bf	1392	* @param[in,out] *S points to an instance of the Q31 Biquad cascade structure.
<>	129:0ab6a29f35bf	1393	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	1394	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1395	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1396	* @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
<>	129:0ab6a29f35bf	1397	* @return none
<>	129:0ab6a29f35bf	1398	*/
<>	129:0ab6a29f35bf	1399
<>	129:0ab6a29f35bf	1400	void arm_biquad_cascade_df1_init_q31(
<>	129:0ab6a29f35bf	1401	arm_biquad_casd_df1_inst_q31 * S,
<>	129:0ab6a29f35bf	1402	uint8_t numStages,
<>	129:0ab6a29f35bf	1403	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	1404	q31_t * pState,
<>	129:0ab6a29f35bf	1405	int8_t postShift);
<>	129:0ab6a29f35bf	1406
<>	129:0ab6a29f35bf	1407	/**
<>	129:0ab6a29f35bf	1408	* @brief Processing function for the floating-point Biquad cascade filter.
<>	129:0ab6a29f35bf	1409	* @param[in] *S points to an instance of the floating-point Biquad cascade structure.
<>	129:0ab6a29f35bf	1410	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	1411	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	1412	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	1413	* @return none.
<>	129:0ab6a29f35bf	1414	*/
<>	129:0ab6a29f35bf	1415
<>	129:0ab6a29f35bf	1416	void arm_biquad_cascade_df1_f32(
<>	129:0ab6a29f35bf	1417	const arm_biquad_casd_df1_inst_f32 * S,
<>	129:0ab6a29f35bf	1418	float32_t * pSrc,
<>	129:0ab6a29f35bf	1419	float32_t * pDst,
<>	129:0ab6a29f35bf	1420	uint32_t blockSize);
<>	129:0ab6a29f35bf	1421
<>	129:0ab6a29f35bf	1422	/**
<>	129:0ab6a29f35bf	1423	* @brief Initialization function for the floating-point Biquad cascade filter.
<>	129:0ab6a29f35bf	1424	* @param[in,out] *S points to an instance of the floating-point Biquad cascade structure.
<>	129:0ab6a29f35bf	1425	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	1426	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	1427	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	1428	* @return none
<>	129:0ab6a29f35bf	1429	*/
<>	129:0ab6a29f35bf	1430
<>	129:0ab6a29f35bf	1431	void arm_biquad_cascade_df1_init_f32(
<>	129:0ab6a29f35bf	1432	arm_biquad_casd_df1_inst_f32 * S,
<>	129:0ab6a29f35bf	1433	uint8_t numStages,
<>	129:0ab6a29f35bf	1434	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	1435	float32_t * pState);
<>	129:0ab6a29f35bf	1436
<>	129:0ab6a29f35bf	1437
<>	129:0ab6a29f35bf	1438	/**
<>	129:0ab6a29f35bf	1439	* @brief Instance structure for the floating-point matrix structure.
<>	129:0ab6a29f35bf	1440	*/
<>	129:0ab6a29f35bf	1441
<>	129:0ab6a29f35bf	1442	typedef struct
<>	129:0ab6a29f35bf	1443	{
<>	129:0ab6a29f35bf	1444	uint16_t numRows; /*< number of rows of the matrix. /
<>	129:0ab6a29f35bf	1445	uint16_t numCols; /*< number of columns of the matrix. /
<>	129:0ab6a29f35bf	1446	float32_t pData; /< points to the data of the matrix. /
<>	129:0ab6a29f35bf	1447	} arm_matrix_instance_f32;
<>	129:0ab6a29f35bf	1448
<>	129:0ab6a29f35bf	1449
<>	129:0ab6a29f35bf	1450	/**
<>	129:0ab6a29f35bf	1451	* @brief Instance structure for the floating-point matrix structure.
<>	129:0ab6a29f35bf	1452	*/
<>	129:0ab6a29f35bf	1453
<>	129:0ab6a29f35bf	1454	typedef struct
<>	129:0ab6a29f35bf	1455	{
<>	129:0ab6a29f35bf	1456	uint16_t numRows; /*< number of rows of the matrix. /
<>	129:0ab6a29f35bf	1457	uint16_t numCols; /*< number of columns of the matrix. /
<>	129:0ab6a29f35bf	1458	float64_t pData; /< points to the data of the matrix. /
<>	129:0ab6a29f35bf	1459	} arm_matrix_instance_f64;
<>	129:0ab6a29f35bf	1460
<>	129:0ab6a29f35bf	1461	/**
<>	129:0ab6a29f35bf	1462	* @brief Instance structure for the Q15 matrix structure.
<>	129:0ab6a29f35bf	1463	*/
<>	129:0ab6a29f35bf	1464
<>	129:0ab6a29f35bf	1465	typedef struct
<>	129:0ab6a29f35bf	1466	{
<>	129:0ab6a29f35bf	1467	uint16_t numRows; /*< number of rows of the matrix. /
<>	129:0ab6a29f35bf	1468	uint16_t numCols; /*< number of columns of the matrix. /
<>	129:0ab6a29f35bf	1469	q15_t pData; /< points to the data of the matrix. /
<>	129:0ab6a29f35bf	1470
<>	129:0ab6a29f35bf	1471	} arm_matrix_instance_q15;
<>	129:0ab6a29f35bf	1472
<>	129:0ab6a29f35bf	1473	/**
<>	129:0ab6a29f35bf	1474	* @brief Instance structure for the Q31 matrix structure.
<>	129:0ab6a29f35bf	1475	*/
<>	129:0ab6a29f35bf	1476
<>	129:0ab6a29f35bf	1477	typedef struct
<>	129:0ab6a29f35bf	1478	{
<>	129:0ab6a29f35bf	1479	uint16_t numRows; /*< number of rows of the matrix. /
<>	129:0ab6a29f35bf	1480	uint16_t numCols; /*< number of columns of the matrix. /
<>	129:0ab6a29f35bf	1481	q31_t pData; /< points to the data of the matrix. /
<>	129:0ab6a29f35bf	1482
<>	129:0ab6a29f35bf	1483	} arm_matrix_instance_q31;
<>	129:0ab6a29f35bf	1484
<>	129:0ab6a29f35bf	1485
<>	129:0ab6a29f35bf	1486
<>	129:0ab6a29f35bf	1487	/**
<>	129:0ab6a29f35bf	1488	* @brief Floating-point matrix addition.
<>	129:0ab6a29f35bf	1489	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1490	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1491	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1492	* @return The function returns either
<>	129:0ab6a29f35bf	1493	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1494	*/
<>	129:0ab6a29f35bf	1495
<>	129:0ab6a29f35bf	1496	arm_status arm_mat_add_f32(
<>	129:0ab6a29f35bf	1497	const arm_matrix_instance_f32 * pSrcA,
<>	129:0ab6a29f35bf	1498	const arm_matrix_instance_f32 * pSrcB,
<>	129:0ab6a29f35bf	1499	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1500
<>	129:0ab6a29f35bf	1501	/**
<>	129:0ab6a29f35bf	1502	* @brief Q15 matrix addition.
<>	129:0ab6a29f35bf	1503	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1504	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1505	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1506	* @return The function returns either
<>	129:0ab6a29f35bf	1507	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1508	*/
<>	129:0ab6a29f35bf	1509
<>	129:0ab6a29f35bf	1510	arm_status arm_mat_add_q15(
<>	129:0ab6a29f35bf	1511	const arm_matrix_instance_q15 * pSrcA,
<>	129:0ab6a29f35bf	1512	const arm_matrix_instance_q15 * pSrcB,
<>	129:0ab6a29f35bf	1513	arm_matrix_instance_q15 * pDst);
<>	129:0ab6a29f35bf	1514
<>	129:0ab6a29f35bf	1515	/**
<>	129:0ab6a29f35bf	1516	* @brief Q31 matrix addition.
<>	129:0ab6a29f35bf	1517	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1518	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1519	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1520	* @return The function returns either
<>	129:0ab6a29f35bf	1521	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1522	*/
<>	129:0ab6a29f35bf	1523
<>	129:0ab6a29f35bf	1524	arm_status arm_mat_add_q31(
<>	129:0ab6a29f35bf	1525	const arm_matrix_instance_q31 * pSrcA,
<>	129:0ab6a29f35bf	1526	const arm_matrix_instance_q31 * pSrcB,
<>	129:0ab6a29f35bf	1527	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1528
<>	129:0ab6a29f35bf	1529	/**
<>	129:0ab6a29f35bf	1530	* @brief Floating-point, complex, matrix multiplication.
<>	129:0ab6a29f35bf	1531	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1532	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1533	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1534	* @return The function returns either
<>	129:0ab6a29f35bf	1535	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1536	*/
<>	129:0ab6a29f35bf	1537
<>	129:0ab6a29f35bf	1538	arm_status arm_mat_cmplx_mult_f32(
<>	129:0ab6a29f35bf	1539	const arm_matrix_instance_f32 * pSrcA,
<>	129:0ab6a29f35bf	1540	const arm_matrix_instance_f32 * pSrcB,
<>	129:0ab6a29f35bf	1541	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1542
<>	129:0ab6a29f35bf	1543	/**
<>	129:0ab6a29f35bf	1544	* @brief Q15, complex, matrix multiplication.
<>	129:0ab6a29f35bf	1545	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1546	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1547	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1548	* @return The function returns either
<>	129:0ab6a29f35bf	1549	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1550	*/
<>	129:0ab6a29f35bf	1551
<>	129:0ab6a29f35bf	1552	arm_status arm_mat_cmplx_mult_q15(
<>	129:0ab6a29f35bf	1553	const arm_matrix_instance_q15 * pSrcA,
<>	129:0ab6a29f35bf	1554	const arm_matrix_instance_q15 * pSrcB,
<>	129:0ab6a29f35bf	1555	arm_matrix_instance_q15 * pDst,
<>	129:0ab6a29f35bf	1556	q15_t * pScratch);
<>	129:0ab6a29f35bf	1557
<>	129:0ab6a29f35bf	1558	/**
<>	129:0ab6a29f35bf	1559	* @brief Q31, complex, matrix multiplication.
<>	129:0ab6a29f35bf	1560	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1561	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1562	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1563	* @return The function returns either
<>	129:0ab6a29f35bf	1564	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1565	*/
<>	129:0ab6a29f35bf	1566
<>	129:0ab6a29f35bf	1567	arm_status arm_mat_cmplx_mult_q31(
<>	129:0ab6a29f35bf	1568	const arm_matrix_instance_q31 * pSrcA,
<>	129:0ab6a29f35bf	1569	const arm_matrix_instance_q31 * pSrcB,
<>	129:0ab6a29f35bf	1570	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1571
<>	129:0ab6a29f35bf	1572
<>	129:0ab6a29f35bf	1573	/**
<>	129:0ab6a29f35bf	1574	* @brief Floating-point matrix transpose.
<>	129:0ab6a29f35bf	1575	* @param[in] *pSrc points to the input matrix
<>	129:0ab6a29f35bf	1576	* @param[out] *pDst points to the output matrix
<>	129:0ab6a29f35bf	1577	* @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
<>	129:0ab6a29f35bf	1578	* or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1579	*/
<>	129:0ab6a29f35bf	1580
<>	129:0ab6a29f35bf	1581	arm_status arm_mat_trans_f32(
<>	129:0ab6a29f35bf	1582	const arm_matrix_instance_f32 * pSrc,
<>	129:0ab6a29f35bf	1583	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1584
<>	129:0ab6a29f35bf	1585
<>	129:0ab6a29f35bf	1586	/**
<>	129:0ab6a29f35bf	1587	* @brief Q15 matrix transpose.
<>	129:0ab6a29f35bf	1588	* @param[in] *pSrc points to the input matrix
<>	129:0ab6a29f35bf	1589	* @param[out] *pDst points to the output matrix
<>	129:0ab6a29f35bf	1590	* @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
<>	129:0ab6a29f35bf	1591	* or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1592	*/
<>	129:0ab6a29f35bf	1593
<>	129:0ab6a29f35bf	1594	arm_status arm_mat_trans_q15(
<>	129:0ab6a29f35bf	1595	const arm_matrix_instance_q15 * pSrc,
<>	129:0ab6a29f35bf	1596	arm_matrix_instance_q15 * pDst);
<>	129:0ab6a29f35bf	1597
<>	129:0ab6a29f35bf	1598	/**
<>	129:0ab6a29f35bf	1599	* @brief Q31 matrix transpose.
<>	129:0ab6a29f35bf	1600	* @param[in] *pSrc points to the input matrix
<>	129:0ab6a29f35bf	1601	* @param[out] *pDst points to the output matrix
<>	129:0ab6a29f35bf	1602	* @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
<>	129:0ab6a29f35bf	1603	* or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1604	*/
<>	129:0ab6a29f35bf	1605
<>	129:0ab6a29f35bf	1606	arm_status arm_mat_trans_q31(
<>	129:0ab6a29f35bf	1607	const arm_matrix_instance_q31 * pSrc,
<>	129:0ab6a29f35bf	1608	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1609
<>	129:0ab6a29f35bf	1610
<>	129:0ab6a29f35bf	1611	/**
<>	129:0ab6a29f35bf	1612	* @brief Floating-point matrix multiplication
<>	129:0ab6a29f35bf	1613	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1614	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1615	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1616	* @return The function returns either
<>	129:0ab6a29f35bf	1617	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1618	*/
<>	129:0ab6a29f35bf	1619
<>	129:0ab6a29f35bf	1620	arm_status arm_mat_mult_f32(
<>	129:0ab6a29f35bf	1621	const arm_matrix_instance_f32 * pSrcA,
<>	129:0ab6a29f35bf	1622	const arm_matrix_instance_f32 * pSrcB,
<>	129:0ab6a29f35bf	1623	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1624
<>	129:0ab6a29f35bf	1625	/**
<>	129:0ab6a29f35bf	1626	* @brief Q15 matrix multiplication
<>	129:0ab6a29f35bf	1627	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1628	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1629	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1630	* @param[in] *pState points to the array for storing intermediate results
<>	129:0ab6a29f35bf	1631	* @return The function returns either
<>	129:0ab6a29f35bf	1632	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1633	*/
<>	129:0ab6a29f35bf	1634
<>	129:0ab6a29f35bf	1635	arm_status arm_mat_mult_q15(
<>	129:0ab6a29f35bf	1636	const arm_matrix_instance_q15 * pSrcA,
<>	129:0ab6a29f35bf	1637	const arm_matrix_instance_q15 * pSrcB,
<>	129:0ab6a29f35bf	1638	arm_matrix_instance_q15 * pDst,
<>	129:0ab6a29f35bf	1639	q15_t * pState);
<>	129:0ab6a29f35bf	1640
<>	129:0ab6a29f35bf	1641	/**
<>	129:0ab6a29f35bf	1642	* @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	1643	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1644	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1645	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1646	* @param[in] *pState points to the array for storing intermediate results
<>	129:0ab6a29f35bf	1647	* @return The function returns either
<>	129:0ab6a29f35bf	1648	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1649	*/
<>	129:0ab6a29f35bf	1650
<>	129:0ab6a29f35bf	1651	arm_status arm_mat_mult_fast_q15(
<>	129:0ab6a29f35bf	1652	const arm_matrix_instance_q15 * pSrcA,
<>	129:0ab6a29f35bf	1653	const arm_matrix_instance_q15 * pSrcB,
<>	129:0ab6a29f35bf	1654	arm_matrix_instance_q15 * pDst,
<>	129:0ab6a29f35bf	1655	q15_t * pState);
<>	129:0ab6a29f35bf	1656
<>	129:0ab6a29f35bf	1657	/**
<>	129:0ab6a29f35bf	1658	* @brief Q31 matrix multiplication
<>	129:0ab6a29f35bf	1659	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1660	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1661	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1662	* @return The function returns either
<>	129:0ab6a29f35bf	1663	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1664	*/
<>	129:0ab6a29f35bf	1665
<>	129:0ab6a29f35bf	1666	arm_status arm_mat_mult_q31(
<>	129:0ab6a29f35bf	1667	const arm_matrix_instance_q31 * pSrcA,
<>	129:0ab6a29f35bf	1668	const arm_matrix_instance_q31 * pSrcB,
<>	129:0ab6a29f35bf	1669	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1670
<>	129:0ab6a29f35bf	1671	/**
<>	129:0ab6a29f35bf	1672	* @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	1673	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1674	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1675	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1676	* @return The function returns either
<>	129:0ab6a29f35bf	1677	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1678	*/
<>	129:0ab6a29f35bf	1679
<>	129:0ab6a29f35bf	1680	arm_status arm_mat_mult_fast_q31(
<>	129:0ab6a29f35bf	1681	const arm_matrix_instance_q31 * pSrcA,
<>	129:0ab6a29f35bf	1682	const arm_matrix_instance_q31 * pSrcB,
<>	129:0ab6a29f35bf	1683	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1684
<>	129:0ab6a29f35bf	1685
<>	129:0ab6a29f35bf	1686	/**
<>	129:0ab6a29f35bf	1687	* @brief Floating-point matrix subtraction
<>	129:0ab6a29f35bf	1688	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1689	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1690	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1691	* @return The function returns either
<>	129:0ab6a29f35bf	1692	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1693	*/
<>	129:0ab6a29f35bf	1694
<>	129:0ab6a29f35bf	1695	arm_status arm_mat_sub_f32(
<>	129:0ab6a29f35bf	1696	const arm_matrix_instance_f32 * pSrcA,
<>	129:0ab6a29f35bf	1697	const arm_matrix_instance_f32 * pSrcB,
<>	129:0ab6a29f35bf	1698	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1699
<>	129:0ab6a29f35bf	1700	/**
<>	129:0ab6a29f35bf	1701	* @brief Q15 matrix subtraction
<>	129:0ab6a29f35bf	1702	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1703	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1704	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1705	* @return The function returns either
<>	129:0ab6a29f35bf	1706	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1707	*/
<>	129:0ab6a29f35bf	1708
<>	129:0ab6a29f35bf	1709	arm_status arm_mat_sub_q15(
<>	129:0ab6a29f35bf	1710	const arm_matrix_instance_q15 * pSrcA,
<>	129:0ab6a29f35bf	1711	const arm_matrix_instance_q15 * pSrcB,
<>	129:0ab6a29f35bf	1712	arm_matrix_instance_q15 * pDst);
<>	129:0ab6a29f35bf	1713
<>	129:0ab6a29f35bf	1714	/**
<>	129:0ab6a29f35bf	1715	* @brief Q31 matrix subtraction
<>	129:0ab6a29f35bf	1716	* @param[in] *pSrcA points to the first input matrix structure
<>	129:0ab6a29f35bf	1717	* @param[in] *pSrcB points to the second input matrix structure
<>	129:0ab6a29f35bf	1718	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1719	* @return The function returns either
<>	129:0ab6a29f35bf	1720	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1721	*/
<>	129:0ab6a29f35bf	1722
<>	129:0ab6a29f35bf	1723	arm_status arm_mat_sub_q31(
<>	129:0ab6a29f35bf	1724	const arm_matrix_instance_q31 * pSrcA,
<>	129:0ab6a29f35bf	1725	const arm_matrix_instance_q31 * pSrcB,
<>	129:0ab6a29f35bf	1726	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1727
<>	129:0ab6a29f35bf	1728	/**
<>	129:0ab6a29f35bf	1729	* @brief Floating-point matrix scaling.
<>	129:0ab6a29f35bf	1730	* @param[in] *pSrc points to the input matrix
<>	129:0ab6a29f35bf	1731	* @param[in] scale scale factor
<>	129:0ab6a29f35bf	1732	* @param[out] *pDst points to the output matrix
<>	129:0ab6a29f35bf	1733	* @return The function returns either
<>	129:0ab6a29f35bf	1734	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1735	*/
<>	129:0ab6a29f35bf	1736
<>	129:0ab6a29f35bf	1737	arm_status arm_mat_scale_f32(
<>	129:0ab6a29f35bf	1738	const arm_matrix_instance_f32 * pSrc,
<>	129:0ab6a29f35bf	1739	float32_t scale,
<>	129:0ab6a29f35bf	1740	arm_matrix_instance_f32 * pDst);
<>	129:0ab6a29f35bf	1741
<>	129:0ab6a29f35bf	1742	/**
<>	129:0ab6a29f35bf	1743	* @brief Q15 matrix scaling.
<>	129:0ab6a29f35bf	1744	* @param[in] *pSrc points to input matrix
<>	129:0ab6a29f35bf	1745	* @param[in] scaleFract fractional portion of the scale factor
<>	129:0ab6a29f35bf	1746	* @param[in] shift number of bits to shift the result by
<>	129:0ab6a29f35bf	1747	* @param[out] *pDst points to output matrix
<>	129:0ab6a29f35bf	1748	* @return The function returns either
<>	129:0ab6a29f35bf	1749	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1750	*/
<>	129:0ab6a29f35bf	1751
<>	129:0ab6a29f35bf	1752	arm_status arm_mat_scale_q15(
<>	129:0ab6a29f35bf	1753	const arm_matrix_instance_q15 * pSrc,
<>	129:0ab6a29f35bf	1754	q15_t scaleFract,
<>	129:0ab6a29f35bf	1755	int32_t shift,
<>	129:0ab6a29f35bf	1756	arm_matrix_instance_q15 * pDst);
<>	129:0ab6a29f35bf	1757
<>	129:0ab6a29f35bf	1758	/**
<>	129:0ab6a29f35bf	1759	* @brief Q31 matrix scaling.
<>	129:0ab6a29f35bf	1760	* @param[in] *pSrc points to input matrix
<>	129:0ab6a29f35bf	1761	* @param[in] scaleFract fractional portion of the scale factor
<>	129:0ab6a29f35bf	1762	* @param[in] shift number of bits to shift the result by
<>	129:0ab6a29f35bf	1763	* @param[out] *pDst points to output matrix structure
<>	129:0ab6a29f35bf	1764	* @return The function returns either
<>	129:0ab6a29f35bf	1765	* <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
<>	129:0ab6a29f35bf	1766	*/
<>	129:0ab6a29f35bf	1767
<>	129:0ab6a29f35bf	1768	arm_status arm_mat_scale_q31(
<>	129:0ab6a29f35bf	1769	const arm_matrix_instance_q31 * pSrc,
<>	129:0ab6a29f35bf	1770	q31_t scaleFract,
<>	129:0ab6a29f35bf	1771	int32_t shift,
<>	129:0ab6a29f35bf	1772	arm_matrix_instance_q31 * pDst);
<>	129:0ab6a29f35bf	1773
<>	129:0ab6a29f35bf	1774
<>	129:0ab6a29f35bf	1775	/**
<>	129:0ab6a29f35bf	1776	* @brief Q31 matrix initialization.
<>	129:0ab6a29f35bf	1777	* @param[in,out] *S points to an instance of the floating-point matrix structure.
<>	129:0ab6a29f35bf	1778	* @param[in] nRows number of rows in the matrix.
<>	129:0ab6a29f35bf	1779	* @param[in] nColumns number of columns in the matrix.
<>	129:0ab6a29f35bf	1780	* @param[in] *pData points to the matrix data array.
<>	129:0ab6a29f35bf	1781	* @return none
<>	129:0ab6a29f35bf	1782	*/
<>	129:0ab6a29f35bf	1783
<>	129:0ab6a29f35bf	1784	void arm_mat_init_q31(
<>	129:0ab6a29f35bf	1785	arm_matrix_instance_q31 * S,
<>	129:0ab6a29f35bf	1786	uint16_t nRows,
<>	129:0ab6a29f35bf	1787	uint16_t nColumns,
<>	129:0ab6a29f35bf	1788	q31_t * pData);
<>	129:0ab6a29f35bf	1789
<>	129:0ab6a29f35bf	1790	/**
<>	129:0ab6a29f35bf	1791	* @brief Q15 matrix initialization.
<>	129:0ab6a29f35bf	1792	* @param[in,out] *S points to an instance of the floating-point matrix structure.
<>	129:0ab6a29f35bf	1793	* @param[in] nRows number of rows in the matrix.
<>	129:0ab6a29f35bf	1794	* @param[in] nColumns number of columns in the matrix.
<>	129:0ab6a29f35bf	1795	* @param[in] *pData points to the matrix data array.
<>	129:0ab6a29f35bf	1796	* @return none
<>	129:0ab6a29f35bf	1797	*/
<>	129:0ab6a29f35bf	1798
<>	129:0ab6a29f35bf	1799	void arm_mat_init_q15(
<>	129:0ab6a29f35bf	1800	arm_matrix_instance_q15 * S,
<>	129:0ab6a29f35bf	1801	uint16_t nRows,
<>	129:0ab6a29f35bf	1802	uint16_t nColumns,
<>	129:0ab6a29f35bf	1803	q15_t * pData);
<>	129:0ab6a29f35bf	1804
<>	129:0ab6a29f35bf	1805	/**
<>	129:0ab6a29f35bf	1806	* @brief Floating-point matrix initialization.
<>	129:0ab6a29f35bf	1807	* @param[in,out] *S points to an instance of the floating-point matrix structure.
<>	129:0ab6a29f35bf	1808	* @param[in] nRows number of rows in the matrix.
<>	129:0ab6a29f35bf	1809	* @param[in] nColumns number of columns in the matrix.
<>	129:0ab6a29f35bf	1810	* @param[in] *pData points to the matrix data array.
<>	129:0ab6a29f35bf	1811	* @return none
<>	129:0ab6a29f35bf	1812	*/
<>	129:0ab6a29f35bf	1813
<>	129:0ab6a29f35bf	1814	void arm_mat_init_f32(
<>	129:0ab6a29f35bf	1815	arm_matrix_instance_f32 * S,
<>	129:0ab6a29f35bf	1816	uint16_t nRows,
<>	129:0ab6a29f35bf	1817	uint16_t nColumns,
<>	129:0ab6a29f35bf	1818	float32_t * pData);
<>	129:0ab6a29f35bf	1819
<>	129:0ab6a29f35bf	1820
<>	129:0ab6a29f35bf	1821
<>	129:0ab6a29f35bf	1822	/**
<>	129:0ab6a29f35bf	1823	* @brief Instance structure for the Q15 PID Control.
<>	129:0ab6a29f35bf	1824	*/
<>	129:0ab6a29f35bf	1825	typedef struct
<>	129:0ab6a29f35bf	1826	{
<>	129:0ab6a29f35bf	1827	q15_t A0; /*< The derived gain, A0 = Kp + Ki + Kd . /
<>	129:0ab6a29f35bf	1828	#ifdef ARM_MATH_CM0_FAMILY
<>	129:0ab6a29f35bf	1829	q15_t A1;
<>	129:0ab6a29f35bf	1830	q15_t A2;
<>	129:0ab6a29f35bf	1831	#else
<>	129:0ab6a29f35bf	1832	q31_t A1; /*< The derived gain A1 = -Kp - 2Kd \| Kd./
<>	129:0ab6a29f35bf	1833	#endif
<>	129:0ab6a29f35bf	1834	q15_t state[3]; /*< The state array of length 3. /
<>	129:0ab6a29f35bf	1835	q15_t Kp; /*< The proportional gain. /
<>	129:0ab6a29f35bf	1836	q15_t Ki; /*< The integral gain. /
<>	129:0ab6a29f35bf	1837	q15_t Kd; /*< The derivative gain. /
<>	129:0ab6a29f35bf	1838	} arm_pid_instance_q15;
<>	129:0ab6a29f35bf	1839
<>	129:0ab6a29f35bf	1840	/**
<>	129:0ab6a29f35bf	1841	* @brief Instance structure for the Q31 PID Control.
<>	129:0ab6a29f35bf	1842	*/
<>	129:0ab6a29f35bf	1843	typedef struct
<>	129:0ab6a29f35bf	1844	{
<>	129:0ab6a29f35bf	1845	q31_t A0; /*< The derived gain, A0 = Kp + Ki + Kd . /
<>	129:0ab6a29f35bf	1846	q31_t A1; /*< The derived gain, A1 = -Kp - 2Kd. /
<>	129:0ab6a29f35bf	1847	q31_t A2; /*< The derived gain, A2 = Kd . /
<>	129:0ab6a29f35bf	1848	q31_t state[3]; /*< The state array of length 3. /
<>	129:0ab6a29f35bf	1849	q31_t Kp; /*< The proportional gain. /
<>	129:0ab6a29f35bf	1850	q31_t Ki; /*< The integral gain. /
<>	129:0ab6a29f35bf	1851	q31_t Kd; /*< The derivative gain. /
<>	129:0ab6a29f35bf	1852
<>	129:0ab6a29f35bf	1853	} arm_pid_instance_q31;
<>	129:0ab6a29f35bf	1854
<>	129:0ab6a29f35bf	1855	/**
<>	129:0ab6a29f35bf	1856	* @brief Instance structure for the floating-point PID Control.
<>	129:0ab6a29f35bf	1857	*/
<>	129:0ab6a29f35bf	1858	typedef struct
<>	129:0ab6a29f35bf	1859	{
<>	129:0ab6a29f35bf	1860	float32_t A0; /*< The derived gain, A0 = Kp + Ki + Kd . /
<>	129:0ab6a29f35bf	1861	float32_t A1; /*< The derived gain, A1 = -Kp - 2Kd. /
<>	129:0ab6a29f35bf	1862	float32_t A2; /*< The derived gain, A2 = Kd . /
<>	129:0ab6a29f35bf	1863	float32_t state[3]; /*< The state array of length 3. /
<>	129:0ab6a29f35bf	1864	float32_t Kp; /*< The proportional gain. /
<>	129:0ab6a29f35bf	1865	float32_t Ki; /*< The integral gain. /
<>	129:0ab6a29f35bf	1866	float32_t Kd; /*< The derivative gain. /
<>	129:0ab6a29f35bf	1867	} arm_pid_instance_f32;
<>	129:0ab6a29f35bf	1868
<>	129:0ab6a29f35bf	1869
<>	129:0ab6a29f35bf	1870
<>	129:0ab6a29f35bf	1871	/**
<>	129:0ab6a29f35bf	1872	* @brief Initialization function for the floating-point PID Control.
<>	129:0ab6a29f35bf	1873	* @param[in,out] *S points to an instance of the PID structure.
<>	129:0ab6a29f35bf	1874	* @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
<>	129:0ab6a29f35bf	1875	* @return none.
<>	129:0ab6a29f35bf	1876	*/
<>	129:0ab6a29f35bf	1877	void arm_pid_init_f32(
<>	129:0ab6a29f35bf	1878	arm_pid_instance_f32 * S,
<>	129:0ab6a29f35bf	1879	int32_t resetStateFlag);
<>	129:0ab6a29f35bf	1880
<>	129:0ab6a29f35bf	1881	/**
<>	129:0ab6a29f35bf	1882	* @brief Reset function for the floating-point PID Control.
<>	129:0ab6a29f35bf	1883	* @param[in,out] *S is an instance of the floating-point PID Control structure
<>	129:0ab6a29f35bf	1884	* @return none
<>	129:0ab6a29f35bf	1885	*/
<>	129:0ab6a29f35bf	1886	void arm_pid_reset_f32(
<>	129:0ab6a29f35bf	1887	arm_pid_instance_f32 * S);
<>	129:0ab6a29f35bf	1888
<>	129:0ab6a29f35bf	1889
<>	129:0ab6a29f35bf	1890	/**
<>	129:0ab6a29f35bf	1891	* @brief Initialization function for the Q31 PID Control.
<>	129:0ab6a29f35bf	1892	* @param[in,out] *S points to an instance of the Q15 PID structure.
<>	129:0ab6a29f35bf	1893	* @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
<>	129:0ab6a29f35bf	1894	* @return none.
<>	129:0ab6a29f35bf	1895	*/
<>	129:0ab6a29f35bf	1896	void arm_pid_init_q31(
<>	129:0ab6a29f35bf	1897	arm_pid_instance_q31 * S,
<>	129:0ab6a29f35bf	1898	int32_t resetStateFlag);
<>	129:0ab6a29f35bf	1899
<>	129:0ab6a29f35bf	1900
<>	129:0ab6a29f35bf	1901	/**
<>	129:0ab6a29f35bf	1902	* @brief Reset function for the Q31 PID Control.
<>	129:0ab6a29f35bf	1903	* @param[in,out] *S points to an instance of the Q31 PID Control structure
<>	129:0ab6a29f35bf	1904	* @return none
<>	129:0ab6a29f35bf	1905	*/
<>	129:0ab6a29f35bf	1906
<>	129:0ab6a29f35bf	1907	void arm_pid_reset_q31(
<>	129:0ab6a29f35bf	1908	arm_pid_instance_q31 * S);
<>	129:0ab6a29f35bf	1909
<>	129:0ab6a29f35bf	1910	/**
<>	129:0ab6a29f35bf	1911	* @brief Initialization function for the Q15 PID Control.
<>	129:0ab6a29f35bf	1912	* @param[in,out] *S points to an instance of the Q15 PID structure.
<>	129:0ab6a29f35bf	1913	* @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
<>	129:0ab6a29f35bf	1914	* @return none.
<>	129:0ab6a29f35bf	1915	*/
<>	129:0ab6a29f35bf	1916	void arm_pid_init_q15(
<>	129:0ab6a29f35bf	1917	arm_pid_instance_q15 * S,
<>	129:0ab6a29f35bf	1918	int32_t resetStateFlag);
<>	129:0ab6a29f35bf	1919
<>	129:0ab6a29f35bf	1920	/**
<>	129:0ab6a29f35bf	1921	* @brief Reset function for the Q15 PID Control.
<>	129:0ab6a29f35bf	1922	* @param[in,out] *S points to an instance of the q15 PID Control structure
<>	129:0ab6a29f35bf	1923	* @return none
<>	129:0ab6a29f35bf	1924	*/
<>	129:0ab6a29f35bf	1925	void arm_pid_reset_q15(
<>	129:0ab6a29f35bf	1926	arm_pid_instance_q15 * S);
<>	129:0ab6a29f35bf	1927
<>	129:0ab6a29f35bf	1928
<>	129:0ab6a29f35bf	1929	/**
<>	129:0ab6a29f35bf	1930	* @brief Instance structure for the floating-point Linear Interpolate function.
<>	129:0ab6a29f35bf	1931	*/
<>	129:0ab6a29f35bf	1932	typedef struct
<>	129:0ab6a29f35bf	1933	{
<>	129:0ab6a29f35bf	1934	uint32_t nValues; /*< nValues /
<>	129:0ab6a29f35bf	1935	float32_t x1; /*< x1 /
<>	129:0ab6a29f35bf	1936	float32_t xSpacing; /*< xSpacing /
<>	129:0ab6a29f35bf	1937	float32_t pYData; /< pointer to the table of Y values /
<>	129:0ab6a29f35bf	1938	} arm_linear_interp_instance_f32;
<>	129:0ab6a29f35bf	1939
<>	129:0ab6a29f35bf	1940	/**
<>	129:0ab6a29f35bf	1941	* @brief Instance structure for the floating-point bilinear interpolation function.
<>	129:0ab6a29f35bf	1942	*/
<>	129:0ab6a29f35bf	1943
<>	129:0ab6a29f35bf	1944	typedef struct
<>	129:0ab6a29f35bf	1945	{
<>	129:0ab6a29f35bf	1946	uint16_t numRows; /*< number of rows in the data table. /
<>	129:0ab6a29f35bf	1947	uint16_t numCols; /*< number of columns in the data table. /
<>	129:0ab6a29f35bf	1948	float32_t pData; /< points to the data table. /
<>	129:0ab6a29f35bf	1949	} arm_bilinear_interp_instance_f32;
<>	129:0ab6a29f35bf	1950
<>	129:0ab6a29f35bf	1951	/**
<>	129:0ab6a29f35bf	1952	* @brief Instance structure for the Q31 bilinear interpolation function.
<>	129:0ab6a29f35bf	1953	*/
<>	129:0ab6a29f35bf	1954
<>	129:0ab6a29f35bf	1955	typedef struct
<>	129:0ab6a29f35bf	1956	{
<>	129:0ab6a29f35bf	1957	uint16_t numRows; /*< number of rows in the data table. /
<>	129:0ab6a29f35bf	1958	uint16_t numCols; /*< number of columns in the data table. /
<>	129:0ab6a29f35bf	1959	q31_t pData; /< points to the data table. /
<>	129:0ab6a29f35bf	1960	} arm_bilinear_interp_instance_q31;
<>	129:0ab6a29f35bf	1961
<>	129:0ab6a29f35bf	1962	/**
<>	129:0ab6a29f35bf	1963	* @brief Instance structure for the Q15 bilinear interpolation function.
<>	129:0ab6a29f35bf	1964	*/
<>	129:0ab6a29f35bf	1965
<>	129:0ab6a29f35bf	1966	typedef struct
<>	129:0ab6a29f35bf	1967	{
<>	129:0ab6a29f35bf	1968	uint16_t numRows; /*< number of rows in the data table. /
<>	129:0ab6a29f35bf	1969	uint16_t numCols; /*< number of columns in the data table. /
<>	129:0ab6a29f35bf	1970	q15_t pData; /< points to the data table. /
<>	129:0ab6a29f35bf	1971	} arm_bilinear_interp_instance_q15;
<>	129:0ab6a29f35bf	1972
<>	129:0ab6a29f35bf	1973	/**
<>	129:0ab6a29f35bf	1974	* @brief Instance structure for the Q15 bilinear interpolation function.
<>	129:0ab6a29f35bf	1975	*/
<>	129:0ab6a29f35bf	1976
<>	129:0ab6a29f35bf	1977	typedef struct
<>	129:0ab6a29f35bf	1978	{
<>	129:0ab6a29f35bf	1979	uint16_t numRows; /*< number of rows in the data table. /
<>	129:0ab6a29f35bf	1980	uint16_t numCols; /*< number of columns in the data table. /
<>	129:0ab6a29f35bf	1981	q7_t pData; /< points to the data table. /
<>	129:0ab6a29f35bf	1982	} arm_bilinear_interp_instance_q7;
<>	129:0ab6a29f35bf	1983
<>	129:0ab6a29f35bf	1984
<>	129:0ab6a29f35bf	1985	/**
<>	129:0ab6a29f35bf	1986	* @brief Q7 vector multiplication.
<>	129:0ab6a29f35bf	1987	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	1988	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	1989	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	1990	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	1991	* @return none.
<>	129:0ab6a29f35bf	1992	*/
<>	129:0ab6a29f35bf	1993
<>	129:0ab6a29f35bf	1994	void arm_mult_q7(
<>	129:0ab6a29f35bf	1995	q7_t * pSrcA,
<>	129:0ab6a29f35bf	1996	q7_t * pSrcB,
<>	129:0ab6a29f35bf	1997	q7_t * pDst,
<>	129:0ab6a29f35bf	1998	uint32_t blockSize);
<>	129:0ab6a29f35bf	1999
<>	129:0ab6a29f35bf	2000	/**
<>	129:0ab6a29f35bf	2001	* @brief Q15 vector multiplication.
<>	129:0ab6a29f35bf	2002	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2003	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2004	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2005	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2006	* @return none.
<>	129:0ab6a29f35bf	2007	*/
<>	129:0ab6a29f35bf	2008
<>	129:0ab6a29f35bf	2009	void arm_mult_q15(
<>	129:0ab6a29f35bf	2010	q15_t * pSrcA,
<>	129:0ab6a29f35bf	2011	q15_t * pSrcB,
<>	129:0ab6a29f35bf	2012	q15_t * pDst,
<>	129:0ab6a29f35bf	2013	uint32_t blockSize);
<>	129:0ab6a29f35bf	2014
<>	129:0ab6a29f35bf	2015	/**
<>	129:0ab6a29f35bf	2016	* @brief Q31 vector multiplication.
<>	129:0ab6a29f35bf	2017	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2018	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2019	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2020	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2021	* @return none.
<>	129:0ab6a29f35bf	2022	*/
<>	129:0ab6a29f35bf	2023
<>	129:0ab6a29f35bf	2024	void arm_mult_q31(
<>	129:0ab6a29f35bf	2025	q31_t * pSrcA,
<>	129:0ab6a29f35bf	2026	q31_t * pSrcB,
<>	129:0ab6a29f35bf	2027	q31_t * pDst,
<>	129:0ab6a29f35bf	2028	uint32_t blockSize);
<>	129:0ab6a29f35bf	2029
<>	129:0ab6a29f35bf	2030	/**
<>	129:0ab6a29f35bf	2031	* @brief Floating-point vector multiplication.
<>	129:0ab6a29f35bf	2032	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2033	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2034	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2035	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2036	* @return none.
<>	129:0ab6a29f35bf	2037	*/
<>	129:0ab6a29f35bf	2038
<>	129:0ab6a29f35bf	2039	void arm_mult_f32(
<>	129:0ab6a29f35bf	2040	float32_t * pSrcA,
<>	129:0ab6a29f35bf	2041	float32_t * pSrcB,
<>	129:0ab6a29f35bf	2042	float32_t * pDst,
<>	129:0ab6a29f35bf	2043	uint32_t blockSize);
<>	129:0ab6a29f35bf	2044
<>	129:0ab6a29f35bf	2045
<>	129:0ab6a29f35bf	2046
<>	129:0ab6a29f35bf	2047
<>	129:0ab6a29f35bf	2048
<>	129:0ab6a29f35bf	2049
<>	129:0ab6a29f35bf	2050	/**
<>	129:0ab6a29f35bf	2051	* @brief Instance structure for the Q15 CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2052	*/
<>	129:0ab6a29f35bf	2053
<>	129:0ab6a29f35bf	2054	typedef struct
<>	129:0ab6a29f35bf	2055	{
<>	129:0ab6a29f35bf	2056	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2057	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2058	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2059	q15_t pTwiddle; /< points to the Sin twiddle factor table. /
<>	129:0ab6a29f35bf	2060	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2061	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2062	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2063	} arm_cfft_radix2_instance_q15;
<>	129:0ab6a29f35bf	2064
<>	129:0ab6a29f35bf	2065	/* Deprecated */
<>	129:0ab6a29f35bf	2066	arm_status arm_cfft_radix2_init_q15(
<>	129:0ab6a29f35bf	2067	arm_cfft_radix2_instance_q15 * S,
<>	129:0ab6a29f35bf	2068	uint16_t fftLen,
<>	129:0ab6a29f35bf	2069	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2070	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2071
<>	129:0ab6a29f35bf	2072	/* Deprecated */
<>	129:0ab6a29f35bf	2073	void arm_cfft_radix2_q15(
<>	129:0ab6a29f35bf	2074	const arm_cfft_radix2_instance_q15 * S,
<>	129:0ab6a29f35bf	2075	q15_t * pSrc);
<>	129:0ab6a29f35bf	2076
<>	129:0ab6a29f35bf	2077
<>	129:0ab6a29f35bf	2078
<>	129:0ab6a29f35bf	2079	/**
<>	129:0ab6a29f35bf	2080	* @brief Instance structure for the Q15 CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2081	*/
<>	129:0ab6a29f35bf	2082
<>	129:0ab6a29f35bf	2083	typedef struct
<>	129:0ab6a29f35bf	2084	{
<>	129:0ab6a29f35bf	2085	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2086	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2087	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2088	q15_t pTwiddle; /< points to the twiddle factor table. /
<>	129:0ab6a29f35bf	2089	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2090	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2091	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2092	} arm_cfft_radix4_instance_q15;
<>	129:0ab6a29f35bf	2093
<>	129:0ab6a29f35bf	2094	/* Deprecated */
<>	129:0ab6a29f35bf	2095	arm_status arm_cfft_radix4_init_q15(
<>	129:0ab6a29f35bf	2096	arm_cfft_radix4_instance_q15 * S,
<>	129:0ab6a29f35bf	2097	uint16_t fftLen,
<>	129:0ab6a29f35bf	2098	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2099	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2100
<>	129:0ab6a29f35bf	2101	/* Deprecated */
<>	129:0ab6a29f35bf	2102	void arm_cfft_radix4_q15(
<>	129:0ab6a29f35bf	2103	const arm_cfft_radix4_instance_q15 * S,
<>	129:0ab6a29f35bf	2104	q15_t * pSrc);
<>	129:0ab6a29f35bf	2105
<>	129:0ab6a29f35bf	2106	/**
<>	129:0ab6a29f35bf	2107	* @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2108	*/
<>	129:0ab6a29f35bf	2109
<>	129:0ab6a29f35bf	2110	typedef struct
<>	129:0ab6a29f35bf	2111	{
<>	129:0ab6a29f35bf	2112	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2113	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2114	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2115	q31_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2116	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2117	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2118	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2119	} arm_cfft_radix2_instance_q31;
<>	129:0ab6a29f35bf	2120
<>	129:0ab6a29f35bf	2121	/* Deprecated */
<>	129:0ab6a29f35bf	2122	arm_status arm_cfft_radix2_init_q31(
<>	129:0ab6a29f35bf	2123	arm_cfft_radix2_instance_q31 * S,
<>	129:0ab6a29f35bf	2124	uint16_t fftLen,
<>	129:0ab6a29f35bf	2125	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2126	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2127
<>	129:0ab6a29f35bf	2128	/* Deprecated */
<>	129:0ab6a29f35bf	2129	void arm_cfft_radix2_q31(
<>	129:0ab6a29f35bf	2130	const arm_cfft_radix2_instance_q31 * S,
<>	129:0ab6a29f35bf	2131	q31_t * pSrc);
<>	129:0ab6a29f35bf	2132
<>	129:0ab6a29f35bf	2133	/**
<>	129:0ab6a29f35bf	2134	* @brief Instance structure for the Q31 CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2135	*/
<>	129:0ab6a29f35bf	2136
<>	129:0ab6a29f35bf	2137	typedef struct
<>	129:0ab6a29f35bf	2138	{
<>	129:0ab6a29f35bf	2139	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2140	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2141	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2142	q31_t pTwiddle; /< points to the twiddle factor table. /
<>	129:0ab6a29f35bf	2143	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2144	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2145	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2146	} arm_cfft_radix4_instance_q31;
<>	129:0ab6a29f35bf	2147
<>	129:0ab6a29f35bf	2148	/* Deprecated */
<>	129:0ab6a29f35bf	2149	void arm_cfft_radix4_q31(
<>	129:0ab6a29f35bf	2150	const arm_cfft_radix4_instance_q31 * S,
<>	129:0ab6a29f35bf	2151	q31_t * pSrc);
<>	129:0ab6a29f35bf	2152
<>	129:0ab6a29f35bf	2153	/* Deprecated */
<>	129:0ab6a29f35bf	2154	arm_status arm_cfft_radix4_init_q31(
<>	129:0ab6a29f35bf	2155	arm_cfft_radix4_instance_q31 * S,
<>	129:0ab6a29f35bf	2156	uint16_t fftLen,
<>	129:0ab6a29f35bf	2157	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2158	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2159
<>	129:0ab6a29f35bf	2160	/**
<>	129:0ab6a29f35bf	2161	* @brief Instance structure for the floating-point CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2162	*/
<>	129:0ab6a29f35bf	2163
<>	129:0ab6a29f35bf	2164	typedef struct
<>	129:0ab6a29f35bf	2165	{
<>	129:0ab6a29f35bf	2166	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2167	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2168	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2169	float32_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2170	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2171	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2172	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2173	float32_t onebyfftLen; /*< value of 1/fftLen. /
<>	129:0ab6a29f35bf	2174	} arm_cfft_radix2_instance_f32;
<>	129:0ab6a29f35bf	2175
<>	129:0ab6a29f35bf	2176	/* Deprecated */
<>	129:0ab6a29f35bf	2177	arm_status arm_cfft_radix2_init_f32(
<>	129:0ab6a29f35bf	2178	arm_cfft_radix2_instance_f32 * S,
<>	129:0ab6a29f35bf	2179	uint16_t fftLen,
<>	129:0ab6a29f35bf	2180	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2181	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2182
<>	129:0ab6a29f35bf	2183	/* Deprecated */
<>	129:0ab6a29f35bf	2184	void arm_cfft_radix2_f32(
<>	129:0ab6a29f35bf	2185	const arm_cfft_radix2_instance_f32 * S,
<>	129:0ab6a29f35bf	2186	float32_t * pSrc);
<>	129:0ab6a29f35bf	2187
<>	129:0ab6a29f35bf	2188	/**
<>	129:0ab6a29f35bf	2189	* @brief Instance structure for the floating-point CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2190	*/
<>	129:0ab6a29f35bf	2191
<>	129:0ab6a29f35bf	2192	typedef struct
<>	129:0ab6a29f35bf	2193	{
<>	129:0ab6a29f35bf	2194	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2195	uint8_t ifftFlag; /*< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. /
<>	129:0ab6a29f35bf	2196	uint8_t bitReverseFlag; /*< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2197	float32_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2198	uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2199	uint16_t twidCoefModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2200	uint16_t bitRevFactor; /*< bit reversal modifier that supports different size FFTs with the same bit reversal table. /
<>	129:0ab6a29f35bf	2201	float32_t onebyfftLen; /*< value of 1/fftLen. /
<>	129:0ab6a29f35bf	2202	} arm_cfft_radix4_instance_f32;
<>	129:0ab6a29f35bf	2203
<>	129:0ab6a29f35bf	2204	/* Deprecated */
<>	129:0ab6a29f35bf	2205	arm_status arm_cfft_radix4_init_f32(
<>	129:0ab6a29f35bf	2206	arm_cfft_radix4_instance_f32 * S,
<>	129:0ab6a29f35bf	2207	uint16_t fftLen,
<>	129:0ab6a29f35bf	2208	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2209	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2210
<>	129:0ab6a29f35bf	2211	/* Deprecated */
<>	129:0ab6a29f35bf	2212	void arm_cfft_radix4_f32(
<>	129:0ab6a29f35bf	2213	const arm_cfft_radix4_instance_f32 * S,
<>	129:0ab6a29f35bf	2214	float32_t * pSrc);
<>	129:0ab6a29f35bf	2215
<>	129:0ab6a29f35bf	2216	/**
<>	129:0ab6a29f35bf	2217	* @brief Instance structure for the fixed-point CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2218	*/
<>	129:0ab6a29f35bf	2219
<>	129:0ab6a29f35bf	2220	typedef struct
<>	129:0ab6a29f35bf	2221	{
<>	129:0ab6a29f35bf	2222	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2223	const q15_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2224	const uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2225	uint16_t bitRevLength; /*< bit reversal table length. /
<>	129:0ab6a29f35bf	2226	} arm_cfft_instance_q15;
<>	129:0ab6a29f35bf	2227
<>	129:0ab6a29f35bf	2228	void arm_cfft_q15(
<>	129:0ab6a29f35bf	2229	const arm_cfft_instance_q15 * S,
<>	129:0ab6a29f35bf	2230	q15_t * p1,
<>	129:0ab6a29f35bf	2231	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2232	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2233
<>	129:0ab6a29f35bf	2234	/**
<>	129:0ab6a29f35bf	2235	* @brief Instance structure for the fixed-point CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2236	*/
<>	129:0ab6a29f35bf	2237
<>	129:0ab6a29f35bf	2238	typedef struct
<>	129:0ab6a29f35bf	2239	{
<>	129:0ab6a29f35bf	2240	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2241	const q31_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2242	const uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2243	uint16_t bitRevLength; /*< bit reversal table length. /
<>	129:0ab6a29f35bf	2244	} arm_cfft_instance_q31;
<>	129:0ab6a29f35bf	2245
<>	129:0ab6a29f35bf	2246	void arm_cfft_q31(
<>	129:0ab6a29f35bf	2247	const arm_cfft_instance_q31 * S,
<>	129:0ab6a29f35bf	2248	q31_t * p1,
<>	129:0ab6a29f35bf	2249	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2250	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2251
<>	129:0ab6a29f35bf	2252	/**
<>	129:0ab6a29f35bf	2253	* @brief Instance structure for the floating-point CFFT/CIFFT function.
<>	129:0ab6a29f35bf	2254	*/
<>	129:0ab6a29f35bf	2255
<>	129:0ab6a29f35bf	2256	typedef struct
<>	129:0ab6a29f35bf	2257	{
<>	129:0ab6a29f35bf	2258	uint16_t fftLen; /*< length of the FFT. /
<>	129:0ab6a29f35bf	2259	const float32_t pTwiddle; /< points to the Twiddle factor table. /
<>	129:0ab6a29f35bf	2260	const uint16_t pBitRevTable; /< points to the bit reversal table. /
<>	129:0ab6a29f35bf	2261	uint16_t bitRevLength; /*< bit reversal table length. /
<>	129:0ab6a29f35bf	2262	} arm_cfft_instance_f32;
<>	129:0ab6a29f35bf	2263
<>	129:0ab6a29f35bf	2264	void arm_cfft_f32(
<>	129:0ab6a29f35bf	2265	const arm_cfft_instance_f32 * S,
<>	129:0ab6a29f35bf	2266	float32_t * p1,
<>	129:0ab6a29f35bf	2267	uint8_t ifftFlag,
<>	129:0ab6a29f35bf	2268	uint8_t bitReverseFlag);
<>	129:0ab6a29f35bf	2269
<>	129:0ab6a29f35bf	2270	/**
<>	129:0ab6a29f35bf	2271	* @brief Instance structure for the Q15 RFFT/RIFFT function.
<>	129:0ab6a29f35bf	2272	*/
<>	129:0ab6a29f35bf	2273
<>	129:0ab6a29f35bf	2274	typedef struct
<>	129:0ab6a29f35bf	2275	{
<>	129:0ab6a29f35bf	2276	uint32_t fftLenReal; /*< length of the real FFT. /
<>	129:0ab6a29f35bf	2277	uint8_t ifftFlagR; /*< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. /
<>	129:0ab6a29f35bf	2278	uint8_t bitReverseFlagR; /*< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2279	uint32_t twidCoefRModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2280	q15_t pTwiddleAReal; /< points to the real twiddle factor table. /
<>	129:0ab6a29f35bf	2281	q15_t pTwiddleBReal; /< points to the imag twiddle factor table. /
<>	129:0ab6a29f35bf	2282	const arm_cfft_instance_q15 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2283	} arm_rfft_instance_q15;
<>	129:0ab6a29f35bf	2284
<>	129:0ab6a29f35bf	2285	arm_status arm_rfft_init_q15(
<>	129:0ab6a29f35bf	2286	arm_rfft_instance_q15 * S,
<>	129:0ab6a29f35bf	2287	uint32_t fftLenReal,
<>	129:0ab6a29f35bf	2288	uint32_t ifftFlagR,
<>	129:0ab6a29f35bf	2289	uint32_t bitReverseFlag);
<>	129:0ab6a29f35bf	2290
<>	129:0ab6a29f35bf	2291	void arm_rfft_q15(
<>	129:0ab6a29f35bf	2292	const arm_rfft_instance_q15 * S,
<>	129:0ab6a29f35bf	2293	q15_t * pSrc,
<>	129:0ab6a29f35bf	2294	q15_t * pDst);
<>	129:0ab6a29f35bf	2295
<>	129:0ab6a29f35bf	2296	/**
<>	129:0ab6a29f35bf	2297	* @brief Instance structure for the Q31 RFFT/RIFFT function.
<>	129:0ab6a29f35bf	2298	*/
<>	129:0ab6a29f35bf	2299
<>	129:0ab6a29f35bf	2300	typedef struct
<>	129:0ab6a29f35bf	2301	{
<>	129:0ab6a29f35bf	2302	uint32_t fftLenReal; /*< length of the real FFT. /
<>	129:0ab6a29f35bf	2303	uint8_t ifftFlagR; /*< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. /
<>	129:0ab6a29f35bf	2304	uint8_t bitReverseFlagR; /*< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2305	uint32_t twidCoefRModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2306	q31_t pTwiddleAReal; /< points to the real twiddle factor table. /
<>	129:0ab6a29f35bf	2307	q31_t pTwiddleBReal; /< points to the imag twiddle factor table. /
<>	129:0ab6a29f35bf	2308	const arm_cfft_instance_q31 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2309	} arm_rfft_instance_q31;
<>	129:0ab6a29f35bf	2310
<>	129:0ab6a29f35bf	2311	arm_status arm_rfft_init_q31(
<>	129:0ab6a29f35bf	2312	arm_rfft_instance_q31 * S,
<>	129:0ab6a29f35bf	2313	uint32_t fftLenReal,
<>	129:0ab6a29f35bf	2314	uint32_t ifftFlagR,
<>	129:0ab6a29f35bf	2315	uint32_t bitReverseFlag);
<>	129:0ab6a29f35bf	2316
<>	129:0ab6a29f35bf	2317	void arm_rfft_q31(
<>	129:0ab6a29f35bf	2318	const arm_rfft_instance_q31 * S,
<>	129:0ab6a29f35bf	2319	q31_t * pSrc,
<>	129:0ab6a29f35bf	2320	q31_t * pDst);
<>	129:0ab6a29f35bf	2321
<>	129:0ab6a29f35bf	2322	/**
<>	129:0ab6a29f35bf	2323	* @brief Instance structure for the floating-point RFFT/RIFFT function.
<>	129:0ab6a29f35bf	2324	*/
<>	129:0ab6a29f35bf	2325
<>	129:0ab6a29f35bf	2326	typedef struct
<>	129:0ab6a29f35bf	2327	{
<>	129:0ab6a29f35bf	2328	uint32_t fftLenReal; /*< length of the real FFT. /
<>	129:0ab6a29f35bf	2329	uint16_t fftLenBy2; /*< length of the complex FFT. /
<>	129:0ab6a29f35bf	2330	uint8_t ifftFlagR; /*< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. /
<>	129:0ab6a29f35bf	2331	uint8_t bitReverseFlagR; /*< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. /
<>	129:0ab6a29f35bf	2332	uint32_t twidCoefRModifier; /*< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. /
<>	129:0ab6a29f35bf	2333	float32_t pTwiddleAReal; /< points to the real twiddle factor table. /
<>	129:0ab6a29f35bf	2334	float32_t pTwiddleBReal; /< points to the imag twiddle factor table. /
<>	129:0ab6a29f35bf	2335	arm_cfft_radix4_instance_f32 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2336	} arm_rfft_instance_f32;
<>	129:0ab6a29f35bf	2337
<>	129:0ab6a29f35bf	2338	arm_status arm_rfft_init_f32(
<>	129:0ab6a29f35bf	2339	arm_rfft_instance_f32 * S,
<>	129:0ab6a29f35bf	2340	arm_cfft_radix4_instance_f32 * S_CFFT,
<>	129:0ab6a29f35bf	2341	uint32_t fftLenReal,
<>	129:0ab6a29f35bf	2342	uint32_t ifftFlagR,
<>	129:0ab6a29f35bf	2343	uint32_t bitReverseFlag);
<>	129:0ab6a29f35bf	2344
<>	129:0ab6a29f35bf	2345	void arm_rfft_f32(
<>	129:0ab6a29f35bf	2346	const arm_rfft_instance_f32 * S,
<>	129:0ab6a29f35bf	2347	float32_t * pSrc,
<>	129:0ab6a29f35bf	2348	float32_t * pDst);
<>	129:0ab6a29f35bf	2349
<>	129:0ab6a29f35bf	2350	/**
<>	129:0ab6a29f35bf	2351	* @brief Instance structure for the floating-point RFFT/RIFFT function.
<>	129:0ab6a29f35bf	2352	*/
<>	129:0ab6a29f35bf	2353
<>	129:0ab6a29f35bf	2354	typedef struct
<>	129:0ab6a29f35bf	2355	{
<>	129:0ab6a29f35bf	2356	arm_cfft_instance_f32 Sint; /*< Internal CFFT structure. /
<>	129:0ab6a29f35bf	2357	uint16_t fftLenRFFT; /*< length of the real sequence /
<>	129:0ab6a29f35bf	2358	float32_t * pTwiddleRFFT; /*< Twiddle factors real stage /
<>	129:0ab6a29f35bf	2359	} arm_rfft_fast_instance_f32 ;
<>	129:0ab6a29f35bf	2360
<>	129:0ab6a29f35bf	2361	arm_status arm_rfft_fast_init_f32 (
<>	129:0ab6a29f35bf	2362	arm_rfft_fast_instance_f32 * S,
<>	129:0ab6a29f35bf	2363	uint16_t fftLen);
<>	129:0ab6a29f35bf	2364
<>	129:0ab6a29f35bf	2365	void arm_rfft_fast_f32(
<>	129:0ab6a29f35bf	2366	arm_rfft_fast_instance_f32 * S,
<>	129:0ab6a29f35bf	2367	float32_t * p, float32_t * pOut,
<>	129:0ab6a29f35bf	2368	uint8_t ifftFlag);
<>	129:0ab6a29f35bf	2369
<>	129:0ab6a29f35bf	2370	/**
<>	129:0ab6a29f35bf	2371	* @brief Instance structure for the floating-point DCT4/IDCT4 function.
<>	129:0ab6a29f35bf	2372	*/
<>	129:0ab6a29f35bf	2373
<>	129:0ab6a29f35bf	2374	typedef struct
<>	129:0ab6a29f35bf	2375	{
<>	129:0ab6a29f35bf	2376	uint16_t N; /*< length of the DCT4. /
<>	129:0ab6a29f35bf	2377	uint16_t Nby2; /*< half of the length of the DCT4. /
<>	129:0ab6a29f35bf	2378	float32_t normalize; /*< normalizing factor. /
<>	129:0ab6a29f35bf	2379	float32_t pTwiddle; /< points to the twiddle factor table. /
<>	129:0ab6a29f35bf	2380	float32_t pCosFactor; /< points to the cosFactor table. /
<>	129:0ab6a29f35bf	2381	arm_rfft_instance_f32 pRfft; /< points to the real FFT instance. /
<>	129:0ab6a29f35bf	2382	arm_cfft_radix4_instance_f32 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2383	} arm_dct4_instance_f32;
<>	129:0ab6a29f35bf	2384
<>	129:0ab6a29f35bf	2385	/**
<>	129:0ab6a29f35bf	2386	* @brief Initialization function for the floating-point DCT4/IDCT4.
<>	129:0ab6a29f35bf	2387	* @param[in,out] *S points to an instance of floating-point DCT4/IDCT4 structure.
<>	129:0ab6a29f35bf	2388	* @param[in] *S_RFFT points to an instance of floating-point RFFT/RIFFT structure.
<>	129:0ab6a29f35bf	2389	* @param[in] *S_CFFT points to an instance of floating-point CFFT/CIFFT structure.
<>	129:0ab6a29f35bf	2390	* @param[in] N length of the DCT4.
<>	129:0ab6a29f35bf	2391	* @param[in] Nby2 half of the length of the DCT4.
<>	129:0ab6a29f35bf	2392	* @param[in] normalize normalizing factor.
<>	129:0ab6a29f35bf	2393	* @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>fftLenReal</code> is not a supported transform length.
<>	129:0ab6a29f35bf	2394	*/
<>	129:0ab6a29f35bf	2395
<>	129:0ab6a29f35bf	2396	arm_status arm_dct4_init_f32(
<>	129:0ab6a29f35bf	2397	arm_dct4_instance_f32 * S,
<>	129:0ab6a29f35bf	2398	arm_rfft_instance_f32 * S_RFFT,
<>	129:0ab6a29f35bf	2399	arm_cfft_radix4_instance_f32 * S_CFFT,
<>	129:0ab6a29f35bf	2400	uint16_t N,
<>	129:0ab6a29f35bf	2401	uint16_t Nby2,
<>	129:0ab6a29f35bf	2402	float32_t normalize);
<>	129:0ab6a29f35bf	2403
<>	129:0ab6a29f35bf	2404	/**
<>	129:0ab6a29f35bf	2405	* @brief Processing function for the floating-point DCT4/IDCT4.
<>	129:0ab6a29f35bf	2406	* @param[in] *S points to an instance of the floating-point DCT4/IDCT4 structure.
<>	129:0ab6a29f35bf	2407	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	2408	* @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
<>	129:0ab6a29f35bf	2409	* @return none.
<>	129:0ab6a29f35bf	2410	*/
<>	129:0ab6a29f35bf	2411
<>	129:0ab6a29f35bf	2412	void arm_dct4_f32(
<>	129:0ab6a29f35bf	2413	const arm_dct4_instance_f32 * S,
<>	129:0ab6a29f35bf	2414	float32_t * pState,
<>	129:0ab6a29f35bf	2415	float32_t * pInlineBuffer);
<>	129:0ab6a29f35bf	2416
<>	129:0ab6a29f35bf	2417	/**
<>	129:0ab6a29f35bf	2418	* @brief Instance structure for the Q31 DCT4/IDCT4 function.
<>	129:0ab6a29f35bf	2419	*/
<>	129:0ab6a29f35bf	2420
<>	129:0ab6a29f35bf	2421	typedef struct
<>	129:0ab6a29f35bf	2422	{
<>	129:0ab6a29f35bf	2423	uint16_t N; /*< length of the DCT4. /
<>	129:0ab6a29f35bf	2424	uint16_t Nby2; /*< half of the length of the DCT4. /
<>	129:0ab6a29f35bf	2425	q31_t normalize; /*< normalizing factor. /
<>	129:0ab6a29f35bf	2426	q31_t pTwiddle; /< points to the twiddle factor table. /
<>	129:0ab6a29f35bf	2427	q31_t pCosFactor; /< points to the cosFactor table. /
<>	129:0ab6a29f35bf	2428	arm_rfft_instance_q31 pRfft; /< points to the real FFT instance. /
<>	129:0ab6a29f35bf	2429	arm_cfft_radix4_instance_q31 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2430	} arm_dct4_instance_q31;
<>	129:0ab6a29f35bf	2431
<>	129:0ab6a29f35bf	2432	/**
<>	129:0ab6a29f35bf	2433	* @brief Initialization function for the Q31 DCT4/IDCT4.
<>	129:0ab6a29f35bf	2434	* @param[in,out] *S points to an instance of Q31 DCT4/IDCT4 structure.
<>	129:0ab6a29f35bf	2435	* @param[in] *S_RFFT points to an instance of Q31 RFFT/RIFFT structure
<>	129:0ab6a29f35bf	2436	* @param[in] *S_CFFT points to an instance of Q31 CFFT/CIFFT structure
<>	129:0ab6a29f35bf	2437	* @param[in] N length of the DCT4.
<>	129:0ab6a29f35bf	2438	* @param[in] Nby2 half of the length of the DCT4.
<>	129:0ab6a29f35bf	2439	* @param[in] normalize normalizing factor.
<>	129:0ab6a29f35bf	2440	* @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>N</code> is not a supported transform length.
<>	129:0ab6a29f35bf	2441	*/
<>	129:0ab6a29f35bf	2442
<>	129:0ab6a29f35bf	2443	arm_status arm_dct4_init_q31(
<>	129:0ab6a29f35bf	2444	arm_dct4_instance_q31 * S,
<>	129:0ab6a29f35bf	2445	arm_rfft_instance_q31 * S_RFFT,
<>	129:0ab6a29f35bf	2446	arm_cfft_radix4_instance_q31 * S_CFFT,
<>	129:0ab6a29f35bf	2447	uint16_t N,
<>	129:0ab6a29f35bf	2448	uint16_t Nby2,
<>	129:0ab6a29f35bf	2449	q31_t normalize);
<>	129:0ab6a29f35bf	2450
<>	129:0ab6a29f35bf	2451	/**
<>	129:0ab6a29f35bf	2452	* @brief Processing function for the Q31 DCT4/IDCT4.
<>	129:0ab6a29f35bf	2453	* @param[in] *S points to an instance of the Q31 DCT4 structure.
<>	129:0ab6a29f35bf	2454	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	2455	* @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
<>	129:0ab6a29f35bf	2456	* @return none.
<>	129:0ab6a29f35bf	2457	*/
<>	129:0ab6a29f35bf	2458
<>	129:0ab6a29f35bf	2459	void arm_dct4_q31(
<>	129:0ab6a29f35bf	2460	const arm_dct4_instance_q31 * S,
<>	129:0ab6a29f35bf	2461	q31_t * pState,
<>	129:0ab6a29f35bf	2462	q31_t * pInlineBuffer);
<>	129:0ab6a29f35bf	2463
<>	129:0ab6a29f35bf	2464	/**
<>	129:0ab6a29f35bf	2465	* @brief Instance structure for the Q15 DCT4/IDCT4 function.
<>	129:0ab6a29f35bf	2466	*/
<>	129:0ab6a29f35bf	2467
<>	129:0ab6a29f35bf	2468	typedef struct
<>	129:0ab6a29f35bf	2469	{
<>	129:0ab6a29f35bf	2470	uint16_t N; /*< length of the DCT4. /
<>	129:0ab6a29f35bf	2471	uint16_t Nby2; /*< half of the length of the DCT4. /
<>	129:0ab6a29f35bf	2472	q15_t normalize; /*< normalizing factor. /
<>	129:0ab6a29f35bf	2473	q15_t pTwiddle; /< points to the twiddle factor table. /
<>	129:0ab6a29f35bf	2474	q15_t pCosFactor; /< points to the cosFactor table. /
<>	129:0ab6a29f35bf	2475	arm_rfft_instance_q15 pRfft; /< points to the real FFT instance. /
<>	129:0ab6a29f35bf	2476	arm_cfft_radix4_instance_q15 pCfft; /< points to the complex FFT instance. /
<>	129:0ab6a29f35bf	2477	} arm_dct4_instance_q15;
<>	129:0ab6a29f35bf	2478
<>	129:0ab6a29f35bf	2479	/**
<>	129:0ab6a29f35bf	2480	* @brief Initialization function for the Q15 DCT4/IDCT4.
<>	129:0ab6a29f35bf	2481	* @param[in,out] *S points to an instance of Q15 DCT4/IDCT4 structure.
<>	129:0ab6a29f35bf	2482	* @param[in] *S_RFFT points to an instance of Q15 RFFT/RIFFT structure.
<>	129:0ab6a29f35bf	2483	* @param[in] *S_CFFT points to an instance of Q15 CFFT/CIFFT structure.
<>	129:0ab6a29f35bf	2484	* @param[in] N length of the DCT4.
<>	129:0ab6a29f35bf	2485	* @param[in] Nby2 half of the length of the DCT4.
<>	129:0ab6a29f35bf	2486	* @param[in] normalize normalizing factor.
<>	129:0ab6a29f35bf	2487	* @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>N</code> is not a supported transform length.
<>	129:0ab6a29f35bf	2488	*/
<>	129:0ab6a29f35bf	2489
<>	129:0ab6a29f35bf	2490	arm_status arm_dct4_init_q15(
<>	129:0ab6a29f35bf	2491	arm_dct4_instance_q15 * S,
<>	129:0ab6a29f35bf	2492	arm_rfft_instance_q15 * S_RFFT,
<>	129:0ab6a29f35bf	2493	arm_cfft_radix4_instance_q15 * S_CFFT,
<>	129:0ab6a29f35bf	2494	uint16_t N,
<>	129:0ab6a29f35bf	2495	uint16_t Nby2,
<>	129:0ab6a29f35bf	2496	q15_t normalize);
<>	129:0ab6a29f35bf	2497
<>	129:0ab6a29f35bf	2498	/**
<>	129:0ab6a29f35bf	2499	* @brief Processing function for the Q15 DCT4/IDCT4.
<>	129:0ab6a29f35bf	2500	* @param[in] *S points to an instance of the Q15 DCT4 structure.
<>	129:0ab6a29f35bf	2501	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	2502	* @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
<>	129:0ab6a29f35bf	2503	* @return none.
<>	129:0ab6a29f35bf	2504	*/
<>	129:0ab6a29f35bf	2505
<>	129:0ab6a29f35bf	2506	void arm_dct4_q15(
<>	129:0ab6a29f35bf	2507	const arm_dct4_instance_q15 * S,
<>	129:0ab6a29f35bf	2508	q15_t * pState,
<>	129:0ab6a29f35bf	2509	q15_t * pInlineBuffer);
<>	129:0ab6a29f35bf	2510
<>	129:0ab6a29f35bf	2511	/**
<>	129:0ab6a29f35bf	2512	* @brief Floating-point vector addition.
<>	129:0ab6a29f35bf	2513	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2514	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2515	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2516	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2517	* @return none.
<>	129:0ab6a29f35bf	2518	*/
<>	129:0ab6a29f35bf	2519
<>	129:0ab6a29f35bf	2520	void arm_add_f32(
<>	129:0ab6a29f35bf	2521	float32_t * pSrcA,
<>	129:0ab6a29f35bf	2522	float32_t * pSrcB,
<>	129:0ab6a29f35bf	2523	float32_t * pDst,
<>	129:0ab6a29f35bf	2524	uint32_t blockSize);
<>	129:0ab6a29f35bf	2525
<>	129:0ab6a29f35bf	2526	/**
<>	129:0ab6a29f35bf	2527	* @brief Q7 vector addition.
<>	129:0ab6a29f35bf	2528	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2529	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2530	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2531	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2532	* @return none.
<>	129:0ab6a29f35bf	2533	*/
<>	129:0ab6a29f35bf	2534
<>	129:0ab6a29f35bf	2535	void arm_add_q7(
<>	129:0ab6a29f35bf	2536	q7_t * pSrcA,
<>	129:0ab6a29f35bf	2537	q7_t * pSrcB,
<>	129:0ab6a29f35bf	2538	q7_t * pDst,
<>	129:0ab6a29f35bf	2539	uint32_t blockSize);
<>	129:0ab6a29f35bf	2540
<>	129:0ab6a29f35bf	2541	/**
<>	129:0ab6a29f35bf	2542	* @brief Q15 vector addition.
<>	129:0ab6a29f35bf	2543	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2544	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2545	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2546	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2547	* @return none.
<>	129:0ab6a29f35bf	2548	*/
<>	129:0ab6a29f35bf	2549
<>	129:0ab6a29f35bf	2550	void arm_add_q15(
<>	129:0ab6a29f35bf	2551	q15_t * pSrcA,
<>	129:0ab6a29f35bf	2552	q15_t * pSrcB,
<>	129:0ab6a29f35bf	2553	q15_t * pDst,
<>	129:0ab6a29f35bf	2554	uint32_t blockSize);
<>	129:0ab6a29f35bf	2555
<>	129:0ab6a29f35bf	2556	/**
<>	129:0ab6a29f35bf	2557	* @brief Q31 vector addition.
<>	129:0ab6a29f35bf	2558	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2559	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2560	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2561	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2562	* @return none.
<>	129:0ab6a29f35bf	2563	*/
<>	129:0ab6a29f35bf	2564
<>	129:0ab6a29f35bf	2565	void arm_add_q31(
<>	129:0ab6a29f35bf	2566	q31_t * pSrcA,
<>	129:0ab6a29f35bf	2567	q31_t * pSrcB,
<>	129:0ab6a29f35bf	2568	q31_t * pDst,
<>	129:0ab6a29f35bf	2569	uint32_t blockSize);
<>	129:0ab6a29f35bf	2570
<>	129:0ab6a29f35bf	2571	/**
<>	129:0ab6a29f35bf	2572	* @brief Floating-point vector subtraction.
<>	129:0ab6a29f35bf	2573	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2574	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2575	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2576	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2577	* @return none.
<>	129:0ab6a29f35bf	2578	*/
<>	129:0ab6a29f35bf	2579
<>	129:0ab6a29f35bf	2580	void arm_sub_f32(
<>	129:0ab6a29f35bf	2581	float32_t * pSrcA,
<>	129:0ab6a29f35bf	2582	float32_t * pSrcB,
<>	129:0ab6a29f35bf	2583	float32_t * pDst,
<>	129:0ab6a29f35bf	2584	uint32_t blockSize);
<>	129:0ab6a29f35bf	2585
<>	129:0ab6a29f35bf	2586	/**
<>	129:0ab6a29f35bf	2587	* @brief Q7 vector subtraction.
<>	129:0ab6a29f35bf	2588	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2589	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2590	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2591	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2592	* @return none.
<>	129:0ab6a29f35bf	2593	*/
<>	129:0ab6a29f35bf	2594
<>	129:0ab6a29f35bf	2595	void arm_sub_q7(
<>	129:0ab6a29f35bf	2596	q7_t * pSrcA,
<>	129:0ab6a29f35bf	2597	q7_t * pSrcB,
<>	129:0ab6a29f35bf	2598	q7_t * pDst,
<>	129:0ab6a29f35bf	2599	uint32_t blockSize);
<>	129:0ab6a29f35bf	2600
<>	129:0ab6a29f35bf	2601	/**
<>	129:0ab6a29f35bf	2602	* @brief Q15 vector subtraction.
<>	129:0ab6a29f35bf	2603	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2604	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2605	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2606	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2607	* @return none.
<>	129:0ab6a29f35bf	2608	*/
<>	129:0ab6a29f35bf	2609
<>	129:0ab6a29f35bf	2610	void arm_sub_q15(
<>	129:0ab6a29f35bf	2611	q15_t * pSrcA,
<>	129:0ab6a29f35bf	2612	q15_t * pSrcB,
<>	129:0ab6a29f35bf	2613	q15_t * pDst,
<>	129:0ab6a29f35bf	2614	uint32_t blockSize);
<>	129:0ab6a29f35bf	2615
<>	129:0ab6a29f35bf	2616	/**
<>	129:0ab6a29f35bf	2617	* @brief Q31 vector subtraction.
<>	129:0ab6a29f35bf	2618	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2619	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2620	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2621	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2622	* @return none.
<>	129:0ab6a29f35bf	2623	*/
<>	129:0ab6a29f35bf	2624
<>	129:0ab6a29f35bf	2625	void arm_sub_q31(
<>	129:0ab6a29f35bf	2626	q31_t * pSrcA,
<>	129:0ab6a29f35bf	2627	q31_t * pSrcB,
<>	129:0ab6a29f35bf	2628	q31_t * pDst,
<>	129:0ab6a29f35bf	2629	uint32_t blockSize);
<>	129:0ab6a29f35bf	2630
<>	129:0ab6a29f35bf	2631	/**
<>	129:0ab6a29f35bf	2632	* @brief Multiplies a floating-point vector by a scalar.
<>	129:0ab6a29f35bf	2633	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2634	* @param[in] scale scale factor to be applied
<>	129:0ab6a29f35bf	2635	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2636	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2637	* @return none.
<>	129:0ab6a29f35bf	2638	*/
<>	129:0ab6a29f35bf	2639
<>	129:0ab6a29f35bf	2640	void arm_scale_f32(
<>	129:0ab6a29f35bf	2641	float32_t * pSrc,
<>	129:0ab6a29f35bf	2642	float32_t scale,
<>	129:0ab6a29f35bf	2643	float32_t * pDst,
<>	129:0ab6a29f35bf	2644	uint32_t blockSize);
<>	129:0ab6a29f35bf	2645
<>	129:0ab6a29f35bf	2646	/**
<>	129:0ab6a29f35bf	2647	* @brief Multiplies a Q7 vector by a scalar.
<>	129:0ab6a29f35bf	2648	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2649	* @param[in] scaleFract fractional portion of the scale value
<>	129:0ab6a29f35bf	2650	* @param[in] shift number of bits to shift the result by
<>	129:0ab6a29f35bf	2651	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2652	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2653	* @return none.
<>	129:0ab6a29f35bf	2654	*/
<>	129:0ab6a29f35bf	2655
<>	129:0ab6a29f35bf	2656	void arm_scale_q7(
<>	129:0ab6a29f35bf	2657	q7_t * pSrc,
<>	129:0ab6a29f35bf	2658	q7_t scaleFract,
<>	129:0ab6a29f35bf	2659	int8_t shift,
<>	129:0ab6a29f35bf	2660	q7_t * pDst,
<>	129:0ab6a29f35bf	2661	uint32_t blockSize);
<>	129:0ab6a29f35bf	2662
<>	129:0ab6a29f35bf	2663	/**
<>	129:0ab6a29f35bf	2664	* @brief Multiplies a Q15 vector by a scalar.
<>	129:0ab6a29f35bf	2665	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2666	* @param[in] scaleFract fractional portion of the scale value
<>	129:0ab6a29f35bf	2667	* @param[in] shift number of bits to shift the result by
<>	129:0ab6a29f35bf	2668	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2669	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2670	* @return none.
<>	129:0ab6a29f35bf	2671	*/
<>	129:0ab6a29f35bf	2672
<>	129:0ab6a29f35bf	2673	void arm_scale_q15(
<>	129:0ab6a29f35bf	2674	q15_t * pSrc,
<>	129:0ab6a29f35bf	2675	q15_t scaleFract,
<>	129:0ab6a29f35bf	2676	int8_t shift,
<>	129:0ab6a29f35bf	2677	q15_t * pDst,
<>	129:0ab6a29f35bf	2678	uint32_t blockSize);
<>	129:0ab6a29f35bf	2679
<>	129:0ab6a29f35bf	2680	/**
<>	129:0ab6a29f35bf	2681	* @brief Multiplies a Q31 vector by a scalar.
<>	129:0ab6a29f35bf	2682	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2683	* @param[in] scaleFract fractional portion of the scale value
<>	129:0ab6a29f35bf	2684	* @param[in] shift number of bits to shift the result by
<>	129:0ab6a29f35bf	2685	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2686	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2687	* @return none.
<>	129:0ab6a29f35bf	2688	*/
<>	129:0ab6a29f35bf	2689
<>	129:0ab6a29f35bf	2690	void arm_scale_q31(
<>	129:0ab6a29f35bf	2691	q31_t * pSrc,
<>	129:0ab6a29f35bf	2692	q31_t scaleFract,
<>	129:0ab6a29f35bf	2693	int8_t shift,
<>	129:0ab6a29f35bf	2694	q31_t * pDst,
<>	129:0ab6a29f35bf	2695	uint32_t blockSize);
<>	129:0ab6a29f35bf	2696
<>	129:0ab6a29f35bf	2697	/**
<>	129:0ab6a29f35bf	2698	* @brief Q7 vector absolute value.
<>	129:0ab6a29f35bf	2699	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	2700	* @param[out] *pDst points to the output buffer
<>	129:0ab6a29f35bf	2701	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2702	* @return none.
<>	129:0ab6a29f35bf	2703	*/
<>	129:0ab6a29f35bf	2704
<>	129:0ab6a29f35bf	2705	void arm_abs_q7(
<>	129:0ab6a29f35bf	2706	q7_t * pSrc,
<>	129:0ab6a29f35bf	2707	q7_t * pDst,
<>	129:0ab6a29f35bf	2708	uint32_t blockSize);
<>	129:0ab6a29f35bf	2709
<>	129:0ab6a29f35bf	2710	/**
<>	129:0ab6a29f35bf	2711	* @brief Floating-point vector absolute value.
<>	129:0ab6a29f35bf	2712	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	2713	* @param[out] *pDst points to the output buffer
<>	129:0ab6a29f35bf	2714	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2715	* @return none.
<>	129:0ab6a29f35bf	2716	*/
<>	129:0ab6a29f35bf	2717
<>	129:0ab6a29f35bf	2718	void arm_abs_f32(
<>	129:0ab6a29f35bf	2719	float32_t * pSrc,
<>	129:0ab6a29f35bf	2720	float32_t * pDst,
<>	129:0ab6a29f35bf	2721	uint32_t blockSize);
<>	129:0ab6a29f35bf	2722
<>	129:0ab6a29f35bf	2723	/**
<>	129:0ab6a29f35bf	2724	* @brief Q15 vector absolute value.
<>	129:0ab6a29f35bf	2725	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	2726	* @param[out] *pDst points to the output buffer
<>	129:0ab6a29f35bf	2727	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2728	* @return none.
<>	129:0ab6a29f35bf	2729	*/
<>	129:0ab6a29f35bf	2730
<>	129:0ab6a29f35bf	2731	void arm_abs_q15(
<>	129:0ab6a29f35bf	2732	q15_t * pSrc,
<>	129:0ab6a29f35bf	2733	q15_t * pDst,
<>	129:0ab6a29f35bf	2734	uint32_t blockSize);
<>	129:0ab6a29f35bf	2735
<>	129:0ab6a29f35bf	2736	/**
<>	129:0ab6a29f35bf	2737	* @brief Q31 vector absolute value.
<>	129:0ab6a29f35bf	2738	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	2739	* @param[out] *pDst points to the output buffer
<>	129:0ab6a29f35bf	2740	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2741	* @return none.
<>	129:0ab6a29f35bf	2742	*/
<>	129:0ab6a29f35bf	2743
<>	129:0ab6a29f35bf	2744	void arm_abs_q31(
<>	129:0ab6a29f35bf	2745	q31_t * pSrc,
<>	129:0ab6a29f35bf	2746	q31_t * pDst,
<>	129:0ab6a29f35bf	2747	uint32_t blockSize);
<>	129:0ab6a29f35bf	2748
<>	129:0ab6a29f35bf	2749	/**
<>	129:0ab6a29f35bf	2750	* @brief Dot product of floating-point vectors.
<>	129:0ab6a29f35bf	2751	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2752	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2753	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2754	* @param[out] *result output result returned here
<>	129:0ab6a29f35bf	2755	* @return none.
<>	129:0ab6a29f35bf	2756	*/
<>	129:0ab6a29f35bf	2757
<>	129:0ab6a29f35bf	2758	void arm_dot_prod_f32(
<>	129:0ab6a29f35bf	2759	float32_t * pSrcA,
<>	129:0ab6a29f35bf	2760	float32_t * pSrcB,
<>	129:0ab6a29f35bf	2761	uint32_t blockSize,
<>	129:0ab6a29f35bf	2762	float32_t * result);
<>	129:0ab6a29f35bf	2763
<>	129:0ab6a29f35bf	2764	/**
<>	129:0ab6a29f35bf	2765	* @brief Dot product of Q7 vectors.
<>	129:0ab6a29f35bf	2766	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2767	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2768	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2769	* @param[out] *result output result returned here
<>	129:0ab6a29f35bf	2770	* @return none.
<>	129:0ab6a29f35bf	2771	*/
<>	129:0ab6a29f35bf	2772
<>	129:0ab6a29f35bf	2773	void arm_dot_prod_q7(
<>	129:0ab6a29f35bf	2774	q7_t * pSrcA,
<>	129:0ab6a29f35bf	2775	q7_t * pSrcB,
<>	129:0ab6a29f35bf	2776	uint32_t blockSize,
<>	129:0ab6a29f35bf	2777	q31_t * result);
<>	129:0ab6a29f35bf	2778
<>	129:0ab6a29f35bf	2779	/**
<>	129:0ab6a29f35bf	2780	* @brief Dot product of Q15 vectors.
<>	129:0ab6a29f35bf	2781	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2782	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2783	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2784	* @param[out] *result output result returned here
<>	129:0ab6a29f35bf	2785	* @return none.
<>	129:0ab6a29f35bf	2786	*/
<>	129:0ab6a29f35bf	2787
<>	129:0ab6a29f35bf	2788	void arm_dot_prod_q15(
<>	129:0ab6a29f35bf	2789	q15_t * pSrcA,
<>	129:0ab6a29f35bf	2790	q15_t * pSrcB,
<>	129:0ab6a29f35bf	2791	uint32_t blockSize,
<>	129:0ab6a29f35bf	2792	q63_t * result);
<>	129:0ab6a29f35bf	2793
<>	129:0ab6a29f35bf	2794	/**
<>	129:0ab6a29f35bf	2795	* @brief Dot product of Q31 vectors.
<>	129:0ab6a29f35bf	2796	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	2797	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	2798	* @param[in] blockSize number of samples in each vector
<>	129:0ab6a29f35bf	2799	* @param[out] *result output result returned here
<>	129:0ab6a29f35bf	2800	* @return none.
<>	129:0ab6a29f35bf	2801	*/
<>	129:0ab6a29f35bf	2802
<>	129:0ab6a29f35bf	2803	void arm_dot_prod_q31(
<>	129:0ab6a29f35bf	2804	q31_t * pSrcA,
<>	129:0ab6a29f35bf	2805	q31_t * pSrcB,
<>	129:0ab6a29f35bf	2806	uint32_t blockSize,
<>	129:0ab6a29f35bf	2807	q63_t * result);
<>	129:0ab6a29f35bf	2808
<>	129:0ab6a29f35bf	2809	/**
<>	129:0ab6a29f35bf	2810	* @brief Shifts the elements of a Q7 vector a specified number of bits.
<>	129:0ab6a29f35bf	2811	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2812	* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
<>	129:0ab6a29f35bf	2813	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2814	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2815	* @return none.
<>	129:0ab6a29f35bf	2816	*/
<>	129:0ab6a29f35bf	2817
<>	129:0ab6a29f35bf	2818	void arm_shift_q7(
<>	129:0ab6a29f35bf	2819	q7_t * pSrc,
<>	129:0ab6a29f35bf	2820	int8_t shiftBits,
<>	129:0ab6a29f35bf	2821	q7_t * pDst,
<>	129:0ab6a29f35bf	2822	uint32_t blockSize);
<>	129:0ab6a29f35bf	2823
<>	129:0ab6a29f35bf	2824	/**
<>	129:0ab6a29f35bf	2825	* @brief Shifts the elements of a Q15 vector a specified number of bits.
<>	129:0ab6a29f35bf	2826	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2827	* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
<>	129:0ab6a29f35bf	2828	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2829	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2830	* @return none.
<>	129:0ab6a29f35bf	2831	*/
<>	129:0ab6a29f35bf	2832
<>	129:0ab6a29f35bf	2833	void arm_shift_q15(
<>	129:0ab6a29f35bf	2834	q15_t * pSrc,
<>	129:0ab6a29f35bf	2835	int8_t shiftBits,
<>	129:0ab6a29f35bf	2836	q15_t * pDst,
<>	129:0ab6a29f35bf	2837	uint32_t blockSize);
<>	129:0ab6a29f35bf	2838
<>	129:0ab6a29f35bf	2839	/**
<>	129:0ab6a29f35bf	2840	* @brief Shifts the elements of a Q31 vector a specified number of bits.
<>	129:0ab6a29f35bf	2841	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2842	* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
<>	129:0ab6a29f35bf	2843	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2844	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2845	* @return none.
<>	129:0ab6a29f35bf	2846	*/
<>	129:0ab6a29f35bf	2847
<>	129:0ab6a29f35bf	2848	void arm_shift_q31(
<>	129:0ab6a29f35bf	2849	q31_t * pSrc,
<>	129:0ab6a29f35bf	2850	int8_t shiftBits,
<>	129:0ab6a29f35bf	2851	q31_t * pDst,
<>	129:0ab6a29f35bf	2852	uint32_t blockSize);
<>	129:0ab6a29f35bf	2853
<>	129:0ab6a29f35bf	2854	/**
<>	129:0ab6a29f35bf	2855	* @brief Adds a constant offset to a floating-point vector.
<>	129:0ab6a29f35bf	2856	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2857	* @param[in] offset is the offset to be added
<>	129:0ab6a29f35bf	2858	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2859	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2860	* @return none.
<>	129:0ab6a29f35bf	2861	*/
<>	129:0ab6a29f35bf	2862
<>	129:0ab6a29f35bf	2863	void arm_offset_f32(
<>	129:0ab6a29f35bf	2864	float32_t * pSrc,
<>	129:0ab6a29f35bf	2865	float32_t offset,
<>	129:0ab6a29f35bf	2866	float32_t * pDst,
<>	129:0ab6a29f35bf	2867	uint32_t blockSize);
<>	129:0ab6a29f35bf	2868
<>	129:0ab6a29f35bf	2869	/**
<>	129:0ab6a29f35bf	2870	* @brief Adds a constant offset to a Q7 vector.
<>	129:0ab6a29f35bf	2871	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2872	* @param[in] offset is the offset to be added
<>	129:0ab6a29f35bf	2873	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2874	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2875	* @return none.
<>	129:0ab6a29f35bf	2876	*/
<>	129:0ab6a29f35bf	2877
<>	129:0ab6a29f35bf	2878	void arm_offset_q7(
<>	129:0ab6a29f35bf	2879	q7_t * pSrc,
<>	129:0ab6a29f35bf	2880	q7_t offset,
<>	129:0ab6a29f35bf	2881	q7_t * pDst,
<>	129:0ab6a29f35bf	2882	uint32_t blockSize);
<>	129:0ab6a29f35bf	2883
<>	129:0ab6a29f35bf	2884	/**
<>	129:0ab6a29f35bf	2885	* @brief Adds a constant offset to a Q15 vector.
<>	129:0ab6a29f35bf	2886	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2887	* @param[in] offset is the offset to be added
<>	129:0ab6a29f35bf	2888	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2889	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2890	* @return none.
<>	129:0ab6a29f35bf	2891	*/
<>	129:0ab6a29f35bf	2892
<>	129:0ab6a29f35bf	2893	void arm_offset_q15(
<>	129:0ab6a29f35bf	2894	q15_t * pSrc,
<>	129:0ab6a29f35bf	2895	q15_t offset,
<>	129:0ab6a29f35bf	2896	q15_t * pDst,
<>	129:0ab6a29f35bf	2897	uint32_t blockSize);
<>	129:0ab6a29f35bf	2898
<>	129:0ab6a29f35bf	2899	/**
<>	129:0ab6a29f35bf	2900	* @brief Adds a constant offset to a Q31 vector.
<>	129:0ab6a29f35bf	2901	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2902	* @param[in] offset is the offset to be added
<>	129:0ab6a29f35bf	2903	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2904	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2905	* @return none.
<>	129:0ab6a29f35bf	2906	*/
<>	129:0ab6a29f35bf	2907
<>	129:0ab6a29f35bf	2908	void arm_offset_q31(
<>	129:0ab6a29f35bf	2909	q31_t * pSrc,
<>	129:0ab6a29f35bf	2910	q31_t offset,
<>	129:0ab6a29f35bf	2911	q31_t * pDst,
<>	129:0ab6a29f35bf	2912	uint32_t blockSize);
<>	129:0ab6a29f35bf	2913
<>	129:0ab6a29f35bf	2914	/**
<>	129:0ab6a29f35bf	2915	* @brief Negates the elements of a floating-point vector.
<>	129:0ab6a29f35bf	2916	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2917	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2918	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2919	* @return none.
<>	129:0ab6a29f35bf	2920	*/
<>	129:0ab6a29f35bf	2921
<>	129:0ab6a29f35bf	2922	void arm_negate_f32(
<>	129:0ab6a29f35bf	2923	float32_t * pSrc,
<>	129:0ab6a29f35bf	2924	float32_t * pDst,
<>	129:0ab6a29f35bf	2925	uint32_t blockSize);
<>	129:0ab6a29f35bf	2926
<>	129:0ab6a29f35bf	2927	/**
<>	129:0ab6a29f35bf	2928	* @brief Negates the elements of a Q7 vector.
<>	129:0ab6a29f35bf	2929	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2930	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2931	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2932	* @return none.
<>	129:0ab6a29f35bf	2933	*/
<>	129:0ab6a29f35bf	2934
<>	129:0ab6a29f35bf	2935	void arm_negate_q7(
<>	129:0ab6a29f35bf	2936	q7_t * pSrc,
<>	129:0ab6a29f35bf	2937	q7_t * pDst,
<>	129:0ab6a29f35bf	2938	uint32_t blockSize);
<>	129:0ab6a29f35bf	2939
<>	129:0ab6a29f35bf	2940	/**
<>	129:0ab6a29f35bf	2941	* @brief Negates the elements of a Q15 vector.
<>	129:0ab6a29f35bf	2942	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2943	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2944	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2945	* @return none.
<>	129:0ab6a29f35bf	2946	*/
<>	129:0ab6a29f35bf	2947
<>	129:0ab6a29f35bf	2948	void arm_negate_q15(
<>	129:0ab6a29f35bf	2949	q15_t * pSrc,
<>	129:0ab6a29f35bf	2950	q15_t * pDst,
<>	129:0ab6a29f35bf	2951	uint32_t blockSize);
<>	129:0ab6a29f35bf	2952
<>	129:0ab6a29f35bf	2953	/**
<>	129:0ab6a29f35bf	2954	* @brief Negates the elements of a Q31 vector.
<>	129:0ab6a29f35bf	2955	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	2956	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	2957	* @param[in] blockSize number of samples in the vector
<>	129:0ab6a29f35bf	2958	* @return none.
<>	129:0ab6a29f35bf	2959	*/
<>	129:0ab6a29f35bf	2960
<>	129:0ab6a29f35bf	2961	void arm_negate_q31(
<>	129:0ab6a29f35bf	2962	q31_t * pSrc,
<>	129:0ab6a29f35bf	2963	q31_t * pDst,
<>	129:0ab6a29f35bf	2964	uint32_t blockSize);
<>	129:0ab6a29f35bf	2965	/**
<>	129:0ab6a29f35bf	2966	* @brief Copies the elements of a floating-point vector.
<>	129:0ab6a29f35bf	2967	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	2968	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	2969	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	2970	* @return none.
<>	129:0ab6a29f35bf	2971	*/
<>	129:0ab6a29f35bf	2972	void arm_copy_f32(
<>	129:0ab6a29f35bf	2973	float32_t * pSrc,
<>	129:0ab6a29f35bf	2974	float32_t * pDst,
<>	129:0ab6a29f35bf	2975	uint32_t blockSize);
<>	129:0ab6a29f35bf	2976
<>	129:0ab6a29f35bf	2977	/**
<>	129:0ab6a29f35bf	2978	* @brief Copies the elements of a Q7 vector.
<>	129:0ab6a29f35bf	2979	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	2980	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	2981	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	2982	* @return none.
<>	129:0ab6a29f35bf	2983	*/
<>	129:0ab6a29f35bf	2984	void arm_copy_q7(
<>	129:0ab6a29f35bf	2985	q7_t * pSrc,
<>	129:0ab6a29f35bf	2986	q7_t * pDst,
<>	129:0ab6a29f35bf	2987	uint32_t blockSize);
<>	129:0ab6a29f35bf	2988
<>	129:0ab6a29f35bf	2989	/**
<>	129:0ab6a29f35bf	2990	* @brief Copies the elements of a Q15 vector.
<>	129:0ab6a29f35bf	2991	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	2992	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	2993	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	2994	* @return none.
<>	129:0ab6a29f35bf	2995	*/
<>	129:0ab6a29f35bf	2996	void arm_copy_q15(
<>	129:0ab6a29f35bf	2997	q15_t * pSrc,
<>	129:0ab6a29f35bf	2998	q15_t * pDst,
<>	129:0ab6a29f35bf	2999	uint32_t blockSize);
<>	129:0ab6a29f35bf	3000
<>	129:0ab6a29f35bf	3001	/**
<>	129:0ab6a29f35bf	3002	* @brief Copies the elements of a Q31 vector.
<>	129:0ab6a29f35bf	3003	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	3004	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	3005	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	3006	* @return none.
<>	129:0ab6a29f35bf	3007	*/
<>	129:0ab6a29f35bf	3008	void arm_copy_q31(
<>	129:0ab6a29f35bf	3009	q31_t * pSrc,
<>	129:0ab6a29f35bf	3010	q31_t * pDst,
<>	129:0ab6a29f35bf	3011	uint32_t blockSize);
<>	129:0ab6a29f35bf	3012	/**
<>	129:0ab6a29f35bf	3013	* @brief Fills a constant value into a floating-point vector.
<>	129:0ab6a29f35bf	3014	* @param[in] value input value to be filled
<>	129:0ab6a29f35bf	3015	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	3016	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	3017	* @return none.
<>	129:0ab6a29f35bf	3018	*/
<>	129:0ab6a29f35bf	3019	void arm_fill_f32(
<>	129:0ab6a29f35bf	3020	float32_t value,
<>	129:0ab6a29f35bf	3021	float32_t * pDst,
<>	129:0ab6a29f35bf	3022	uint32_t blockSize);
<>	129:0ab6a29f35bf	3023
<>	129:0ab6a29f35bf	3024	/**
<>	129:0ab6a29f35bf	3025	* @brief Fills a constant value into a Q7 vector.
<>	129:0ab6a29f35bf	3026	* @param[in] value input value to be filled
<>	129:0ab6a29f35bf	3027	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	3028	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	3029	* @return none.
<>	129:0ab6a29f35bf	3030	*/
<>	129:0ab6a29f35bf	3031	void arm_fill_q7(
<>	129:0ab6a29f35bf	3032	q7_t value,
<>	129:0ab6a29f35bf	3033	q7_t * pDst,
<>	129:0ab6a29f35bf	3034	uint32_t blockSize);
<>	129:0ab6a29f35bf	3035
<>	129:0ab6a29f35bf	3036	/**
<>	129:0ab6a29f35bf	3037	* @brief Fills a constant value into a Q15 vector.
<>	129:0ab6a29f35bf	3038	* @param[in] value input value to be filled
<>	129:0ab6a29f35bf	3039	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	3040	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	3041	* @return none.
<>	129:0ab6a29f35bf	3042	*/
<>	129:0ab6a29f35bf	3043	void arm_fill_q15(
<>	129:0ab6a29f35bf	3044	q15_t value,
<>	129:0ab6a29f35bf	3045	q15_t * pDst,
<>	129:0ab6a29f35bf	3046	uint32_t blockSize);
<>	129:0ab6a29f35bf	3047
<>	129:0ab6a29f35bf	3048	/**
<>	129:0ab6a29f35bf	3049	* @brief Fills a constant value into a Q31 vector.
<>	129:0ab6a29f35bf	3050	* @param[in] value input value to be filled
<>	129:0ab6a29f35bf	3051	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	3052	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	3053	* @return none.
<>	129:0ab6a29f35bf	3054	*/
<>	129:0ab6a29f35bf	3055	void arm_fill_q31(
<>	129:0ab6a29f35bf	3056	q31_t value,
<>	129:0ab6a29f35bf	3057	q31_t * pDst,
<>	129:0ab6a29f35bf	3058	uint32_t blockSize);
<>	129:0ab6a29f35bf	3059
<>	129:0ab6a29f35bf	3060	/**
<>	129:0ab6a29f35bf	3061	* @brief Convolution of floating-point sequences.
<>	129:0ab6a29f35bf	3062	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3063	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3064	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3065	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3066	* @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3067	* @return none.
<>	129:0ab6a29f35bf	3068	*/
<>	129:0ab6a29f35bf	3069
<>	129:0ab6a29f35bf	3070	void arm_conv_f32(
<>	129:0ab6a29f35bf	3071	float32_t * pSrcA,
<>	129:0ab6a29f35bf	3072	uint32_t srcALen,
<>	129:0ab6a29f35bf	3073	float32_t * pSrcB,
<>	129:0ab6a29f35bf	3074	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3075	float32_t * pDst);
<>	129:0ab6a29f35bf	3076
<>	129:0ab6a29f35bf	3077
<>	129:0ab6a29f35bf	3078	/**
<>	129:0ab6a29f35bf	3079	* @brief Convolution of Q15 sequences.
<>	129:0ab6a29f35bf	3080	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3081	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3082	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3083	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3084	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3085	* @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3086	* @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3087	* @return none.
<>	129:0ab6a29f35bf	3088	*/
<>	129:0ab6a29f35bf	3089
<>	129:0ab6a29f35bf	3090
<>	129:0ab6a29f35bf	3091	void arm_conv_opt_q15(
<>	129:0ab6a29f35bf	3092	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3093	uint32_t srcALen,
<>	129:0ab6a29f35bf	3094	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3095	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3096	q15_t * pDst,
<>	129:0ab6a29f35bf	3097	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3098	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3099
<>	129:0ab6a29f35bf	3100
<>	129:0ab6a29f35bf	3101	/**
<>	129:0ab6a29f35bf	3102	* @brief Convolution of Q15 sequences.
<>	129:0ab6a29f35bf	3103	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3104	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3105	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3106	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3107	* @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3108	* @return none.
<>	129:0ab6a29f35bf	3109	*/
<>	129:0ab6a29f35bf	3110
<>	129:0ab6a29f35bf	3111	void arm_conv_q15(
<>	129:0ab6a29f35bf	3112	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3113	uint32_t srcALen,
<>	129:0ab6a29f35bf	3114	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3115	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3116	q15_t * pDst);
<>	129:0ab6a29f35bf	3117
<>	129:0ab6a29f35bf	3118	/**
<>	129:0ab6a29f35bf	3119	* @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3120	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3121	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3122	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3123	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3124	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3125	* @return none.
<>	129:0ab6a29f35bf	3126	*/
<>	129:0ab6a29f35bf	3127
<>	129:0ab6a29f35bf	3128	void arm_conv_fast_q15(
<>	129:0ab6a29f35bf	3129	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3130	uint32_t srcALen,
<>	129:0ab6a29f35bf	3131	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3132	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3133	q15_t * pDst);
<>	129:0ab6a29f35bf	3134
<>	129:0ab6a29f35bf	3135	/**
<>	129:0ab6a29f35bf	3136	* @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3137	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3138	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3139	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3140	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3141	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3142	* @param[in] pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3143	* @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3144	* @return none.
<>	129:0ab6a29f35bf	3145	*/
<>	129:0ab6a29f35bf	3146
<>	129:0ab6a29f35bf	3147	void arm_conv_fast_opt_q15(
<>	129:0ab6a29f35bf	3148	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3149	uint32_t srcALen,
<>	129:0ab6a29f35bf	3150	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3151	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3152	q15_t * pDst,
<>	129:0ab6a29f35bf	3153	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3154	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3155
<>	129:0ab6a29f35bf	3156
<>	129:0ab6a29f35bf	3157
<>	129:0ab6a29f35bf	3158	/**
<>	129:0ab6a29f35bf	3159	* @brief Convolution of Q31 sequences.
<>	129:0ab6a29f35bf	3160	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3161	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3162	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3163	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3164	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3165	* @return none.
<>	129:0ab6a29f35bf	3166	*/
<>	129:0ab6a29f35bf	3167
<>	129:0ab6a29f35bf	3168	void arm_conv_q31(
<>	129:0ab6a29f35bf	3169	q31_t * pSrcA,
<>	129:0ab6a29f35bf	3170	uint32_t srcALen,
<>	129:0ab6a29f35bf	3171	q31_t * pSrcB,
<>	129:0ab6a29f35bf	3172	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3173	q31_t * pDst);
<>	129:0ab6a29f35bf	3174
<>	129:0ab6a29f35bf	3175	/**
<>	129:0ab6a29f35bf	3176	* @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3177	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3178	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3179	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3180	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3181	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3182	* @return none.
<>	129:0ab6a29f35bf	3183	*/
<>	129:0ab6a29f35bf	3184
<>	129:0ab6a29f35bf	3185	void arm_conv_fast_q31(
<>	129:0ab6a29f35bf	3186	q31_t * pSrcA,
<>	129:0ab6a29f35bf	3187	uint32_t srcALen,
<>	129:0ab6a29f35bf	3188	q31_t * pSrcB,
<>	129:0ab6a29f35bf	3189	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3190	q31_t * pDst);
<>	129:0ab6a29f35bf	3191
<>	129:0ab6a29f35bf	3192
<>	129:0ab6a29f35bf	3193	/**
<>	129:0ab6a29f35bf	3194	* @brief Convolution of Q7 sequences.
<>	129:0ab6a29f35bf	3195	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3196	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3197	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3198	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3199	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3200	* @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3201	* @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3202	* @return none.
<>	129:0ab6a29f35bf	3203	*/
<>	129:0ab6a29f35bf	3204
<>	129:0ab6a29f35bf	3205	void arm_conv_opt_q7(
<>	129:0ab6a29f35bf	3206	q7_t * pSrcA,
<>	129:0ab6a29f35bf	3207	uint32_t srcALen,
<>	129:0ab6a29f35bf	3208	q7_t * pSrcB,
<>	129:0ab6a29f35bf	3209	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3210	q7_t * pDst,
<>	129:0ab6a29f35bf	3211	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3212	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3213
<>	129:0ab6a29f35bf	3214
<>	129:0ab6a29f35bf	3215
<>	129:0ab6a29f35bf	3216	/**
<>	129:0ab6a29f35bf	3217	* @brief Convolution of Q7 sequences.
<>	129:0ab6a29f35bf	3218	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3219	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3220	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3221	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3222	* @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
<>	129:0ab6a29f35bf	3223	* @return none.
<>	129:0ab6a29f35bf	3224	*/
<>	129:0ab6a29f35bf	3225
<>	129:0ab6a29f35bf	3226	void arm_conv_q7(
<>	129:0ab6a29f35bf	3227	q7_t * pSrcA,
<>	129:0ab6a29f35bf	3228	uint32_t srcALen,
<>	129:0ab6a29f35bf	3229	q7_t * pSrcB,
<>	129:0ab6a29f35bf	3230	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3231	q7_t * pDst);
<>	129:0ab6a29f35bf	3232
<>	129:0ab6a29f35bf	3233
<>	129:0ab6a29f35bf	3234	/**
<>	129:0ab6a29f35bf	3235	* @brief Partial convolution of floating-point sequences.
<>	129:0ab6a29f35bf	3236	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3237	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3238	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3239	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3240	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3241	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3242	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3243	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3244	*/
<>	129:0ab6a29f35bf	3245
<>	129:0ab6a29f35bf	3246	arm_status arm_conv_partial_f32(
<>	129:0ab6a29f35bf	3247	float32_t * pSrcA,
<>	129:0ab6a29f35bf	3248	uint32_t srcALen,
<>	129:0ab6a29f35bf	3249	float32_t * pSrcB,
<>	129:0ab6a29f35bf	3250	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3251	float32_t * pDst,
<>	129:0ab6a29f35bf	3252	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3253	uint32_t numPoints);
<>	129:0ab6a29f35bf	3254
<>	129:0ab6a29f35bf	3255	/**
<>	129:0ab6a29f35bf	3256	* @brief Partial convolution of Q15 sequences.
<>	129:0ab6a29f35bf	3257	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3258	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3259	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3260	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3261	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3262	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3263	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3264	* @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3265	* @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3266	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3267	*/
<>	129:0ab6a29f35bf	3268
<>	129:0ab6a29f35bf	3269	arm_status arm_conv_partial_opt_q15(
<>	129:0ab6a29f35bf	3270	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3271	uint32_t srcALen,
<>	129:0ab6a29f35bf	3272	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3273	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3274	q15_t * pDst,
<>	129:0ab6a29f35bf	3275	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3276	uint32_t numPoints,
<>	129:0ab6a29f35bf	3277	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3278	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3279
<>	129:0ab6a29f35bf	3280
<>	129:0ab6a29f35bf	3281	/**
<>	129:0ab6a29f35bf	3282	* @brief Partial convolution of Q15 sequences.
<>	129:0ab6a29f35bf	3283	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3284	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3285	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3286	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3287	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3288	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3289	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3290	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3291	*/
<>	129:0ab6a29f35bf	3292
<>	129:0ab6a29f35bf	3293	arm_status arm_conv_partial_q15(
<>	129:0ab6a29f35bf	3294	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3295	uint32_t srcALen,
<>	129:0ab6a29f35bf	3296	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3297	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3298	q15_t * pDst,
<>	129:0ab6a29f35bf	3299	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3300	uint32_t numPoints);
<>	129:0ab6a29f35bf	3301
<>	129:0ab6a29f35bf	3302	/**
<>	129:0ab6a29f35bf	3303	* @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3304	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3305	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3306	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3307	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3308	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3309	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3310	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3311	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3312	*/
<>	129:0ab6a29f35bf	3313
<>	129:0ab6a29f35bf	3314	arm_status arm_conv_partial_fast_q15(
<>	129:0ab6a29f35bf	3315	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3316	uint32_t srcALen,
<>	129:0ab6a29f35bf	3317	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3318	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3319	q15_t * pDst,
<>	129:0ab6a29f35bf	3320	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3321	uint32_t numPoints);
<>	129:0ab6a29f35bf	3322
<>	129:0ab6a29f35bf	3323
<>	129:0ab6a29f35bf	3324	/**
<>	129:0ab6a29f35bf	3325	* @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3326	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3327	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3328	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3329	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3330	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3331	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3332	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3333	* @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3334	* @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3335	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3336	*/
<>	129:0ab6a29f35bf	3337
<>	129:0ab6a29f35bf	3338	arm_status arm_conv_partial_fast_opt_q15(
<>	129:0ab6a29f35bf	3339	q15_t * pSrcA,
<>	129:0ab6a29f35bf	3340	uint32_t srcALen,
<>	129:0ab6a29f35bf	3341	q15_t * pSrcB,
<>	129:0ab6a29f35bf	3342	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3343	q15_t * pDst,
<>	129:0ab6a29f35bf	3344	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3345	uint32_t numPoints,
<>	129:0ab6a29f35bf	3346	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3347	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3348
<>	129:0ab6a29f35bf	3349
<>	129:0ab6a29f35bf	3350	/**
<>	129:0ab6a29f35bf	3351	* @brief Partial convolution of Q31 sequences.
<>	129:0ab6a29f35bf	3352	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3353	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3354	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3355	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3356	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3357	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3358	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3359	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3360	*/
<>	129:0ab6a29f35bf	3361
<>	129:0ab6a29f35bf	3362	arm_status arm_conv_partial_q31(
<>	129:0ab6a29f35bf	3363	q31_t * pSrcA,
<>	129:0ab6a29f35bf	3364	uint32_t srcALen,
<>	129:0ab6a29f35bf	3365	q31_t * pSrcB,
<>	129:0ab6a29f35bf	3366	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3367	q31_t * pDst,
<>	129:0ab6a29f35bf	3368	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3369	uint32_t numPoints);
<>	129:0ab6a29f35bf	3370
<>	129:0ab6a29f35bf	3371
<>	129:0ab6a29f35bf	3372	/**
<>	129:0ab6a29f35bf	3373	* @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	3374	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3375	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3376	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3377	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3378	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3379	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3380	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3381	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3382	*/
<>	129:0ab6a29f35bf	3383
<>	129:0ab6a29f35bf	3384	arm_status arm_conv_partial_fast_q31(
<>	129:0ab6a29f35bf	3385	q31_t * pSrcA,
<>	129:0ab6a29f35bf	3386	uint32_t srcALen,
<>	129:0ab6a29f35bf	3387	q31_t * pSrcB,
<>	129:0ab6a29f35bf	3388	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3389	q31_t * pDst,
<>	129:0ab6a29f35bf	3390	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3391	uint32_t numPoints);
<>	129:0ab6a29f35bf	3392
<>	129:0ab6a29f35bf	3393
<>	129:0ab6a29f35bf	3394	/**
<>	129:0ab6a29f35bf	3395	* @brief Partial convolution of Q7 sequences
<>	129:0ab6a29f35bf	3396	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3397	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3398	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3399	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3400	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3401	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3402	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3403	* @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	3404	* @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	3405	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3406	*/
<>	129:0ab6a29f35bf	3407
<>	129:0ab6a29f35bf	3408	arm_status arm_conv_partial_opt_q7(
<>	129:0ab6a29f35bf	3409	q7_t * pSrcA,
<>	129:0ab6a29f35bf	3410	uint32_t srcALen,
<>	129:0ab6a29f35bf	3411	q7_t * pSrcB,
<>	129:0ab6a29f35bf	3412	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3413	q7_t * pDst,
<>	129:0ab6a29f35bf	3414	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3415	uint32_t numPoints,
<>	129:0ab6a29f35bf	3416	q15_t * pScratch1,
<>	129:0ab6a29f35bf	3417	q15_t * pScratch2);
<>	129:0ab6a29f35bf	3418
<>	129:0ab6a29f35bf	3419
<>	129:0ab6a29f35bf	3420	/**
<>	129:0ab6a29f35bf	3421	* @brief Partial convolution of Q7 sequences.
<>	129:0ab6a29f35bf	3422	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	3423	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	3424	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	3425	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	3426	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3427	* @param[in] firstIndex is the first output sample to start with.
<>	129:0ab6a29f35bf	3428	* @param[in] numPoints is the number of output points to be computed.
<>	129:0ab6a29f35bf	3429	* @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
<>	129:0ab6a29f35bf	3430	*/
<>	129:0ab6a29f35bf	3431
<>	129:0ab6a29f35bf	3432	arm_status arm_conv_partial_q7(
<>	129:0ab6a29f35bf	3433	q7_t * pSrcA,
<>	129:0ab6a29f35bf	3434	uint32_t srcALen,
<>	129:0ab6a29f35bf	3435	q7_t * pSrcB,
<>	129:0ab6a29f35bf	3436	uint32_t srcBLen,
<>	129:0ab6a29f35bf	3437	q7_t * pDst,
<>	129:0ab6a29f35bf	3438	uint32_t firstIndex,
<>	129:0ab6a29f35bf	3439	uint32_t numPoints);
<>	129:0ab6a29f35bf	3440
<>	129:0ab6a29f35bf	3441
<>	129:0ab6a29f35bf	3442
<>	129:0ab6a29f35bf	3443	/**
<>	129:0ab6a29f35bf	3444	* @brief Instance structure for the Q15 FIR decimator.
<>	129:0ab6a29f35bf	3445	*/
<>	129:0ab6a29f35bf	3446
<>	129:0ab6a29f35bf	3447	typedef struct
<>	129:0ab6a29f35bf	3448	{
<>	129:0ab6a29f35bf	3449	uint8_t M; /*< decimation factor. /
<>	129:0ab6a29f35bf	3450	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	3451	q15_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	3452	q15_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	3453	} arm_fir_decimate_instance_q15;
<>	129:0ab6a29f35bf	3454
<>	129:0ab6a29f35bf	3455	/**
<>	129:0ab6a29f35bf	3456	* @brief Instance structure for the Q31 FIR decimator.
<>	129:0ab6a29f35bf	3457	*/
<>	129:0ab6a29f35bf	3458
<>	129:0ab6a29f35bf	3459	typedef struct
<>	129:0ab6a29f35bf	3460	{
<>	129:0ab6a29f35bf	3461	uint8_t M; /*< decimation factor. /
<>	129:0ab6a29f35bf	3462	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	3463	q31_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	3464	q31_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	3465
<>	129:0ab6a29f35bf	3466	} arm_fir_decimate_instance_q31;
<>	129:0ab6a29f35bf	3467
<>	129:0ab6a29f35bf	3468	/**
<>	129:0ab6a29f35bf	3469	* @brief Instance structure for the floating-point FIR decimator.
<>	129:0ab6a29f35bf	3470	*/
<>	129:0ab6a29f35bf	3471
<>	129:0ab6a29f35bf	3472	typedef struct
<>	129:0ab6a29f35bf	3473	{
<>	129:0ab6a29f35bf	3474	uint8_t M; /*< decimation factor. /
<>	129:0ab6a29f35bf	3475	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	3476	float32_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	3477	float32_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	3478
<>	129:0ab6a29f35bf	3479	} arm_fir_decimate_instance_f32;
<>	129:0ab6a29f35bf	3480
<>	129:0ab6a29f35bf	3481
<>	129:0ab6a29f35bf	3482
<>	129:0ab6a29f35bf	3483	/**
<>	129:0ab6a29f35bf	3484	* @brief Processing function for the floating-point FIR decimator.
<>	129:0ab6a29f35bf	3485	* @param[in] *S points to an instance of the floating-point FIR decimator structure.
<>	129:0ab6a29f35bf	3486	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3487	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3488	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3489	* @return none
<>	129:0ab6a29f35bf	3490	*/
<>	129:0ab6a29f35bf	3491
<>	129:0ab6a29f35bf	3492	void arm_fir_decimate_f32(
<>	129:0ab6a29f35bf	3493	const arm_fir_decimate_instance_f32 * S,
<>	129:0ab6a29f35bf	3494	float32_t * pSrc,
<>	129:0ab6a29f35bf	3495	float32_t * pDst,
<>	129:0ab6a29f35bf	3496	uint32_t blockSize);
<>	129:0ab6a29f35bf	3497
<>	129:0ab6a29f35bf	3498
<>	129:0ab6a29f35bf	3499	/**
<>	129:0ab6a29f35bf	3500	* @brief Initialization function for the floating-point FIR decimator.
<>	129:0ab6a29f35bf	3501	* @param[in,out] *S points to an instance of the floating-point FIR decimator structure.
<>	129:0ab6a29f35bf	3502	* @param[in] numTaps number of coefficients in the filter.
<>	129:0ab6a29f35bf	3503	* @param[in] M decimation factor.
<>	129:0ab6a29f35bf	3504	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3505	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3506	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3507	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3508	* <code>blockSize</code> is not a multiple of <code>M</code>.
<>	129:0ab6a29f35bf	3509	*/
<>	129:0ab6a29f35bf	3510
<>	129:0ab6a29f35bf	3511	arm_status arm_fir_decimate_init_f32(
<>	129:0ab6a29f35bf	3512	arm_fir_decimate_instance_f32 * S,
<>	129:0ab6a29f35bf	3513	uint16_t numTaps,
<>	129:0ab6a29f35bf	3514	uint8_t M,
<>	129:0ab6a29f35bf	3515	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	3516	float32_t * pState,
<>	129:0ab6a29f35bf	3517	uint32_t blockSize);
<>	129:0ab6a29f35bf	3518
<>	129:0ab6a29f35bf	3519	/**
<>	129:0ab6a29f35bf	3520	* @brief Processing function for the Q15 FIR decimator.
<>	129:0ab6a29f35bf	3521	* @param[in] *S points to an instance of the Q15 FIR decimator structure.
<>	129:0ab6a29f35bf	3522	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3523	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3524	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3525	* @return none
<>	129:0ab6a29f35bf	3526	*/
<>	129:0ab6a29f35bf	3527
<>	129:0ab6a29f35bf	3528	void arm_fir_decimate_q15(
<>	129:0ab6a29f35bf	3529	const arm_fir_decimate_instance_q15 * S,
<>	129:0ab6a29f35bf	3530	q15_t * pSrc,
<>	129:0ab6a29f35bf	3531	q15_t * pDst,
<>	129:0ab6a29f35bf	3532	uint32_t blockSize);
<>	129:0ab6a29f35bf	3533
<>	129:0ab6a29f35bf	3534	/**
<>	129:0ab6a29f35bf	3535	* @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	3536	* @param[in] *S points to an instance of the Q15 FIR decimator structure.
<>	129:0ab6a29f35bf	3537	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3538	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3539	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3540	* @return none
<>	129:0ab6a29f35bf	3541	*/
<>	129:0ab6a29f35bf	3542
<>	129:0ab6a29f35bf	3543	void arm_fir_decimate_fast_q15(
<>	129:0ab6a29f35bf	3544	const arm_fir_decimate_instance_q15 * S,
<>	129:0ab6a29f35bf	3545	q15_t * pSrc,
<>	129:0ab6a29f35bf	3546	q15_t * pDst,
<>	129:0ab6a29f35bf	3547	uint32_t blockSize);
<>	129:0ab6a29f35bf	3548
<>	129:0ab6a29f35bf	3549
<>	129:0ab6a29f35bf	3550
<>	129:0ab6a29f35bf	3551	/**
<>	129:0ab6a29f35bf	3552	* @brief Initialization function for the Q15 FIR decimator.
<>	129:0ab6a29f35bf	3553	* @param[in,out] *S points to an instance of the Q15 FIR decimator structure.
<>	129:0ab6a29f35bf	3554	* @param[in] numTaps number of coefficients in the filter.
<>	129:0ab6a29f35bf	3555	* @param[in] M decimation factor.
<>	129:0ab6a29f35bf	3556	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3557	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3558	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3559	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3560	* <code>blockSize</code> is not a multiple of <code>M</code>.
<>	129:0ab6a29f35bf	3561	*/
<>	129:0ab6a29f35bf	3562
<>	129:0ab6a29f35bf	3563	arm_status arm_fir_decimate_init_q15(
<>	129:0ab6a29f35bf	3564	arm_fir_decimate_instance_q15 * S,
<>	129:0ab6a29f35bf	3565	uint16_t numTaps,
<>	129:0ab6a29f35bf	3566	uint8_t M,
<>	129:0ab6a29f35bf	3567	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	3568	q15_t * pState,
<>	129:0ab6a29f35bf	3569	uint32_t blockSize);
<>	129:0ab6a29f35bf	3570
<>	129:0ab6a29f35bf	3571	/**
<>	129:0ab6a29f35bf	3572	* @brief Processing function for the Q31 FIR decimator.
<>	129:0ab6a29f35bf	3573	* @param[in] *S points to an instance of the Q31 FIR decimator structure.
<>	129:0ab6a29f35bf	3574	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3575	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3576	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3577	* @return none
<>	129:0ab6a29f35bf	3578	*/
<>	129:0ab6a29f35bf	3579
<>	129:0ab6a29f35bf	3580	void arm_fir_decimate_q31(
<>	129:0ab6a29f35bf	3581	const arm_fir_decimate_instance_q31 * S,
<>	129:0ab6a29f35bf	3582	q31_t * pSrc,
<>	129:0ab6a29f35bf	3583	q31_t * pDst,
<>	129:0ab6a29f35bf	3584	uint32_t blockSize);
<>	129:0ab6a29f35bf	3585
<>	129:0ab6a29f35bf	3586	/**
<>	129:0ab6a29f35bf	3587	* @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	3588	* @param[in] *S points to an instance of the Q31 FIR decimator structure.
<>	129:0ab6a29f35bf	3589	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3590	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3591	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3592	* @return none
<>	129:0ab6a29f35bf	3593	*/
<>	129:0ab6a29f35bf	3594
<>	129:0ab6a29f35bf	3595	void arm_fir_decimate_fast_q31(
<>	129:0ab6a29f35bf	3596	arm_fir_decimate_instance_q31 * S,
<>	129:0ab6a29f35bf	3597	q31_t * pSrc,
<>	129:0ab6a29f35bf	3598	q31_t * pDst,
<>	129:0ab6a29f35bf	3599	uint32_t blockSize);
<>	129:0ab6a29f35bf	3600
<>	129:0ab6a29f35bf	3601
<>	129:0ab6a29f35bf	3602	/**
<>	129:0ab6a29f35bf	3603	* @brief Initialization function for the Q31 FIR decimator.
<>	129:0ab6a29f35bf	3604	* @param[in,out] *S points to an instance of the Q31 FIR decimator structure.
<>	129:0ab6a29f35bf	3605	* @param[in] numTaps number of coefficients in the filter.
<>	129:0ab6a29f35bf	3606	* @param[in] M decimation factor.
<>	129:0ab6a29f35bf	3607	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3608	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3609	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3610	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3611	* <code>blockSize</code> is not a multiple of <code>M</code>.
<>	129:0ab6a29f35bf	3612	*/
<>	129:0ab6a29f35bf	3613
<>	129:0ab6a29f35bf	3614	arm_status arm_fir_decimate_init_q31(
<>	129:0ab6a29f35bf	3615	arm_fir_decimate_instance_q31 * S,
<>	129:0ab6a29f35bf	3616	uint16_t numTaps,
<>	129:0ab6a29f35bf	3617	uint8_t M,
<>	129:0ab6a29f35bf	3618	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	3619	q31_t * pState,
<>	129:0ab6a29f35bf	3620	uint32_t blockSize);
<>	129:0ab6a29f35bf	3621
<>	129:0ab6a29f35bf	3622
<>	129:0ab6a29f35bf	3623
<>	129:0ab6a29f35bf	3624	/**
<>	129:0ab6a29f35bf	3625	* @brief Instance structure for the Q15 FIR interpolator.
<>	129:0ab6a29f35bf	3626	*/
<>	129:0ab6a29f35bf	3627
<>	129:0ab6a29f35bf	3628	typedef struct
<>	129:0ab6a29f35bf	3629	{
<>	129:0ab6a29f35bf	3630	uint8_t L; /*< upsample factor. /
<>	129:0ab6a29f35bf	3631	uint16_t phaseLength; /*< length of each polyphase filter component. /
<>	129:0ab6a29f35bf	3632	q15_t pCoeffs; /< points to the coefficient array. The array is of length LphaseLength. */
<>	129:0ab6a29f35bf	3633	q15_t pState; /< points to the state variable array. The array is of length blockSize+phaseLength-1. /
<>	129:0ab6a29f35bf	3634	} arm_fir_interpolate_instance_q15;
<>	129:0ab6a29f35bf	3635
<>	129:0ab6a29f35bf	3636	/**
<>	129:0ab6a29f35bf	3637	* @brief Instance structure for the Q31 FIR interpolator.
<>	129:0ab6a29f35bf	3638	*/
<>	129:0ab6a29f35bf	3639
<>	129:0ab6a29f35bf	3640	typedef struct
<>	129:0ab6a29f35bf	3641	{
<>	129:0ab6a29f35bf	3642	uint8_t L; /*< upsample factor. /
<>	129:0ab6a29f35bf	3643	uint16_t phaseLength; /*< length of each polyphase filter component. /
<>	129:0ab6a29f35bf	3644	q31_t pCoeffs; /< points to the coefficient array. The array is of length LphaseLength. */
<>	129:0ab6a29f35bf	3645	q31_t pState; /< points to the state variable array. The array is of length blockSize+phaseLength-1. /
<>	129:0ab6a29f35bf	3646	} arm_fir_interpolate_instance_q31;
<>	129:0ab6a29f35bf	3647
<>	129:0ab6a29f35bf	3648	/**
<>	129:0ab6a29f35bf	3649	* @brief Instance structure for the floating-point FIR interpolator.
<>	129:0ab6a29f35bf	3650	*/
<>	129:0ab6a29f35bf	3651
<>	129:0ab6a29f35bf	3652	typedef struct
<>	129:0ab6a29f35bf	3653	{
<>	129:0ab6a29f35bf	3654	uint8_t L; /*< upsample factor. /
<>	129:0ab6a29f35bf	3655	uint16_t phaseLength; /*< length of each polyphase filter component. /
<>	129:0ab6a29f35bf	3656	float32_t pCoeffs; /< points to the coefficient array. The array is of length LphaseLength. */
<>	129:0ab6a29f35bf	3657	float32_t pState; /< points to the state variable array. The array is of length phaseLength+numTaps-1. /
<>	129:0ab6a29f35bf	3658	} arm_fir_interpolate_instance_f32;
<>	129:0ab6a29f35bf	3659
<>	129:0ab6a29f35bf	3660
<>	129:0ab6a29f35bf	3661	/**
<>	129:0ab6a29f35bf	3662	* @brief Processing function for the Q15 FIR interpolator.
<>	129:0ab6a29f35bf	3663	* @param[in] *S points to an instance of the Q15 FIR interpolator structure.
<>	129:0ab6a29f35bf	3664	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3665	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	3666	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3667	* @return none.
<>	129:0ab6a29f35bf	3668	*/
<>	129:0ab6a29f35bf	3669
<>	129:0ab6a29f35bf	3670	void arm_fir_interpolate_q15(
<>	129:0ab6a29f35bf	3671	const arm_fir_interpolate_instance_q15 * S,
<>	129:0ab6a29f35bf	3672	q15_t * pSrc,
<>	129:0ab6a29f35bf	3673	q15_t * pDst,
<>	129:0ab6a29f35bf	3674	uint32_t blockSize);
<>	129:0ab6a29f35bf	3675
<>	129:0ab6a29f35bf	3676
<>	129:0ab6a29f35bf	3677	/**
<>	129:0ab6a29f35bf	3678	* @brief Initialization function for the Q15 FIR interpolator.
<>	129:0ab6a29f35bf	3679	* @param[in,out] *S points to an instance of the Q15 FIR interpolator structure.
<>	129:0ab6a29f35bf	3680	* @param[in] L upsample factor.
<>	129:0ab6a29f35bf	3681	* @param[in] numTaps number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	3682	* @param[in] *pCoeffs points to the filter coefficient buffer.
<>	129:0ab6a29f35bf	3683	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3684	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3685	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3686	* the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
<>	129:0ab6a29f35bf	3687	*/
<>	129:0ab6a29f35bf	3688
<>	129:0ab6a29f35bf	3689	arm_status arm_fir_interpolate_init_q15(
<>	129:0ab6a29f35bf	3690	arm_fir_interpolate_instance_q15 * S,
<>	129:0ab6a29f35bf	3691	uint8_t L,
<>	129:0ab6a29f35bf	3692	uint16_t numTaps,
<>	129:0ab6a29f35bf	3693	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	3694	q15_t * pState,
<>	129:0ab6a29f35bf	3695	uint32_t blockSize);
<>	129:0ab6a29f35bf	3696
<>	129:0ab6a29f35bf	3697	/**
<>	129:0ab6a29f35bf	3698	* @brief Processing function for the Q31 FIR interpolator.
<>	129:0ab6a29f35bf	3699	* @param[in] *S points to an instance of the Q15 FIR interpolator structure.
<>	129:0ab6a29f35bf	3700	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3701	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	3702	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3703	* @return none.
<>	129:0ab6a29f35bf	3704	*/
<>	129:0ab6a29f35bf	3705
<>	129:0ab6a29f35bf	3706	void arm_fir_interpolate_q31(
<>	129:0ab6a29f35bf	3707	const arm_fir_interpolate_instance_q31 * S,
<>	129:0ab6a29f35bf	3708	q31_t * pSrc,
<>	129:0ab6a29f35bf	3709	q31_t * pDst,
<>	129:0ab6a29f35bf	3710	uint32_t blockSize);
<>	129:0ab6a29f35bf	3711
<>	129:0ab6a29f35bf	3712	/**
<>	129:0ab6a29f35bf	3713	* @brief Initialization function for the Q31 FIR interpolator.
<>	129:0ab6a29f35bf	3714	* @param[in,out] *S points to an instance of the Q31 FIR interpolator structure.
<>	129:0ab6a29f35bf	3715	* @param[in] L upsample factor.
<>	129:0ab6a29f35bf	3716	* @param[in] numTaps number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	3717	* @param[in] *pCoeffs points to the filter coefficient buffer.
<>	129:0ab6a29f35bf	3718	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3719	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3720	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3721	* the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
<>	129:0ab6a29f35bf	3722	*/
<>	129:0ab6a29f35bf	3723
<>	129:0ab6a29f35bf	3724	arm_status arm_fir_interpolate_init_q31(
<>	129:0ab6a29f35bf	3725	arm_fir_interpolate_instance_q31 * S,
<>	129:0ab6a29f35bf	3726	uint8_t L,
<>	129:0ab6a29f35bf	3727	uint16_t numTaps,
<>	129:0ab6a29f35bf	3728	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	3729	q31_t * pState,
<>	129:0ab6a29f35bf	3730	uint32_t blockSize);
<>	129:0ab6a29f35bf	3731
<>	129:0ab6a29f35bf	3732
<>	129:0ab6a29f35bf	3733	/**
<>	129:0ab6a29f35bf	3734	* @brief Processing function for the floating-point FIR interpolator.
<>	129:0ab6a29f35bf	3735	* @param[in] *S points to an instance of the floating-point FIR interpolator structure.
<>	129:0ab6a29f35bf	3736	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3737	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	3738	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3739	* @return none.
<>	129:0ab6a29f35bf	3740	*/
<>	129:0ab6a29f35bf	3741
<>	129:0ab6a29f35bf	3742	void arm_fir_interpolate_f32(
<>	129:0ab6a29f35bf	3743	const arm_fir_interpolate_instance_f32 * S,
<>	129:0ab6a29f35bf	3744	float32_t * pSrc,
<>	129:0ab6a29f35bf	3745	float32_t * pDst,
<>	129:0ab6a29f35bf	3746	uint32_t blockSize);
<>	129:0ab6a29f35bf	3747
<>	129:0ab6a29f35bf	3748	/**
<>	129:0ab6a29f35bf	3749	* @brief Initialization function for the floating-point FIR interpolator.
<>	129:0ab6a29f35bf	3750	* @param[in,out] *S points to an instance of the floating-point FIR interpolator structure.
<>	129:0ab6a29f35bf	3751	* @param[in] L upsample factor.
<>	129:0ab6a29f35bf	3752	* @param[in] numTaps number of filter coefficients in the filter.
<>	129:0ab6a29f35bf	3753	* @param[in] *pCoeffs points to the filter coefficient buffer.
<>	129:0ab6a29f35bf	3754	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3755	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	3756	* @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
<>	129:0ab6a29f35bf	3757	* the filter length <code>numTaps</code> is not a multiple of the interpolation factor <code>L</code>.
<>	129:0ab6a29f35bf	3758	*/
<>	129:0ab6a29f35bf	3759
<>	129:0ab6a29f35bf	3760	arm_status arm_fir_interpolate_init_f32(
<>	129:0ab6a29f35bf	3761	arm_fir_interpolate_instance_f32 * S,
<>	129:0ab6a29f35bf	3762	uint8_t L,
<>	129:0ab6a29f35bf	3763	uint16_t numTaps,
<>	129:0ab6a29f35bf	3764	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	3765	float32_t * pState,
<>	129:0ab6a29f35bf	3766	uint32_t blockSize);
<>	129:0ab6a29f35bf	3767
<>	129:0ab6a29f35bf	3768	/**
<>	129:0ab6a29f35bf	3769	* @brief Instance structure for the high precision Q31 Biquad cascade filter.
<>	129:0ab6a29f35bf	3770	*/
<>	129:0ab6a29f35bf	3771
<>	129:0ab6a29f35bf	3772	typedef struct
<>	129:0ab6a29f35bf	3773	{
<>	129:0ab6a29f35bf	3774	uint8_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	3775	q63_t pState; /< points to the array of state coefficients. The array is of length 4numStages. */
<>	129:0ab6a29f35bf	3776	q31_t pCoeffs; /< points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	3777	uint8_t postShift; /*< additional shift, in bits, applied to each output sample. /
<>	129:0ab6a29f35bf	3778
<>	129:0ab6a29f35bf	3779	} arm_biquad_cas_df1_32x64_ins_q31;
<>	129:0ab6a29f35bf	3780
<>	129:0ab6a29f35bf	3781
<>	129:0ab6a29f35bf	3782	/**
<>	129:0ab6a29f35bf	3783	* @param[in] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
<>	129:0ab6a29f35bf	3784	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3785	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3786	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	3787	* @return none.
<>	129:0ab6a29f35bf	3788	*/
<>	129:0ab6a29f35bf	3789
<>	129:0ab6a29f35bf	3790	void arm_biquad_cas_df1_32x64_q31(
<>	129:0ab6a29f35bf	3791	const arm_biquad_cas_df1_32x64_ins_q31 * S,
<>	129:0ab6a29f35bf	3792	q31_t * pSrc,
<>	129:0ab6a29f35bf	3793	q31_t * pDst,
<>	129:0ab6a29f35bf	3794	uint32_t blockSize);
<>	129:0ab6a29f35bf	3795
<>	129:0ab6a29f35bf	3796
<>	129:0ab6a29f35bf	3797	/**
<>	129:0ab6a29f35bf	3798	* @param[in,out] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
<>	129:0ab6a29f35bf	3799	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	3800	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3801	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3802	* @param[in] postShift shift to be applied to the output. Varies according to the coefficients format
<>	129:0ab6a29f35bf	3803	* @return none
<>	129:0ab6a29f35bf	3804	*/
<>	129:0ab6a29f35bf	3805
<>	129:0ab6a29f35bf	3806	void arm_biquad_cas_df1_32x64_init_q31(
<>	129:0ab6a29f35bf	3807	arm_biquad_cas_df1_32x64_ins_q31 * S,
<>	129:0ab6a29f35bf	3808	uint8_t numStages,
<>	129:0ab6a29f35bf	3809	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	3810	q63_t * pState,
<>	129:0ab6a29f35bf	3811	uint8_t postShift);
<>	129:0ab6a29f35bf	3812
<>	129:0ab6a29f35bf	3813
<>	129:0ab6a29f35bf	3814
<>	129:0ab6a29f35bf	3815	/**
<>	129:0ab6a29f35bf	3816	* @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3817	*/
<>	129:0ab6a29f35bf	3818
<>	129:0ab6a29f35bf	3819	typedef struct
<>	129:0ab6a29f35bf	3820	{
<>	129:0ab6a29f35bf	3821	uint8_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	3822	float32_t pState; /< points to the array of state coefficients. The array is of length 2numStages. */
<>	129:0ab6a29f35bf	3823	float32_t pCoeffs; /< points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	3824	} arm_biquad_cascade_df2T_instance_f32;
<>	129:0ab6a29f35bf	3825
<>	129:0ab6a29f35bf	3826
<>	129:0ab6a29f35bf	3827
<>	129:0ab6a29f35bf	3828	/**
<>	129:0ab6a29f35bf	3829	* @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3830	*/
<>	129:0ab6a29f35bf	3831
<>	129:0ab6a29f35bf	3832	typedef struct
<>	129:0ab6a29f35bf	3833	{
<>	129:0ab6a29f35bf	3834	uint8_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	3835	float32_t pState; /< points to the array of state coefficients. The array is of length 4numStages. */
<>	129:0ab6a29f35bf	3836	float32_t pCoeffs; /< points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	3837	} arm_biquad_cascade_stereo_df2T_instance_f32;
<>	129:0ab6a29f35bf	3838
<>	129:0ab6a29f35bf	3839
<>	129:0ab6a29f35bf	3840
<>	129:0ab6a29f35bf	3841	/**
<>	129:0ab6a29f35bf	3842	* @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3843	*/
<>	129:0ab6a29f35bf	3844
<>	129:0ab6a29f35bf	3845	typedef struct
<>	129:0ab6a29f35bf	3846	{
<>	129:0ab6a29f35bf	3847	uint8_t numStages; /*< number of 2nd order stages in the filter. Overall order is 2numStages. */
<>	129:0ab6a29f35bf	3848	float64_t pState; /< points to the array of state coefficients. The array is of length 2numStages. */
<>	129:0ab6a29f35bf	3849	float64_t pCoeffs; /< points to the array of coefficients. The array is of length 5numStages. */
<>	129:0ab6a29f35bf	3850	} arm_biquad_cascade_df2T_instance_f64;
<>	129:0ab6a29f35bf	3851
<>	129:0ab6a29f35bf	3852
<>	129:0ab6a29f35bf	3853	/**
<>	129:0ab6a29f35bf	3854	* @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3855	* @param[in] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3856	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3857	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3858	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	3859	* @return none.
<>	129:0ab6a29f35bf	3860	*/
<>	129:0ab6a29f35bf	3861
<>	129:0ab6a29f35bf	3862	void arm_biquad_cascade_df2T_f32(
<>	129:0ab6a29f35bf	3863	const arm_biquad_cascade_df2T_instance_f32 * S,
<>	129:0ab6a29f35bf	3864	float32_t * pSrc,
<>	129:0ab6a29f35bf	3865	float32_t * pDst,
<>	129:0ab6a29f35bf	3866	uint32_t blockSize);
<>	129:0ab6a29f35bf	3867
<>	129:0ab6a29f35bf	3868
<>	129:0ab6a29f35bf	3869	/**
<>	129:0ab6a29f35bf	3870	* @brief Processing function for the floating-point transposed direct form II Biquad cascade filter. 2 channels
<>	129:0ab6a29f35bf	3871	* @param[in] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3872	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3873	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3874	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	3875	* @return none.
<>	129:0ab6a29f35bf	3876	*/
<>	129:0ab6a29f35bf	3877
<>	129:0ab6a29f35bf	3878	void arm_biquad_cascade_stereo_df2T_f32(
<>	129:0ab6a29f35bf	3879	const arm_biquad_cascade_stereo_df2T_instance_f32 * S,
<>	129:0ab6a29f35bf	3880	float32_t * pSrc,
<>	129:0ab6a29f35bf	3881	float32_t * pDst,
<>	129:0ab6a29f35bf	3882	uint32_t blockSize);
<>	129:0ab6a29f35bf	3883
<>	129:0ab6a29f35bf	3884	/**
<>	129:0ab6a29f35bf	3885	* @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3886	* @param[in] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3887	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	3888	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	3889	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	3890	* @return none.
<>	129:0ab6a29f35bf	3891	*/
<>	129:0ab6a29f35bf	3892
<>	129:0ab6a29f35bf	3893	void arm_biquad_cascade_df2T_f64(
<>	129:0ab6a29f35bf	3894	const arm_biquad_cascade_df2T_instance_f64 * S,
<>	129:0ab6a29f35bf	3895	float64_t * pSrc,
<>	129:0ab6a29f35bf	3896	float64_t * pDst,
<>	129:0ab6a29f35bf	3897	uint32_t blockSize);
<>	129:0ab6a29f35bf	3898
<>	129:0ab6a29f35bf	3899
<>	129:0ab6a29f35bf	3900	/**
<>	129:0ab6a29f35bf	3901	* @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3902	* @param[in,out] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3903	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	3904	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3905	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3906	* @return none
<>	129:0ab6a29f35bf	3907	*/
<>	129:0ab6a29f35bf	3908
<>	129:0ab6a29f35bf	3909	void arm_biquad_cascade_df2T_init_f32(
<>	129:0ab6a29f35bf	3910	arm_biquad_cascade_df2T_instance_f32 * S,
<>	129:0ab6a29f35bf	3911	uint8_t numStages,
<>	129:0ab6a29f35bf	3912	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	3913	float32_t * pState);
<>	129:0ab6a29f35bf	3914
<>	129:0ab6a29f35bf	3915
<>	129:0ab6a29f35bf	3916	/**
<>	129:0ab6a29f35bf	3917	* @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3918	* @param[in,out] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3919	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	3920	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3921	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3922	* @return none
<>	129:0ab6a29f35bf	3923	*/
<>	129:0ab6a29f35bf	3924
<>	129:0ab6a29f35bf	3925	void arm_biquad_cascade_stereo_df2T_init_f32(
<>	129:0ab6a29f35bf	3926	arm_biquad_cascade_stereo_df2T_instance_f32 * S,
<>	129:0ab6a29f35bf	3927	uint8_t numStages,
<>	129:0ab6a29f35bf	3928	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	3929	float32_t * pState);
<>	129:0ab6a29f35bf	3930
<>	129:0ab6a29f35bf	3931
<>	129:0ab6a29f35bf	3932	/**
<>	129:0ab6a29f35bf	3933	* @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
<>	129:0ab6a29f35bf	3934	* @param[in,out] *S points to an instance of the filter data structure.
<>	129:0ab6a29f35bf	3935	* @param[in] numStages number of 2nd order stages in the filter.
<>	129:0ab6a29f35bf	3936	* @param[in] *pCoeffs points to the filter coefficients.
<>	129:0ab6a29f35bf	3937	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	3938	* @return none
<>	129:0ab6a29f35bf	3939	*/
<>	129:0ab6a29f35bf	3940
<>	129:0ab6a29f35bf	3941	void arm_biquad_cascade_df2T_init_f64(
<>	129:0ab6a29f35bf	3942	arm_biquad_cascade_df2T_instance_f64 * S,
<>	129:0ab6a29f35bf	3943	uint8_t numStages,
<>	129:0ab6a29f35bf	3944	float64_t * pCoeffs,
<>	129:0ab6a29f35bf	3945	float64_t * pState);
<>	129:0ab6a29f35bf	3946
<>	129:0ab6a29f35bf	3947
<>	129:0ab6a29f35bf	3948
<>	129:0ab6a29f35bf	3949	/**
<>	129:0ab6a29f35bf	3950	* @brief Instance structure for the Q15 FIR lattice filter.
<>	129:0ab6a29f35bf	3951	*/
<>	129:0ab6a29f35bf	3952
<>	129:0ab6a29f35bf	3953	typedef struct
<>	129:0ab6a29f35bf	3954	{
<>	129:0ab6a29f35bf	3955	uint16_t numStages; /*< number of filter stages. /
<>	129:0ab6a29f35bf	3956	q15_t pState; /< points to the state variable array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3957	q15_t pCoeffs; /< points to the coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3958	} arm_fir_lattice_instance_q15;
<>	129:0ab6a29f35bf	3959
<>	129:0ab6a29f35bf	3960	/**
<>	129:0ab6a29f35bf	3961	* @brief Instance structure for the Q31 FIR lattice filter.
<>	129:0ab6a29f35bf	3962	*/
<>	129:0ab6a29f35bf	3963
<>	129:0ab6a29f35bf	3964	typedef struct
<>	129:0ab6a29f35bf	3965	{
<>	129:0ab6a29f35bf	3966	uint16_t numStages; /*< number of filter stages. /
<>	129:0ab6a29f35bf	3967	q31_t pState; /< points to the state variable array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3968	q31_t pCoeffs; /< points to the coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3969	} arm_fir_lattice_instance_q31;
<>	129:0ab6a29f35bf	3970
<>	129:0ab6a29f35bf	3971	/**
<>	129:0ab6a29f35bf	3972	* @brief Instance structure for the floating-point FIR lattice filter.
<>	129:0ab6a29f35bf	3973	*/
<>	129:0ab6a29f35bf	3974
<>	129:0ab6a29f35bf	3975	typedef struct
<>	129:0ab6a29f35bf	3976	{
<>	129:0ab6a29f35bf	3977	uint16_t numStages; /*< number of filter stages. /
<>	129:0ab6a29f35bf	3978	float32_t pState; /< points to the state variable array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3979	float32_t pCoeffs; /< points to the coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	3980	} arm_fir_lattice_instance_f32;
<>	129:0ab6a29f35bf	3981
<>	129:0ab6a29f35bf	3982	/**
<>	129:0ab6a29f35bf	3983	* @brief Initialization function for the Q15 FIR lattice filter.
<>	129:0ab6a29f35bf	3984	* @param[in] *S points to an instance of the Q15 FIR lattice structure.
<>	129:0ab6a29f35bf	3985	* @param[in] numStages number of filter stages.
<>	129:0ab6a29f35bf	3986	* @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	3987	* @param[in] *pState points to the state buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	3988	* @return none.
<>	129:0ab6a29f35bf	3989	*/
<>	129:0ab6a29f35bf	3990
<>	129:0ab6a29f35bf	3991	void arm_fir_lattice_init_q15(
<>	129:0ab6a29f35bf	3992	arm_fir_lattice_instance_q15 * S,
<>	129:0ab6a29f35bf	3993	uint16_t numStages,
<>	129:0ab6a29f35bf	3994	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	3995	q15_t * pState);
<>	129:0ab6a29f35bf	3996
<>	129:0ab6a29f35bf	3997
<>	129:0ab6a29f35bf	3998	/**
<>	129:0ab6a29f35bf	3999	* @brief Processing function for the Q15 FIR lattice filter.
<>	129:0ab6a29f35bf	4000	* @param[in] *S points to an instance of the Q15 FIR lattice structure.
<>	129:0ab6a29f35bf	4001	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4002	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	4003	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4004	* @return none.
<>	129:0ab6a29f35bf	4005	*/
<>	129:0ab6a29f35bf	4006	void arm_fir_lattice_q15(
<>	129:0ab6a29f35bf	4007	const arm_fir_lattice_instance_q15 * S,
<>	129:0ab6a29f35bf	4008	q15_t * pSrc,
<>	129:0ab6a29f35bf	4009	q15_t * pDst,
<>	129:0ab6a29f35bf	4010	uint32_t blockSize);
<>	129:0ab6a29f35bf	4011
<>	129:0ab6a29f35bf	4012	/**
<>	129:0ab6a29f35bf	4013	* @brief Initialization function for the Q31 FIR lattice filter.
<>	129:0ab6a29f35bf	4014	* @param[in] *S points to an instance of the Q31 FIR lattice structure.
<>	129:0ab6a29f35bf	4015	* @param[in] numStages number of filter stages.
<>	129:0ab6a29f35bf	4016	* @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4017	* @param[in] *pState points to the state buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4018	* @return none.
<>	129:0ab6a29f35bf	4019	*/
<>	129:0ab6a29f35bf	4020
<>	129:0ab6a29f35bf	4021	void arm_fir_lattice_init_q31(
<>	129:0ab6a29f35bf	4022	arm_fir_lattice_instance_q31 * S,
<>	129:0ab6a29f35bf	4023	uint16_t numStages,
<>	129:0ab6a29f35bf	4024	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	4025	q31_t * pState);
<>	129:0ab6a29f35bf	4026
<>	129:0ab6a29f35bf	4027
<>	129:0ab6a29f35bf	4028	/**
<>	129:0ab6a29f35bf	4029	* @brief Processing function for the Q31 FIR lattice filter.
<>	129:0ab6a29f35bf	4030	* @param[in] *S points to an instance of the Q31 FIR lattice structure.
<>	129:0ab6a29f35bf	4031	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4032	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4033	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4034	* @return none.
<>	129:0ab6a29f35bf	4035	*/
<>	129:0ab6a29f35bf	4036
<>	129:0ab6a29f35bf	4037	void arm_fir_lattice_q31(
<>	129:0ab6a29f35bf	4038	const arm_fir_lattice_instance_q31 * S,
<>	129:0ab6a29f35bf	4039	q31_t * pSrc,
<>	129:0ab6a29f35bf	4040	q31_t * pDst,
<>	129:0ab6a29f35bf	4041	uint32_t blockSize);
<>	129:0ab6a29f35bf	4042
<>	129:0ab6a29f35bf	4043	/**
<>	129:0ab6a29f35bf	4044	* @brief Initialization function for the floating-point FIR lattice filter.
<>	129:0ab6a29f35bf	4045	* @param[in] *S points to an instance of the floating-point FIR lattice structure.
<>	129:0ab6a29f35bf	4046	* @param[in] numStages number of filter stages.
<>	129:0ab6a29f35bf	4047	* @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4048	* @param[in] *pState points to the state buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4049	* @return none.
<>	129:0ab6a29f35bf	4050	*/
<>	129:0ab6a29f35bf	4051
<>	129:0ab6a29f35bf	4052	void arm_fir_lattice_init_f32(
<>	129:0ab6a29f35bf	4053	arm_fir_lattice_instance_f32 * S,
<>	129:0ab6a29f35bf	4054	uint16_t numStages,
<>	129:0ab6a29f35bf	4055	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	4056	float32_t * pState);
<>	129:0ab6a29f35bf	4057
<>	129:0ab6a29f35bf	4058	/**
<>	129:0ab6a29f35bf	4059	* @brief Processing function for the floating-point FIR lattice filter.
<>	129:0ab6a29f35bf	4060	* @param[in] *S points to an instance of the floating-point FIR lattice structure.
<>	129:0ab6a29f35bf	4061	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4062	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4063	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4064	* @return none.
<>	129:0ab6a29f35bf	4065	*/
<>	129:0ab6a29f35bf	4066
<>	129:0ab6a29f35bf	4067	void arm_fir_lattice_f32(
<>	129:0ab6a29f35bf	4068	const arm_fir_lattice_instance_f32 * S,
<>	129:0ab6a29f35bf	4069	float32_t * pSrc,
<>	129:0ab6a29f35bf	4070	float32_t * pDst,
<>	129:0ab6a29f35bf	4071	uint32_t blockSize);
<>	129:0ab6a29f35bf	4072
<>	129:0ab6a29f35bf	4073	/**
<>	129:0ab6a29f35bf	4074	* @brief Instance structure for the Q15 IIR lattice filter.
<>	129:0ab6a29f35bf	4075	*/
<>	129:0ab6a29f35bf	4076	typedef struct
<>	129:0ab6a29f35bf	4077	{
<>	129:0ab6a29f35bf	4078	uint16_t numStages; /*< number of stages in the filter. /
<>	129:0ab6a29f35bf	4079	q15_t pState; /< points to the state variable array. The array is of length numStages+blockSize. /
<>	129:0ab6a29f35bf	4080	q15_t pkCoeffs; /< points to the reflection coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	4081	q15_t pvCoeffs; /< points to the ladder coefficient array. The array is of length numStages+1. /
<>	129:0ab6a29f35bf	4082	} arm_iir_lattice_instance_q15;
<>	129:0ab6a29f35bf	4083
<>	129:0ab6a29f35bf	4084	/**
<>	129:0ab6a29f35bf	4085	* @brief Instance structure for the Q31 IIR lattice filter.
<>	129:0ab6a29f35bf	4086	*/
<>	129:0ab6a29f35bf	4087	typedef struct
<>	129:0ab6a29f35bf	4088	{
<>	129:0ab6a29f35bf	4089	uint16_t numStages; /*< number of stages in the filter. /
<>	129:0ab6a29f35bf	4090	q31_t pState; /< points to the state variable array. The array is of length numStages+blockSize. /
<>	129:0ab6a29f35bf	4091	q31_t pkCoeffs; /< points to the reflection coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	4092	q31_t pvCoeffs; /< points to the ladder coefficient array. The array is of length numStages+1. /
<>	129:0ab6a29f35bf	4093	} arm_iir_lattice_instance_q31;
<>	129:0ab6a29f35bf	4094
<>	129:0ab6a29f35bf	4095	/**
<>	129:0ab6a29f35bf	4096	* @brief Instance structure for the floating-point IIR lattice filter.
<>	129:0ab6a29f35bf	4097	*/
<>	129:0ab6a29f35bf	4098	typedef struct
<>	129:0ab6a29f35bf	4099	{
<>	129:0ab6a29f35bf	4100	uint16_t numStages; /*< number of stages in the filter. /
<>	129:0ab6a29f35bf	4101	float32_t pState; /< points to the state variable array. The array is of length numStages+blockSize. /
<>	129:0ab6a29f35bf	4102	float32_t pkCoeffs; /< points to the reflection coefficient array. The array is of length numStages. /
<>	129:0ab6a29f35bf	4103	float32_t pvCoeffs; /< points to the ladder coefficient array. The array is of length numStages+1. /
<>	129:0ab6a29f35bf	4104	} arm_iir_lattice_instance_f32;
<>	129:0ab6a29f35bf	4105
<>	129:0ab6a29f35bf	4106	/**
<>	129:0ab6a29f35bf	4107	* @brief Processing function for the floating-point IIR lattice filter.
<>	129:0ab6a29f35bf	4108	* @param[in] *S points to an instance of the floating-point IIR lattice structure.
<>	129:0ab6a29f35bf	4109	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4110	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	4111	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4112	* @return none.
<>	129:0ab6a29f35bf	4113	*/
<>	129:0ab6a29f35bf	4114
<>	129:0ab6a29f35bf	4115	void arm_iir_lattice_f32(
<>	129:0ab6a29f35bf	4116	const arm_iir_lattice_instance_f32 * S,
<>	129:0ab6a29f35bf	4117	float32_t * pSrc,
<>	129:0ab6a29f35bf	4118	float32_t * pDst,
<>	129:0ab6a29f35bf	4119	uint32_t blockSize);
<>	129:0ab6a29f35bf	4120
<>	129:0ab6a29f35bf	4121	/**
<>	129:0ab6a29f35bf	4122	* @brief Initialization function for the floating-point IIR lattice filter.
<>	129:0ab6a29f35bf	4123	* @param[in] *S points to an instance of the floating-point IIR lattice structure.
<>	129:0ab6a29f35bf	4124	* @param[in] numStages number of stages in the filter.
<>	129:0ab6a29f35bf	4125	* @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4126	* @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
<>	129:0ab6a29f35bf	4127	* @param[in] *pState points to the state buffer. The array is of length numStages+blockSize-1.
<>	129:0ab6a29f35bf	4128	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4129	* @return none.
<>	129:0ab6a29f35bf	4130	*/
<>	129:0ab6a29f35bf	4131
<>	129:0ab6a29f35bf	4132	void arm_iir_lattice_init_f32(
<>	129:0ab6a29f35bf	4133	arm_iir_lattice_instance_f32 * S,
<>	129:0ab6a29f35bf	4134	uint16_t numStages,
<>	129:0ab6a29f35bf	4135	float32_t * pkCoeffs,
<>	129:0ab6a29f35bf	4136	float32_t * pvCoeffs,
<>	129:0ab6a29f35bf	4137	float32_t * pState,
<>	129:0ab6a29f35bf	4138	uint32_t blockSize);
<>	129:0ab6a29f35bf	4139
<>	129:0ab6a29f35bf	4140
<>	129:0ab6a29f35bf	4141	/**
<>	129:0ab6a29f35bf	4142	* @brief Processing function for the Q31 IIR lattice filter.
<>	129:0ab6a29f35bf	4143	* @param[in] *S points to an instance of the Q31 IIR lattice structure.
<>	129:0ab6a29f35bf	4144	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4145	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	4146	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4147	* @return none.
<>	129:0ab6a29f35bf	4148	*/
<>	129:0ab6a29f35bf	4149
<>	129:0ab6a29f35bf	4150	void arm_iir_lattice_q31(
<>	129:0ab6a29f35bf	4151	const arm_iir_lattice_instance_q31 * S,
<>	129:0ab6a29f35bf	4152	q31_t * pSrc,
<>	129:0ab6a29f35bf	4153	q31_t * pDst,
<>	129:0ab6a29f35bf	4154	uint32_t blockSize);
<>	129:0ab6a29f35bf	4155
<>	129:0ab6a29f35bf	4156
<>	129:0ab6a29f35bf	4157	/**
<>	129:0ab6a29f35bf	4158	* @brief Initialization function for the Q31 IIR lattice filter.
<>	129:0ab6a29f35bf	4159	* @param[in] *S points to an instance of the Q31 IIR lattice structure.
<>	129:0ab6a29f35bf	4160	* @param[in] numStages number of stages in the filter.
<>	129:0ab6a29f35bf	4161	* @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4162	* @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
<>	129:0ab6a29f35bf	4163	* @param[in] *pState points to the state buffer. The array is of length numStages+blockSize.
<>	129:0ab6a29f35bf	4164	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4165	* @return none.
<>	129:0ab6a29f35bf	4166	*/
<>	129:0ab6a29f35bf	4167
<>	129:0ab6a29f35bf	4168	void arm_iir_lattice_init_q31(
<>	129:0ab6a29f35bf	4169	arm_iir_lattice_instance_q31 * S,
<>	129:0ab6a29f35bf	4170	uint16_t numStages,
<>	129:0ab6a29f35bf	4171	q31_t * pkCoeffs,
<>	129:0ab6a29f35bf	4172	q31_t * pvCoeffs,
<>	129:0ab6a29f35bf	4173	q31_t * pState,
<>	129:0ab6a29f35bf	4174	uint32_t blockSize);
<>	129:0ab6a29f35bf	4175
<>	129:0ab6a29f35bf	4176
<>	129:0ab6a29f35bf	4177	/**
<>	129:0ab6a29f35bf	4178	* @brief Processing function for the Q15 IIR lattice filter.
<>	129:0ab6a29f35bf	4179	* @param[in] *S points to an instance of the Q15 IIR lattice structure.
<>	129:0ab6a29f35bf	4180	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4181	* @param[out] *pDst points to the block of output data.
<>	129:0ab6a29f35bf	4182	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4183	* @return none.
<>	129:0ab6a29f35bf	4184	*/
<>	129:0ab6a29f35bf	4185
<>	129:0ab6a29f35bf	4186	void arm_iir_lattice_q15(
<>	129:0ab6a29f35bf	4187	const arm_iir_lattice_instance_q15 * S,
<>	129:0ab6a29f35bf	4188	q15_t * pSrc,
<>	129:0ab6a29f35bf	4189	q15_t * pDst,
<>	129:0ab6a29f35bf	4190	uint32_t blockSize);
<>	129:0ab6a29f35bf	4191
<>	129:0ab6a29f35bf	4192
<>	129:0ab6a29f35bf	4193	/**
<>	129:0ab6a29f35bf	4194	* @brief Initialization function for the Q15 IIR lattice filter.
<>	129:0ab6a29f35bf	4195	* @param[in] *S points to an instance of the fixed-point Q15 IIR lattice structure.
<>	129:0ab6a29f35bf	4196	* @param[in] numStages number of stages in the filter.
<>	129:0ab6a29f35bf	4197	* @param[in] *pkCoeffs points to reflection coefficient buffer. The array is of length numStages.
<>	129:0ab6a29f35bf	4198	* @param[in] *pvCoeffs points to ladder coefficient buffer. The array is of length numStages+1.
<>	129:0ab6a29f35bf	4199	* @param[in] *pState points to state buffer. The array is of length numStages+blockSize.
<>	129:0ab6a29f35bf	4200	* @param[in] blockSize number of samples to process per call.
<>	129:0ab6a29f35bf	4201	* @return none.
<>	129:0ab6a29f35bf	4202	*/
<>	129:0ab6a29f35bf	4203
<>	129:0ab6a29f35bf	4204	void arm_iir_lattice_init_q15(
<>	129:0ab6a29f35bf	4205	arm_iir_lattice_instance_q15 * S,
<>	129:0ab6a29f35bf	4206	uint16_t numStages,
<>	129:0ab6a29f35bf	4207	q15_t * pkCoeffs,
<>	129:0ab6a29f35bf	4208	q15_t * pvCoeffs,
<>	129:0ab6a29f35bf	4209	q15_t * pState,
<>	129:0ab6a29f35bf	4210	uint32_t blockSize);
<>	129:0ab6a29f35bf	4211
<>	129:0ab6a29f35bf	4212	/**
<>	129:0ab6a29f35bf	4213	* @brief Instance structure for the floating-point LMS filter.
<>	129:0ab6a29f35bf	4214	*/
<>	129:0ab6a29f35bf	4215
<>	129:0ab6a29f35bf	4216	typedef struct
<>	129:0ab6a29f35bf	4217	{
<>	129:0ab6a29f35bf	4218	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4219	float32_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4220	float32_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4221	float32_t mu; /*< step size that controls filter coefficient updates. /
<>	129:0ab6a29f35bf	4222	} arm_lms_instance_f32;
<>	129:0ab6a29f35bf	4223
<>	129:0ab6a29f35bf	4224	/**
<>	129:0ab6a29f35bf	4225	* @brief Processing function for floating-point LMS filter.
<>	129:0ab6a29f35bf	4226	* @param[in] *S points to an instance of the floating-point LMS filter structure.
<>	129:0ab6a29f35bf	4227	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4228	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4229	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4230	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4231	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4232	* @return none.
<>	129:0ab6a29f35bf	4233	*/
<>	129:0ab6a29f35bf	4234
<>	129:0ab6a29f35bf	4235	void arm_lms_f32(
<>	129:0ab6a29f35bf	4236	const arm_lms_instance_f32 * S,
<>	129:0ab6a29f35bf	4237	float32_t * pSrc,
<>	129:0ab6a29f35bf	4238	float32_t * pRef,
<>	129:0ab6a29f35bf	4239	float32_t * pOut,
<>	129:0ab6a29f35bf	4240	float32_t * pErr,
<>	129:0ab6a29f35bf	4241	uint32_t blockSize);
<>	129:0ab6a29f35bf	4242
<>	129:0ab6a29f35bf	4243	/**
<>	129:0ab6a29f35bf	4244	* @brief Initialization function for floating-point LMS filter.
<>	129:0ab6a29f35bf	4245	* @param[in] *S points to an instance of the floating-point LMS filter structure.
<>	129:0ab6a29f35bf	4246	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4247	* @param[in] *pCoeffs points to the coefficient buffer.
<>	129:0ab6a29f35bf	4248	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	4249	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4250	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4251	* @return none.
<>	129:0ab6a29f35bf	4252	*/
<>	129:0ab6a29f35bf	4253
<>	129:0ab6a29f35bf	4254	void arm_lms_init_f32(
<>	129:0ab6a29f35bf	4255	arm_lms_instance_f32 * S,
<>	129:0ab6a29f35bf	4256	uint16_t numTaps,
<>	129:0ab6a29f35bf	4257	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	4258	float32_t * pState,
<>	129:0ab6a29f35bf	4259	float32_t mu,
<>	129:0ab6a29f35bf	4260	uint32_t blockSize);
<>	129:0ab6a29f35bf	4261
<>	129:0ab6a29f35bf	4262	/**
<>	129:0ab6a29f35bf	4263	* @brief Instance structure for the Q15 LMS filter.
<>	129:0ab6a29f35bf	4264	*/
<>	129:0ab6a29f35bf	4265
<>	129:0ab6a29f35bf	4266	typedef struct
<>	129:0ab6a29f35bf	4267	{
<>	129:0ab6a29f35bf	4268	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4269	q15_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4270	q15_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4271	q15_t mu; /*< step size that controls filter coefficient updates. /
<>	129:0ab6a29f35bf	4272	uint32_t postShift; /*< bit shift applied to coefficients. /
<>	129:0ab6a29f35bf	4273	} arm_lms_instance_q15;
<>	129:0ab6a29f35bf	4274
<>	129:0ab6a29f35bf	4275
<>	129:0ab6a29f35bf	4276	/**
<>	129:0ab6a29f35bf	4277	* @brief Initialization function for the Q15 LMS filter.
<>	129:0ab6a29f35bf	4278	* @param[in] *S points to an instance of the Q15 LMS filter structure.
<>	129:0ab6a29f35bf	4279	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4280	* @param[in] *pCoeffs points to the coefficient buffer.
<>	129:0ab6a29f35bf	4281	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	4282	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4283	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4284	* @param[in] postShift bit shift applied to coefficients.
<>	129:0ab6a29f35bf	4285	* @return none.
<>	129:0ab6a29f35bf	4286	*/
<>	129:0ab6a29f35bf	4287
<>	129:0ab6a29f35bf	4288	void arm_lms_init_q15(
<>	129:0ab6a29f35bf	4289	arm_lms_instance_q15 * S,
<>	129:0ab6a29f35bf	4290	uint16_t numTaps,
<>	129:0ab6a29f35bf	4291	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	4292	q15_t * pState,
<>	129:0ab6a29f35bf	4293	q15_t mu,
<>	129:0ab6a29f35bf	4294	uint32_t blockSize,
<>	129:0ab6a29f35bf	4295	uint32_t postShift);
<>	129:0ab6a29f35bf	4296
<>	129:0ab6a29f35bf	4297	/**
<>	129:0ab6a29f35bf	4298	* @brief Processing function for Q15 LMS filter.
<>	129:0ab6a29f35bf	4299	* @param[in] *S points to an instance of the Q15 LMS filter structure.
<>	129:0ab6a29f35bf	4300	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4301	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4302	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4303	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4304	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4305	* @return none.
<>	129:0ab6a29f35bf	4306	*/
<>	129:0ab6a29f35bf	4307
<>	129:0ab6a29f35bf	4308	void arm_lms_q15(
<>	129:0ab6a29f35bf	4309	const arm_lms_instance_q15 * S,
<>	129:0ab6a29f35bf	4310	q15_t * pSrc,
<>	129:0ab6a29f35bf	4311	q15_t * pRef,
<>	129:0ab6a29f35bf	4312	q15_t * pOut,
<>	129:0ab6a29f35bf	4313	q15_t * pErr,
<>	129:0ab6a29f35bf	4314	uint32_t blockSize);
<>	129:0ab6a29f35bf	4315
<>	129:0ab6a29f35bf	4316
<>	129:0ab6a29f35bf	4317	/**
<>	129:0ab6a29f35bf	4318	* @brief Instance structure for the Q31 LMS filter.
<>	129:0ab6a29f35bf	4319	*/
<>	129:0ab6a29f35bf	4320
<>	129:0ab6a29f35bf	4321	typedef struct
<>	129:0ab6a29f35bf	4322	{
<>	129:0ab6a29f35bf	4323	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4324	q31_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4325	q31_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4326	q31_t mu; /*< step size that controls filter coefficient updates. /
<>	129:0ab6a29f35bf	4327	uint32_t postShift; /*< bit shift applied to coefficients. /
<>	129:0ab6a29f35bf	4328
<>	129:0ab6a29f35bf	4329	} arm_lms_instance_q31;
<>	129:0ab6a29f35bf	4330
<>	129:0ab6a29f35bf	4331	/**
<>	129:0ab6a29f35bf	4332	* @brief Processing function for Q31 LMS filter.
<>	129:0ab6a29f35bf	4333	* @param[in] *S points to an instance of the Q15 LMS filter structure.
<>	129:0ab6a29f35bf	4334	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4335	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4336	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4337	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4338	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4339	* @return none.
<>	129:0ab6a29f35bf	4340	*/
<>	129:0ab6a29f35bf	4341
<>	129:0ab6a29f35bf	4342	void arm_lms_q31(
<>	129:0ab6a29f35bf	4343	const arm_lms_instance_q31 * S,
<>	129:0ab6a29f35bf	4344	q31_t * pSrc,
<>	129:0ab6a29f35bf	4345	q31_t * pRef,
<>	129:0ab6a29f35bf	4346	q31_t * pOut,
<>	129:0ab6a29f35bf	4347	q31_t * pErr,
<>	129:0ab6a29f35bf	4348	uint32_t blockSize);
<>	129:0ab6a29f35bf	4349
<>	129:0ab6a29f35bf	4350	/**
<>	129:0ab6a29f35bf	4351	* @brief Initialization function for Q31 LMS filter.
<>	129:0ab6a29f35bf	4352	* @param[in] *S points to an instance of the Q31 LMS filter structure.
<>	129:0ab6a29f35bf	4353	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4354	* @param[in] *pCoeffs points to coefficient buffer.
<>	129:0ab6a29f35bf	4355	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	4356	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4357	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4358	* @param[in] postShift bit shift applied to coefficients.
<>	129:0ab6a29f35bf	4359	* @return none.
<>	129:0ab6a29f35bf	4360	*/
<>	129:0ab6a29f35bf	4361
<>	129:0ab6a29f35bf	4362	void arm_lms_init_q31(
<>	129:0ab6a29f35bf	4363	arm_lms_instance_q31 * S,
<>	129:0ab6a29f35bf	4364	uint16_t numTaps,
<>	129:0ab6a29f35bf	4365	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	4366	q31_t * pState,
<>	129:0ab6a29f35bf	4367	q31_t mu,
<>	129:0ab6a29f35bf	4368	uint32_t blockSize,
<>	129:0ab6a29f35bf	4369	uint32_t postShift);
<>	129:0ab6a29f35bf	4370
<>	129:0ab6a29f35bf	4371	/**
<>	129:0ab6a29f35bf	4372	* @brief Instance structure for the floating-point normalized LMS filter.
<>	129:0ab6a29f35bf	4373	*/
<>	129:0ab6a29f35bf	4374
<>	129:0ab6a29f35bf	4375	typedef struct
<>	129:0ab6a29f35bf	4376	{
<>	129:0ab6a29f35bf	4377	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4378	float32_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4379	float32_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4380	float32_t mu; /*< step size that control filter coefficient updates. /
<>	129:0ab6a29f35bf	4381	float32_t energy; /*< saves previous frame energy. /
<>	129:0ab6a29f35bf	4382	float32_t x0; /*< saves previous input sample. /
<>	129:0ab6a29f35bf	4383	} arm_lms_norm_instance_f32;
<>	129:0ab6a29f35bf	4384
<>	129:0ab6a29f35bf	4385	/**
<>	129:0ab6a29f35bf	4386	* @brief Processing function for floating-point normalized LMS filter.
<>	129:0ab6a29f35bf	4387	* @param[in] *S points to an instance of the floating-point normalized LMS filter structure.
<>	129:0ab6a29f35bf	4388	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4389	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4390	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4391	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4392	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4393	* @return none.
<>	129:0ab6a29f35bf	4394	*/
<>	129:0ab6a29f35bf	4395
<>	129:0ab6a29f35bf	4396	void arm_lms_norm_f32(
<>	129:0ab6a29f35bf	4397	arm_lms_norm_instance_f32 * S,
<>	129:0ab6a29f35bf	4398	float32_t * pSrc,
<>	129:0ab6a29f35bf	4399	float32_t * pRef,
<>	129:0ab6a29f35bf	4400	float32_t * pOut,
<>	129:0ab6a29f35bf	4401	float32_t * pErr,
<>	129:0ab6a29f35bf	4402	uint32_t blockSize);
<>	129:0ab6a29f35bf	4403
<>	129:0ab6a29f35bf	4404	/**
<>	129:0ab6a29f35bf	4405	* @brief Initialization function for floating-point normalized LMS filter.
<>	129:0ab6a29f35bf	4406	* @param[in] *S points to an instance of the floating-point LMS filter structure.
<>	129:0ab6a29f35bf	4407	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4408	* @param[in] *pCoeffs points to coefficient buffer.
<>	129:0ab6a29f35bf	4409	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	4410	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4411	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4412	* @return none.
<>	129:0ab6a29f35bf	4413	*/
<>	129:0ab6a29f35bf	4414
<>	129:0ab6a29f35bf	4415	void arm_lms_norm_init_f32(
<>	129:0ab6a29f35bf	4416	arm_lms_norm_instance_f32 * S,
<>	129:0ab6a29f35bf	4417	uint16_t numTaps,
<>	129:0ab6a29f35bf	4418	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	4419	float32_t * pState,
<>	129:0ab6a29f35bf	4420	float32_t mu,
<>	129:0ab6a29f35bf	4421	uint32_t blockSize);
<>	129:0ab6a29f35bf	4422
<>	129:0ab6a29f35bf	4423
<>	129:0ab6a29f35bf	4424	/**
<>	129:0ab6a29f35bf	4425	* @brief Instance structure for the Q31 normalized LMS filter.
<>	129:0ab6a29f35bf	4426	*/
<>	129:0ab6a29f35bf	4427	typedef struct
<>	129:0ab6a29f35bf	4428	{
<>	129:0ab6a29f35bf	4429	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4430	q31_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4431	q31_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4432	q31_t mu; /*< step size that controls filter coefficient updates. /
<>	129:0ab6a29f35bf	4433	uint8_t postShift; /*< bit shift applied to coefficients. /
<>	129:0ab6a29f35bf	4434	q31_t recipTable; /< points to the reciprocal initial value table. /
<>	129:0ab6a29f35bf	4435	q31_t energy; /*< saves previous frame energy. /
<>	129:0ab6a29f35bf	4436	q31_t x0; /*< saves previous input sample. /
<>	129:0ab6a29f35bf	4437	} arm_lms_norm_instance_q31;
<>	129:0ab6a29f35bf	4438
<>	129:0ab6a29f35bf	4439	/**
<>	129:0ab6a29f35bf	4440	* @brief Processing function for Q31 normalized LMS filter.
<>	129:0ab6a29f35bf	4441	* @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
<>	129:0ab6a29f35bf	4442	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4443	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4444	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4445	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4446	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4447	* @return none.
<>	129:0ab6a29f35bf	4448	*/
<>	129:0ab6a29f35bf	4449
<>	129:0ab6a29f35bf	4450	void arm_lms_norm_q31(
<>	129:0ab6a29f35bf	4451	arm_lms_norm_instance_q31 * S,
<>	129:0ab6a29f35bf	4452	q31_t * pSrc,
<>	129:0ab6a29f35bf	4453	q31_t * pRef,
<>	129:0ab6a29f35bf	4454	q31_t * pOut,
<>	129:0ab6a29f35bf	4455	q31_t * pErr,
<>	129:0ab6a29f35bf	4456	uint32_t blockSize);
<>	129:0ab6a29f35bf	4457
<>	129:0ab6a29f35bf	4458	/**
<>	129:0ab6a29f35bf	4459	* @brief Initialization function for Q31 normalized LMS filter.
<>	129:0ab6a29f35bf	4460	* @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
<>	129:0ab6a29f35bf	4461	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4462	* @param[in] *pCoeffs points to coefficient buffer.
<>	129:0ab6a29f35bf	4463	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	4464	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4465	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4466	* @param[in] postShift bit shift applied to coefficients.
<>	129:0ab6a29f35bf	4467	* @return none.
<>	129:0ab6a29f35bf	4468	*/
<>	129:0ab6a29f35bf	4469
<>	129:0ab6a29f35bf	4470	void arm_lms_norm_init_q31(
<>	129:0ab6a29f35bf	4471	arm_lms_norm_instance_q31 * S,
<>	129:0ab6a29f35bf	4472	uint16_t numTaps,
<>	129:0ab6a29f35bf	4473	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	4474	q31_t * pState,
<>	129:0ab6a29f35bf	4475	q31_t mu,
<>	129:0ab6a29f35bf	4476	uint32_t blockSize,
<>	129:0ab6a29f35bf	4477	uint8_t postShift);
<>	129:0ab6a29f35bf	4478
<>	129:0ab6a29f35bf	4479	/**
<>	129:0ab6a29f35bf	4480	* @brief Instance structure for the Q15 normalized LMS filter.
<>	129:0ab6a29f35bf	4481	*/
<>	129:0ab6a29f35bf	4482
<>	129:0ab6a29f35bf	4483	typedef struct
<>	129:0ab6a29f35bf	4484	{
<>	129:0ab6a29f35bf	4485	uint16_t numTaps; /*< Number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4486	q15_t pState; /< points to the state variable array. The array is of length numTaps+blockSize-1. /
<>	129:0ab6a29f35bf	4487	q15_t pCoeffs; /< points to the coefficient array. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4488	q15_t mu; /*< step size that controls filter coefficient updates. /
<>	129:0ab6a29f35bf	4489	uint8_t postShift; /*< bit shift applied to coefficients. /
<>	129:0ab6a29f35bf	4490	q15_t recipTable; /< Points to the reciprocal initial value table. /
<>	129:0ab6a29f35bf	4491	q15_t energy; /*< saves previous frame energy. /
<>	129:0ab6a29f35bf	4492	q15_t x0; /*< saves previous input sample. /
<>	129:0ab6a29f35bf	4493	} arm_lms_norm_instance_q15;
<>	129:0ab6a29f35bf	4494
<>	129:0ab6a29f35bf	4495	/**
<>	129:0ab6a29f35bf	4496	* @brief Processing function for Q15 normalized LMS filter.
<>	129:0ab6a29f35bf	4497	* @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
<>	129:0ab6a29f35bf	4498	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4499	* @param[in] *pRef points to the block of reference data.
<>	129:0ab6a29f35bf	4500	* @param[out] *pOut points to the block of output data.
<>	129:0ab6a29f35bf	4501	* @param[out] *pErr points to the block of error data.
<>	129:0ab6a29f35bf	4502	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4503	* @return none.
<>	129:0ab6a29f35bf	4504	*/
<>	129:0ab6a29f35bf	4505
<>	129:0ab6a29f35bf	4506	void arm_lms_norm_q15(
<>	129:0ab6a29f35bf	4507	arm_lms_norm_instance_q15 * S,
<>	129:0ab6a29f35bf	4508	q15_t * pSrc,
<>	129:0ab6a29f35bf	4509	q15_t * pRef,
<>	129:0ab6a29f35bf	4510	q15_t * pOut,
<>	129:0ab6a29f35bf	4511	q15_t * pErr,
<>	129:0ab6a29f35bf	4512	uint32_t blockSize);
<>	129:0ab6a29f35bf	4513
<>	129:0ab6a29f35bf	4514
<>	129:0ab6a29f35bf	4515	/**
<>	129:0ab6a29f35bf	4516	* @brief Initialization function for Q15 normalized LMS filter.
<>	129:0ab6a29f35bf	4517	* @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
<>	129:0ab6a29f35bf	4518	* @param[in] numTaps number of filter coefficients.
<>	129:0ab6a29f35bf	4519	* @param[in] *pCoeffs points to coefficient buffer.
<>	129:0ab6a29f35bf	4520	* @param[in] *pState points to state buffer.
<>	129:0ab6a29f35bf	4521	* @param[in] mu step size that controls filter coefficient updates.
<>	129:0ab6a29f35bf	4522	* @param[in] blockSize number of samples to process.
<>	129:0ab6a29f35bf	4523	* @param[in] postShift bit shift applied to coefficients.
<>	129:0ab6a29f35bf	4524	* @return none.
<>	129:0ab6a29f35bf	4525	*/
<>	129:0ab6a29f35bf	4526
<>	129:0ab6a29f35bf	4527	void arm_lms_norm_init_q15(
<>	129:0ab6a29f35bf	4528	arm_lms_norm_instance_q15 * S,
<>	129:0ab6a29f35bf	4529	uint16_t numTaps,
<>	129:0ab6a29f35bf	4530	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	4531	q15_t * pState,
<>	129:0ab6a29f35bf	4532	q15_t mu,
<>	129:0ab6a29f35bf	4533	uint32_t blockSize,
<>	129:0ab6a29f35bf	4534	uint8_t postShift);
<>	129:0ab6a29f35bf	4535
<>	129:0ab6a29f35bf	4536	/**
<>	129:0ab6a29f35bf	4537	* @brief Correlation of floating-point sequences.
<>	129:0ab6a29f35bf	4538	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4539	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4540	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4541	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4542	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4543	* @return none.
<>	129:0ab6a29f35bf	4544	*/
<>	129:0ab6a29f35bf	4545
<>	129:0ab6a29f35bf	4546	void arm_correlate_f32(
<>	129:0ab6a29f35bf	4547	float32_t * pSrcA,
<>	129:0ab6a29f35bf	4548	uint32_t srcALen,
<>	129:0ab6a29f35bf	4549	float32_t * pSrcB,
<>	129:0ab6a29f35bf	4550	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4551	float32_t * pDst);
<>	129:0ab6a29f35bf	4552
<>	129:0ab6a29f35bf	4553
<>	129:0ab6a29f35bf	4554	/**
<>	129:0ab6a29f35bf	4555	* @brief Correlation of Q15 sequences
<>	129:0ab6a29f35bf	4556	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4557	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4558	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4559	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4560	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4561	* @param[in] pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	4562	* @return none.
<>	129:0ab6a29f35bf	4563	*/
<>	129:0ab6a29f35bf	4564	void arm_correlate_opt_q15(
<>	129:0ab6a29f35bf	4565	q15_t * pSrcA,
<>	129:0ab6a29f35bf	4566	uint32_t srcALen,
<>	129:0ab6a29f35bf	4567	q15_t * pSrcB,
<>	129:0ab6a29f35bf	4568	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4569	q15_t * pDst,
<>	129:0ab6a29f35bf	4570	q15_t * pScratch);
<>	129:0ab6a29f35bf	4571
<>	129:0ab6a29f35bf	4572
<>	129:0ab6a29f35bf	4573	/**
<>	129:0ab6a29f35bf	4574	* @brief Correlation of Q15 sequences.
<>	129:0ab6a29f35bf	4575	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4576	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4577	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4578	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4579	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4580	* @return none.
<>	129:0ab6a29f35bf	4581	*/
<>	129:0ab6a29f35bf	4582
<>	129:0ab6a29f35bf	4583	void arm_correlate_q15(
<>	129:0ab6a29f35bf	4584	q15_t * pSrcA,
<>	129:0ab6a29f35bf	4585	uint32_t srcALen,
<>	129:0ab6a29f35bf	4586	q15_t * pSrcB,
<>	129:0ab6a29f35bf	4587	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4588	q15_t * pDst);
<>	129:0ab6a29f35bf	4589
<>	129:0ab6a29f35bf	4590	/**
<>	129:0ab6a29f35bf	4591	* @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	4592	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4593	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4594	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4595	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4596	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4597	* @return none.
<>	129:0ab6a29f35bf	4598	*/
<>	129:0ab6a29f35bf	4599
<>	129:0ab6a29f35bf	4600	void arm_correlate_fast_q15(
<>	129:0ab6a29f35bf	4601	q15_t * pSrcA,
<>	129:0ab6a29f35bf	4602	uint32_t srcALen,
<>	129:0ab6a29f35bf	4603	q15_t * pSrcB,
<>	129:0ab6a29f35bf	4604	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4605	q15_t * pDst);
<>	129:0ab6a29f35bf	4606
<>	129:0ab6a29f35bf	4607
<>	129:0ab6a29f35bf	4608
<>	129:0ab6a29f35bf	4609	/**
<>	129:0ab6a29f35bf	4610	* @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
<>	129:0ab6a29f35bf	4611	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4612	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4613	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4614	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4615	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4616	* @param[in] pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	4617	* @return none.
<>	129:0ab6a29f35bf	4618	*/
<>	129:0ab6a29f35bf	4619
<>	129:0ab6a29f35bf	4620	void arm_correlate_fast_opt_q15(
<>	129:0ab6a29f35bf	4621	q15_t * pSrcA,
<>	129:0ab6a29f35bf	4622	uint32_t srcALen,
<>	129:0ab6a29f35bf	4623	q15_t * pSrcB,
<>	129:0ab6a29f35bf	4624	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4625	q15_t * pDst,
<>	129:0ab6a29f35bf	4626	q15_t * pScratch);
<>	129:0ab6a29f35bf	4627
<>	129:0ab6a29f35bf	4628	/**
<>	129:0ab6a29f35bf	4629	* @brief Correlation of Q31 sequences.
<>	129:0ab6a29f35bf	4630	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4631	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4632	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4633	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4634	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4635	* @return none.
<>	129:0ab6a29f35bf	4636	*/
<>	129:0ab6a29f35bf	4637
<>	129:0ab6a29f35bf	4638	void arm_correlate_q31(
<>	129:0ab6a29f35bf	4639	q31_t * pSrcA,
<>	129:0ab6a29f35bf	4640	uint32_t srcALen,
<>	129:0ab6a29f35bf	4641	q31_t * pSrcB,
<>	129:0ab6a29f35bf	4642	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4643	q31_t * pDst);
<>	129:0ab6a29f35bf	4644
<>	129:0ab6a29f35bf	4645	/**
<>	129:0ab6a29f35bf	4646	* @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
<>	129:0ab6a29f35bf	4647	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4648	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4649	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4650	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4651	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4652	* @return none.
<>	129:0ab6a29f35bf	4653	*/
<>	129:0ab6a29f35bf	4654
<>	129:0ab6a29f35bf	4655	void arm_correlate_fast_q31(
<>	129:0ab6a29f35bf	4656	q31_t * pSrcA,
<>	129:0ab6a29f35bf	4657	uint32_t srcALen,
<>	129:0ab6a29f35bf	4658	q31_t * pSrcB,
<>	129:0ab6a29f35bf	4659	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4660	q31_t * pDst);
<>	129:0ab6a29f35bf	4661
<>	129:0ab6a29f35bf	4662
<>	129:0ab6a29f35bf	4663
<>	129:0ab6a29f35bf	4664	/**
<>	129:0ab6a29f35bf	4665	* @brief Correlation of Q7 sequences.
<>	129:0ab6a29f35bf	4666	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4667	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4668	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4669	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4670	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4671	* @param[in] pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2min(srcALen, srcBLen) - 2.
<>	129:0ab6a29f35bf	4672	* @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
<>	129:0ab6a29f35bf	4673	* @return none.
<>	129:0ab6a29f35bf	4674	*/
<>	129:0ab6a29f35bf	4675
<>	129:0ab6a29f35bf	4676	void arm_correlate_opt_q7(
<>	129:0ab6a29f35bf	4677	q7_t * pSrcA,
<>	129:0ab6a29f35bf	4678	uint32_t srcALen,
<>	129:0ab6a29f35bf	4679	q7_t * pSrcB,
<>	129:0ab6a29f35bf	4680	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4681	q7_t * pDst,
<>	129:0ab6a29f35bf	4682	q15_t * pScratch1,
<>	129:0ab6a29f35bf	4683	q15_t * pScratch2);
<>	129:0ab6a29f35bf	4684
<>	129:0ab6a29f35bf	4685
<>	129:0ab6a29f35bf	4686	/**
<>	129:0ab6a29f35bf	4687	* @brief Correlation of Q7 sequences.
<>	129:0ab6a29f35bf	4688	* @param[in] *pSrcA points to the first input sequence.
<>	129:0ab6a29f35bf	4689	* @param[in] srcALen length of the first input sequence.
<>	129:0ab6a29f35bf	4690	* @param[in] *pSrcB points to the second input sequence.
<>	129:0ab6a29f35bf	4691	* @param[in] srcBLen length of the second input sequence.
<>	129:0ab6a29f35bf	4692	* @param[out] pDst points to the block of output data Length 2 max(srcALen, srcBLen) - 1.
<>	129:0ab6a29f35bf	4693	* @return none.
<>	129:0ab6a29f35bf	4694	*/
<>	129:0ab6a29f35bf	4695
<>	129:0ab6a29f35bf	4696	void arm_correlate_q7(
<>	129:0ab6a29f35bf	4697	q7_t * pSrcA,
<>	129:0ab6a29f35bf	4698	uint32_t srcALen,
<>	129:0ab6a29f35bf	4699	q7_t * pSrcB,
<>	129:0ab6a29f35bf	4700	uint32_t srcBLen,
<>	129:0ab6a29f35bf	4701	q7_t * pDst);
<>	129:0ab6a29f35bf	4702
<>	129:0ab6a29f35bf	4703
<>	129:0ab6a29f35bf	4704	/**
<>	129:0ab6a29f35bf	4705	* @brief Instance structure for the floating-point sparse FIR filter.
<>	129:0ab6a29f35bf	4706	*/
<>	129:0ab6a29f35bf	4707	typedef struct
<>	129:0ab6a29f35bf	4708	{
<>	129:0ab6a29f35bf	4709	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4710	uint16_t stateIndex; /*< state buffer index. Points to the oldest sample in the state buffer. /
<>	129:0ab6a29f35bf	4711	float32_t pState; /< points to the state buffer array. The array is of length maxDelay+blockSize-1. /
<>	129:0ab6a29f35bf	4712	float32_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	4713	uint16_t maxDelay; /*< maximum offset specified by the pTapDelay array. /
<>	129:0ab6a29f35bf	4714	int32_t pTapDelay; /< points to the array of delay values. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4715	} arm_fir_sparse_instance_f32;
<>	129:0ab6a29f35bf	4716
<>	129:0ab6a29f35bf	4717	/**
<>	129:0ab6a29f35bf	4718	* @brief Instance structure for the Q31 sparse FIR filter.
<>	129:0ab6a29f35bf	4719	*/
<>	129:0ab6a29f35bf	4720
<>	129:0ab6a29f35bf	4721	typedef struct
<>	129:0ab6a29f35bf	4722	{
<>	129:0ab6a29f35bf	4723	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4724	uint16_t stateIndex; /*< state buffer index. Points to the oldest sample in the state buffer. /
<>	129:0ab6a29f35bf	4725	q31_t pState; /< points to the state buffer array. The array is of length maxDelay+blockSize-1. /
<>	129:0ab6a29f35bf	4726	q31_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	4727	uint16_t maxDelay; /*< maximum offset specified by the pTapDelay array. /
<>	129:0ab6a29f35bf	4728	int32_t pTapDelay; /< points to the array of delay values. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4729	} arm_fir_sparse_instance_q31;
<>	129:0ab6a29f35bf	4730
<>	129:0ab6a29f35bf	4731	/**
<>	129:0ab6a29f35bf	4732	* @brief Instance structure for the Q15 sparse FIR filter.
<>	129:0ab6a29f35bf	4733	*/
<>	129:0ab6a29f35bf	4734
<>	129:0ab6a29f35bf	4735	typedef struct
<>	129:0ab6a29f35bf	4736	{
<>	129:0ab6a29f35bf	4737	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4738	uint16_t stateIndex; /*< state buffer index. Points to the oldest sample in the state buffer. /
<>	129:0ab6a29f35bf	4739	q15_t pState; /< points to the state buffer array. The array is of length maxDelay+blockSize-1. /
<>	129:0ab6a29f35bf	4740	q15_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	4741	uint16_t maxDelay; /*< maximum offset specified by the pTapDelay array. /
<>	129:0ab6a29f35bf	4742	int32_t pTapDelay; /< points to the array of delay values. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4743	} arm_fir_sparse_instance_q15;
<>	129:0ab6a29f35bf	4744
<>	129:0ab6a29f35bf	4745	/**
<>	129:0ab6a29f35bf	4746	* @brief Instance structure for the Q7 sparse FIR filter.
<>	129:0ab6a29f35bf	4747	*/
<>	129:0ab6a29f35bf	4748
<>	129:0ab6a29f35bf	4749	typedef struct
<>	129:0ab6a29f35bf	4750	{
<>	129:0ab6a29f35bf	4751	uint16_t numTaps; /*< number of coefficients in the filter. /
<>	129:0ab6a29f35bf	4752	uint16_t stateIndex; /*< state buffer index. Points to the oldest sample in the state buffer. /
<>	129:0ab6a29f35bf	4753	q7_t pState; /< points to the state buffer array. The array is of length maxDelay+blockSize-1. /
<>	129:0ab6a29f35bf	4754	q7_t pCoeffs; /< points to the coefficient array. The array is of length numTaps./
<>	129:0ab6a29f35bf	4755	uint16_t maxDelay; /*< maximum offset specified by the pTapDelay array. /
<>	129:0ab6a29f35bf	4756	int32_t pTapDelay; /< points to the array of delay values. The array is of length numTaps. /
<>	129:0ab6a29f35bf	4757	} arm_fir_sparse_instance_q7;
<>	129:0ab6a29f35bf	4758
<>	129:0ab6a29f35bf	4759	/**
<>	129:0ab6a29f35bf	4760	* @brief Processing function for the floating-point sparse FIR filter.
<>	129:0ab6a29f35bf	4761	* @param[in] *S points to an instance of the floating-point sparse FIR structure.
<>	129:0ab6a29f35bf	4762	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4763	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4764	* @param[in] *pScratchIn points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4765	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	4766	* @return none.
<>	129:0ab6a29f35bf	4767	*/
<>	129:0ab6a29f35bf	4768
<>	129:0ab6a29f35bf	4769	void arm_fir_sparse_f32(
<>	129:0ab6a29f35bf	4770	arm_fir_sparse_instance_f32 * S,
<>	129:0ab6a29f35bf	4771	float32_t * pSrc,
<>	129:0ab6a29f35bf	4772	float32_t * pDst,
<>	129:0ab6a29f35bf	4773	float32_t * pScratchIn,
<>	129:0ab6a29f35bf	4774	uint32_t blockSize);
<>	129:0ab6a29f35bf	4775
<>	129:0ab6a29f35bf	4776	/**
<>	129:0ab6a29f35bf	4777	* @brief Initialization function for the floating-point sparse FIR filter.
<>	129:0ab6a29f35bf	4778	* @param[in,out] *S points to an instance of the floating-point sparse FIR structure.
<>	129:0ab6a29f35bf	4779	* @param[in] numTaps number of nonzero coefficients in the filter.
<>	129:0ab6a29f35bf	4780	* @param[in] *pCoeffs points to the array of filter coefficients.
<>	129:0ab6a29f35bf	4781	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	4782	* @param[in] *pTapDelay points to the array of offset times.
<>	129:0ab6a29f35bf	4783	* @param[in] maxDelay maximum offset time supported.
<>	129:0ab6a29f35bf	4784	* @param[in] blockSize number of samples that will be processed per block.
<>	129:0ab6a29f35bf	4785	* @return none
<>	129:0ab6a29f35bf	4786	*/
<>	129:0ab6a29f35bf	4787
<>	129:0ab6a29f35bf	4788	void arm_fir_sparse_init_f32(
<>	129:0ab6a29f35bf	4789	arm_fir_sparse_instance_f32 * S,
<>	129:0ab6a29f35bf	4790	uint16_t numTaps,
<>	129:0ab6a29f35bf	4791	float32_t * pCoeffs,
<>	129:0ab6a29f35bf	4792	float32_t * pState,
<>	129:0ab6a29f35bf	4793	int32_t * pTapDelay,
<>	129:0ab6a29f35bf	4794	uint16_t maxDelay,
<>	129:0ab6a29f35bf	4795	uint32_t blockSize);
<>	129:0ab6a29f35bf	4796
<>	129:0ab6a29f35bf	4797	/**
<>	129:0ab6a29f35bf	4798	* @brief Processing function for the Q31 sparse FIR filter.
<>	129:0ab6a29f35bf	4799	* @param[in] *S points to an instance of the Q31 sparse FIR structure.
<>	129:0ab6a29f35bf	4800	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4801	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4802	* @param[in] *pScratchIn points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4803	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	4804	* @return none.
<>	129:0ab6a29f35bf	4805	*/
<>	129:0ab6a29f35bf	4806
<>	129:0ab6a29f35bf	4807	void arm_fir_sparse_q31(
<>	129:0ab6a29f35bf	4808	arm_fir_sparse_instance_q31 * S,
<>	129:0ab6a29f35bf	4809	q31_t * pSrc,
<>	129:0ab6a29f35bf	4810	q31_t * pDst,
<>	129:0ab6a29f35bf	4811	q31_t * pScratchIn,
<>	129:0ab6a29f35bf	4812	uint32_t blockSize);
<>	129:0ab6a29f35bf	4813
<>	129:0ab6a29f35bf	4814	/**
<>	129:0ab6a29f35bf	4815	* @brief Initialization function for the Q31 sparse FIR filter.
<>	129:0ab6a29f35bf	4816	* @param[in,out] *S points to an instance of the Q31 sparse FIR structure.
<>	129:0ab6a29f35bf	4817	* @param[in] numTaps number of nonzero coefficients in the filter.
<>	129:0ab6a29f35bf	4818	* @param[in] *pCoeffs points to the array of filter coefficients.
<>	129:0ab6a29f35bf	4819	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	4820	* @param[in] *pTapDelay points to the array of offset times.
<>	129:0ab6a29f35bf	4821	* @param[in] maxDelay maximum offset time supported.
<>	129:0ab6a29f35bf	4822	* @param[in] blockSize number of samples that will be processed per block.
<>	129:0ab6a29f35bf	4823	* @return none
<>	129:0ab6a29f35bf	4824	*/
<>	129:0ab6a29f35bf	4825
<>	129:0ab6a29f35bf	4826	void arm_fir_sparse_init_q31(
<>	129:0ab6a29f35bf	4827	arm_fir_sparse_instance_q31 * S,
<>	129:0ab6a29f35bf	4828	uint16_t numTaps,
<>	129:0ab6a29f35bf	4829	q31_t * pCoeffs,
<>	129:0ab6a29f35bf	4830	q31_t * pState,
<>	129:0ab6a29f35bf	4831	int32_t * pTapDelay,
<>	129:0ab6a29f35bf	4832	uint16_t maxDelay,
<>	129:0ab6a29f35bf	4833	uint32_t blockSize);
<>	129:0ab6a29f35bf	4834
<>	129:0ab6a29f35bf	4835	/**
<>	129:0ab6a29f35bf	4836	* @brief Processing function for the Q15 sparse FIR filter.
<>	129:0ab6a29f35bf	4837	* @param[in] *S points to an instance of the Q15 sparse FIR structure.
<>	129:0ab6a29f35bf	4838	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4839	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4840	* @param[in] *pScratchIn points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4841	* @param[in] *pScratchOut points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4842	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	4843	* @return none.
<>	129:0ab6a29f35bf	4844	*/
<>	129:0ab6a29f35bf	4845
<>	129:0ab6a29f35bf	4846	void arm_fir_sparse_q15(
<>	129:0ab6a29f35bf	4847	arm_fir_sparse_instance_q15 * S,
<>	129:0ab6a29f35bf	4848	q15_t * pSrc,
<>	129:0ab6a29f35bf	4849	q15_t * pDst,
<>	129:0ab6a29f35bf	4850	q15_t * pScratchIn,
<>	129:0ab6a29f35bf	4851	q31_t * pScratchOut,
<>	129:0ab6a29f35bf	4852	uint32_t blockSize);
<>	129:0ab6a29f35bf	4853
<>	129:0ab6a29f35bf	4854
<>	129:0ab6a29f35bf	4855	/**
<>	129:0ab6a29f35bf	4856	* @brief Initialization function for the Q15 sparse FIR filter.
<>	129:0ab6a29f35bf	4857	* @param[in,out] *S points to an instance of the Q15 sparse FIR structure.
<>	129:0ab6a29f35bf	4858	* @param[in] numTaps number of nonzero coefficients in the filter.
<>	129:0ab6a29f35bf	4859	* @param[in] *pCoeffs points to the array of filter coefficients.
<>	129:0ab6a29f35bf	4860	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	4861	* @param[in] *pTapDelay points to the array of offset times.
<>	129:0ab6a29f35bf	4862	* @param[in] maxDelay maximum offset time supported.
<>	129:0ab6a29f35bf	4863	* @param[in] blockSize number of samples that will be processed per block.
<>	129:0ab6a29f35bf	4864	* @return none
<>	129:0ab6a29f35bf	4865	*/
<>	129:0ab6a29f35bf	4866
<>	129:0ab6a29f35bf	4867	void arm_fir_sparse_init_q15(
<>	129:0ab6a29f35bf	4868	arm_fir_sparse_instance_q15 * S,
<>	129:0ab6a29f35bf	4869	uint16_t numTaps,
<>	129:0ab6a29f35bf	4870	q15_t * pCoeffs,
<>	129:0ab6a29f35bf	4871	q15_t * pState,
<>	129:0ab6a29f35bf	4872	int32_t * pTapDelay,
<>	129:0ab6a29f35bf	4873	uint16_t maxDelay,
<>	129:0ab6a29f35bf	4874	uint32_t blockSize);
<>	129:0ab6a29f35bf	4875
<>	129:0ab6a29f35bf	4876	/**
<>	129:0ab6a29f35bf	4877	* @brief Processing function for the Q7 sparse FIR filter.
<>	129:0ab6a29f35bf	4878	* @param[in] *S points to an instance of the Q7 sparse FIR structure.
<>	129:0ab6a29f35bf	4879	* @param[in] *pSrc points to the block of input data.
<>	129:0ab6a29f35bf	4880	* @param[out] *pDst points to the block of output data
<>	129:0ab6a29f35bf	4881	* @param[in] *pScratchIn points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4882	* @param[in] *pScratchOut points to a temporary buffer of size blockSize.
<>	129:0ab6a29f35bf	4883	* @param[in] blockSize number of input samples to process per call.
<>	129:0ab6a29f35bf	4884	* @return none.
<>	129:0ab6a29f35bf	4885	*/
<>	129:0ab6a29f35bf	4886
<>	129:0ab6a29f35bf	4887	void arm_fir_sparse_q7(
<>	129:0ab6a29f35bf	4888	arm_fir_sparse_instance_q7 * S,
<>	129:0ab6a29f35bf	4889	q7_t * pSrc,
<>	129:0ab6a29f35bf	4890	q7_t * pDst,
<>	129:0ab6a29f35bf	4891	q7_t * pScratchIn,
<>	129:0ab6a29f35bf	4892	q31_t * pScratchOut,
<>	129:0ab6a29f35bf	4893	uint32_t blockSize);
<>	129:0ab6a29f35bf	4894
<>	129:0ab6a29f35bf	4895	/**
<>	129:0ab6a29f35bf	4896	* @brief Initialization function for the Q7 sparse FIR filter.
<>	129:0ab6a29f35bf	4897	* @param[in,out] *S points to an instance of the Q7 sparse FIR structure.
<>	129:0ab6a29f35bf	4898	* @param[in] numTaps number of nonzero coefficients in the filter.
<>	129:0ab6a29f35bf	4899	* @param[in] *pCoeffs points to the array of filter coefficients.
<>	129:0ab6a29f35bf	4900	* @param[in] *pState points to the state buffer.
<>	129:0ab6a29f35bf	4901	* @param[in] *pTapDelay points to the array of offset times.
<>	129:0ab6a29f35bf	4902	* @param[in] maxDelay maximum offset time supported.
<>	129:0ab6a29f35bf	4903	* @param[in] blockSize number of samples that will be processed per block.
<>	129:0ab6a29f35bf	4904	* @return none
<>	129:0ab6a29f35bf	4905	*/
<>	129:0ab6a29f35bf	4906
<>	129:0ab6a29f35bf	4907	void arm_fir_sparse_init_q7(
<>	129:0ab6a29f35bf	4908	arm_fir_sparse_instance_q7 * S,
<>	129:0ab6a29f35bf	4909	uint16_t numTaps,
<>	129:0ab6a29f35bf	4910	q7_t * pCoeffs,
<>	129:0ab6a29f35bf	4911	q7_t * pState,
<>	129:0ab6a29f35bf	4912	int32_t * pTapDelay,
<>	129:0ab6a29f35bf	4913	uint16_t maxDelay,
<>	129:0ab6a29f35bf	4914	uint32_t blockSize);
<>	129:0ab6a29f35bf	4915
<>	129:0ab6a29f35bf	4916
<>	129:0ab6a29f35bf	4917	/*
<>	129:0ab6a29f35bf	4918	* @brief Floating-point sin_cos function.
<>	129:0ab6a29f35bf	4919	* @param[in] theta input value in degrees
<>	129:0ab6a29f35bf	4920	* @param[out] *pSinVal points to the processed sine output.
<>	129:0ab6a29f35bf	4921	* @param[out] *pCosVal points to the processed cos output.
<>	129:0ab6a29f35bf	4922	* @return none.
<>	129:0ab6a29f35bf	4923	*/
<>	129:0ab6a29f35bf	4924
<>	129:0ab6a29f35bf	4925	void arm_sin_cos_f32(
<>	129:0ab6a29f35bf	4926	float32_t theta,
<>	129:0ab6a29f35bf	4927	float32_t * pSinVal,
<>	129:0ab6a29f35bf	4928	float32_t * pCcosVal);
<>	129:0ab6a29f35bf	4929
<>	129:0ab6a29f35bf	4930	/*
<>	129:0ab6a29f35bf	4931	* @brief Q31 sin_cos function.
<>	129:0ab6a29f35bf	4932	* @param[in] theta scaled input value in degrees
<>	129:0ab6a29f35bf	4933	* @param[out] *pSinVal points to the processed sine output.
<>	129:0ab6a29f35bf	4934	* @param[out] *pCosVal points to the processed cosine output.
<>	129:0ab6a29f35bf	4935	* @return none.
<>	129:0ab6a29f35bf	4936	*/
<>	129:0ab6a29f35bf	4937
<>	129:0ab6a29f35bf	4938	void arm_sin_cos_q31(
<>	129:0ab6a29f35bf	4939	q31_t theta,
<>	129:0ab6a29f35bf	4940	q31_t * pSinVal,
<>	129:0ab6a29f35bf	4941	q31_t * pCosVal);
<>	129:0ab6a29f35bf	4942
<>	129:0ab6a29f35bf	4943
<>	129:0ab6a29f35bf	4944	/**
<>	129:0ab6a29f35bf	4945	* @brief Floating-point complex conjugate.
<>	129:0ab6a29f35bf	4946	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	4947	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	4948	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	4949	* @return none.
<>	129:0ab6a29f35bf	4950	*/
<>	129:0ab6a29f35bf	4951
<>	129:0ab6a29f35bf	4952	void arm_cmplx_conj_f32(
<>	129:0ab6a29f35bf	4953	float32_t * pSrc,
<>	129:0ab6a29f35bf	4954	float32_t * pDst,
<>	129:0ab6a29f35bf	4955	uint32_t numSamples);
<>	129:0ab6a29f35bf	4956
<>	129:0ab6a29f35bf	4957	/**
<>	129:0ab6a29f35bf	4958	* @brief Q31 complex conjugate.
<>	129:0ab6a29f35bf	4959	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	4960	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	4961	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	4962	* @return none.
<>	129:0ab6a29f35bf	4963	*/
<>	129:0ab6a29f35bf	4964
<>	129:0ab6a29f35bf	4965	void arm_cmplx_conj_q31(
<>	129:0ab6a29f35bf	4966	q31_t * pSrc,
<>	129:0ab6a29f35bf	4967	q31_t * pDst,
<>	129:0ab6a29f35bf	4968	uint32_t numSamples);
<>	129:0ab6a29f35bf	4969
<>	129:0ab6a29f35bf	4970	/**
<>	129:0ab6a29f35bf	4971	* @brief Q15 complex conjugate.
<>	129:0ab6a29f35bf	4972	* @param[in] *pSrc points to the input vector
<>	129:0ab6a29f35bf	4973	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	4974	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	4975	* @return none.
<>	129:0ab6a29f35bf	4976	*/
<>	129:0ab6a29f35bf	4977
<>	129:0ab6a29f35bf	4978	void arm_cmplx_conj_q15(
<>	129:0ab6a29f35bf	4979	q15_t * pSrc,
<>	129:0ab6a29f35bf	4980	q15_t * pDst,
<>	129:0ab6a29f35bf	4981	uint32_t numSamples);
<>	129:0ab6a29f35bf	4982
<>	129:0ab6a29f35bf	4983
<>	129:0ab6a29f35bf	4984
<>	129:0ab6a29f35bf	4985	/**
<>	129:0ab6a29f35bf	4986	* @brief Floating-point complex magnitude squared
<>	129:0ab6a29f35bf	4987	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	4988	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	4989	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	4990	* @return none.
<>	129:0ab6a29f35bf	4991	*/
<>	129:0ab6a29f35bf	4992
<>	129:0ab6a29f35bf	4993	void arm_cmplx_mag_squared_f32(
<>	129:0ab6a29f35bf	4994	float32_t * pSrc,
<>	129:0ab6a29f35bf	4995	float32_t * pDst,
<>	129:0ab6a29f35bf	4996	uint32_t numSamples);
<>	129:0ab6a29f35bf	4997
<>	129:0ab6a29f35bf	4998	/**
<>	129:0ab6a29f35bf	4999	* @brief Q31 complex magnitude squared
<>	129:0ab6a29f35bf	5000	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	5001	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	5002	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	5003	* @return none.
<>	129:0ab6a29f35bf	5004	*/
<>	129:0ab6a29f35bf	5005
<>	129:0ab6a29f35bf	5006	void arm_cmplx_mag_squared_q31(
<>	129:0ab6a29f35bf	5007	q31_t * pSrc,
<>	129:0ab6a29f35bf	5008	q31_t * pDst,
<>	129:0ab6a29f35bf	5009	uint32_t numSamples);
<>	129:0ab6a29f35bf	5010
<>	129:0ab6a29f35bf	5011	/**
<>	129:0ab6a29f35bf	5012	* @brief Q15 complex magnitude squared
<>	129:0ab6a29f35bf	5013	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	5014	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	5015	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	5016	* @return none.
<>	129:0ab6a29f35bf	5017	*/
<>	129:0ab6a29f35bf	5018
<>	129:0ab6a29f35bf	5019	void arm_cmplx_mag_squared_q15(
<>	129:0ab6a29f35bf	5020	q15_t * pSrc,
<>	129:0ab6a29f35bf	5021	q15_t * pDst,
<>	129:0ab6a29f35bf	5022	uint32_t numSamples);
<>	129:0ab6a29f35bf	5023
<>	129:0ab6a29f35bf	5024
<>	129:0ab6a29f35bf	5025	/**
<>	129:0ab6a29f35bf	5026	* @ingroup groupController
<>	129:0ab6a29f35bf	5027	*/
<>	129:0ab6a29f35bf	5028
<>	129:0ab6a29f35bf	5029	/**
<>	129:0ab6a29f35bf	5030	* @defgroup PID PID Motor Control
<>	129:0ab6a29f35bf	5031	*
<>	129:0ab6a29f35bf	5032	* A Proportional Integral Derivative (PID) controller is a generic feedback control
<>	129:0ab6a29f35bf	5033	* loop mechanism widely used in industrial control systems.
<>	129:0ab6a29f35bf	5034	* A PID controller is the most commonly used type of feedback controller.
<>	129:0ab6a29f35bf	5035	*
<>	129:0ab6a29f35bf	5036	* This set of functions implements (PID) controllers
<>	129:0ab6a29f35bf	5037	* for Q15, Q31, and floating-point data types. The functions operate on a single sample
<>	129:0ab6a29f35bf	5038	* of data and each call to the function returns a single processed value.
<>	129:0ab6a29f35bf	5039	* <code>S</code> points to an instance of the PID control data structure. <code>in</code>
<>	129:0ab6a29f35bf	5040	* is the input sample value. The functions return the output value.
<>	129:0ab6a29f35bf	5041	*
<>	129:0ab6a29f35bf	5042	* \par Algorithm:
<>	129:0ab6a29f35bf	5043	* <pre>
<>	129:0ab6a29f35bf	5044	* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2]
<>	129:0ab6a29f35bf	5045	* A0 = Kp + Ki + Kd
<>	129:0ab6a29f35bf	5046	* A1 = (-Kp ) - (2 * Kd )
<>	129:0ab6a29f35bf	5047	* A2 = Kd </pre>
<>	129:0ab6a29f35bf	5048	*
<>	129:0ab6a29f35bf	5049	* \par
<>	129:0ab6a29f35bf	5050	* where \c Kp is proportional constant, \c Ki is Integral constant and \c Kd is Derivative constant
<>	129:0ab6a29f35bf	5051	*
<>	129:0ab6a29f35bf	5052	* \par
<>	129:0ab6a29f35bf	5053	* \image html PID.gif "Proportional Integral Derivative Controller"
<>	129:0ab6a29f35bf	5054	*
<>	129:0ab6a29f35bf	5055	* \par
<>	129:0ab6a29f35bf	5056	* The PID controller calculates an "error" value as the difference between
<>	129:0ab6a29f35bf	5057	* the measured output and the reference input.
<>	129:0ab6a29f35bf	5058	* The controller attempts to minimize the error by adjusting the process control inputs.
<>	129:0ab6a29f35bf	5059	* The proportional value determines the reaction to the current error,
<>	129:0ab6a29f35bf	5060	* the integral value determines the reaction based on the sum of recent errors,
<>	129:0ab6a29f35bf	5061	* and the derivative value determines the reaction based on the rate at which the error has been changing.
<>	129:0ab6a29f35bf	5062	*
<>	129:0ab6a29f35bf	5063	* \par Instance Structure
<>	129:0ab6a29f35bf	5064	* The Gains A0, A1, A2 and state variables for a PID controller are stored together in an instance data structure.
<>	129:0ab6a29f35bf	5065	* A separate instance structure must be defined for each PID Controller.
<>	129:0ab6a29f35bf	5066	* There are separate instance structure declarations for each of the 3 supported data types.
<>	129:0ab6a29f35bf	5067	*
<>	129:0ab6a29f35bf	5068	* \par Reset Functions
<>	129:0ab6a29f35bf	5069	* There is also an associated reset function for each data type which clears the state array.
<>	129:0ab6a29f35bf	5070	*
<>	129:0ab6a29f35bf	5071	* \par Initialization Functions
<>	129:0ab6a29f35bf	5072	* There is also an associated initialization function for each data type.
<>	129:0ab6a29f35bf	5073	* The initialization function performs the following operations:
<>	129:0ab6a29f35bf	5074	* - Initializes the Gains A0, A1, A2 from Kp,Ki, Kd gains.
<>	129:0ab6a29f35bf	5075	* - Zeros out the values in the state buffer.
<>	129:0ab6a29f35bf	5076	*
<>	129:0ab6a29f35bf	5077	* \par
<>	129:0ab6a29f35bf	5078	* Instance structure cannot be placed into a const data section and it is recommended to use the initialization function.
<>	129:0ab6a29f35bf	5079	*
<>	129:0ab6a29f35bf	5080	* \par Fixed-Point Behavior
<>	129:0ab6a29f35bf	5081	* Care must be taken when using the fixed-point versions of the PID Controller functions.
<>	129:0ab6a29f35bf	5082	* In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.
<>	129:0ab6a29f35bf	5083	* Refer to the function specific documentation below for usage guidelines.
<>	129:0ab6a29f35bf	5084	*/
<>	129:0ab6a29f35bf	5085
<>	129:0ab6a29f35bf	5086	/**
<>	129:0ab6a29f35bf	5087	* @addtogroup PID
<>	129:0ab6a29f35bf	5088	* @{
<>	129:0ab6a29f35bf	5089	*/
<>	129:0ab6a29f35bf	5090
<>	129:0ab6a29f35bf	5091	/**
<>	129:0ab6a29f35bf	5092	* @brief Process function for the floating-point PID Control.
<>	129:0ab6a29f35bf	5093	* @param[in,out] *S is an instance of the floating-point PID Control structure
<>	129:0ab6a29f35bf	5094	* @param[in] in input sample to process
<>	129:0ab6a29f35bf	5095	* @return out processed output sample.
<>	129:0ab6a29f35bf	5096	*/
<>	129:0ab6a29f35bf	5097
<>	129:0ab6a29f35bf	5098
<>	129:0ab6a29f35bf	5099	static __INLINE float32_t arm_pid_f32(
<>	129:0ab6a29f35bf	5100	arm_pid_instance_f32 * S,
<>	129:0ab6a29f35bf	5101	float32_t in)
<>	129:0ab6a29f35bf	5102	{
<>	129:0ab6a29f35bf	5103	float32_t out;
<>	129:0ab6a29f35bf	5104
<>	129:0ab6a29f35bf	5105	/* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] */
<>	129:0ab6a29f35bf	5106	out = (S->A0 * in) +
<>	129:0ab6a29f35bf	5107	(S->A1 * S->state[0]) + (S->A2 * S->state[1]) + (S->state[2]);
<>	129:0ab6a29f35bf	5108
<>	129:0ab6a29f35bf	5109	/* Update state */
<>	129:0ab6a29f35bf	5110	S->state[1] = S->state[0];
<>	129:0ab6a29f35bf	5111	S->state[0] = in;
<>	129:0ab6a29f35bf	5112	S->state[2] = out;
<>	129:0ab6a29f35bf	5113
<>	129:0ab6a29f35bf	5114	/* return to application */
<>	129:0ab6a29f35bf	5115	return (out);
<>	129:0ab6a29f35bf	5116
<>	129:0ab6a29f35bf	5117	}
<>	129:0ab6a29f35bf	5118
<>	129:0ab6a29f35bf	5119	/**
<>	129:0ab6a29f35bf	5120	* @brief Process function for the Q31 PID Control.
<>	129:0ab6a29f35bf	5121	* @param[in,out] *S points to an instance of the Q31 PID Control structure
<>	129:0ab6a29f35bf	5122	* @param[in] in input sample to process
<>	129:0ab6a29f35bf	5123	* @return out processed output sample.
<>	129:0ab6a29f35bf	5124	*
<>	129:0ab6a29f35bf	5125	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5126	* \par
<>	129:0ab6a29f35bf	5127	* The function is implemented using an internal 64-bit accumulator.
<>	129:0ab6a29f35bf	5128	* The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.
<>	129:0ab6a29f35bf	5129	* Thus, if the accumulator result overflows it wraps around rather than clip.
<>	129:0ab6a29f35bf	5130	* In order to avoid overflows completely the input signal must be scaled down by 2 bits as there are four additions.
<>	129:0ab6a29f35bf	5131	* After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format.
<>	129:0ab6a29f35bf	5132	*/
<>	129:0ab6a29f35bf	5133
<>	129:0ab6a29f35bf	5134	static __INLINE q31_t arm_pid_q31(
<>	129:0ab6a29f35bf	5135	arm_pid_instance_q31 * S,
<>	129:0ab6a29f35bf	5136	q31_t in)
<>	129:0ab6a29f35bf	5137	{
<>	129:0ab6a29f35bf	5138	q63_t acc;
<>	129:0ab6a29f35bf	5139	q31_t out;
<>	129:0ab6a29f35bf	5140
<>	129:0ab6a29f35bf	5141	/* acc = A0 * x[n] */
<>	129:0ab6a29f35bf	5142	acc = (q63_t) S->A0 * in;
<>	129:0ab6a29f35bf	5143
<>	129:0ab6a29f35bf	5144	/* acc += A1 * x[n-1] */
<>	129:0ab6a29f35bf	5145	acc += (q63_t) S->A1 * S->state[0];
<>	129:0ab6a29f35bf	5146
<>	129:0ab6a29f35bf	5147	/* acc += A2 * x[n-2] */
<>	129:0ab6a29f35bf	5148	acc += (q63_t) S->A2 * S->state[1];
<>	129:0ab6a29f35bf	5149
<>	129:0ab6a29f35bf	5150	/* convert output to 1.31 format to add y[n-1] */
<>	129:0ab6a29f35bf	5151	out = (q31_t) (acc >> 31u);
<>	129:0ab6a29f35bf	5152
<>	129:0ab6a29f35bf	5153	/* out += y[n-1] */
<>	129:0ab6a29f35bf	5154	out += S->state[2];
<>	129:0ab6a29f35bf	5155
<>	129:0ab6a29f35bf	5156	/* Update state */
<>	129:0ab6a29f35bf	5157	S->state[1] = S->state[0];
<>	129:0ab6a29f35bf	5158	S->state[0] = in;
<>	129:0ab6a29f35bf	5159	S->state[2] = out;
<>	129:0ab6a29f35bf	5160
<>	129:0ab6a29f35bf	5161	/* return to application */
<>	129:0ab6a29f35bf	5162	return (out);
<>	129:0ab6a29f35bf	5163
<>	129:0ab6a29f35bf	5164	}
<>	129:0ab6a29f35bf	5165
<>	129:0ab6a29f35bf	5166	/**
<>	129:0ab6a29f35bf	5167	* @brief Process function for the Q15 PID Control.
<>	129:0ab6a29f35bf	5168	* @param[in,out] *S points to an instance of the Q15 PID Control structure
<>	129:0ab6a29f35bf	5169	* @param[in] in input sample to process
<>	129:0ab6a29f35bf	5170	* @return out processed output sample.
<>	129:0ab6a29f35bf	5171	*
<>	129:0ab6a29f35bf	5172	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5173	* \par
<>	129:0ab6a29f35bf	5174	* The function is implemented using a 64-bit internal accumulator.
<>	129:0ab6a29f35bf	5175	* Both Gains and state variables are represented in 1.15 format and multiplications yield a 2.30 result.
<>	129:0ab6a29f35bf	5176	* The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.
<>	129:0ab6a29f35bf	5177	* There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.
<>	129:0ab6a29f35bf	5178	* After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.
<>	129:0ab6a29f35bf	5179	* Lastly, the accumulator is saturated to yield a result in 1.15 format.
<>	129:0ab6a29f35bf	5180	*/
<>	129:0ab6a29f35bf	5181
<>	129:0ab6a29f35bf	5182	static __INLINE q15_t arm_pid_q15(
<>	129:0ab6a29f35bf	5183	arm_pid_instance_q15 * S,
<>	129:0ab6a29f35bf	5184	q15_t in)
<>	129:0ab6a29f35bf	5185	{
<>	129:0ab6a29f35bf	5186	q63_t acc;
<>	129:0ab6a29f35bf	5187	q15_t out;
<>	129:0ab6a29f35bf	5188
<>	129:0ab6a29f35bf	5189	#ifndef ARM_MATH_CM0_FAMILY
<>	129:0ab6a29f35bf	5190	__SIMD32_TYPE *vstate;
<>	129:0ab6a29f35bf	5191
<>	129:0ab6a29f35bf	5192	/* Implementation of PID controller */
<>	129:0ab6a29f35bf	5193
<>	129:0ab6a29f35bf	5194	/* acc = A0 * x[n] */
<>	129:0ab6a29f35bf	5195	acc = (q31_t) __SMUAD(S->A0, in);
<>	129:0ab6a29f35bf	5196
<>	129:0ab6a29f35bf	5197	/* acc += A1 * x[n-1] + A2 * x[n-2] */
<>	129:0ab6a29f35bf	5198	vstate = __SIMD32_CONST(S->state);
<>	129:0ab6a29f35bf	5199	acc = __SMLALD(S->A1, (q31_t) *vstate, acc);
<>	129:0ab6a29f35bf	5200
<>	129:0ab6a29f35bf	5201	#else
<>	129:0ab6a29f35bf	5202	/* acc = A0 * x[n] */
<>	129:0ab6a29f35bf	5203	acc = ((q31_t) S->A0) * in;
<>	129:0ab6a29f35bf	5204
<>	129:0ab6a29f35bf	5205	/* acc += A1 * x[n-1] + A2 * x[n-2] */
<>	129:0ab6a29f35bf	5206	acc += (q31_t) S->A1 * S->state[0];
<>	129:0ab6a29f35bf	5207	acc += (q31_t) S->A2 * S->state[1];
<>	129:0ab6a29f35bf	5208
<>	129:0ab6a29f35bf	5209	#endif
<>	129:0ab6a29f35bf	5210
<>	129:0ab6a29f35bf	5211	/* acc += y[n-1] */
<>	129:0ab6a29f35bf	5212	acc += (q31_t) S->state[2] << 15;
<>	129:0ab6a29f35bf	5213
<>	129:0ab6a29f35bf	5214	/* saturate the output */
<>	129:0ab6a29f35bf	5215	out = (q15_t) (__SSAT((acc >> 15), 16));
<>	129:0ab6a29f35bf	5216
<>	129:0ab6a29f35bf	5217	/* Update state */
<>	129:0ab6a29f35bf	5218	S->state[1] = S->state[0];
<>	129:0ab6a29f35bf	5219	S->state[0] = in;
<>	129:0ab6a29f35bf	5220	S->state[2] = out;
<>	129:0ab6a29f35bf	5221
<>	129:0ab6a29f35bf	5222	/* return to application */
<>	129:0ab6a29f35bf	5223	return (out);
<>	129:0ab6a29f35bf	5224
<>	129:0ab6a29f35bf	5225	}
<>	129:0ab6a29f35bf	5226
<>	129:0ab6a29f35bf	5227	/**
<>	129:0ab6a29f35bf	5228	* @} end of PID group
<>	129:0ab6a29f35bf	5229	*/
<>	129:0ab6a29f35bf	5230
<>	129:0ab6a29f35bf	5231
<>	129:0ab6a29f35bf	5232	/**
<>	129:0ab6a29f35bf	5233	* @brief Floating-point matrix inverse.
<>	129:0ab6a29f35bf	5234	* @param[in] *src points to the instance of the input floating-point matrix structure.
<>	129:0ab6a29f35bf	5235	* @param[out] *dst points to the instance of the output floating-point matrix structure.
<>	129:0ab6a29f35bf	5236	* @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match.
<>	129:0ab6a29f35bf	5237	* If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR.
<>	129:0ab6a29f35bf	5238	*/
<>	129:0ab6a29f35bf	5239
<>	129:0ab6a29f35bf	5240	arm_status arm_mat_inverse_f32(
<>	129:0ab6a29f35bf	5241	const arm_matrix_instance_f32 * src,
<>	129:0ab6a29f35bf	5242	arm_matrix_instance_f32 * dst);
<>	129:0ab6a29f35bf	5243
<>	129:0ab6a29f35bf	5244
<>	129:0ab6a29f35bf	5245	/**
<>	129:0ab6a29f35bf	5246	* @brief Floating-point matrix inverse.
<>	129:0ab6a29f35bf	5247	* @param[in] *src points to the instance of the input floating-point matrix structure.
<>	129:0ab6a29f35bf	5248	* @param[out] *dst points to the instance of the output floating-point matrix structure.
<>	129:0ab6a29f35bf	5249	* @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match.
<>	129:0ab6a29f35bf	5250	* If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR.
<>	129:0ab6a29f35bf	5251	*/
<>	129:0ab6a29f35bf	5252
<>	129:0ab6a29f35bf	5253	arm_status arm_mat_inverse_f64(
<>	129:0ab6a29f35bf	5254	const arm_matrix_instance_f64 * src,
<>	129:0ab6a29f35bf	5255	arm_matrix_instance_f64 * dst);
<>	129:0ab6a29f35bf	5256
<>	129:0ab6a29f35bf	5257
<>	129:0ab6a29f35bf	5258
<>	129:0ab6a29f35bf	5259	/**
<>	129:0ab6a29f35bf	5260	* @ingroup groupController
<>	129:0ab6a29f35bf	5261	*/
<>	129:0ab6a29f35bf	5262
<>	129:0ab6a29f35bf	5263
<>	129:0ab6a29f35bf	5264	/**
<>	129:0ab6a29f35bf	5265	* @defgroup clarke Vector Clarke Transform
<>	129:0ab6a29f35bf	5266	* Forward Clarke transform converts the instantaneous stator phases into a two-coordinate time invariant vector.
<>	129:0ab6a29f35bf	5267	* Generally the Clarke transform uses three-phase currents <code>Ia, Ib and Ic</code> to calculate currents
<>	129:0ab6a29f35bf	5268	* in the two-phase orthogonal stator axis <code>Ialpha</code> and <code>Ibeta</code>.
<>	129:0ab6a29f35bf	5269	* When <code>Ialpha</code> is superposed with <code>Ia</code> as shown in the figure below
<>	129:0ab6a29f35bf	5270	* \image html clarke.gif Stator current space vector and its components in (a,b).
<>	129:0ab6a29f35bf	5271	* and <code>Ia + Ib + Ic = 0</code>, in this condition <code>Ialpha</code> and <code>Ibeta</code>
<>	129:0ab6a29f35bf	5272	* can be calculated using only <code>Ia</code> and <code>Ib</code>.
<>	129:0ab6a29f35bf	5273	*
<>	129:0ab6a29f35bf	5274	* The function operates on a single sample of data and each call to the function returns the processed output.
<>	129:0ab6a29f35bf	5275	* The library provides separate functions for Q31 and floating-point data types.
<>	129:0ab6a29f35bf	5276	* \par Algorithm
<>	129:0ab6a29f35bf	5277	* \image html clarkeFormula.gif
<>	129:0ab6a29f35bf	5278	* where <code>Ia</code> and <code>Ib</code> are the instantaneous stator phases and
<>	129:0ab6a29f35bf	5279	* <code>pIalpha</code> and <code>pIbeta</code> are the two coordinates of time invariant vector.
<>	129:0ab6a29f35bf	5280	* \par Fixed-Point Behavior
<>	129:0ab6a29f35bf	5281	* Care must be taken when using the Q31 version of the Clarke transform.
<>	129:0ab6a29f35bf	5282	* In particular, the overflow and saturation behavior of the accumulator used must be considered.
<>	129:0ab6a29f35bf	5283	* Refer to the function specific documentation below for usage guidelines.
<>	129:0ab6a29f35bf	5284	*/
<>	129:0ab6a29f35bf	5285
<>	129:0ab6a29f35bf	5286	/**
<>	129:0ab6a29f35bf	5287	* @addtogroup clarke
<>	129:0ab6a29f35bf	5288	* @{
<>	129:0ab6a29f35bf	5289	*/
<>	129:0ab6a29f35bf	5290
<>	129:0ab6a29f35bf	5291	/**
<>	129:0ab6a29f35bf	5292	*
<>	129:0ab6a29f35bf	5293	* @brief Floating-point Clarke transform
<>	129:0ab6a29f35bf	5294	* @param[in] Ia input three-phase coordinate <code>a</code>
<>	129:0ab6a29f35bf	5295	* @param[in] Ib input three-phase coordinate <code>b</code>
<>	129:0ab6a29f35bf	5296	* @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5297	* @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5298	* @return none.
<>	129:0ab6a29f35bf	5299	*/
<>	129:0ab6a29f35bf	5300
<>	129:0ab6a29f35bf	5301	static __INLINE void arm_clarke_f32(
<>	129:0ab6a29f35bf	5302	float32_t Ia,
<>	129:0ab6a29f35bf	5303	float32_t Ib,
<>	129:0ab6a29f35bf	5304	float32_t * pIalpha,
<>	129:0ab6a29f35bf	5305	float32_t * pIbeta)
<>	129:0ab6a29f35bf	5306	{
<>	129:0ab6a29f35bf	5307	/* Calculate pIalpha using the equation, pIalpha = Ia */
<>	129:0ab6a29f35bf	5308	*pIalpha = Ia;
<>	129:0ab6a29f35bf	5309
<>	129:0ab6a29f35bf	5310	/* Calculate pIbeta using the equation, pIbeta = (1/sqrt(3)) * Ia + (2/sqrt(3)) * Ib */
<>	129:0ab6a29f35bf	5311	*pIbeta =
<>	129:0ab6a29f35bf	5312	((float32_t) 0.57735026919 * Ia + (float32_t) 1.15470053838 * Ib);
<>	129:0ab6a29f35bf	5313
<>	129:0ab6a29f35bf	5314	}
<>	129:0ab6a29f35bf	5315
<>	129:0ab6a29f35bf	5316	/**
<>	129:0ab6a29f35bf	5317	* @brief Clarke transform for Q31 version
<>	129:0ab6a29f35bf	5318	* @param[in] Ia input three-phase coordinate <code>a</code>
<>	129:0ab6a29f35bf	5319	* @param[in] Ib input three-phase coordinate <code>b</code>
<>	129:0ab6a29f35bf	5320	* @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5321	* @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5322	* @return none.
<>	129:0ab6a29f35bf	5323	*
<>	129:0ab6a29f35bf	5324	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5325	* \par
<>	129:0ab6a29f35bf	5326	* The function is implemented using an internal 32-bit accumulator.
<>	129:0ab6a29f35bf	5327	* The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
<>	129:0ab6a29f35bf	5328	* There is saturation on the addition, hence there is no risk of overflow.
<>	129:0ab6a29f35bf	5329	*/
<>	129:0ab6a29f35bf	5330
<>	129:0ab6a29f35bf	5331	static __INLINE void arm_clarke_q31(
<>	129:0ab6a29f35bf	5332	q31_t Ia,
<>	129:0ab6a29f35bf	5333	q31_t Ib,
<>	129:0ab6a29f35bf	5334	q31_t * pIalpha,
<>	129:0ab6a29f35bf	5335	q31_t * pIbeta)
<>	129:0ab6a29f35bf	5336	{
<>	129:0ab6a29f35bf	5337	q31_t product1, product2; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5338
<>	129:0ab6a29f35bf	5339	/* Calculating pIalpha from Ia by equation pIalpha = Ia */
<>	129:0ab6a29f35bf	5340	*pIalpha = Ia;
<>	129:0ab6a29f35bf	5341
<>	129:0ab6a29f35bf	5342	/* Intermediate product is calculated by (1/(sqrt(3)) * Ia) */
<>	129:0ab6a29f35bf	5343	product1 = (q31_t) (((q63_t) Ia * 0x24F34E8B) >> 30);
<>	129:0ab6a29f35bf	5344
<>	129:0ab6a29f35bf	5345	/* Intermediate product is calculated by (2/sqrt(3) * Ib) */
<>	129:0ab6a29f35bf	5346	product2 = (q31_t) (((q63_t) Ib * 0x49E69D16) >> 30);
<>	129:0ab6a29f35bf	5347
<>	129:0ab6a29f35bf	5348	/* pIbeta is calculated by adding the intermediate products */
<>	129:0ab6a29f35bf	5349	*pIbeta = __QADD(product1, product2);
<>	129:0ab6a29f35bf	5350	}
<>	129:0ab6a29f35bf	5351
<>	129:0ab6a29f35bf	5352	/**
<>	129:0ab6a29f35bf	5353	* @} end of clarke group
<>	129:0ab6a29f35bf	5354	*/
<>	129:0ab6a29f35bf	5355
<>	129:0ab6a29f35bf	5356	/**
<>	129:0ab6a29f35bf	5357	* @brief Converts the elements of the Q7 vector to Q31 vector.
<>	129:0ab6a29f35bf	5358	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	5359	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	5360	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	5361	* @return none.
<>	129:0ab6a29f35bf	5362	*/
<>	129:0ab6a29f35bf	5363	void arm_q7_to_q31(
<>	129:0ab6a29f35bf	5364	q7_t * pSrc,
<>	129:0ab6a29f35bf	5365	q31_t * pDst,
<>	129:0ab6a29f35bf	5366	uint32_t blockSize);
<>	129:0ab6a29f35bf	5367
<>	129:0ab6a29f35bf	5368
<>	129:0ab6a29f35bf	5369
<>	129:0ab6a29f35bf	5370
<>	129:0ab6a29f35bf	5371	/**
<>	129:0ab6a29f35bf	5372	* @ingroup groupController
<>	129:0ab6a29f35bf	5373	*/
<>	129:0ab6a29f35bf	5374
<>	129:0ab6a29f35bf	5375	/**
<>	129:0ab6a29f35bf	5376	* @defgroup inv_clarke Vector Inverse Clarke Transform
<>	129:0ab6a29f35bf	5377	* Inverse Clarke transform converts the two-coordinate time invariant vector into instantaneous stator phases.
<>	129:0ab6a29f35bf	5378	*
<>	129:0ab6a29f35bf	5379	* The function operates on a single sample of data and each call to the function returns the processed output.
<>	129:0ab6a29f35bf	5380	* The library provides separate functions for Q31 and floating-point data types.
<>	129:0ab6a29f35bf	5381	* \par Algorithm
<>	129:0ab6a29f35bf	5382	* \image html clarkeInvFormula.gif
<>	129:0ab6a29f35bf	5383	* where <code>pIa</code> and <code>pIb</code> are the instantaneous stator phases and
<>	129:0ab6a29f35bf	5384	* <code>Ialpha</code> and <code>Ibeta</code> are the two coordinates of time invariant vector.
<>	129:0ab6a29f35bf	5385	* \par Fixed-Point Behavior
<>	129:0ab6a29f35bf	5386	* Care must be taken when using the Q31 version of the Clarke transform.
<>	129:0ab6a29f35bf	5387	* In particular, the overflow and saturation behavior of the accumulator used must be considered.
<>	129:0ab6a29f35bf	5388	* Refer to the function specific documentation below for usage guidelines.
<>	129:0ab6a29f35bf	5389	*/
<>	129:0ab6a29f35bf	5390
<>	129:0ab6a29f35bf	5391	/**
<>	129:0ab6a29f35bf	5392	* @addtogroup inv_clarke
<>	129:0ab6a29f35bf	5393	* @{
<>	129:0ab6a29f35bf	5394	*/
<>	129:0ab6a29f35bf	5395
<>	129:0ab6a29f35bf	5396	/**
<>	129:0ab6a29f35bf	5397	* @brief Floating-point Inverse Clarke transform
<>	129:0ab6a29f35bf	5398	* @param[in] Ialpha input two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5399	* @param[in] Ibeta input two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5400	* @param[out] *pIa points to output three-phase coordinate <code>a</code>
<>	129:0ab6a29f35bf	5401	* @param[out] *pIb points to output three-phase coordinate <code>b</code>
<>	129:0ab6a29f35bf	5402	* @return none.
<>	129:0ab6a29f35bf	5403	*/
<>	129:0ab6a29f35bf	5404
<>	129:0ab6a29f35bf	5405
<>	129:0ab6a29f35bf	5406	static __INLINE void arm_inv_clarke_f32(
<>	129:0ab6a29f35bf	5407	float32_t Ialpha,
<>	129:0ab6a29f35bf	5408	float32_t Ibeta,
<>	129:0ab6a29f35bf	5409	float32_t * pIa,
<>	129:0ab6a29f35bf	5410	float32_t * pIb)
<>	129:0ab6a29f35bf	5411	{
<>	129:0ab6a29f35bf	5412	/* Calculating pIa from Ialpha by equation pIa = Ialpha */
<>	129:0ab6a29f35bf	5413	*pIa = Ialpha;
<>	129:0ab6a29f35bf	5414
<>	129:0ab6a29f35bf	5415	/* Calculating pIb from Ialpha and Ibeta by equation pIb = -(1/2) * Ialpha + (sqrt(3)/2) * Ibeta */
<>	129:0ab6a29f35bf	5416	pIb = -0.5 Ialpha + (float32_t) 0.8660254039 *Ibeta;
<>	129:0ab6a29f35bf	5417
<>	129:0ab6a29f35bf	5418	}
<>	129:0ab6a29f35bf	5419
<>	129:0ab6a29f35bf	5420	/**
<>	129:0ab6a29f35bf	5421	* @brief Inverse Clarke transform for Q31 version
<>	129:0ab6a29f35bf	5422	* @param[in] Ialpha input two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5423	* @param[in] Ibeta input two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5424	* @param[out] *pIa points to output three-phase coordinate <code>a</code>
<>	129:0ab6a29f35bf	5425	* @param[out] *pIb points to output three-phase coordinate <code>b</code>
<>	129:0ab6a29f35bf	5426	* @return none.
<>	129:0ab6a29f35bf	5427	*
<>	129:0ab6a29f35bf	5428	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5429	* \par
<>	129:0ab6a29f35bf	5430	* The function is implemented using an internal 32-bit accumulator.
<>	129:0ab6a29f35bf	5431	* The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
<>	129:0ab6a29f35bf	5432	* There is saturation on the subtraction, hence there is no risk of overflow.
<>	129:0ab6a29f35bf	5433	*/
<>	129:0ab6a29f35bf	5434
<>	129:0ab6a29f35bf	5435	static __INLINE void arm_inv_clarke_q31(
<>	129:0ab6a29f35bf	5436	q31_t Ialpha,
<>	129:0ab6a29f35bf	5437	q31_t Ibeta,
<>	129:0ab6a29f35bf	5438	q31_t * pIa,
<>	129:0ab6a29f35bf	5439	q31_t * pIb)
<>	129:0ab6a29f35bf	5440	{
<>	129:0ab6a29f35bf	5441	q31_t product1, product2; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5442
<>	129:0ab6a29f35bf	5443	/* Calculating pIa from Ialpha by equation pIa = Ialpha */
<>	129:0ab6a29f35bf	5444	*pIa = Ialpha;
<>	129:0ab6a29f35bf	5445
<>	129:0ab6a29f35bf	5446	/* Intermediate product is calculated by (1/(2sqrt(3)) Ia) */
<>	129:0ab6a29f35bf	5447	product1 = (q31_t) (((q63_t) (Ialpha) * (0x40000000)) >> 31);
<>	129:0ab6a29f35bf	5448
<>	129:0ab6a29f35bf	5449	/* Intermediate product is calculated by (1/sqrt(3) * pIb) */
<>	129:0ab6a29f35bf	5450	product2 = (q31_t) (((q63_t) (Ibeta) * (0x6ED9EBA1)) >> 31);
<>	129:0ab6a29f35bf	5451
<>	129:0ab6a29f35bf	5452	/* pIb is calculated by subtracting the products */
<>	129:0ab6a29f35bf	5453	*pIb = __QSUB(product2, product1);
<>	129:0ab6a29f35bf	5454
<>	129:0ab6a29f35bf	5455	}
<>	129:0ab6a29f35bf	5456
<>	129:0ab6a29f35bf	5457	/**
<>	129:0ab6a29f35bf	5458	* @} end of inv_clarke group
<>	129:0ab6a29f35bf	5459	*/
<>	129:0ab6a29f35bf	5460
<>	129:0ab6a29f35bf	5461	/**
<>	129:0ab6a29f35bf	5462	* @brief Converts the elements of the Q7 vector to Q15 vector.
<>	129:0ab6a29f35bf	5463	* @param[in] *pSrc input pointer
<>	129:0ab6a29f35bf	5464	* @param[out] *pDst output pointer
<>	129:0ab6a29f35bf	5465	* @param[in] blockSize number of samples to process
<>	129:0ab6a29f35bf	5466	* @return none.
<>	129:0ab6a29f35bf	5467	*/
<>	129:0ab6a29f35bf	5468	void arm_q7_to_q15(
<>	129:0ab6a29f35bf	5469	q7_t * pSrc,
<>	129:0ab6a29f35bf	5470	q15_t * pDst,
<>	129:0ab6a29f35bf	5471	uint32_t blockSize);
<>	129:0ab6a29f35bf	5472
<>	129:0ab6a29f35bf	5473
<>	129:0ab6a29f35bf	5474
<>	129:0ab6a29f35bf	5475	/**
<>	129:0ab6a29f35bf	5476	* @ingroup groupController
<>	129:0ab6a29f35bf	5477	*/
<>	129:0ab6a29f35bf	5478
<>	129:0ab6a29f35bf	5479	/**
<>	129:0ab6a29f35bf	5480	* @defgroup park Vector Park Transform
<>	129:0ab6a29f35bf	5481	*
<>	129:0ab6a29f35bf	5482	* Forward Park transform converts the input two-coordinate vector to flux and torque components.
<>	129:0ab6a29f35bf	5483	* The Park transform can be used to realize the transformation of the <code>Ialpha</code> and the <code>Ibeta</code> currents
<>	129:0ab6a29f35bf	5484	* from the stationary to the moving reference frame and control the spatial relationship between
<>	129:0ab6a29f35bf	5485	* the stator vector current and rotor flux vector.
<>	129:0ab6a29f35bf	5486	* If we consider the d axis aligned with the rotor flux, the diagram below shows the
<>	129:0ab6a29f35bf	5487	* current vector and the relationship from the two reference frames:
<>	129:0ab6a29f35bf	5488	* \image html park.gif "Stator current space vector and its component in (a,b) and in the d,q rotating reference frame"
<>	129:0ab6a29f35bf	5489	*
<>	129:0ab6a29f35bf	5490	* The function operates on a single sample of data and each call to the function returns the processed output.
<>	129:0ab6a29f35bf	5491	* The library provides separate functions for Q31 and floating-point data types.
<>	129:0ab6a29f35bf	5492	* \par Algorithm
<>	129:0ab6a29f35bf	5493	* \image html parkFormula.gif
<>	129:0ab6a29f35bf	5494	* where <code>Ialpha</code> and <code>Ibeta</code> are the stator vector components,
<>	129:0ab6a29f35bf	5495	* <code>pId</code> and <code>pIq</code> are rotor vector components and <code>cosVal</code> and <code>sinVal</code> are the
<>	129:0ab6a29f35bf	5496	* cosine and sine values of theta (rotor flux position).
<>	129:0ab6a29f35bf	5497	* \par Fixed-Point Behavior
<>	129:0ab6a29f35bf	5498	* Care must be taken when using the Q31 version of the Park transform.
<>	129:0ab6a29f35bf	5499	* In particular, the overflow and saturation behavior of the accumulator used must be considered.
<>	129:0ab6a29f35bf	5500	* Refer to the function specific documentation below for usage guidelines.
<>	129:0ab6a29f35bf	5501	*/
<>	129:0ab6a29f35bf	5502
<>	129:0ab6a29f35bf	5503	/**
<>	129:0ab6a29f35bf	5504	* @addtogroup park
<>	129:0ab6a29f35bf	5505	* @{
<>	129:0ab6a29f35bf	5506	*/
<>	129:0ab6a29f35bf	5507
<>	129:0ab6a29f35bf	5508	/**
<>	129:0ab6a29f35bf	5509	* @brief Floating-point Park transform
<>	129:0ab6a29f35bf	5510	* @param[in] Ialpha input two-phase vector coordinate alpha
<>	129:0ab6a29f35bf	5511	* @param[in] Ibeta input two-phase vector coordinate beta
<>	129:0ab6a29f35bf	5512	* @param[out] *pId points to output rotor reference frame d
<>	129:0ab6a29f35bf	5513	* @param[out] *pIq points to output rotor reference frame q
<>	129:0ab6a29f35bf	5514	* @param[in] sinVal sine value of rotation angle theta
<>	129:0ab6a29f35bf	5515	* @param[in] cosVal cosine value of rotation angle theta
<>	129:0ab6a29f35bf	5516	* @return none.
<>	129:0ab6a29f35bf	5517	*
<>	129:0ab6a29f35bf	5518	* The function implements the forward Park transform.
<>	129:0ab6a29f35bf	5519	*
<>	129:0ab6a29f35bf	5520	*/
<>	129:0ab6a29f35bf	5521
<>	129:0ab6a29f35bf	5522	static __INLINE void arm_park_f32(
<>	129:0ab6a29f35bf	5523	float32_t Ialpha,
<>	129:0ab6a29f35bf	5524	float32_t Ibeta,
<>	129:0ab6a29f35bf	5525	float32_t * pId,
<>	129:0ab6a29f35bf	5526	float32_t * pIq,
<>	129:0ab6a29f35bf	5527	float32_t sinVal,
<>	129:0ab6a29f35bf	5528	float32_t cosVal)
<>	129:0ab6a29f35bf	5529	{
<>	129:0ab6a29f35bf	5530	/* Calculate pId using the equation, pId = Ialpha * cosVal + Ibeta * sinVal */
<>	129:0ab6a29f35bf	5531	pId = Ialpha cosVal + Ibeta * sinVal;
<>	129:0ab6a29f35bf	5532
<>	129:0ab6a29f35bf	5533	/* Calculate pIq using the equation, pIq = - Ialpha * sinVal + Ibeta * cosVal */
<>	129:0ab6a29f35bf	5534	pIq = -Ialpha sinVal + Ibeta * cosVal;
<>	129:0ab6a29f35bf	5535
<>	129:0ab6a29f35bf	5536	}
<>	129:0ab6a29f35bf	5537
<>	129:0ab6a29f35bf	5538	/**
<>	129:0ab6a29f35bf	5539	* @brief Park transform for Q31 version
<>	129:0ab6a29f35bf	5540	* @param[in] Ialpha input two-phase vector coordinate alpha
<>	129:0ab6a29f35bf	5541	* @param[in] Ibeta input two-phase vector coordinate beta
<>	129:0ab6a29f35bf	5542	* @param[out] *pId points to output rotor reference frame d
<>	129:0ab6a29f35bf	5543	* @param[out] *pIq points to output rotor reference frame q
<>	129:0ab6a29f35bf	5544	* @param[in] sinVal sine value of rotation angle theta
<>	129:0ab6a29f35bf	5545	* @param[in] cosVal cosine value of rotation angle theta
<>	129:0ab6a29f35bf	5546	* @return none.
<>	129:0ab6a29f35bf	5547	*
<>	129:0ab6a29f35bf	5548	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5549	* \par
<>	129:0ab6a29f35bf	5550	* The function is implemented using an internal 32-bit accumulator.
<>	129:0ab6a29f35bf	5551	* The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
<>	129:0ab6a29f35bf	5552	* There is saturation on the addition and subtraction, hence there is no risk of overflow.
<>	129:0ab6a29f35bf	5553	*/
<>	129:0ab6a29f35bf	5554
<>	129:0ab6a29f35bf	5555
<>	129:0ab6a29f35bf	5556	static __INLINE void arm_park_q31(
<>	129:0ab6a29f35bf	5557	q31_t Ialpha,
<>	129:0ab6a29f35bf	5558	q31_t Ibeta,
<>	129:0ab6a29f35bf	5559	q31_t * pId,
<>	129:0ab6a29f35bf	5560	q31_t * pIq,
<>	129:0ab6a29f35bf	5561	q31_t sinVal,
<>	129:0ab6a29f35bf	5562	q31_t cosVal)
<>	129:0ab6a29f35bf	5563	{
<>	129:0ab6a29f35bf	5564	q31_t product1, product2; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5565	q31_t product3, product4; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5566
<>	129:0ab6a29f35bf	5567	/* Intermediate product is calculated by (Ialpha * cosVal) */
<>	129:0ab6a29f35bf	5568	product1 = (q31_t) (((q63_t) (Ialpha) * (cosVal)) >> 31);
<>	129:0ab6a29f35bf	5569
<>	129:0ab6a29f35bf	5570	/* Intermediate product is calculated by (Ibeta * sinVal) */
<>	129:0ab6a29f35bf	5571	product2 = (q31_t) (((q63_t) (Ibeta) * (sinVal)) >> 31);
<>	129:0ab6a29f35bf	5572
<>	129:0ab6a29f35bf	5573
<>	129:0ab6a29f35bf	5574	/* Intermediate product is calculated by (Ialpha * sinVal) */
<>	129:0ab6a29f35bf	5575	product3 = (q31_t) (((q63_t) (Ialpha) * (sinVal)) >> 31);
<>	129:0ab6a29f35bf	5576
<>	129:0ab6a29f35bf	5577	/* Intermediate product is calculated by (Ibeta * cosVal) */
<>	129:0ab6a29f35bf	5578	product4 = (q31_t) (((q63_t) (Ibeta) * (cosVal)) >> 31);
<>	129:0ab6a29f35bf	5579
<>	129:0ab6a29f35bf	5580	/* Calculate pId by adding the two intermediate products 1 and 2 */
<>	129:0ab6a29f35bf	5581	*pId = __QADD(product1, product2);
<>	129:0ab6a29f35bf	5582
<>	129:0ab6a29f35bf	5583	/* Calculate pIq by subtracting the two intermediate products 3 from 4 */
<>	129:0ab6a29f35bf	5584	*pIq = __QSUB(product4, product3);
<>	129:0ab6a29f35bf	5585	}
<>	129:0ab6a29f35bf	5586
<>	129:0ab6a29f35bf	5587	/**
<>	129:0ab6a29f35bf	5588	* @} end of park group
<>	129:0ab6a29f35bf	5589	*/
<>	129:0ab6a29f35bf	5590
<>	129:0ab6a29f35bf	5591	/**
<>	129:0ab6a29f35bf	5592	* @brief Converts the elements of the Q7 vector to floating-point vector.
<>	129:0ab6a29f35bf	5593	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	5594	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	5595	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	5596	* @return none.
<>	129:0ab6a29f35bf	5597	*/
<>	129:0ab6a29f35bf	5598	void arm_q7_to_float(
<>	129:0ab6a29f35bf	5599	q7_t * pSrc,
<>	129:0ab6a29f35bf	5600	float32_t * pDst,
<>	129:0ab6a29f35bf	5601	uint32_t blockSize);
<>	129:0ab6a29f35bf	5602
<>	129:0ab6a29f35bf	5603
<>	129:0ab6a29f35bf	5604	/**
<>	129:0ab6a29f35bf	5605	* @ingroup groupController
<>	129:0ab6a29f35bf	5606	*/
<>	129:0ab6a29f35bf	5607
<>	129:0ab6a29f35bf	5608	/**
<>	129:0ab6a29f35bf	5609	* @defgroup inv_park Vector Inverse Park transform
<>	129:0ab6a29f35bf	5610	* Inverse Park transform converts the input flux and torque components to two-coordinate vector.
<>	129:0ab6a29f35bf	5611	*
<>	129:0ab6a29f35bf	5612	* The function operates on a single sample of data and each call to the function returns the processed output.
<>	129:0ab6a29f35bf	5613	* The library provides separate functions for Q31 and floating-point data types.
<>	129:0ab6a29f35bf	5614	* \par Algorithm
<>	129:0ab6a29f35bf	5615	* \image html parkInvFormula.gif
<>	129:0ab6a29f35bf	5616	* where <code>pIalpha</code> and <code>pIbeta</code> are the stator vector components,
<>	129:0ab6a29f35bf	5617	* <code>Id</code> and <code>Iq</code> are rotor vector components and <code>cosVal</code> and <code>sinVal</code> are the
<>	129:0ab6a29f35bf	5618	* cosine and sine values of theta (rotor flux position).
<>	129:0ab6a29f35bf	5619	* \par Fixed-Point Behavior
<>	129:0ab6a29f35bf	5620	* Care must be taken when using the Q31 version of the Park transform.
<>	129:0ab6a29f35bf	5621	* In particular, the overflow and saturation behavior of the accumulator used must be considered.
<>	129:0ab6a29f35bf	5622	* Refer to the function specific documentation below for usage guidelines.
<>	129:0ab6a29f35bf	5623	*/
<>	129:0ab6a29f35bf	5624
<>	129:0ab6a29f35bf	5625	/**
<>	129:0ab6a29f35bf	5626	* @addtogroup inv_park
<>	129:0ab6a29f35bf	5627	* @{
<>	129:0ab6a29f35bf	5628	*/
<>	129:0ab6a29f35bf	5629
<>	129:0ab6a29f35bf	5630	/**
<>	129:0ab6a29f35bf	5631	* @brief Floating-point Inverse Park transform
<>	129:0ab6a29f35bf	5632	* @param[in] Id input coordinate of rotor reference frame d
<>	129:0ab6a29f35bf	5633	* @param[in] Iq input coordinate of rotor reference frame q
<>	129:0ab6a29f35bf	5634	* @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5635	* @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5636	* @param[in] sinVal sine value of rotation angle theta
<>	129:0ab6a29f35bf	5637	* @param[in] cosVal cosine value of rotation angle theta
<>	129:0ab6a29f35bf	5638	* @return none.
<>	129:0ab6a29f35bf	5639	*/
<>	129:0ab6a29f35bf	5640
<>	129:0ab6a29f35bf	5641	static __INLINE void arm_inv_park_f32(
<>	129:0ab6a29f35bf	5642	float32_t Id,
<>	129:0ab6a29f35bf	5643	float32_t Iq,
<>	129:0ab6a29f35bf	5644	float32_t * pIalpha,
<>	129:0ab6a29f35bf	5645	float32_t * pIbeta,
<>	129:0ab6a29f35bf	5646	float32_t sinVal,
<>	129:0ab6a29f35bf	5647	float32_t cosVal)
<>	129:0ab6a29f35bf	5648	{
<>	129:0ab6a29f35bf	5649	/* Calculate pIalpha using the equation, pIalpha = Id * cosVal - Iq * sinVal */
<>	129:0ab6a29f35bf	5650	pIalpha = Id cosVal - Iq * sinVal;
<>	129:0ab6a29f35bf	5651
<>	129:0ab6a29f35bf	5652	/* Calculate pIbeta using the equation, pIbeta = Id * sinVal + Iq * cosVal */
<>	129:0ab6a29f35bf	5653	pIbeta = Id sinVal + Iq * cosVal;
<>	129:0ab6a29f35bf	5654
<>	129:0ab6a29f35bf	5655	}
<>	129:0ab6a29f35bf	5656
<>	129:0ab6a29f35bf	5657
<>	129:0ab6a29f35bf	5658	/**
<>	129:0ab6a29f35bf	5659	* @brief Inverse Park transform for Q31 version
<>	129:0ab6a29f35bf	5660	* @param[in] Id input coordinate of rotor reference frame d
<>	129:0ab6a29f35bf	5661	* @param[in] Iq input coordinate of rotor reference frame q
<>	129:0ab6a29f35bf	5662	* @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
<>	129:0ab6a29f35bf	5663	* @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
<>	129:0ab6a29f35bf	5664	* @param[in] sinVal sine value of rotation angle theta
<>	129:0ab6a29f35bf	5665	* @param[in] cosVal cosine value of rotation angle theta
<>	129:0ab6a29f35bf	5666	* @return none.
<>	129:0ab6a29f35bf	5667	*
<>	129:0ab6a29f35bf	5668	* <b>Scaling and Overflow Behavior:</b>
<>	129:0ab6a29f35bf	5669	* \par
<>	129:0ab6a29f35bf	5670	* The function is implemented using an internal 32-bit accumulator.
<>	129:0ab6a29f35bf	5671	* The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
<>	129:0ab6a29f35bf	5672	* There is saturation on the addition, hence there is no risk of overflow.
<>	129:0ab6a29f35bf	5673	*/
<>	129:0ab6a29f35bf	5674
<>	129:0ab6a29f35bf	5675
<>	129:0ab6a29f35bf	5676	static __INLINE void arm_inv_park_q31(
<>	129:0ab6a29f35bf	5677	q31_t Id,
<>	129:0ab6a29f35bf	5678	q31_t Iq,
<>	129:0ab6a29f35bf	5679	q31_t * pIalpha,
<>	129:0ab6a29f35bf	5680	q31_t * pIbeta,
<>	129:0ab6a29f35bf	5681	q31_t sinVal,
<>	129:0ab6a29f35bf	5682	q31_t cosVal)
<>	129:0ab6a29f35bf	5683	{
<>	129:0ab6a29f35bf	5684	q31_t product1, product2; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5685	q31_t product3, product4; /* Temporary variables used to store intermediate results */
<>	129:0ab6a29f35bf	5686
<>	129:0ab6a29f35bf	5687	/* Intermediate product is calculated by (Id * cosVal) */
<>	129:0ab6a29f35bf	5688	product1 = (q31_t) (((q63_t) (Id) * (cosVal)) >> 31);
<>	129:0ab6a29f35bf	5689
<>	129:0ab6a29f35bf	5690	/* Intermediate product is calculated by (Iq * sinVal) */
<>	129:0ab6a29f35bf	5691	product2 = (q31_t) (((q63_t) (Iq) * (sinVal)) >> 31);
<>	129:0ab6a29f35bf	5692
<>	129:0ab6a29f35bf	5693
<>	129:0ab6a29f35bf	5694	/* Intermediate product is calculated by (Id * sinVal) */
<>	129:0ab6a29f35bf	5695	product3 = (q31_t) (((q63_t) (Id) * (sinVal)) >> 31);
<>	129:0ab6a29f35bf	5696
<>	129:0ab6a29f35bf	5697	/* Intermediate product is calculated by (Iq * cosVal) */
<>	129:0ab6a29f35bf	5698	product4 = (q31_t) (((q63_t) (Iq) * (cosVal)) >> 31);
<>	129:0ab6a29f35bf	5699
<>	129:0ab6a29f35bf	5700	/* Calculate pIalpha by using the two intermediate products 1 and 2 */
<>	129:0ab6a29f35bf	5701	*pIalpha = __QSUB(product1, product2);
<>	129:0ab6a29f35bf	5702
<>	129:0ab6a29f35bf	5703	/* Calculate pIbeta by using the two intermediate products 3 and 4 */
<>	129:0ab6a29f35bf	5704	*pIbeta = __QADD(product4, product3);
<>	129:0ab6a29f35bf	5705
<>	129:0ab6a29f35bf	5706	}
<>	129:0ab6a29f35bf	5707
<>	129:0ab6a29f35bf	5708	/**
<>	129:0ab6a29f35bf	5709	* @} end of Inverse park group
<>	129:0ab6a29f35bf	5710	*/
<>	129:0ab6a29f35bf	5711
<>	129:0ab6a29f35bf	5712
<>	129:0ab6a29f35bf	5713	/**
<>	129:0ab6a29f35bf	5714	* @brief Converts the elements of the Q31 vector to floating-point vector.
<>	129:0ab6a29f35bf	5715	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	5716	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	5717	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	5718	* @return none.
<>	129:0ab6a29f35bf	5719	*/
<>	129:0ab6a29f35bf	5720	void arm_q31_to_float(
<>	129:0ab6a29f35bf	5721	q31_t * pSrc,
<>	129:0ab6a29f35bf	5722	float32_t * pDst,
<>	129:0ab6a29f35bf	5723	uint32_t blockSize);
<>	129:0ab6a29f35bf	5724
<>	129:0ab6a29f35bf	5725	/**
<>	129:0ab6a29f35bf	5726	* @ingroup groupInterpolation
<>	129:0ab6a29f35bf	5727	*/
<>	129:0ab6a29f35bf	5728
<>	129:0ab6a29f35bf	5729	/**
<>	129:0ab6a29f35bf	5730	* @defgroup LinearInterpolate Linear Interpolation
<>	129:0ab6a29f35bf	5731	*
<>	129:0ab6a29f35bf	5732	* Linear interpolation is a method of curve fitting using linear polynomials.
<>	129:0ab6a29f35bf	5733	* Linear interpolation works by effectively drawing a straight line between two neighboring samples and returning the appropriate point along that line
<>	129:0ab6a29f35bf	5734	*
<>	129:0ab6a29f35bf	5735	* \par
<>	129:0ab6a29f35bf	5736	* \image html LinearInterp.gif "Linear interpolation"
<>	129:0ab6a29f35bf	5737	*
<>	129:0ab6a29f35bf	5738	* \par
<>	129:0ab6a29f35bf	5739	* A Linear Interpolate function calculates an output value(y), for the input(x)
<>	129:0ab6a29f35bf	5740	* using linear interpolation of the input values x0, x1( nearest input values) and the output values y0 and y1(nearest output values)
<>	129:0ab6a29f35bf	5741	*
<>	129:0ab6a29f35bf	5742	* \par Algorithm:
<>	129:0ab6a29f35bf	5743	* <pre>
<>	129:0ab6a29f35bf	5744	* y = y0 + (x - x0) * ((y1 - y0)/(x1-x0))
<>	129:0ab6a29f35bf	5745	* where x0, x1 are nearest values of input x
<>	129:0ab6a29f35bf	5746	* y0, y1 are nearest values to output y
<>	129:0ab6a29f35bf	5747	* </pre>
<>	129:0ab6a29f35bf	5748	*
<>	129:0ab6a29f35bf	5749	* \par
<>	129:0ab6a29f35bf	5750	* This set of functions implements Linear interpolation process
<>	129:0ab6a29f35bf	5751	* for Q7, Q15, Q31, and floating-point data types. The functions operate on a single
<>	129:0ab6a29f35bf	5752	* sample of data and each call to the function returns a single processed value.
<>	129:0ab6a29f35bf	5753	* <code>S</code> points to an instance of the Linear Interpolate function data structure.
<>	129:0ab6a29f35bf	5754	* <code>x</code> is the input sample value. The functions returns the output value.
<>	129:0ab6a29f35bf	5755	*
<>	129:0ab6a29f35bf	5756	* \par
<>	129:0ab6a29f35bf	5757	* if x is outside of the table boundary, Linear interpolation returns first value of the table
<>	129:0ab6a29f35bf	5758	* if x is below input range and returns last value of table if x is above range.
<>	129:0ab6a29f35bf	5759	*/
<>	129:0ab6a29f35bf	5760
<>	129:0ab6a29f35bf	5761	/**
<>	129:0ab6a29f35bf	5762	* @addtogroup LinearInterpolate
<>	129:0ab6a29f35bf	5763	* @{
<>	129:0ab6a29f35bf	5764	*/
<>	129:0ab6a29f35bf	5765
<>	129:0ab6a29f35bf	5766	/**
<>	129:0ab6a29f35bf	5767	* @brief Process function for the floating-point Linear Interpolation Function.
<>	129:0ab6a29f35bf	5768	* @param[in,out] *S is an instance of the floating-point Linear Interpolation structure
<>	129:0ab6a29f35bf	5769	* @param[in] x input sample to process
<>	129:0ab6a29f35bf	5770	* @return y processed output sample.
<>	129:0ab6a29f35bf	5771	*
<>	129:0ab6a29f35bf	5772	*/
<>	129:0ab6a29f35bf	5773
<>	129:0ab6a29f35bf	5774	static __INLINE float32_t arm_linear_interp_f32(
<>	129:0ab6a29f35bf	5775	arm_linear_interp_instance_f32 * S,
<>	129:0ab6a29f35bf	5776	float32_t x)
<>	129:0ab6a29f35bf	5777	{
<>	129:0ab6a29f35bf	5778
<>	129:0ab6a29f35bf	5779	float32_t y;
<>	129:0ab6a29f35bf	5780	float32_t x0, x1; /* Nearest input values */
<>	129:0ab6a29f35bf	5781	float32_t y0, y1; /* Nearest output values */
<>	129:0ab6a29f35bf	5782	float32_t xSpacing = S->xSpacing; /* spacing between input values */
<>	129:0ab6a29f35bf	5783	int32_t i; /* Index variable */
<>	129:0ab6a29f35bf	5784	float32_t pYData = S->pYData; / pointer to output table */
<>	129:0ab6a29f35bf	5785
<>	129:0ab6a29f35bf	5786	/* Calculation of index */
<>	129:0ab6a29f35bf	5787	i = (int32_t) ((x - S->x1) / xSpacing);
<>	129:0ab6a29f35bf	5788
<>	129:0ab6a29f35bf	5789	if(i < 0)
<>	129:0ab6a29f35bf	5790	{
<>	129:0ab6a29f35bf	5791	/* Iniatilize output for below specified range as least output value of table */
<>	129:0ab6a29f35bf	5792	y = pYData[0];
<>	129:0ab6a29f35bf	5793	}
<>	129:0ab6a29f35bf	5794	else if((uint32_t)i >= S->nValues)
<>	129:0ab6a29f35bf	5795	{
<>	129:0ab6a29f35bf	5796	/* Iniatilize output for above specified range as last output value of table */
<>	129:0ab6a29f35bf	5797	y = pYData[S->nValues - 1];
<>	129:0ab6a29f35bf	5798	}
<>	129:0ab6a29f35bf	5799	else
<>	129:0ab6a29f35bf	5800	{
<>	129:0ab6a29f35bf	5801	/* Calculation of nearest input values */
<>	129:0ab6a29f35bf	5802	x0 = S->x1 + i * xSpacing;
<>	129:0ab6a29f35bf	5803	x1 = S->x1 + (i + 1) * xSpacing;
<>	129:0ab6a29f35bf	5804
<>	129:0ab6a29f35bf	5805	/* Read of nearest output values */
<>	129:0ab6a29f35bf	5806	y0 = pYData[i];
<>	129:0ab6a29f35bf	5807	y1 = pYData[i + 1];
<>	129:0ab6a29f35bf	5808
<>	129:0ab6a29f35bf	5809	/* Calculation of output */
<>	129:0ab6a29f35bf	5810	y = y0 + (x - x0) * ((y1 - y0) / (x1 - x0));
<>	129:0ab6a29f35bf	5811
<>	129:0ab6a29f35bf	5812	}
<>	129:0ab6a29f35bf	5813
<>	129:0ab6a29f35bf	5814	/* returns output value */
<>	129:0ab6a29f35bf	5815	return (y);
<>	129:0ab6a29f35bf	5816	}
<>	129:0ab6a29f35bf	5817
<>	129:0ab6a29f35bf	5818	/**
<>	129:0ab6a29f35bf	5819	*
<>	129:0ab6a29f35bf	5820	* @brief Process function for the Q31 Linear Interpolation Function.
<>	129:0ab6a29f35bf	5821	* @param[in] *pYData pointer to Q31 Linear Interpolation table
<>	129:0ab6a29f35bf	5822	* @param[in] x input sample to process
<>	129:0ab6a29f35bf	5823	* @param[in] nValues number of table values
<>	129:0ab6a29f35bf	5824	* @return y processed output sample.
<>	129:0ab6a29f35bf	5825	*
<>	129:0ab6a29f35bf	5826	* \par
<>	129:0ab6a29f35bf	5827	* Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
<>	129:0ab6a29f35bf	5828	* This function can support maximum of table size 2^12.
<>	129:0ab6a29f35bf	5829	*
<>	129:0ab6a29f35bf	5830	*/
<>	129:0ab6a29f35bf	5831
<>	129:0ab6a29f35bf	5832
<>	129:0ab6a29f35bf	5833	static __INLINE q31_t arm_linear_interp_q31(
<>	129:0ab6a29f35bf	5834	q31_t * pYData,
<>	129:0ab6a29f35bf	5835	q31_t x,
<>	129:0ab6a29f35bf	5836	uint32_t nValues)
<>	129:0ab6a29f35bf	5837	{
<>	129:0ab6a29f35bf	5838	q31_t y; /* output */
<>	129:0ab6a29f35bf	5839	q31_t y0, y1; /* Nearest output values */
<>	129:0ab6a29f35bf	5840	q31_t fract; /* fractional part */
<>	129:0ab6a29f35bf	5841	int32_t index; /* Index to read nearest output values */
<>	129:0ab6a29f35bf	5842
<>	129:0ab6a29f35bf	5843	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	5844	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	5845	/* Index value calculation */
<>	129:0ab6a29f35bf	5846	index = ((x & 0xFFF00000) >> 20);
<>	129:0ab6a29f35bf	5847
<>	129:0ab6a29f35bf	5848	if(index >= (int32_t)(nValues - 1))
<>	129:0ab6a29f35bf	5849	{
<>	129:0ab6a29f35bf	5850	return (pYData[nValues - 1]);
<>	129:0ab6a29f35bf	5851	}
<>	129:0ab6a29f35bf	5852	else if(index < 0)
<>	129:0ab6a29f35bf	5853	{
<>	129:0ab6a29f35bf	5854	return (pYData[0]);
<>	129:0ab6a29f35bf	5855	}
<>	129:0ab6a29f35bf	5856	else
<>	129:0ab6a29f35bf	5857	{
<>	129:0ab6a29f35bf	5858
<>	129:0ab6a29f35bf	5859	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	5860	/* shift left by 11 to keep fract in 1.31 format */
<>	129:0ab6a29f35bf	5861	fract = (x & 0x000FFFFF) << 11;
<>	129:0ab6a29f35bf	5862
<>	129:0ab6a29f35bf	5863	/* Read two nearest output values from the index in 1.31(q31) format */
<>	129:0ab6a29f35bf	5864	y0 = pYData[index];
<>	129:0ab6a29f35bf	5865	y1 = pYData[index + 1u];
<>	129:0ab6a29f35bf	5866
<>	129:0ab6a29f35bf	5867	/* Calculation of y0 * (1-fract) and y is in 2.30 format */
<>	129:0ab6a29f35bf	5868	y = ((q31_t) ((q63_t) y0 * (0x7FFFFFFF - fract) >> 32));
<>	129:0ab6a29f35bf	5869
<>	129:0ab6a29f35bf	5870	/* Calculation of y0 * (1-fract) + y1 fract and y is in 2.30 format /
<>	129:0ab6a29f35bf	5871	y += ((q31_t) (((q63_t) y1 * fract) >> 32));
<>	129:0ab6a29f35bf	5872
<>	129:0ab6a29f35bf	5873	/* Convert y to 1.31 format */
<>	129:0ab6a29f35bf	5874	return (y << 1u);
<>	129:0ab6a29f35bf	5875
<>	129:0ab6a29f35bf	5876	}
<>	129:0ab6a29f35bf	5877
<>	129:0ab6a29f35bf	5878	}
<>	129:0ab6a29f35bf	5879
<>	129:0ab6a29f35bf	5880	/**
<>	129:0ab6a29f35bf	5881	*
<>	129:0ab6a29f35bf	5882	* @brief Process function for the Q15 Linear Interpolation Function.
<>	129:0ab6a29f35bf	5883	* @param[in] *pYData pointer to Q15 Linear Interpolation table
<>	129:0ab6a29f35bf	5884	* @param[in] x input sample to process
<>	129:0ab6a29f35bf	5885	* @param[in] nValues number of table values
<>	129:0ab6a29f35bf	5886	* @return y processed output sample.
<>	129:0ab6a29f35bf	5887	*
<>	129:0ab6a29f35bf	5888	* \par
<>	129:0ab6a29f35bf	5889	* Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
<>	129:0ab6a29f35bf	5890	* This function can support maximum of table size 2^12.
<>	129:0ab6a29f35bf	5891	*
<>	129:0ab6a29f35bf	5892	*/
<>	129:0ab6a29f35bf	5893
<>	129:0ab6a29f35bf	5894
<>	129:0ab6a29f35bf	5895	static __INLINE q15_t arm_linear_interp_q15(
<>	129:0ab6a29f35bf	5896	q15_t * pYData,
<>	129:0ab6a29f35bf	5897	q31_t x,
<>	129:0ab6a29f35bf	5898	uint32_t nValues)
<>	129:0ab6a29f35bf	5899	{
<>	129:0ab6a29f35bf	5900	q63_t y; /* output */
<>	129:0ab6a29f35bf	5901	q15_t y0, y1; /* Nearest output values */
<>	129:0ab6a29f35bf	5902	q31_t fract; /* fractional part */
<>	129:0ab6a29f35bf	5903	int32_t index; /* Index to read nearest output values */
<>	129:0ab6a29f35bf	5904
<>	129:0ab6a29f35bf	5905	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	5906	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	5907	/* Index value calculation */
<>	129:0ab6a29f35bf	5908	index = ((x & 0xFFF00000) >> 20u);
<>	129:0ab6a29f35bf	5909
<>	129:0ab6a29f35bf	5910	if(index >= (int32_t)(nValues - 1))
<>	129:0ab6a29f35bf	5911	{
<>	129:0ab6a29f35bf	5912	return (pYData[nValues - 1]);
<>	129:0ab6a29f35bf	5913	}
<>	129:0ab6a29f35bf	5914	else if(index < 0)
<>	129:0ab6a29f35bf	5915	{
<>	129:0ab6a29f35bf	5916	return (pYData[0]);
<>	129:0ab6a29f35bf	5917	}
<>	129:0ab6a29f35bf	5918	else
<>	129:0ab6a29f35bf	5919	{
<>	129:0ab6a29f35bf	5920	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	5921	/* fract is in 12.20 format */
<>	129:0ab6a29f35bf	5922	fract = (x & 0x000FFFFF);
<>	129:0ab6a29f35bf	5923
<>	129:0ab6a29f35bf	5924	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	5925	y0 = pYData[index];
<>	129:0ab6a29f35bf	5926	y1 = pYData[index + 1u];
<>	129:0ab6a29f35bf	5927
<>	129:0ab6a29f35bf	5928	/* Calculation of y0 * (1-fract) and y is in 13.35 format */
<>	129:0ab6a29f35bf	5929	y = ((q63_t) y0 * (0xFFFFF - fract));
<>	129:0ab6a29f35bf	5930
<>	129:0ab6a29f35bf	5931	/* Calculation of (y0 * (1-fract) + y1 * fract) and y is in 13.35 format */
<>	129:0ab6a29f35bf	5932	y += ((q63_t) y1 * (fract));
<>	129:0ab6a29f35bf	5933
<>	129:0ab6a29f35bf	5934	/* convert y to 1.15 format */
<>	129:0ab6a29f35bf	5935	return (y >> 20);
<>	129:0ab6a29f35bf	5936	}
<>	129:0ab6a29f35bf	5937
<>	129:0ab6a29f35bf	5938
<>	129:0ab6a29f35bf	5939	}
<>	129:0ab6a29f35bf	5940
<>	129:0ab6a29f35bf	5941	/**
<>	129:0ab6a29f35bf	5942	*
<>	129:0ab6a29f35bf	5943	* @brief Process function for the Q7 Linear Interpolation Function.
<>	129:0ab6a29f35bf	5944	* @param[in] *pYData pointer to Q7 Linear Interpolation table
<>	129:0ab6a29f35bf	5945	* @param[in] x input sample to process
<>	129:0ab6a29f35bf	5946	* @param[in] nValues number of table values
<>	129:0ab6a29f35bf	5947	* @return y processed output sample.
<>	129:0ab6a29f35bf	5948	*
<>	129:0ab6a29f35bf	5949	* \par
<>	129:0ab6a29f35bf	5950	* Input sample <code>x</code> is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
<>	129:0ab6a29f35bf	5951	* This function can support maximum of table size 2^12.
<>	129:0ab6a29f35bf	5952	*/
<>	129:0ab6a29f35bf	5953
<>	129:0ab6a29f35bf	5954
<>	129:0ab6a29f35bf	5955	static __INLINE q7_t arm_linear_interp_q7(
<>	129:0ab6a29f35bf	5956	q7_t * pYData,
<>	129:0ab6a29f35bf	5957	q31_t x,
<>	129:0ab6a29f35bf	5958	uint32_t nValues)
<>	129:0ab6a29f35bf	5959	{
<>	129:0ab6a29f35bf	5960	q31_t y; /* output */
<>	129:0ab6a29f35bf	5961	q7_t y0, y1; /* Nearest output values */
<>	129:0ab6a29f35bf	5962	q31_t fract; /* fractional part */
<>	129:0ab6a29f35bf	5963	uint32_t index; /* Index to read nearest output values */
<>	129:0ab6a29f35bf	5964
<>	129:0ab6a29f35bf	5965	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	5966	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	5967	/* Index value calculation */
<>	129:0ab6a29f35bf	5968	if (x < 0)
<>	129:0ab6a29f35bf	5969	{
<>	129:0ab6a29f35bf	5970	return (pYData[0]);
<>	129:0ab6a29f35bf	5971	}
<>	129:0ab6a29f35bf	5972	index = (x >> 20) & 0xfff;
<>	129:0ab6a29f35bf	5973
<>	129:0ab6a29f35bf	5974
<>	129:0ab6a29f35bf	5975	if(index >= (nValues - 1))
<>	129:0ab6a29f35bf	5976	{
<>	129:0ab6a29f35bf	5977	return (pYData[nValues - 1]);
<>	129:0ab6a29f35bf	5978	}
<>	129:0ab6a29f35bf	5979	else
<>	129:0ab6a29f35bf	5980	{
<>	129:0ab6a29f35bf	5981
<>	129:0ab6a29f35bf	5982	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	5983	/* fract is in 12.20 format */
<>	129:0ab6a29f35bf	5984	fract = (x & 0x000FFFFF);
<>	129:0ab6a29f35bf	5985
<>	129:0ab6a29f35bf	5986	/* Read two nearest output values from the index and are in 1.7(q7) format */
<>	129:0ab6a29f35bf	5987	y0 = pYData[index];
<>	129:0ab6a29f35bf	5988	y1 = pYData[index + 1u];
<>	129:0ab6a29f35bf	5989
<>	129:0ab6a29f35bf	5990	/* Calculation of y0 * (1-fract ) and y is in 13.27(q27) format */
<>	129:0ab6a29f35bf	5991	y = ((y0 * (0xFFFFF - fract)));
<>	129:0ab6a29f35bf	5992
<>	129:0ab6a29f35bf	5993	/* Calculation of y1 * fract + y0 * (1-fract) and y is in 13.27(q27) format */
<>	129:0ab6a29f35bf	5994	y += (y1 * fract);
<>	129:0ab6a29f35bf	5995
<>	129:0ab6a29f35bf	5996	/* convert y to 1.7(q7) format */
<>	129:0ab6a29f35bf	5997	return (y >> 20u);
<>	129:0ab6a29f35bf	5998
<>	129:0ab6a29f35bf	5999	}
<>	129:0ab6a29f35bf	6000
<>	129:0ab6a29f35bf	6001	}
<>	129:0ab6a29f35bf	6002	/**
<>	129:0ab6a29f35bf	6003	* @} end of LinearInterpolate group
<>	129:0ab6a29f35bf	6004	*/
<>	129:0ab6a29f35bf	6005
<>	129:0ab6a29f35bf	6006	/**
<>	129:0ab6a29f35bf	6007	* @brief Fast approximation to the trigonometric sine function for floating-point data.
<>	129:0ab6a29f35bf	6008	* @param[in] x input value in radians.
<>	129:0ab6a29f35bf	6009	* @return sin(x).
<>	129:0ab6a29f35bf	6010	*/
<>	129:0ab6a29f35bf	6011
<>	129:0ab6a29f35bf	6012	float32_t arm_sin_f32(
<>	129:0ab6a29f35bf	6013	float32_t x);
<>	129:0ab6a29f35bf	6014
<>	129:0ab6a29f35bf	6015	/**
<>	129:0ab6a29f35bf	6016	* @brief Fast approximation to the trigonometric sine function for Q31 data.
<>	129:0ab6a29f35bf	6017	* @param[in] x Scaled input value in radians.
<>	129:0ab6a29f35bf	6018	* @return sin(x).
<>	129:0ab6a29f35bf	6019	*/
<>	129:0ab6a29f35bf	6020
<>	129:0ab6a29f35bf	6021	q31_t arm_sin_q31(
<>	129:0ab6a29f35bf	6022	q31_t x);
<>	129:0ab6a29f35bf	6023
<>	129:0ab6a29f35bf	6024	/**
<>	129:0ab6a29f35bf	6025	* @brief Fast approximation to the trigonometric sine function for Q15 data.
<>	129:0ab6a29f35bf	6026	* @param[in] x Scaled input value in radians.
<>	129:0ab6a29f35bf	6027	* @return sin(x).
<>	129:0ab6a29f35bf	6028	*/
<>	129:0ab6a29f35bf	6029
<>	129:0ab6a29f35bf	6030	q15_t arm_sin_q15(
<>	129:0ab6a29f35bf	6031	q15_t x);
<>	129:0ab6a29f35bf	6032
<>	129:0ab6a29f35bf	6033	/**
<>	129:0ab6a29f35bf	6034	* @brief Fast approximation to the trigonometric cosine function for floating-point data.
<>	129:0ab6a29f35bf	6035	* @param[in] x input value in radians.
<>	129:0ab6a29f35bf	6036	* @return cos(x).
<>	129:0ab6a29f35bf	6037	*/
<>	129:0ab6a29f35bf	6038
<>	129:0ab6a29f35bf	6039	float32_t arm_cos_f32(
<>	129:0ab6a29f35bf	6040	float32_t x);
<>	129:0ab6a29f35bf	6041
<>	129:0ab6a29f35bf	6042	/**
<>	129:0ab6a29f35bf	6043	* @brief Fast approximation to the trigonometric cosine function for Q31 data.
<>	129:0ab6a29f35bf	6044	* @param[in] x Scaled input value in radians.
<>	129:0ab6a29f35bf	6045	* @return cos(x).
<>	129:0ab6a29f35bf	6046	*/
<>	129:0ab6a29f35bf	6047
<>	129:0ab6a29f35bf	6048	q31_t arm_cos_q31(
<>	129:0ab6a29f35bf	6049	q31_t x);
<>	129:0ab6a29f35bf	6050
<>	129:0ab6a29f35bf	6051	/**
<>	129:0ab6a29f35bf	6052	* @brief Fast approximation to the trigonometric cosine function for Q15 data.
<>	129:0ab6a29f35bf	6053	* @param[in] x Scaled input value in radians.
<>	129:0ab6a29f35bf	6054	* @return cos(x).
<>	129:0ab6a29f35bf	6055	*/
<>	129:0ab6a29f35bf	6056
<>	129:0ab6a29f35bf	6057	q15_t arm_cos_q15(
<>	129:0ab6a29f35bf	6058	q15_t x);
<>	129:0ab6a29f35bf	6059
<>	129:0ab6a29f35bf	6060
<>	129:0ab6a29f35bf	6061	/**
<>	129:0ab6a29f35bf	6062	* @ingroup groupFastMath
<>	129:0ab6a29f35bf	6063	*/
<>	129:0ab6a29f35bf	6064
<>	129:0ab6a29f35bf	6065
<>	129:0ab6a29f35bf	6066	/**
<>	129:0ab6a29f35bf	6067	* @defgroup SQRT Square Root
<>	129:0ab6a29f35bf	6068	*
<>	129:0ab6a29f35bf	6069	* Computes the square root of a number.
<>	129:0ab6a29f35bf	6070	* There are separate functions for Q15, Q31, and floating-point data types.
<>	129:0ab6a29f35bf	6071	* The square root function is computed using the Newton-Raphson algorithm.
<>	129:0ab6a29f35bf	6072	* This is an iterative algorithm of the form:
<>	129:0ab6a29f35bf	6073	* <pre>
<>	129:0ab6a29f35bf	6074	* x1 = x0 - f(x0)/f'(x0)
<>	129:0ab6a29f35bf	6075	* </pre>
<>	129:0ab6a29f35bf	6076	* where <code>x1</code> is the current estimate,
<>	129:0ab6a29f35bf	6077	* <code>x0</code> is the previous estimate, and
<>	129:0ab6a29f35bf	6078	* <code>f'(x0)</code> is the derivative of <code>f()</code> evaluated at <code>x0</code>.
<>	129:0ab6a29f35bf	6079	* For the square root function, the algorithm reduces to:
<>	129:0ab6a29f35bf	6080	* <pre>
<>	129:0ab6a29f35bf	6081	* x0 = in/2 [initial guess]
<>	129:0ab6a29f35bf	6082	* x1 = 1/2 * ( x0 + in / x0) [each iteration]
<>	129:0ab6a29f35bf	6083	* </pre>
<>	129:0ab6a29f35bf	6084	*/
<>	129:0ab6a29f35bf	6085
<>	129:0ab6a29f35bf	6086
<>	129:0ab6a29f35bf	6087	/**
<>	129:0ab6a29f35bf	6088	* @addtogroup SQRT
<>	129:0ab6a29f35bf	6089	* @{
<>	129:0ab6a29f35bf	6090	*/
<>	129:0ab6a29f35bf	6091
<>	129:0ab6a29f35bf	6092	/**
<>	129:0ab6a29f35bf	6093	* @brief Floating-point square root function.
<>	129:0ab6a29f35bf	6094	* @param[in] in input value.
<>	129:0ab6a29f35bf	6095	* @param[out] *pOut square root of input value.
<>	129:0ab6a29f35bf	6096	* @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
<>	129:0ab6a29f35bf	6097	* <code>in</code> is negative value and returns zero output for negative values.
<>	129:0ab6a29f35bf	6098	*/
<>	129:0ab6a29f35bf	6099
<>	129:0ab6a29f35bf	6100	static __INLINE arm_status arm_sqrt_f32(
<>	129:0ab6a29f35bf	6101	float32_t in,
<>	129:0ab6a29f35bf	6102	float32_t * pOut)
<>	129:0ab6a29f35bf	6103	{
<>	129:0ab6a29f35bf	6104	if(in >= 0.0f)
<>	129:0ab6a29f35bf	6105	{
<>	129:0ab6a29f35bf	6106
<>	129:0ab6a29f35bf	6107	// #if __FPU_USED
<>	129:0ab6a29f35bf	6108	#if (__FPU_USED == 1) && defined ( __CC_ARM )
<>	129:0ab6a29f35bf	6109	*pOut = __sqrtf(in);
<>	129:0ab6a29f35bf	6110	#else
<>	129:0ab6a29f35bf	6111	*pOut = sqrtf(in);
<>	129:0ab6a29f35bf	6112	#endif
<>	129:0ab6a29f35bf	6113
<>	129:0ab6a29f35bf	6114	return (ARM_MATH_SUCCESS);
<>	129:0ab6a29f35bf	6115	}
<>	129:0ab6a29f35bf	6116	else
<>	129:0ab6a29f35bf	6117	{
<>	129:0ab6a29f35bf	6118	*pOut = 0.0f;
<>	129:0ab6a29f35bf	6119	return (ARM_MATH_ARGUMENT_ERROR);
<>	129:0ab6a29f35bf	6120	}
<>	129:0ab6a29f35bf	6121
<>	129:0ab6a29f35bf	6122	}
<>	129:0ab6a29f35bf	6123
<>	129:0ab6a29f35bf	6124
<>	129:0ab6a29f35bf	6125	/**
<>	129:0ab6a29f35bf	6126	* @brief Q31 square root function.
<>	129:0ab6a29f35bf	6127	* @param[in] in input value. The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.
<>	129:0ab6a29f35bf	6128	* @param[out] *pOut square root of input value.
<>	129:0ab6a29f35bf	6129	* @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
<>	129:0ab6a29f35bf	6130	* <code>in</code> is negative value and returns zero output for negative values.
<>	129:0ab6a29f35bf	6131	*/
<>	129:0ab6a29f35bf	6132	arm_status arm_sqrt_q31(
<>	129:0ab6a29f35bf	6133	q31_t in,
<>	129:0ab6a29f35bf	6134	q31_t * pOut);
<>	129:0ab6a29f35bf	6135
<>	129:0ab6a29f35bf	6136	/**
<>	129:0ab6a29f35bf	6137	* @brief Q15 square root function.
<>	129:0ab6a29f35bf	6138	* @param[in] in input value. The range of the input value is [0 +1) or 0x0000 to 0x7FFF.
<>	129:0ab6a29f35bf	6139	* @param[out] *pOut square root of input value.
<>	129:0ab6a29f35bf	6140	* @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
<>	129:0ab6a29f35bf	6141	* <code>in</code> is negative value and returns zero output for negative values.
<>	129:0ab6a29f35bf	6142	*/
<>	129:0ab6a29f35bf	6143	arm_status arm_sqrt_q15(
<>	129:0ab6a29f35bf	6144	q15_t in,
<>	129:0ab6a29f35bf	6145	q15_t * pOut);
<>	129:0ab6a29f35bf	6146
<>	129:0ab6a29f35bf	6147	/**
<>	129:0ab6a29f35bf	6148	* @} end of SQRT group
<>	129:0ab6a29f35bf	6149	*/
<>	129:0ab6a29f35bf	6150
<>	129:0ab6a29f35bf	6151
<>	129:0ab6a29f35bf	6152
<>	129:0ab6a29f35bf	6153
<>	129:0ab6a29f35bf	6154
<>	129:0ab6a29f35bf	6155
<>	129:0ab6a29f35bf	6156	/**
<>	129:0ab6a29f35bf	6157	* @brief floating-point Circular write function.
<>	129:0ab6a29f35bf	6158	*/
<>	129:0ab6a29f35bf	6159
<>	129:0ab6a29f35bf	6160	static __INLINE void arm_circularWrite_f32(
<>	129:0ab6a29f35bf	6161	int32_t * circBuffer,
<>	129:0ab6a29f35bf	6162	int32_t L,
<>	129:0ab6a29f35bf	6163	uint16_t * writeOffset,
<>	129:0ab6a29f35bf	6164	int32_t bufferInc,
<>	129:0ab6a29f35bf	6165	const int32_t * src,
<>	129:0ab6a29f35bf	6166	int32_t srcInc,
<>	129:0ab6a29f35bf	6167	uint32_t blockSize)
<>	129:0ab6a29f35bf	6168	{
<>	129:0ab6a29f35bf	6169	uint32_t i = 0u;
<>	129:0ab6a29f35bf	6170	int32_t wOffset;
<>	129:0ab6a29f35bf	6171
<>	129:0ab6a29f35bf	6172	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6173	* to the current location where the input samples to be copied */
<>	129:0ab6a29f35bf	6174	wOffset = *writeOffset;
<>	129:0ab6a29f35bf	6175
<>	129:0ab6a29f35bf	6176	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6177	i = blockSize;
<>	129:0ab6a29f35bf	6178
<>	129:0ab6a29f35bf	6179	while(i > 0u)
<>	129:0ab6a29f35bf	6180	{
<>	129:0ab6a29f35bf	6181	/* copy the input sample to the circular buffer */
<>	129:0ab6a29f35bf	6182	circBuffer[wOffset] = *src;
<>	129:0ab6a29f35bf	6183
<>	129:0ab6a29f35bf	6184	/* Update the input pointer */
<>	129:0ab6a29f35bf	6185	src += srcInc;
<>	129:0ab6a29f35bf	6186
<>	129:0ab6a29f35bf	6187	/* Circularly update wOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6188	wOffset += bufferInc;
<>	129:0ab6a29f35bf	6189	if(wOffset >= L)
<>	129:0ab6a29f35bf	6190	wOffset -= L;
<>	129:0ab6a29f35bf	6191
<>	129:0ab6a29f35bf	6192	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6193	i--;
<>	129:0ab6a29f35bf	6194	}
<>	129:0ab6a29f35bf	6195
<>	129:0ab6a29f35bf	6196	/* Update the index pointer */
<>	129:0ab6a29f35bf	6197	*writeOffset = wOffset;
<>	129:0ab6a29f35bf	6198	}
<>	129:0ab6a29f35bf	6199
<>	129:0ab6a29f35bf	6200
<>	129:0ab6a29f35bf	6201
<>	129:0ab6a29f35bf	6202	/**
<>	129:0ab6a29f35bf	6203	* @brief floating-point Circular Read function.
<>	129:0ab6a29f35bf	6204	*/
<>	129:0ab6a29f35bf	6205	static __INLINE void arm_circularRead_f32(
<>	129:0ab6a29f35bf	6206	int32_t * circBuffer,
<>	129:0ab6a29f35bf	6207	int32_t L,
<>	129:0ab6a29f35bf	6208	int32_t * readOffset,
<>	129:0ab6a29f35bf	6209	int32_t bufferInc,
<>	129:0ab6a29f35bf	6210	int32_t * dst,
<>	129:0ab6a29f35bf	6211	int32_t * dst_base,
<>	129:0ab6a29f35bf	6212	int32_t dst_length,
<>	129:0ab6a29f35bf	6213	int32_t dstInc,
<>	129:0ab6a29f35bf	6214	uint32_t blockSize)
<>	129:0ab6a29f35bf	6215	{
<>	129:0ab6a29f35bf	6216	uint32_t i = 0u;
<>	129:0ab6a29f35bf	6217	int32_t rOffset, dst_end;
<>	129:0ab6a29f35bf	6218
<>	129:0ab6a29f35bf	6219	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6220	* to the current location from where the input samples to be read */
<>	129:0ab6a29f35bf	6221	rOffset = *readOffset;
<>	129:0ab6a29f35bf	6222	dst_end = (int32_t) (dst_base + dst_length);
<>	129:0ab6a29f35bf	6223
<>	129:0ab6a29f35bf	6224	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6225	i = blockSize;
<>	129:0ab6a29f35bf	6226
<>	129:0ab6a29f35bf	6227	while(i > 0u)
<>	129:0ab6a29f35bf	6228	{
<>	129:0ab6a29f35bf	6229	/* copy the sample from the circular buffer to the destination buffer */
<>	129:0ab6a29f35bf	6230	*dst = circBuffer[rOffset];
<>	129:0ab6a29f35bf	6231
<>	129:0ab6a29f35bf	6232	/* Update the input pointer */
<>	129:0ab6a29f35bf	6233	dst += dstInc;
<>	129:0ab6a29f35bf	6234
<>	129:0ab6a29f35bf	6235	if(dst == (int32_t *) dst_end)
<>	129:0ab6a29f35bf	6236	{
<>	129:0ab6a29f35bf	6237	dst = dst_base;
<>	129:0ab6a29f35bf	6238	}
<>	129:0ab6a29f35bf	6239
<>	129:0ab6a29f35bf	6240	/* Circularly update rOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6241	rOffset += bufferInc;
<>	129:0ab6a29f35bf	6242
<>	129:0ab6a29f35bf	6243	if(rOffset >= L)
<>	129:0ab6a29f35bf	6244	{
<>	129:0ab6a29f35bf	6245	rOffset -= L;
<>	129:0ab6a29f35bf	6246	}
<>	129:0ab6a29f35bf	6247
<>	129:0ab6a29f35bf	6248	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6249	i--;
<>	129:0ab6a29f35bf	6250	}
<>	129:0ab6a29f35bf	6251
<>	129:0ab6a29f35bf	6252	/* Update the index pointer */
<>	129:0ab6a29f35bf	6253	*readOffset = rOffset;
<>	129:0ab6a29f35bf	6254	}
<>	129:0ab6a29f35bf	6255
<>	129:0ab6a29f35bf	6256	/**
<>	129:0ab6a29f35bf	6257	* @brief Q15 Circular write function.
<>	129:0ab6a29f35bf	6258	*/
<>	129:0ab6a29f35bf	6259
<>	129:0ab6a29f35bf	6260	static __INLINE void arm_circularWrite_q15(
<>	129:0ab6a29f35bf	6261	q15_t * circBuffer,
<>	129:0ab6a29f35bf	6262	int32_t L,
<>	129:0ab6a29f35bf	6263	uint16_t * writeOffset,
<>	129:0ab6a29f35bf	6264	int32_t bufferInc,
<>	129:0ab6a29f35bf	6265	const q15_t * src,
<>	129:0ab6a29f35bf	6266	int32_t srcInc,
<>	129:0ab6a29f35bf	6267	uint32_t blockSize)
<>	129:0ab6a29f35bf	6268	{
<>	129:0ab6a29f35bf	6269	uint32_t i = 0u;
<>	129:0ab6a29f35bf	6270	int32_t wOffset;
<>	129:0ab6a29f35bf	6271
<>	129:0ab6a29f35bf	6272	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6273	* to the current location where the input samples to be copied */
<>	129:0ab6a29f35bf	6274	wOffset = *writeOffset;
<>	129:0ab6a29f35bf	6275
<>	129:0ab6a29f35bf	6276	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6277	i = blockSize;
<>	129:0ab6a29f35bf	6278
<>	129:0ab6a29f35bf	6279	while(i > 0u)
<>	129:0ab6a29f35bf	6280	{
<>	129:0ab6a29f35bf	6281	/* copy the input sample to the circular buffer */
<>	129:0ab6a29f35bf	6282	circBuffer[wOffset] = *src;
<>	129:0ab6a29f35bf	6283
<>	129:0ab6a29f35bf	6284	/* Update the input pointer */
<>	129:0ab6a29f35bf	6285	src += srcInc;
<>	129:0ab6a29f35bf	6286
<>	129:0ab6a29f35bf	6287	/* Circularly update wOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6288	wOffset += bufferInc;
<>	129:0ab6a29f35bf	6289	if(wOffset >= L)
<>	129:0ab6a29f35bf	6290	wOffset -= L;
<>	129:0ab6a29f35bf	6291
<>	129:0ab6a29f35bf	6292	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6293	i--;
<>	129:0ab6a29f35bf	6294	}
<>	129:0ab6a29f35bf	6295
<>	129:0ab6a29f35bf	6296	/* Update the index pointer */
<>	129:0ab6a29f35bf	6297	*writeOffset = wOffset;
<>	129:0ab6a29f35bf	6298	}
<>	129:0ab6a29f35bf	6299
<>	129:0ab6a29f35bf	6300
<>	129:0ab6a29f35bf	6301
<>	129:0ab6a29f35bf	6302	/**
<>	129:0ab6a29f35bf	6303	* @brief Q15 Circular Read function.
<>	129:0ab6a29f35bf	6304	*/
<>	129:0ab6a29f35bf	6305	static __INLINE void arm_circularRead_q15(
<>	129:0ab6a29f35bf	6306	q15_t * circBuffer,
<>	129:0ab6a29f35bf	6307	int32_t L,
<>	129:0ab6a29f35bf	6308	int32_t * readOffset,
<>	129:0ab6a29f35bf	6309	int32_t bufferInc,
<>	129:0ab6a29f35bf	6310	q15_t * dst,
<>	129:0ab6a29f35bf	6311	q15_t * dst_base,
<>	129:0ab6a29f35bf	6312	int32_t dst_length,
<>	129:0ab6a29f35bf	6313	int32_t dstInc,
<>	129:0ab6a29f35bf	6314	uint32_t blockSize)
<>	129:0ab6a29f35bf	6315	{
<>	129:0ab6a29f35bf	6316	uint32_t i = 0;
<>	129:0ab6a29f35bf	6317	int32_t rOffset, dst_end;
<>	129:0ab6a29f35bf	6318
<>	129:0ab6a29f35bf	6319	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6320	* to the current location from where the input samples to be read */
<>	129:0ab6a29f35bf	6321	rOffset = *readOffset;
<>	129:0ab6a29f35bf	6322
<>	129:0ab6a29f35bf	6323	dst_end = (int32_t) (dst_base + dst_length);
<>	129:0ab6a29f35bf	6324
<>	129:0ab6a29f35bf	6325	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6326	i = blockSize;
<>	129:0ab6a29f35bf	6327
<>	129:0ab6a29f35bf	6328	while(i > 0u)
<>	129:0ab6a29f35bf	6329	{
<>	129:0ab6a29f35bf	6330	/* copy the sample from the circular buffer to the destination buffer */
<>	129:0ab6a29f35bf	6331	*dst = circBuffer[rOffset];
<>	129:0ab6a29f35bf	6332
<>	129:0ab6a29f35bf	6333	/* Update the input pointer */
<>	129:0ab6a29f35bf	6334	dst += dstInc;
<>	129:0ab6a29f35bf	6335
<>	129:0ab6a29f35bf	6336	if(dst == (q15_t *) dst_end)
<>	129:0ab6a29f35bf	6337	{
<>	129:0ab6a29f35bf	6338	dst = dst_base;
<>	129:0ab6a29f35bf	6339	}
<>	129:0ab6a29f35bf	6340
<>	129:0ab6a29f35bf	6341	/* Circularly update wOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6342	rOffset += bufferInc;
<>	129:0ab6a29f35bf	6343
<>	129:0ab6a29f35bf	6344	if(rOffset >= L)
<>	129:0ab6a29f35bf	6345	{
<>	129:0ab6a29f35bf	6346	rOffset -= L;
<>	129:0ab6a29f35bf	6347	}
<>	129:0ab6a29f35bf	6348
<>	129:0ab6a29f35bf	6349	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6350	i--;
<>	129:0ab6a29f35bf	6351	}
<>	129:0ab6a29f35bf	6352
<>	129:0ab6a29f35bf	6353	/* Update the index pointer */
<>	129:0ab6a29f35bf	6354	*readOffset = rOffset;
<>	129:0ab6a29f35bf	6355	}
<>	129:0ab6a29f35bf	6356
<>	129:0ab6a29f35bf	6357
<>	129:0ab6a29f35bf	6358	/**
<>	129:0ab6a29f35bf	6359	* @brief Q7 Circular write function.
<>	129:0ab6a29f35bf	6360	*/
<>	129:0ab6a29f35bf	6361
<>	129:0ab6a29f35bf	6362	static __INLINE void arm_circularWrite_q7(
<>	129:0ab6a29f35bf	6363	q7_t * circBuffer,
<>	129:0ab6a29f35bf	6364	int32_t L,
<>	129:0ab6a29f35bf	6365	uint16_t * writeOffset,
<>	129:0ab6a29f35bf	6366	int32_t bufferInc,
<>	129:0ab6a29f35bf	6367	const q7_t * src,
<>	129:0ab6a29f35bf	6368	int32_t srcInc,
<>	129:0ab6a29f35bf	6369	uint32_t blockSize)
<>	129:0ab6a29f35bf	6370	{
<>	129:0ab6a29f35bf	6371	uint32_t i = 0u;
<>	129:0ab6a29f35bf	6372	int32_t wOffset;
<>	129:0ab6a29f35bf	6373
<>	129:0ab6a29f35bf	6374	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6375	* to the current location where the input samples to be copied */
<>	129:0ab6a29f35bf	6376	wOffset = *writeOffset;
<>	129:0ab6a29f35bf	6377
<>	129:0ab6a29f35bf	6378	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6379	i = blockSize;
<>	129:0ab6a29f35bf	6380
<>	129:0ab6a29f35bf	6381	while(i > 0u)
<>	129:0ab6a29f35bf	6382	{
<>	129:0ab6a29f35bf	6383	/* copy the input sample to the circular buffer */
<>	129:0ab6a29f35bf	6384	circBuffer[wOffset] = *src;
<>	129:0ab6a29f35bf	6385
<>	129:0ab6a29f35bf	6386	/* Update the input pointer */
<>	129:0ab6a29f35bf	6387	src += srcInc;
<>	129:0ab6a29f35bf	6388
<>	129:0ab6a29f35bf	6389	/* Circularly update wOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6390	wOffset += bufferInc;
<>	129:0ab6a29f35bf	6391	if(wOffset >= L)
<>	129:0ab6a29f35bf	6392	wOffset -= L;
<>	129:0ab6a29f35bf	6393
<>	129:0ab6a29f35bf	6394	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6395	i--;
<>	129:0ab6a29f35bf	6396	}
<>	129:0ab6a29f35bf	6397
<>	129:0ab6a29f35bf	6398	/* Update the index pointer */
<>	129:0ab6a29f35bf	6399	*writeOffset = wOffset;
<>	129:0ab6a29f35bf	6400	}
<>	129:0ab6a29f35bf	6401
<>	129:0ab6a29f35bf	6402
<>	129:0ab6a29f35bf	6403
<>	129:0ab6a29f35bf	6404	/**
<>	129:0ab6a29f35bf	6405	* @brief Q7 Circular Read function.
<>	129:0ab6a29f35bf	6406	*/
<>	129:0ab6a29f35bf	6407	static __INLINE void arm_circularRead_q7(
<>	129:0ab6a29f35bf	6408	q7_t * circBuffer,
<>	129:0ab6a29f35bf	6409	int32_t L,
<>	129:0ab6a29f35bf	6410	int32_t * readOffset,
<>	129:0ab6a29f35bf	6411	int32_t bufferInc,
<>	129:0ab6a29f35bf	6412	q7_t * dst,
<>	129:0ab6a29f35bf	6413	q7_t * dst_base,
<>	129:0ab6a29f35bf	6414	int32_t dst_length,
<>	129:0ab6a29f35bf	6415	int32_t dstInc,
<>	129:0ab6a29f35bf	6416	uint32_t blockSize)
<>	129:0ab6a29f35bf	6417	{
<>	129:0ab6a29f35bf	6418	uint32_t i = 0;
<>	129:0ab6a29f35bf	6419	int32_t rOffset, dst_end;
<>	129:0ab6a29f35bf	6420
<>	129:0ab6a29f35bf	6421	/* Copy the value of Index pointer that points
<>	129:0ab6a29f35bf	6422	* to the current location from where the input samples to be read */
<>	129:0ab6a29f35bf	6423	rOffset = *readOffset;
<>	129:0ab6a29f35bf	6424
<>	129:0ab6a29f35bf	6425	dst_end = (int32_t) (dst_base + dst_length);
<>	129:0ab6a29f35bf	6426
<>	129:0ab6a29f35bf	6427	/* Loop over the blockSize */
<>	129:0ab6a29f35bf	6428	i = blockSize;
<>	129:0ab6a29f35bf	6429
<>	129:0ab6a29f35bf	6430	while(i > 0u)
<>	129:0ab6a29f35bf	6431	{
<>	129:0ab6a29f35bf	6432	/* copy the sample from the circular buffer to the destination buffer */
<>	129:0ab6a29f35bf	6433	*dst = circBuffer[rOffset];
<>	129:0ab6a29f35bf	6434
<>	129:0ab6a29f35bf	6435	/* Update the input pointer */
<>	129:0ab6a29f35bf	6436	dst += dstInc;
<>	129:0ab6a29f35bf	6437
<>	129:0ab6a29f35bf	6438	if(dst == (q7_t *) dst_end)
<>	129:0ab6a29f35bf	6439	{
<>	129:0ab6a29f35bf	6440	dst = dst_base;
<>	129:0ab6a29f35bf	6441	}
<>	129:0ab6a29f35bf	6442
<>	129:0ab6a29f35bf	6443	/* Circularly update rOffset. Watch out for positive and negative value */
<>	129:0ab6a29f35bf	6444	rOffset += bufferInc;
<>	129:0ab6a29f35bf	6445
<>	129:0ab6a29f35bf	6446	if(rOffset >= L)
<>	129:0ab6a29f35bf	6447	{
<>	129:0ab6a29f35bf	6448	rOffset -= L;
<>	129:0ab6a29f35bf	6449	}
<>	129:0ab6a29f35bf	6450
<>	129:0ab6a29f35bf	6451	/* Decrement the loop counter */
<>	129:0ab6a29f35bf	6452	i--;
<>	129:0ab6a29f35bf	6453	}
<>	129:0ab6a29f35bf	6454
<>	129:0ab6a29f35bf	6455	/* Update the index pointer */
<>	129:0ab6a29f35bf	6456	*readOffset = rOffset;
<>	129:0ab6a29f35bf	6457	}
<>	129:0ab6a29f35bf	6458
<>	129:0ab6a29f35bf	6459
<>	129:0ab6a29f35bf	6460	/**
<>	129:0ab6a29f35bf	6461	* @brief Sum of the squares of the elements of a Q31 vector.
<>	129:0ab6a29f35bf	6462	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6463	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6464	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6465	* @return none.
<>	129:0ab6a29f35bf	6466	*/
<>	129:0ab6a29f35bf	6467
<>	129:0ab6a29f35bf	6468	void arm_power_q31(
<>	129:0ab6a29f35bf	6469	q31_t * pSrc,
<>	129:0ab6a29f35bf	6470	uint32_t blockSize,
<>	129:0ab6a29f35bf	6471	q63_t * pResult);
<>	129:0ab6a29f35bf	6472
<>	129:0ab6a29f35bf	6473	/**
<>	129:0ab6a29f35bf	6474	* @brief Sum of the squares of the elements of a floating-point vector.
<>	129:0ab6a29f35bf	6475	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6476	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6477	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6478	* @return none.
<>	129:0ab6a29f35bf	6479	*/
<>	129:0ab6a29f35bf	6480
<>	129:0ab6a29f35bf	6481	void arm_power_f32(
<>	129:0ab6a29f35bf	6482	float32_t * pSrc,
<>	129:0ab6a29f35bf	6483	uint32_t blockSize,
<>	129:0ab6a29f35bf	6484	float32_t * pResult);
<>	129:0ab6a29f35bf	6485
<>	129:0ab6a29f35bf	6486	/**
<>	129:0ab6a29f35bf	6487	* @brief Sum of the squares of the elements of a Q15 vector.
<>	129:0ab6a29f35bf	6488	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6489	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6490	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6491	* @return none.
<>	129:0ab6a29f35bf	6492	*/
<>	129:0ab6a29f35bf	6493
<>	129:0ab6a29f35bf	6494	void arm_power_q15(
<>	129:0ab6a29f35bf	6495	q15_t * pSrc,
<>	129:0ab6a29f35bf	6496	uint32_t blockSize,
<>	129:0ab6a29f35bf	6497	q63_t * pResult);
<>	129:0ab6a29f35bf	6498
<>	129:0ab6a29f35bf	6499	/**
<>	129:0ab6a29f35bf	6500	* @brief Sum of the squares of the elements of a Q7 vector.
<>	129:0ab6a29f35bf	6501	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6502	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6503	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6504	* @return none.
<>	129:0ab6a29f35bf	6505	*/
<>	129:0ab6a29f35bf	6506
<>	129:0ab6a29f35bf	6507	void arm_power_q7(
<>	129:0ab6a29f35bf	6508	q7_t * pSrc,
<>	129:0ab6a29f35bf	6509	uint32_t blockSize,
<>	129:0ab6a29f35bf	6510	q31_t * pResult);
<>	129:0ab6a29f35bf	6511
<>	129:0ab6a29f35bf	6512	/**
<>	129:0ab6a29f35bf	6513	* @brief Mean value of a Q7 vector.
<>	129:0ab6a29f35bf	6514	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6515	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6516	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6517	* @return none.
<>	129:0ab6a29f35bf	6518	*/
<>	129:0ab6a29f35bf	6519
<>	129:0ab6a29f35bf	6520	void arm_mean_q7(
<>	129:0ab6a29f35bf	6521	q7_t * pSrc,
<>	129:0ab6a29f35bf	6522	uint32_t blockSize,
<>	129:0ab6a29f35bf	6523	q7_t * pResult);
<>	129:0ab6a29f35bf	6524
<>	129:0ab6a29f35bf	6525	/**
<>	129:0ab6a29f35bf	6526	* @brief Mean value of a Q15 vector.
<>	129:0ab6a29f35bf	6527	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6528	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6529	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6530	* @return none.
<>	129:0ab6a29f35bf	6531	*/
<>	129:0ab6a29f35bf	6532	void arm_mean_q15(
<>	129:0ab6a29f35bf	6533	q15_t * pSrc,
<>	129:0ab6a29f35bf	6534	uint32_t blockSize,
<>	129:0ab6a29f35bf	6535	q15_t * pResult);
<>	129:0ab6a29f35bf	6536
<>	129:0ab6a29f35bf	6537	/**
<>	129:0ab6a29f35bf	6538	* @brief Mean value of a Q31 vector.
<>	129:0ab6a29f35bf	6539	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6540	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6541	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6542	* @return none.
<>	129:0ab6a29f35bf	6543	*/
<>	129:0ab6a29f35bf	6544	void arm_mean_q31(
<>	129:0ab6a29f35bf	6545	q31_t * pSrc,
<>	129:0ab6a29f35bf	6546	uint32_t blockSize,
<>	129:0ab6a29f35bf	6547	q31_t * pResult);
<>	129:0ab6a29f35bf	6548
<>	129:0ab6a29f35bf	6549	/**
<>	129:0ab6a29f35bf	6550	* @brief Mean value of a floating-point vector.
<>	129:0ab6a29f35bf	6551	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6552	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6553	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6554	* @return none.
<>	129:0ab6a29f35bf	6555	*/
<>	129:0ab6a29f35bf	6556	void arm_mean_f32(
<>	129:0ab6a29f35bf	6557	float32_t * pSrc,
<>	129:0ab6a29f35bf	6558	uint32_t blockSize,
<>	129:0ab6a29f35bf	6559	float32_t * pResult);
<>	129:0ab6a29f35bf	6560
<>	129:0ab6a29f35bf	6561	/**
<>	129:0ab6a29f35bf	6562	* @brief Variance of the elements of a floating-point vector.
<>	129:0ab6a29f35bf	6563	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6564	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6565	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6566	* @return none.
<>	129:0ab6a29f35bf	6567	*/
<>	129:0ab6a29f35bf	6568
<>	129:0ab6a29f35bf	6569	void arm_var_f32(
<>	129:0ab6a29f35bf	6570	float32_t * pSrc,
<>	129:0ab6a29f35bf	6571	uint32_t blockSize,
<>	129:0ab6a29f35bf	6572	float32_t * pResult);
<>	129:0ab6a29f35bf	6573
<>	129:0ab6a29f35bf	6574	/**
<>	129:0ab6a29f35bf	6575	* @brief Variance of the elements of a Q31 vector.
<>	129:0ab6a29f35bf	6576	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6577	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6578	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6579	* @return none.
<>	129:0ab6a29f35bf	6580	*/
<>	129:0ab6a29f35bf	6581
<>	129:0ab6a29f35bf	6582	void arm_var_q31(
<>	129:0ab6a29f35bf	6583	q31_t * pSrc,
<>	129:0ab6a29f35bf	6584	uint32_t blockSize,
<>	129:0ab6a29f35bf	6585	q31_t * pResult);
<>	129:0ab6a29f35bf	6586
<>	129:0ab6a29f35bf	6587	/**
<>	129:0ab6a29f35bf	6588	* @brief Variance of the elements of a Q15 vector.
<>	129:0ab6a29f35bf	6589	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6590	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6591	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6592	* @return none.
<>	129:0ab6a29f35bf	6593	*/
<>	129:0ab6a29f35bf	6594
<>	129:0ab6a29f35bf	6595	void arm_var_q15(
<>	129:0ab6a29f35bf	6596	q15_t * pSrc,
<>	129:0ab6a29f35bf	6597	uint32_t blockSize,
<>	129:0ab6a29f35bf	6598	q15_t * pResult);
<>	129:0ab6a29f35bf	6599
<>	129:0ab6a29f35bf	6600	/**
<>	129:0ab6a29f35bf	6601	* @brief Root Mean Square of the elements of a floating-point vector.
<>	129:0ab6a29f35bf	6602	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6603	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6604	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6605	* @return none.
<>	129:0ab6a29f35bf	6606	*/
<>	129:0ab6a29f35bf	6607
<>	129:0ab6a29f35bf	6608	void arm_rms_f32(
<>	129:0ab6a29f35bf	6609	float32_t * pSrc,
<>	129:0ab6a29f35bf	6610	uint32_t blockSize,
<>	129:0ab6a29f35bf	6611	float32_t * pResult);
<>	129:0ab6a29f35bf	6612
<>	129:0ab6a29f35bf	6613	/**
<>	129:0ab6a29f35bf	6614	* @brief Root Mean Square of the elements of a Q31 vector.
<>	129:0ab6a29f35bf	6615	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6616	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6617	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6618	* @return none.
<>	129:0ab6a29f35bf	6619	*/
<>	129:0ab6a29f35bf	6620
<>	129:0ab6a29f35bf	6621	void arm_rms_q31(
<>	129:0ab6a29f35bf	6622	q31_t * pSrc,
<>	129:0ab6a29f35bf	6623	uint32_t blockSize,
<>	129:0ab6a29f35bf	6624	q31_t * pResult);
<>	129:0ab6a29f35bf	6625
<>	129:0ab6a29f35bf	6626	/**
<>	129:0ab6a29f35bf	6627	* @brief Root Mean Square of the elements of a Q15 vector.
<>	129:0ab6a29f35bf	6628	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6629	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6630	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6631	* @return none.
<>	129:0ab6a29f35bf	6632	*/
<>	129:0ab6a29f35bf	6633
<>	129:0ab6a29f35bf	6634	void arm_rms_q15(
<>	129:0ab6a29f35bf	6635	q15_t * pSrc,
<>	129:0ab6a29f35bf	6636	uint32_t blockSize,
<>	129:0ab6a29f35bf	6637	q15_t * pResult);
<>	129:0ab6a29f35bf	6638
<>	129:0ab6a29f35bf	6639	/**
<>	129:0ab6a29f35bf	6640	* @brief Standard deviation of the elements of a floating-point vector.
<>	129:0ab6a29f35bf	6641	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6642	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6643	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6644	* @return none.
<>	129:0ab6a29f35bf	6645	*/
<>	129:0ab6a29f35bf	6646
<>	129:0ab6a29f35bf	6647	void arm_std_f32(
<>	129:0ab6a29f35bf	6648	float32_t * pSrc,
<>	129:0ab6a29f35bf	6649	uint32_t blockSize,
<>	129:0ab6a29f35bf	6650	float32_t * pResult);
<>	129:0ab6a29f35bf	6651
<>	129:0ab6a29f35bf	6652	/**
<>	129:0ab6a29f35bf	6653	* @brief Standard deviation of the elements of a Q31 vector.
<>	129:0ab6a29f35bf	6654	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6655	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6656	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6657	* @return none.
<>	129:0ab6a29f35bf	6658	*/
<>	129:0ab6a29f35bf	6659
<>	129:0ab6a29f35bf	6660	void arm_std_q31(
<>	129:0ab6a29f35bf	6661	q31_t * pSrc,
<>	129:0ab6a29f35bf	6662	uint32_t blockSize,
<>	129:0ab6a29f35bf	6663	q31_t * pResult);
<>	129:0ab6a29f35bf	6664
<>	129:0ab6a29f35bf	6665	/**
<>	129:0ab6a29f35bf	6666	* @brief Standard deviation of the elements of a Q15 vector.
<>	129:0ab6a29f35bf	6667	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6668	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6669	* @param[out] *pResult is output value.
<>	129:0ab6a29f35bf	6670	* @return none.
<>	129:0ab6a29f35bf	6671	*/
<>	129:0ab6a29f35bf	6672
<>	129:0ab6a29f35bf	6673	void arm_std_q15(
<>	129:0ab6a29f35bf	6674	q15_t * pSrc,
<>	129:0ab6a29f35bf	6675	uint32_t blockSize,
<>	129:0ab6a29f35bf	6676	q15_t * pResult);
<>	129:0ab6a29f35bf	6677
<>	129:0ab6a29f35bf	6678	/**
<>	129:0ab6a29f35bf	6679	* @brief Floating-point complex magnitude
<>	129:0ab6a29f35bf	6680	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	6681	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	6682	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	6683	* @return none.
<>	129:0ab6a29f35bf	6684	*/
<>	129:0ab6a29f35bf	6685
<>	129:0ab6a29f35bf	6686	void arm_cmplx_mag_f32(
<>	129:0ab6a29f35bf	6687	float32_t * pSrc,
<>	129:0ab6a29f35bf	6688	float32_t * pDst,
<>	129:0ab6a29f35bf	6689	uint32_t numSamples);
<>	129:0ab6a29f35bf	6690
<>	129:0ab6a29f35bf	6691	/**
<>	129:0ab6a29f35bf	6692	* @brief Q31 complex magnitude
<>	129:0ab6a29f35bf	6693	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	6694	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	6695	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	6696	* @return none.
<>	129:0ab6a29f35bf	6697	*/
<>	129:0ab6a29f35bf	6698
<>	129:0ab6a29f35bf	6699	void arm_cmplx_mag_q31(
<>	129:0ab6a29f35bf	6700	q31_t * pSrc,
<>	129:0ab6a29f35bf	6701	q31_t * pDst,
<>	129:0ab6a29f35bf	6702	uint32_t numSamples);
<>	129:0ab6a29f35bf	6703
<>	129:0ab6a29f35bf	6704	/**
<>	129:0ab6a29f35bf	6705	* @brief Q15 complex magnitude
<>	129:0ab6a29f35bf	6706	* @param[in] *pSrc points to the complex input vector
<>	129:0ab6a29f35bf	6707	* @param[out] *pDst points to the real output vector
<>	129:0ab6a29f35bf	6708	* @param[in] numSamples number of complex samples in the input vector
<>	129:0ab6a29f35bf	6709	* @return none.
<>	129:0ab6a29f35bf	6710	*/
<>	129:0ab6a29f35bf	6711
<>	129:0ab6a29f35bf	6712	void arm_cmplx_mag_q15(
<>	129:0ab6a29f35bf	6713	q15_t * pSrc,
<>	129:0ab6a29f35bf	6714	q15_t * pDst,
<>	129:0ab6a29f35bf	6715	uint32_t numSamples);
<>	129:0ab6a29f35bf	6716
<>	129:0ab6a29f35bf	6717	/**
<>	129:0ab6a29f35bf	6718	* @brief Q15 complex dot product
<>	129:0ab6a29f35bf	6719	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6720	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6721	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6722	* @param[out] *realResult real part of the result returned here
<>	129:0ab6a29f35bf	6723	* @param[out] *imagResult imaginary part of the result returned here
<>	129:0ab6a29f35bf	6724	* @return none.
<>	129:0ab6a29f35bf	6725	*/
<>	129:0ab6a29f35bf	6726
<>	129:0ab6a29f35bf	6727	void arm_cmplx_dot_prod_q15(
<>	129:0ab6a29f35bf	6728	q15_t * pSrcA,
<>	129:0ab6a29f35bf	6729	q15_t * pSrcB,
<>	129:0ab6a29f35bf	6730	uint32_t numSamples,
<>	129:0ab6a29f35bf	6731	q31_t * realResult,
<>	129:0ab6a29f35bf	6732	q31_t * imagResult);
<>	129:0ab6a29f35bf	6733
<>	129:0ab6a29f35bf	6734	/**
<>	129:0ab6a29f35bf	6735	* @brief Q31 complex dot product
<>	129:0ab6a29f35bf	6736	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6737	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6738	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6739	* @param[out] *realResult real part of the result returned here
<>	129:0ab6a29f35bf	6740	* @param[out] *imagResult imaginary part of the result returned here
<>	129:0ab6a29f35bf	6741	* @return none.
<>	129:0ab6a29f35bf	6742	*/
<>	129:0ab6a29f35bf	6743
<>	129:0ab6a29f35bf	6744	void arm_cmplx_dot_prod_q31(
<>	129:0ab6a29f35bf	6745	q31_t * pSrcA,
<>	129:0ab6a29f35bf	6746	q31_t * pSrcB,
<>	129:0ab6a29f35bf	6747	uint32_t numSamples,
<>	129:0ab6a29f35bf	6748	q63_t * realResult,
<>	129:0ab6a29f35bf	6749	q63_t * imagResult);
<>	129:0ab6a29f35bf	6750
<>	129:0ab6a29f35bf	6751	/**
<>	129:0ab6a29f35bf	6752	* @brief Floating-point complex dot product
<>	129:0ab6a29f35bf	6753	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6754	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6755	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6756	* @param[out] *realResult real part of the result returned here
<>	129:0ab6a29f35bf	6757	* @param[out] *imagResult imaginary part of the result returned here
<>	129:0ab6a29f35bf	6758	* @return none.
<>	129:0ab6a29f35bf	6759	*/
<>	129:0ab6a29f35bf	6760
<>	129:0ab6a29f35bf	6761	void arm_cmplx_dot_prod_f32(
<>	129:0ab6a29f35bf	6762	float32_t * pSrcA,
<>	129:0ab6a29f35bf	6763	float32_t * pSrcB,
<>	129:0ab6a29f35bf	6764	uint32_t numSamples,
<>	129:0ab6a29f35bf	6765	float32_t * realResult,
<>	129:0ab6a29f35bf	6766	float32_t * imagResult);
<>	129:0ab6a29f35bf	6767
<>	129:0ab6a29f35bf	6768	/**
<>	129:0ab6a29f35bf	6769	* @brief Q15 complex-by-real multiplication
<>	129:0ab6a29f35bf	6770	* @param[in] *pSrcCmplx points to the complex input vector
<>	129:0ab6a29f35bf	6771	* @param[in] *pSrcReal points to the real input vector
<>	129:0ab6a29f35bf	6772	* @param[out] *pCmplxDst points to the complex output vector
<>	129:0ab6a29f35bf	6773	* @param[in] numSamples number of samples in each vector
<>	129:0ab6a29f35bf	6774	* @return none.
<>	129:0ab6a29f35bf	6775	*/
<>	129:0ab6a29f35bf	6776
<>	129:0ab6a29f35bf	6777	void arm_cmplx_mult_real_q15(
<>	129:0ab6a29f35bf	6778	q15_t * pSrcCmplx,
<>	129:0ab6a29f35bf	6779	q15_t * pSrcReal,
<>	129:0ab6a29f35bf	6780	q15_t * pCmplxDst,
<>	129:0ab6a29f35bf	6781	uint32_t numSamples);
<>	129:0ab6a29f35bf	6782
<>	129:0ab6a29f35bf	6783	/**
<>	129:0ab6a29f35bf	6784	* @brief Q31 complex-by-real multiplication
<>	129:0ab6a29f35bf	6785	* @param[in] *pSrcCmplx points to the complex input vector
<>	129:0ab6a29f35bf	6786	* @param[in] *pSrcReal points to the real input vector
<>	129:0ab6a29f35bf	6787	* @param[out] *pCmplxDst points to the complex output vector
<>	129:0ab6a29f35bf	6788	* @param[in] numSamples number of samples in each vector
<>	129:0ab6a29f35bf	6789	* @return none.
<>	129:0ab6a29f35bf	6790	*/
<>	129:0ab6a29f35bf	6791
<>	129:0ab6a29f35bf	6792	void arm_cmplx_mult_real_q31(
<>	129:0ab6a29f35bf	6793	q31_t * pSrcCmplx,
<>	129:0ab6a29f35bf	6794	q31_t * pSrcReal,
<>	129:0ab6a29f35bf	6795	q31_t * pCmplxDst,
<>	129:0ab6a29f35bf	6796	uint32_t numSamples);
<>	129:0ab6a29f35bf	6797
<>	129:0ab6a29f35bf	6798	/**
<>	129:0ab6a29f35bf	6799	* @brief Floating-point complex-by-real multiplication
<>	129:0ab6a29f35bf	6800	* @param[in] *pSrcCmplx points to the complex input vector
<>	129:0ab6a29f35bf	6801	* @param[in] *pSrcReal points to the real input vector
<>	129:0ab6a29f35bf	6802	* @param[out] *pCmplxDst points to the complex output vector
<>	129:0ab6a29f35bf	6803	* @param[in] numSamples number of samples in each vector
<>	129:0ab6a29f35bf	6804	* @return none.
<>	129:0ab6a29f35bf	6805	*/
<>	129:0ab6a29f35bf	6806
<>	129:0ab6a29f35bf	6807	void arm_cmplx_mult_real_f32(
<>	129:0ab6a29f35bf	6808	float32_t * pSrcCmplx,
<>	129:0ab6a29f35bf	6809	float32_t * pSrcReal,
<>	129:0ab6a29f35bf	6810	float32_t * pCmplxDst,
<>	129:0ab6a29f35bf	6811	uint32_t numSamples);
<>	129:0ab6a29f35bf	6812
<>	129:0ab6a29f35bf	6813	/**
<>	129:0ab6a29f35bf	6814	* @brief Minimum value of a Q7 vector.
<>	129:0ab6a29f35bf	6815	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6816	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6817	* @param[out] *result is output pointer
<>	129:0ab6a29f35bf	6818	* @param[in] index is the array index of the minimum value in the input buffer.
<>	129:0ab6a29f35bf	6819	* @return none.
<>	129:0ab6a29f35bf	6820	*/
<>	129:0ab6a29f35bf	6821
<>	129:0ab6a29f35bf	6822	void arm_min_q7(
<>	129:0ab6a29f35bf	6823	q7_t * pSrc,
<>	129:0ab6a29f35bf	6824	uint32_t blockSize,
<>	129:0ab6a29f35bf	6825	q7_t * result,
<>	129:0ab6a29f35bf	6826	uint32_t * index);
<>	129:0ab6a29f35bf	6827
<>	129:0ab6a29f35bf	6828	/**
<>	129:0ab6a29f35bf	6829	* @brief Minimum value of a Q15 vector.
<>	129:0ab6a29f35bf	6830	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6831	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6832	* @param[out] *pResult is output pointer
<>	129:0ab6a29f35bf	6833	* @param[in] *pIndex is the array index of the minimum value in the input buffer.
<>	129:0ab6a29f35bf	6834	* @return none.
<>	129:0ab6a29f35bf	6835	*/
<>	129:0ab6a29f35bf	6836
<>	129:0ab6a29f35bf	6837	void arm_min_q15(
<>	129:0ab6a29f35bf	6838	q15_t * pSrc,
<>	129:0ab6a29f35bf	6839	uint32_t blockSize,
<>	129:0ab6a29f35bf	6840	q15_t * pResult,
<>	129:0ab6a29f35bf	6841	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6842
<>	129:0ab6a29f35bf	6843	/**
<>	129:0ab6a29f35bf	6844	* @brief Minimum value of a Q31 vector.
<>	129:0ab6a29f35bf	6845	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6846	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6847	* @param[out] *pResult is output pointer
<>	129:0ab6a29f35bf	6848	* @param[out] *pIndex is the array index of the minimum value in the input buffer.
<>	129:0ab6a29f35bf	6849	* @return none.
<>	129:0ab6a29f35bf	6850	*/
<>	129:0ab6a29f35bf	6851	void arm_min_q31(
<>	129:0ab6a29f35bf	6852	q31_t * pSrc,
<>	129:0ab6a29f35bf	6853	uint32_t blockSize,
<>	129:0ab6a29f35bf	6854	q31_t * pResult,
<>	129:0ab6a29f35bf	6855	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6856
<>	129:0ab6a29f35bf	6857	/**
<>	129:0ab6a29f35bf	6858	* @brief Minimum value of a floating-point vector.
<>	129:0ab6a29f35bf	6859	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	6860	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	6861	* @param[out] *pResult is output pointer
<>	129:0ab6a29f35bf	6862	* @param[out] *pIndex is the array index of the minimum value in the input buffer.
<>	129:0ab6a29f35bf	6863	* @return none.
<>	129:0ab6a29f35bf	6864	*/
<>	129:0ab6a29f35bf	6865
<>	129:0ab6a29f35bf	6866	void arm_min_f32(
<>	129:0ab6a29f35bf	6867	float32_t * pSrc,
<>	129:0ab6a29f35bf	6868	uint32_t blockSize,
<>	129:0ab6a29f35bf	6869	float32_t * pResult,
<>	129:0ab6a29f35bf	6870	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6871
<>	129:0ab6a29f35bf	6872	/**
<>	129:0ab6a29f35bf	6873	* @brief Maximum value of a Q7 vector.
<>	129:0ab6a29f35bf	6874	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	6875	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6876	* @param[out] *pResult maximum value returned here
<>	129:0ab6a29f35bf	6877	* @param[out] *pIndex index of maximum value returned here
<>	129:0ab6a29f35bf	6878	* @return none.
<>	129:0ab6a29f35bf	6879	*/
<>	129:0ab6a29f35bf	6880
<>	129:0ab6a29f35bf	6881	void arm_max_q7(
<>	129:0ab6a29f35bf	6882	q7_t * pSrc,
<>	129:0ab6a29f35bf	6883	uint32_t blockSize,
<>	129:0ab6a29f35bf	6884	q7_t * pResult,
<>	129:0ab6a29f35bf	6885	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6886
<>	129:0ab6a29f35bf	6887	/**
<>	129:0ab6a29f35bf	6888	* @brief Maximum value of a Q15 vector.
<>	129:0ab6a29f35bf	6889	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	6890	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6891	* @param[out] *pResult maximum value returned here
<>	129:0ab6a29f35bf	6892	* @param[out] *pIndex index of maximum value returned here
<>	129:0ab6a29f35bf	6893	* @return none.
<>	129:0ab6a29f35bf	6894	*/
<>	129:0ab6a29f35bf	6895
<>	129:0ab6a29f35bf	6896	void arm_max_q15(
<>	129:0ab6a29f35bf	6897	q15_t * pSrc,
<>	129:0ab6a29f35bf	6898	uint32_t blockSize,
<>	129:0ab6a29f35bf	6899	q15_t * pResult,
<>	129:0ab6a29f35bf	6900	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6901
<>	129:0ab6a29f35bf	6902	/**
<>	129:0ab6a29f35bf	6903	* @brief Maximum value of a Q31 vector.
<>	129:0ab6a29f35bf	6904	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	6905	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6906	* @param[out] *pResult maximum value returned here
<>	129:0ab6a29f35bf	6907	* @param[out] *pIndex index of maximum value returned here
<>	129:0ab6a29f35bf	6908	* @return none.
<>	129:0ab6a29f35bf	6909	*/
<>	129:0ab6a29f35bf	6910
<>	129:0ab6a29f35bf	6911	void arm_max_q31(
<>	129:0ab6a29f35bf	6912	q31_t * pSrc,
<>	129:0ab6a29f35bf	6913	uint32_t blockSize,
<>	129:0ab6a29f35bf	6914	q31_t * pResult,
<>	129:0ab6a29f35bf	6915	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6916
<>	129:0ab6a29f35bf	6917	/**
<>	129:0ab6a29f35bf	6918	* @brief Maximum value of a floating-point vector.
<>	129:0ab6a29f35bf	6919	* @param[in] *pSrc points to the input buffer
<>	129:0ab6a29f35bf	6920	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6921	* @param[out] *pResult maximum value returned here
<>	129:0ab6a29f35bf	6922	* @param[out] *pIndex index of maximum value returned here
<>	129:0ab6a29f35bf	6923	* @return none.
<>	129:0ab6a29f35bf	6924	*/
<>	129:0ab6a29f35bf	6925
<>	129:0ab6a29f35bf	6926	void arm_max_f32(
<>	129:0ab6a29f35bf	6927	float32_t * pSrc,
<>	129:0ab6a29f35bf	6928	uint32_t blockSize,
<>	129:0ab6a29f35bf	6929	float32_t * pResult,
<>	129:0ab6a29f35bf	6930	uint32_t * pIndex);
<>	129:0ab6a29f35bf	6931
<>	129:0ab6a29f35bf	6932	/**
<>	129:0ab6a29f35bf	6933	* @brief Q15 complex-by-complex multiplication
<>	129:0ab6a29f35bf	6934	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6935	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6936	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	6937	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6938	* @return none.
<>	129:0ab6a29f35bf	6939	*/
<>	129:0ab6a29f35bf	6940
<>	129:0ab6a29f35bf	6941	void arm_cmplx_mult_cmplx_q15(
<>	129:0ab6a29f35bf	6942	q15_t * pSrcA,
<>	129:0ab6a29f35bf	6943	q15_t * pSrcB,
<>	129:0ab6a29f35bf	6944	q15_t * pDst,
<>	129:0ab6a29f35bf	6945	uint32_t numSamples);
<>	129:0ab6a29f35bf	6946
<>	129:0ab6a29f35bf	6947	/**
<>	129:0ab6a29f35bf	6948	* @brief Q31 complex-by-complex multiplication
<>	129:0ab6a29f35bf	6949	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6950	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6951	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	6952	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6953	* @return none.
<>	129:0ab6a29f35bf	6954	*/
<>	129:0ab6a29f35bf	6955
<>	129:0ab6a29f35bf	6956	void arm_cmplx_mult_cmplx_q31(
<>	129:0ab6a29f35bf	6957	q31_t * pSrcA,
<>	129:0ab6a29f35bf	6958	q31_t * pSrcB,
<>	129:0ab6a29f35bf	6959	q31_t * pDst,
<>	129:0ab6a29f35bf	6960	uint32_t numSamples);
<>	129:0ab6a29f35bf	6961
<>	129:0ab6a29f35bf	6962	/**
<>	129:0ab6a29f35bf	6963	* @brief Floating-point complex-by-complex multiplication
<>	129:0ab6a29f35bf	6964	* @param[in] *pSrcA points to the first input vector
<>	129:0ab6a29f35bf	6965	* @param[in] *pSrcB points to the second input vector
<>	129:0ab6a29f35bf	6966	* @param[out] *pDst points to the output vector
<>	129:0ab6a29f35bf	6967	* @param[in] numSamples number of complex samples in each vector
<>	129:0ab6a29f35bf	6968	* @return none.
<>	129:0ab6a29f35bf	6969	*/
<>	129:0ab6a29f35bf	6970
<>	129:0ab6a29f35bf	6971	void arm_cmplx_mult_cmplx_f32(
<>	129:0ab6a29f35bf	6972	float32_t * pSrcA,
<>	129:0ab6a29f35bf	6973	float32_t * pSrcB,
<>	129:0ab6a29f35bf	6974	float32_t * pDst,
<>	129:0ab6a29f35bf	6975	uint32_t numSamples);
<>	129:0ab6a29f35bf	6976
<>	129:0ab6a29f35bf	6977	/**
<>	129:0ab6a29f35bf	6978	* @brief Converts the elements of the floating-point vector to Q31 vector.
<>	129:0ab6a29f35bf	6979	* @param[in] *pSrc points to the floating-point input vector
<>	129:0ab6a29f35bf	6980	* @param[out] *pDst points to the Q31 output vector
<>	129:0ab6a29f35bf	6981	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6982	* @return none.
<>	129:0ab6a29f35bf	6983	*/
<>	129:0ab6a29f35bf	6984	void arm_float_to_q31(
<>	129:0ab6a29f35bf	6985	float32_t * pSrc,
<>	129:0ab6a29f35bf	6986	q31_t * pDst,
<>	129:0ab6a29f35bf	6987	uint32_t blockSize);
<>	129:0ab6a29f35bf	6988
<>	129:0ab6a29f35bf	6989	/**
<>	129:0ab6a29f35bf	6990	* @brief Converts the elements of the floating-point vector to Q15 vector.
<>	129:0ab6a29f35bf	6991	* @param[in] *pSrc points to the floating-point input vector
<>	129:0ab6a29f35bf	6992	* @param[out] *pDst points to the Q15 output vector
<>	129:0ab6a29f35bf	6993	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	6994	* @return none
<>	129:0ab6a29f35bf	6995	*/
<>	129:0ab6a29f35bf	6996	void arm_float_to_q15(
<>	129:0ab6a29f35bf	6997	float32_t * pSrc,
<>	129:0ab6a29f35bf	6998	q15_t * pDst,
<>	129:0ab6a29f35bf	6999	uint32_t blockSize);
<>	129:0ab6a29f35bf	7000
<>	129:0ab6a29f35bf	7001	/**
<>	129:0ab6a29f35bf	7002	* @brief Converts the elements of the floating-point vector to Q7 vector.
<>	129:0ab6a29f35bf	7003	* @param[in] *pSrc points to the floating-point input vector
<>	129:0ab6a29f35bf	7004	* @param[out] *pDst points to the Q7 output vector
<>	129:0ab6a29f35bf	7005	* @param[in] blockSize length of the input vector
<>	129:0ab6a29f35bf	7006	* @return none
<>	129:0ab6a29f35bf	7007	*/
<>	129:0ab6a29f35bf	7008	void arm_float_to_q7(
<>	129:0ab6a29f35bf	7009	float32_t * pSrc,
<>	129:0ab6a29f35bf	7010	q7_t * pDst,
<>	129:0ab6a29f35bf	7011	uint32_t blockSize);
<>	129:0ab6a29f35bf	7012
<>	129:0ab6a29f35bf	7013
<>	129:0ab6a29f35bf	7014	/**
<>	129:0ab6a29f35bf	7015	* @brief Converts the elements of the Q31 vector to Q15 vector.
<>	129:0ab6a29f35bf	7016	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	7017	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	7018	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	7019	* @return none.
<>	129:0ab6a29f35bf	7020	*/
<>	129:0ab6a29f35bf	7021	void arm_q31_to_q15(
<>	129:0ab6a29f35bf	7022	q31_t * pSrc,
<>	129:0ab6a29f35bf	7023	q15_t * pDst,
<>	129:0ab6a29f35bf	7024	uint32_t blockSize);
<>	129:0ab6a29f35bf	7025
<>	129:0ab6a29f35bf	7026	/**
<>	129:0ab6a29f35bf	7027	* @brief Converts the elements of the Q31 vector to Q7 vector.
<>	129:0ab6a29f35bf	7028	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	7029	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	7030	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	7031	* @return none.
<>	129:0ab6a29f35bf	7032	*/
<>	129:0ab6a29f35bf	7033	void arm_q31_to_q7(
<>	129:0ab6a29f35bf	7034	q31_t * pSrc,
<>	129:0ab6a29f35bf	7035	q7_t * pDst,
<>	129:0ab6a29f35bf	7036	uint32_t blockSize);
<>	129:0ab6a29f35bf	7037
<>	129:0ab6a29f35bf	7038	/**
<>	129:0ab6a29f35bf	7039	* @brief Converts the elements of the Q15 vector to floating-point vector.
<>	129:0ab6a29f35bf	7040	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	7041	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	7042	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	7043	* @return none.
<>	129:0ab6a29f35bf	7044	*/
<>	129:0ab6a29f35bf	7045	void arm_q15_to_float(
<>	129:0ab6a29f35bf	7046	q15_t * pSrc,
<>	129:0ab6a29f35bf	7047	float32_t * pDst,
<>	129:0ab6a29f35bf	7048	uint32_t blockSize);
<>	129:0ab6a29f35bf	7049
<>	129:0ab6a29f35bf	7050
<>	129:0ab6a29f35bf	7051	/**
<>	129:0ab6a29f35bf	7052	* @brief Converts the elements of the Q15 vector to Q31 vector.
<>	129:0ab6a29f35bf	7053	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	7054	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	7055	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	7056	* @return none.
<>	129:0ab6a29f35bf	7057	*/
<>	129:0ab6a29f35bf	7058	void arm_q15_to_q31(
<>	129:0ab6a29f35bf	7059	q15_t * pSrc,
<>	129:0ab6a29f35bf	7060	q31_t * pDst,
<>	129:0ab6a29f35bf	7061	uint32_t blockSize);
<>	129:0ab6a29f35bf	7062
<>	129:0ab6a29f35bf	7063
<>	129:0ab6a29f35bf	7064	/**
<>	129:0ab6a29f35bf	7065	* @brief Converts the elements of the Q15 vector to Q7 vector.
<>	129:0ab6a29f35bf	7066	* @param[in] *pSrc is input pointer
<>	129:0ab6a29f35bf	7067	* @param[out] *pDst is output pointer
<>	129:0ab6a29f35bf	7068	* @param[in] blockSize is the number of samples to process
<>	129:0ab6a29f35bf	7069	* @return none.
<>	129:0ab6a29f35bf	7070	*/
<>	129:0ab6a29f35bf	7071	void arm_q15_to_q7(
<>	129:0ab6a29f35bf	7072	q15_t * pSrc,
<>	129:0ab6a29f35bf	7073	q7_t * pDst,
<>	129:0ab6a29f35bf	7074	uint32_t blockSize);
<>	129:0ab6a29f35bf	7075
<>	129:0ab6a29f35bf	7076
<>	129:0ab6a29f35bf	7077	/**
<>	129:0ab6a29f35bf	7078	* @ingroup groupInterpolation
<>	129:0ab6a29f35bf	7079	*/
<>	129:0ab6a29f35bf	7080
<>	129:0ab6a29f35bf	7081	/**
<>	129:0ab6a29f35bf	7082	* @defgroup BilinearInterpolate Bilinear Interpolation
<>	129:0ab6a29f35bf	7083	*
<>	129:0ab6a29f35bf	7084	* Bilinear interpolation is an extension of linear interpolation applied to a two dimensional grid.
<>	129:0ab6a29f35bf	7085	* The underlying function <code>f(x, y)</code> is sampled on a regular grid and the interpolation process
<>	129:0ab6a29f35bf	7086	* determines values between the grid points.
<>	129:0ab6a29f35bf	7087	* Bilinear interpolation is equivalent to two step linear interpolation, first in the x-dimension and then in the y-dimension.
<>	129:0ab6a29f35bf	7088	* Bilinear interpolation is often used in image processing to rescale images.
<>	129:0ab6a29f35bf	7089	* The CMSIS DSP library provides bilinear interpolation functions for Q7, Q15, Q31, and floating-point data types.
<>	129:0ab6a29f35bf	7090	*
<>	129:0ab6a29f35bf	7091	* <b>Algorithm</b>
<>	129:0ab6a29f35bf	7092	* \par
<>	129:0ab6a29f35bf	7093	* The instance structure used by the bilinear interpolation functions describes a two dimensional data table.
<>	129:0ab6a29f35bf	7094	* For floating-point, the instance structure is defined as:
<>	129:0ab6a29f35bf	7095	* <pre>
<>	129:0ab6a29f35bf	7096	* typedef struct
<>	129:0ab6a29f35bf	7097	* {
<>	129:0ab6a29f35bf	7098	* uint16_t numRows;
<>	129:0ab6a29f35bf	7099	* uint16_t numCols;
<>	129:0ab6a29f35bf	7100	* float32_t *pData;
<>	129:0ab6a29f35bf	7101	* } arm_bilinear_interp_instance_f32;
<>	129:0ab6a29f35bf	7102	* </pre>
<>	129:0ab6a29f35bf	7103	*
<>	129:0ab6a29f35bf	7104	* \par
<>	129:0ab6a29f35bf	7105	* where <code>numRows</code> specifies the number of rows in the table;
<>	129:0ab6a29f35bf	7106	* <code>numCols</code> specifies the number of columns in the table;
<>	129:0ab6a29f35bf	7107	* and <code>pData</code> points to an array of size <code>numRows*numCols</code> values.
<>	129:0ab6a29f35bf	7108	* The data table <code>pTable</code> is organized in row order and the supplied data values fall on integer indexes.
<>	129:0ab6a29f35bf	7109	* That is, table element (x,y) is located at <code>pTable[x + y*numCols]</code> where x and y are integers.
<>	129:0ab6a29f35bf	7110	*
<>	129:0ab6a29f35bf	7111	* \par
<>	129:0ab6a29f35bf	7112	* Let <code>(x, y)</code> specify the desired interpolation point. Then define:
<>	129:0ab6a29f35bf	7113	* <pre>
<>	129:0ab6a29f35bf	7114	* XF = floor(x)
<>	129:0ab6a29f35bf	7115	* YF = floor(y)
<>	129:0ab6a29f35bf	7116	* </pre>
<>	129:0ab6a29f35bf	7117	* \par
<>	129:0ab6a29f35bf	7118	* The interpolated output point is computed as:
<>	129:0ab6a29f35bf	7119	* <pre>
<>	129:0ab6a29f35bf	7120	* f(x, y) = f(XF, YF) * (1-(x-XF)) * (1-(y-YF))
<>	129:0ab6a29f35bf	7121	* + f(XF+1, YF) * (x-XF)*(1-(y-YF))
<>	129:0ab6a29f35bf	7122	* + f(XF, YF+1) * (1-(x-XF))*(y-YF)
<>	129:0ab6a29f35bf	7123	* + f(XF+1, YF+1) * (x-XF)*(y-YF)
<>	129:0ab6a29f35bf	7124	* </pre>
<>	129:0ab6a29f35bf	7125	* Note that the coordinates (x, y) contain integer and fractional components.
<>	129:0ab6a29f35bf	7126	* The integer components specify which portion of the table to use while the
<>	129:0ab6a29f35bf	7127	* fractional components control the interpolation processor.
<>	129:0ab6a29f35bf	7128	*
<>	129:0ab6a29f35bf	7129	* \par
<>	129:0ab6a29f35bf	7130	* if (x,y) are outside of the table boundary, Bilinear interpolation returns zero output.
<>	129:0ab6a29f35bf	7131	*/
<>	129:0ab6a29f35bf	7132
<>	129:0ab6a29f35bf	7133	/**
<>	129:0ab6a29f35bf	7134	* @addtogroup BilinearInterpolate
<>	129:0ab6a29f35bf	7135	* @{
<>	129:0ab6a29f35bf	7136	*/
<>	129:0ab6a29f35bf	7137
<>	129:0ab6a29f35bf	7138	/**
<>	129:0ab6a29f35bf	7139	*
<>	129:0ab6a29f35bf	7140	* @brief Floating-point bilinear interpolation.
<>	129:0ab6a29f35bf	7141	* @param[in,out] *S points to an instance of the interpolation structure.
<>	129:0ab6a29f35bf	7142	* @param[in] X interpolation coordinate.
<>	129:0ab6a29f35bf	7143	* @param[in] Y interpolation coordinate.
<>	129:0ab6a29f35bf	7144	* @return out interpolated value.
<>	129:0ab6a29f35bf	7145	*/
<>	129:0ab6a29f35bf	7146
<>	129:0ab6a29f35bf	7147
<>	129:0ab6a29f35bf	7148	static __INLINE float32_t arm_bilinear_interp_f32(
<>	129:0ab6a29f35bf	7149	const arm_bilinear_interp_instance_f32 * S,
<>	129:0ab6a29f35bf	7150	float32_t X,
<>	129:0ab6a29f35bf	7151	float32_t Y)
<>	129:0ab6a29f35bf	7152	{
<>	129:0ab6a29f35bf	7153	float32_t out;
<>	129:0ab6a29f35bf	7154	float32_t f00, f01, f10, f11;
<>	129:0ab6a29f35bf	7155	float32_t *pData = S->pData;
<>	129:0ab6a29f35bf	7156	int32_t xIndex, yIndex, index;
<>	129:0ab6a29f35bf	7157	float32_t xdiff, ydiff;
<>	129:0ab6a29f35bf	7158	float32_t b1, b2, b3, b4;
<>	129:0ab6a29f35bf	7159
<>	129:0ab6a29f35bf	7160	xIndex = (int32_t) X;
<>	129:0ab6a29f35bf	7161	yIndex = (int32_t) Y;
<>	129:0ab6a29f35bf	7162
<>	129:0ab6a29f35bf	7163	/* Care taken for table outside boundary */
<>	129:0ab6a29f35bf	7164	/* Returns zero output when values are outside table boundary */
<>	129:0ab6a29f35bf	7165	if(xIndex < 0 \|\| xIndex > (S->numRows - 1) \|\| yIndex < 0
<>	129:0ab6a29f35bf	7166	\|\| yIndex > (S->numCols - 1))
<>	129:0ab6a29f35bf	7167	{
<>	129:0ab6a29f35bf	7168	return (0);
<>	129:0ab6a29f35bf	7169	}
<>	129:0ab6a29f35bf	7170
<>	129:0ab6a29f35bf	7171	/* Calculation of index for two nearest points in X-direction */
<>	129:0ab6a29f35bf	7172	index = (xIndex - 1) + (yIndex - 1) * S->numCols;
<>	129:0ab6a29f35bf	7173
<>	129:0ab6a29f35bf	7174
<>	129:0ab6a29f35bf	7175	/* Read two nearest points in X-direction */
<>	129:0ab6a29f35bf	7176	f00 = pData[index];
<>	129:0ab6a29f35bf	7177	f01 = pData[index + 1];
<>	129:0ab6a29f35bf	7178
<>	129:0ab6a29f35bf	7179	/* Calculation of index for two nearest points in Y-direction */
<>	129:0ab6a29f35bf	7180	index = (xIndex - 1) + (yIndex) * S->numCols;
<>	129:0ab6a29f35bf	7181
<>	129:0ab6a29f35bf	7182
<>	129:0ab6a29f35bf	7183	/* Read two nearest points in Y-direction */
<>	129:0ab6a29f35bf	7184	f10 = pData[index];
<>	129:0ab6a29f35bf	7185	f11 = pData[index + 1];
<>	129:0ab6a29f35bf	7186
<>	129:0ab6a29f35bf	7187	/* Calculation of intermediate values */
<>	129:0ab6a29f35bf	7188	b1 = f00;
<>	129:0ab6a29f35bf	7189	b2 = f01 - f00;
<>	129:0ab6a29f35bf	7190	b3 = f10 - f00;
<>	129:0ab6a29f35bf	7191	b4 = f00 - f01 - f10 + f11;
<>	129:0ab6a29f35bf	7192
<>	129:0ab6a29f35bf	7193	/* Calculation of fractional part in X */
<>	129:0ab6a29f35bf	7194	xdiff = X - xIndex;
<>	129:0ab6a29f35bf	7195
<>	129:0ab6a29f35bf	7196	/* Calculation of fractional part in Y */
<>	129:0ab6a29f35bf	7197	ydiff = Y - yIndex;
<>	129:0ab6a29f35bf	7198
<>	129:0ab6a29f35bf	7199	/* Calculation of bi-linear interpolated output */
<>	129:0ab6a29f35bf	7200	out = b1 + b2 * xdiff + b3 * ydiff + b4 * xdiff * ydiff;
<>	129:0ab6a29f35bf	7201
<>	129:0ab6a29f35bf	7202	/* return to application */
<>	129:0ab6a29f35bf	7203	return (out);
<>	129:0ab6a29f35bf	7204
<>	129:0ab6a29f35bf	7205	}
<>	129:0ab6a29f35bf	7206
<>	129:0ab6a29f35bf	7207	/**
<>	129:0ab6a29f35bf	7208	*
<>	129:0ab6a29f35bf	7209	* @brief Q31 bilinear interpolation.
<>	129:0ab6a29f35bf	7210	* @param[in,out] *S points to an instance of the interpolation structure.
<>	129:0ab6a29f35bf	7211	* @param[in] X interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7212	* @param[in] Y interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7213	* @return out interpolated value.
<>	129:0ab6a29f35bf	7214	*/
<>	129:0ab6a29f35bf	7215
<>	129:0ab6a29f35bf	7216	static __INLINE q31_t arm_bilinear_interp_q31(
<>	129:0ab6a29f35bf	7217	arm_bilinear_interp_instance_q31 * S,
<>	129:0ab6a29f35bf	7218	q31_t X,
<>	129:0ab6a29f35bf	7219	q31_t Y)
<>	129:0ab6a29f35bf	7220	{
<>	129:0ab6a29f35bf	7221	q31_t out; /* Temporary output */
<>	129:0ab6a29f35bf	7222	q31_t acc = 0; /* output */
<>	129:0ab6a29f35bf	7223	q31_t xfract, yfract; /* X, Y fractional parts */
<>	129:0ab6a29f35bf	7224	q31_t x1, x2, y1, y2; /* Nearest output values */
<>	129:0ab6a29f35bf	7225	int32_t rI, cI; /* Row and column indices */
<>	129:0ab6a29f35bf	7226	q31_t pYData = S->pData; / pointer to output table values */
<>	129:0ab6a29f35bf	7227	uint32_t nCols = S->numCols; /* num of rows */
<>	129:0ab6a29f35bf	7228
<>	129:0ab6a29f35bf	7229
<>	129:0ab6a29f35bf	7230	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7231	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7232	/* Index value calculation */
<>	129:0ab6a29f35bf	7233	rI = ((X & 0xFFF00000) >> 20u);
<>	129:0ab6a29f35bf	7234
<>	129:0ab6a29f35bf	7235	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7236	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7237	/* Index value calculation */
<>	129:0ab6a29f35bf	7238	cI = ((Y & 0xFFF00000) >> 20u);
<>	129:0ab6a29f35bf	7239
<>	129:0ab6a29f35bf	7240	/* Care taken for table outside boundary */
<>	129:0ab6a29f35bf	7241	/* Returns zero output when values are outside table boundary */
<>	129:0ab6a29f35bf	7242	if(rI < 0 \|\| rI > (S->numRows - 1) \|\| cI < 0 \|\| cI > (S->numCols - 1))
<>	129:0ab6a29f35bf	7243	{
<>	129:0ab6a29f35bf	7244	return (0);
<>	129:0ab6a29f35bf	7245	}
<>	129:0ab6a29f35bf	7246
<>	129:0ab6a29f35bf	7247	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7248	/* shift left xfract by 11 to keep 1.31 format */
<>	129:0ab6a29f35bf	7249	xfract = (X & 0x000FFFFF) << 11u;
<>	129:0ab6a29f35bf	7250
<>	129:0ab6a29f35bf	7251	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7252	x1 = pYData[(rI) + nCols * (cI)];
<>	129:0ab6a29f35bf	7253	x2 = pYData[(rI) + nCols * (cI) + 1u];
<>	129:0ab6a29f35bf	7254
<>	129:0ab6a29f35bf	7255	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7256	/* shift left yfract by 11 to keep 1.31 format */
<>	129:0ab6a29f35bf	7257	yfract = (Y & 0x000FFFFF) << 11u;
<>	129:0ab6a29f35bf	7258
<>	129:0ab6a29f35bf	7259	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7260	y1 = pYData[(rI) + nCols * (cI + 1)];
<>	129:0ab6a29f35bf	7261	y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
<>	129:0ab6a29f35bf	7262
<>	129:0ab6a29f35bf	7263	/* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 3.29(q29) format */
<>	129:0ab6a29f35bf	7264	out = ((q31_t) (((q63_t) x1 * (0x7FFFFFFF - xfract)) >> 32));
<>	129:0ab6a29f35bf	7265	acc = ((q31_t) (((q63_t) out * (0x7FFFFFFF - yfract)) >> 32));
<>	129:0ab6a29f35bf	7266
<>	129:0ab6a29f35bf	7267	/* x2 * (xfract) * (1-yfract) in 3.29(q29) and adding to acc */
<>	129:0ab6a29f35bf	7268	out = ((q31_t) ((q63_t) x2 * (0x7FFFFFFF - yfract) >> 32));
<>	129:0ab6a29f35bf	7269	acc += ((q31_t) ((q63_t) out * (xfract) >> 32));
<>	129:0ab6a29f35bf	7270
<>	129:0ab6a29f35bf	7271	/* y1 * (1 - xfract) * (yfract) in 3.29(q29) and adding to acc */
<>	129:0ab6a29f35bf	7272	out = ((q31_t) ((q63_t) y1 * (0x7FFFFFFF - xfract) >> 32));
<>	129:0ab6a29f35bf	7273	acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
<>	129:0ab6a29f35bf	7274
<>	129:0ab6a29f35bf	7275	/* y2 * (xfract) * (yfract) in 3.29(q29) and adding to acc */
<>	129:0ab6a29f35bf	7276	out = ((q31_t) ((q63_t) y2 * (xfract) >> 32));
<>	129:0ab6a29f35bf	7277	acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
<>	129:0ab6a29f35bf	7278
<>	129:0ab6a29f35bf	7279	/* Convert acc to 1.31(q31) format */
<>	129:0ab6a29f35bf	7280	return (acc << 2u);
<>	129:0ab6a29f35bf	7281
<>	129:0ab6a29f35bf	7282	}
<>	129:0ab6a29f35bf	7283
<>	129:0ab6a29f35bf	7284	/**
<>	129:0ab6a29f35bf	7285	* @brief Q15 bilinear interpolation.
<>	129:0ab6a29f35bf	7286	* @param[in,out] *S points to an instance of the interpolation structure.
<>	129:0ab6a29f35bf	7287	* @param[in] X interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7288	* @param[in] Y interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7289	* @return out interpolated value.
<>	129:0ab6a29f35bf	7290	*/
<>	129:0ab6a29f35bf	7291
<>	129:0ab6a29f35bf	7292	static __INLINE q15_t arm_bilinear_interp_q15(
<>	129:0ab6a29f35bf	7293	arm_bilinear_interp_instance_q15 * S,
<>	129:0ab6a29f35bf	7294	q31_t X,
<>	129:0ab6a29f35bf	7295	q31_t Y)
<>	129:0ab6a29f35bf	7296	{
<>	129:0ab6a29f35bf	7297	q63_t acc = 0; /* output */
<>	129:0ab6a29f35bf	7298	q31_t out; /* Temporary output */
<>	129:0ab6a29f35bf	7299	q15_t x1, x2, y1, y2; /* Nearest output values */
<>	129:0ab6a29f35bf	7300	q31_t xfract, yfract; /* X, Y fractional parts */
<>	129:0ab6a29f35bf	7301	int32_t rI, cI; /* Row and column indices */
<>	129:0ab6a29f35bf	7302	q15_t pYData = S->pData; / pointer to output table values */
<>	129:0ab6a29f35bf	7303	uint32_t nCols = S->numCols; /* num of rows */
<>	129:0ab6a29f35bf	7304
<>	129:0ab6a29f35bf	7305	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7306	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7307	/* Index value calculation */
<>	129:0ab6a29f35bf	7308	rI = ((X & 0xFFF00000) >> 20);
<>	129:0ab6a29f35bf	7309
<>	129:0ab6a29f35bf	7310	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7311	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7312	/* Index value calculation */
<>	129:0ab6a29f35bf	7313	cI = ((Y & 0xFFF00000) >> 20);
<>	129:0ab6a29f35bf	7314
<>	129:0ab6a29f35bf	7315	/* Care taken for table outside boundary */
<>	129:0ab6a29f35bf	7316	/* Returns zero output when values are outside table boundary */
<>	129:0ab6a29f35bf	7317	if(rI < 0 \|\| rI > (S->numRows - 1) \|\| cI < 0 \|\| cI > (S->numCols - 1))
<>	129:0ab6a29f35bf	7318	{
<>	129:0ab6a29f35bf	7319	return (0);
<>	129:0ab6a29f35bf	7320	}
<>	129:0ab6a29f35bf	7321
<>	129:0ab6a29f35bf	7322	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7323	/* xfract should be in 12.20 format */
<>	129:0ab6a29f35bf	7324	xfract = (X & 0x000FFFFF);
<>	129:0ab6a29f35bf	7325
<>	129:0ab6a29f35bf	7326	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7327	x1 = pYData[(rI) + nCols * (cI)];
<>	129:0ab6a29f35bf	7328	x2 = pYData[(rI) + nCols * (cI) + 1u];
<>	129:0ab6a29f35bf	7329
<>	129:0ab6a29f35bf	7330
<>	129:0ab6a29f35bf	7331	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7332	/* yfract should be in 12.20 format */
<>	129:0ab6a29f35bf	7333	yfract = (Y & 0x000FFFFF);
<>	129:0ab6a29f35bf	7334
<>	129:0ab6a29f35bf	7335	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7336	y1 = pYData[(rI) + nCols * (cI + 1)];
<>	129:0ab6a29f35bf	7337	y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
<>	129:0ab6a29f35bf	7338
<>	129:0ab6a29f35bf	7339	/* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 13.51 format */
<>	129:0ab6a29f35bf	7340
<>	129:0ab6a29f35bf	7341	/* x1 is in 1.15(q15), xfract in 12.20 format and out is in 13.35 format */
<>	129:0ab6a29f35bf	7342	/* convert 13.35 to 13.31 by right shifting and out is in 1.31 */
<>	129:0ab6a29f35bf	7343	out = (q31_t) (((q63_t) x1 * (0xFFFFF - xfract)) >> 4u);
<>	129:0ab6a29f35bf	7344	acc = ((q63_t) out * (0xFFFFF - yfract));
<>	129:0ab6a29f35bf	7345
<>	129:0ab6a29f35bf	7346	/* x2 * (xfract) * (1-yfract) in 1.51 and adding to acc */
<>	129:0ab6a29f35bf	7347	out = (q31_t) (((q63_t) x2 * (0xFFFFF - yfract)) >> 4u);
<>	129:0ab6a29f35bf	7348	acc += ((q63_t) out * (xfract));
<>	129:0ab6a29f35bf	7349
<>	129:0ab6a29f35bf	7350	/* y1 * (1 - xfract) * (yfract) in 1.51 and adding to acc */
<>	129:0ab6a29f35bf	7351	out = (q31_t) (((q63_t) y1 * (0xFFFFF - xfract)) >> 4u);
<>	129:0ab6a29f35bf	7352	acc += ((q63_t) out * (yfract));
<>	129:0ab6a29f35bf	7353
<>	129:0ab6a29f35bf	7354	/* y2 * (xfract) * (yfract) in 1.51 and adding to acc */
<>	129:0ab6a29f35bf	7355	out = (q31_t) (((q63_t) y2 * (xfract)) >> 4u);
<>	129:0ab6a29f35bf	7356	acc += ((q63_t) out * (yfract));
<>	129:0ab6a29f35bf	7357
<>	129:0ab6a29f35bf	7358	/* acc is in 13.51 format and down shift acc by 36 times */
<>	129:0ab6a29f35bf	7359	/* Convert out to 1.15 format */
<>	129:0ab6a29f35bf	7360	return (acc >> 36);
<>	129:0ab6a29f35bf	7361
<>	129:0ab6a29f35bf	7362	}
<>	129:0ab6a29f35bf	7363
<>	129:0ab6a29f35bf	7364	/**
<>	129:0ab6a29f35bf	7365	* @brief Q7 bilinear interpolation.
<>	129:0ab6a29f35bf	7366	* @param[in,out] *S points to an instance of the interpolation structure.
<>	129:0ab6a29f35bf	7367	* @param[in] X interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7368	* @param[in] Y interpolation coordinate in 12.20 format.
<>	129:0ab6a29f35bf	7369	* @return out interpolated value.
<>	129:0ab6a29f35bf	7370	*/
<>	129:0ab6a29f35bf	7371
<>	129:0ab6a29f35bf	7372	static __INLINE q7_t arm_bilinear_interp_q7(
<>	129:0ab6a29f35bf	7373	arm_bilinear_interp_instance_q7 * S,
<>	129:0ab6a29f35bf	7374	q31_t X,
<>	129:0ab6a29f35bf	7375	q31_t Y)
<>	129:0ab6a29f35bf	7376	{
<>	129:0ab6a29f35bf	7377	q63_t acc = 0; /* output */
<>	129:0ab6a29f35bf	7378	q31_t out; /* Temporary output */
<>	129:0ab6a29f35bf	7379	q31_t xfract, yfract; /* X, Y fractional parts */
<>	129:0ab6a29f35bf	7380	q7_t x1, x2, y1, y2; /* Nearest output values */
<>	129:0ab6a29f35bf	7381	int32_t rI, cI; /* Row and column indices */
<>	129:0ab6a29f35bf	7382	q7_t pYData = S->pData; / pointer to output table values */
<>	129:0ab6a29f35bf	7383	uint32_t nCols = S->numCols; /* num of rows */
<>	129:0ab6a29f35bf	7384
<>	129:0ab6a29f35bf	7385	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7386	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7387	/* Index value calculation */
<>	129:0ab6a29f35bf	7388	rI = ((X & 0xFFF00000) >> 20);
<>	129:0ab6a29f35bf	7389
<>	129:0ab6a29f35bf	7390	/* Input is in 12.20 format */
<>	129:0ab6a29f35bf	7391	/* 12 bits for the table index */
<>	129:0ab6a29f35bf	7392	/* Index value calculation */
<>	129:0ab6a29f35bf	7393	cI = ((Y & 0xFFF00000) >> 20);
<>	129:0ab6a29f35bf	7394
<>	129:0ab6a29f35bf	7395	/* Care taken for table outside boundary */
<>	129:0ab6a29f35bf	7396	/* Returns zero output when values are outside table boundary */
<>	129:0ab6a29f35bf	7397	if(rI < 0 \|\| rI > (S->numRows - 1) \|\| cI < 0 \|\| cI > (S->numCols - 1))
<>	129:0ab6a29f35bf	7398	{
<>	129:0ab6a29f35bf	7399	return (0);
<>	129:0ab6a29f35bf	7400	}
<>	129:0ab6a29f35bf	7401
<>	129:0ab6a29f35bf	7402	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7403	/* xfract should be in 12.20 format */
<>	129:0ab6a29f35bf	7404	xfract = (X & 0x000FFFFF);
<>	129:0ab6a29f35bf	7405
<>	129:0ab6a29f35bf	7406	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7407	x1 = pYData[(rI) + nCols * (cI)];
<>	129:0ab6a29f35bf	7408	x2 = pYData[(rI) + nCols * (cI) + 1u];
<>	129:0ab6a29f35bf	7409
<>	129:0ab6a29f35bf	7410
<>	129:0ab6a29f35bf	7411	/* 20 bits for the fractional part */
<>	129:0ab6a29f35bf	7412	/* yfract should be in 12.20 format */
<>	129:0ab6a29f35bf	7413	yfract = (Y & 0x000FFFFF);
<>	129:0ab6a29f35bf	7414
<>	129:0ab6a29f35bf	7415	/* Read two nearest output values from the index */
<>	129:0ab6a29f35bf	7416	y1 = pYData[(rI) + nCols * (cI + 1)];
<>	129:0ab6a29f35bf	7417	y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
<>	129:0ab6a29f35bf	7418
<>	129:0ab6a29f35bf	7419	/* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 16.47 format */
<>	129:0ab6a29f35bf	7420	out = ((x1 * (0xFFFFF - xfract)));
<>	129:0ab6a29f35bf	7421	acc = (((q63_t) out * (0xFFFFF - yfract)));
<>	129:0ab6a29f35bf	7422
<>	129:0ab6a29f35bf	7423	/* x2 * (xfract) * (1-yfract) in 2.22 and adding to acc */
<>	129:0ab6a29f35bf	7424	out = ((x2 * (0xFFFFF - yfract)));
<>	129:0ab6a29f35bf	7425	acc += (((q63_t) out * (xfract)));
<>	129:0ab6a29f35bf	7426
<>	129:0ab6a29f35bf	7427	/* y1 * (1 - xfract) * (yfract) in 2.22 and adding to acc */
<>	129:0ab6a29f35bf	7428	out = ((y1 * (0xFFFFF - xfract)));
<>	129:0ab6a29f35bf	7429	acc += (((q63_t) out * (yfract)));
<>	129:0ab6a29f35bf	7430
<>	129:0ab6a29f35bf	7431	/* y2 * (xfract) * (yfract) in 2.22 and adding to acc */
<>	129:0ab6a29f35bf	7432	out = ((y2 * (yfract)));
<>	129:0ab6a29f35bf	7433	acc += (((q63_t) out * (xfract)));
<>	129:0ab6a29f35bf	7434
<>	129:0ab6a29f35bf	7435	/* acc in 16.47 format and down shift by 40 to convert to 1.7 format */
<>	129:0ab6a29f35bf	7436	return (acc >> 40);
<>	129:0ab6a29f35bf	7437
<>	129:0ab6a29f35bf	7438	}
<>	129:0ab6a29f35bf	7439
<>	129:0ab6a29f35bf	7440	/**
<>	129:0ab6a29f35bf	7441	* @} end of BilinearInterpolate group
<>	129:0ab6a29f35bf	7442	*/
<>	129:0ab6a29f35bf	7443
<>	129:0ab6a29f35bf	7444
<>	129:0ab6a29f35bf	7445	//SMMLAR
<>	129:0ab6a29f35bf	7446	#define multAcc_32x32_keep32_R(a, x, y) \
<>	129:0ab6a29f35bf	7447	a = (q31_t) (((((q63_t) a) << 32) + ((q63_t) x * y) + 0x80000000LL ) >> 32)
<>	129:0ab6a29f35bf	7448
<>	129:0ab6a29f35bf	7449	//SMMLSR
<>	129:0ab6a29f35bf	7450	#define multSub_32x32_keep32_R(a, x, y) \
<>	129:0ab6a29f35bf	7451	a = (q31_t) (((((q63_t) a) << 32) - ((q63_t) x * y) + 0x80000000LL ) >> 32)
<>	129:0ab6a29f35bf	7452
<>	129:0ab6a29f35bf	7453	//SMMULR
<>	129:0ab6a29f35bf	7454	#define mult_32x32_keep32_R(a, x, y) \
<>	129:0ab6a29f35bf	7455	a = (q31_t) (((q63_t) x * y + 0x80000000LL ) >> 32)
<>	129:0ab6a29f35bf	7456
<>	129:0ab6a29f35bf	7457	//SMMLA
<>	129:0ab6a29f35bf	7458	#define multAcc_32x32_keep32(a, x, y) \
<>	129:0ab6a29f35bf	7459	a += (q31_t) (((q63_t) x * y) >> 32)
<>	129:0ab6a29f35bf	7460
<>	129:0ab6a29f35bf	7461	//SMMLS
<>	129:0ab6a29f35bf	7462	#define multSub_32x32_keep32(a, x, y) \
<>	129:0ab6a29f35bf	7463	a -= (q31_t) (((q63_t) x * y) >> 32)
<>	129:0ab6a29f35bf	7464
<>	129:0ab6a29f35bf	7465	//SMMUL
<>	129:0ab6a29f35bf	7466	#define mult_32x32_keep32(a, x, y) \
<>	129:0ab6a29f35bf	7467	a = (q31_t) (((q63_t) x * y ) >> 32)
<>	129:0ab6a29f35bf	7468
<>	129:0ab6a29f35bf	7469
<>	129:0ab6a29f35bf	7470	#if defined ( __CC_ARM ) //Keil
<>	129:0ab6a29f35bf	7471
<>	129:0ab6a29f35bf	7472	//Enter low optimization region - place directly above function definition
<>	129:0ab6a29f35bf	7473	#ifdef ARM_MATH_CM4
<>	129:0ab6a29f35bf	7474	#define LOW_OPTIMIZATION_ENTER \
<>	129:0ab6a29f35bf	7475	_Pragma ("push") \
<>	129:0ab6a29f35bf	7476	_Pragma ("O1")
<>	129:0ab6a29f35bf	7477	#else
<>	129:0ab6a29f35bf	7478	#define LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7479	#endif
<>	129:0ab6a29f35bf	7480
<>	129:0ab6a29f35bf	7481	//Exit low optimization region - place directly after end of function definition
<>	129:0ab6a29f35bf	7482	#ifdef ARM_MATH_CM4
<>	129:0ab6a29f35bf	7483	#define LOW_OPTIMIZATION_EXIT \
<>	129:0ab6a29f35bf	7484	_Pragma ("pop")
<>	129:0ab6a29f35bf	7485	#else
<>	129:0ab6a29f35bf	7486	#define LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7487	#endif
<>	129:0ab6a29f35bf	7488
<>	129:0ab6a29f35bf	7489	//Enter low optimization region - place directly above function definition
<>	129:0ab6a29f35bf	7490	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7491
<>	129:0ab6a29f35bf	7492	//Exit low optimization region - place directly after end of function definition
<>	129:0ab6a29f35bf	7493	#define IAR_ONLY_LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7494
<>	129:0ab6a29f35bf	7495	#elif defined(__ICCARM__) //IAR
<>	129:0ab6a29f35bf	7496
<>	129:0ab6a29f35bf	7497	//Enter low optimization region - place directly above function definition
<>	129:0ab6a29f35bf	7498	#ifdef ARM_MATH_CM4
<>	129:0ab6a29f35bf	7499	#define LOW_OPTIMIZATION_ENTER \
<>	129:0ab6a29f35bf	7500	_Pragma ("optimize=low")
<>	129:0ab6a29f35bf	7501	#else
<>	129:0ab6a29f35bf	7502	#define LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7503	#endif
<>	129:0ab6a29f35bf	7504
<>	129:0ab6a29f35bf	7505	//Exit low optimization region - place directly after end of function definition
<>	129:0ab6a29f35bf	7506	#define LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7507
<>	129:0ab6a29f35bf	7508	//Enter low optimization region - place directly above function definition
<>	129:0ab6a29f35bf	7509	#ifdef ARM_MATH_CM4
<>	129:0ab6a29f35bf	7510	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER \
<>	129:0ab6a29f35bf	7511	_Pragma ("optimize=low")
<>	129:0ab6a29f35bf	7512	#else
<>	129:0ab6a29f35bf	7513	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7514	#endif
<>	129:0ab6a29f35bf	7515
<>	129:0ab6a29f35bf	7516	//Exit low optimization region - place directly after end of function definition
<>	129:0ab6a29f35bf	7517	#define IAR_ONLY_LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7518
<>	129:0ab6a29f35bf	7519	#elif defined(__GNUC__)
<>	129:0ab6a29f35bf	7520
<>	129:0ab6a29f35bf	7521	#define LOW_OPTIMIZATION_ENTER __attribute__(( optimize("-O1") ))
<>	129:0ab6a29f35bf	7522
<>	129:0ab6a29f35bf	7523	#define LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7524
<>	129:0ab6a29f35bf	7525	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7526
<>	129:0ab6a29f35bf	7527	#define IAR_ONLY_LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7528
<>	129:0ab6a29f35bf	7529	#elif defined(__CSMC__) // Cosmic
<>	129:0ab6a29f35bf	7530
<>	129:0ab6a29f35bf	7531	#define LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7532	#define LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7533	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7534	#define IAR_ONLY_LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7535
<>	129:0ab6a29f35bf	7536	#elif defined(__TASKING__) // TASKING
<>	129:0ab6a29f35bf	7537
<>	129:0ab6a29f35bf	7538	#define LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7539	#define LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7540	#define IAR_ONLY_LOW_OPTIMIZATION_ENTER
<>	129:0ab6a29f35bf	7541	#define IAR_ONLY_LOW_OPTIMIZATION_EXIT
<>	129:0ab6a29f35bf	7542
<>	129:0ab6a29f35bf	7543	#endif
<>	129:0ab6a29f35bf	7544
<>	129:0ab6a29f35bf	7545
<>	129:0ab6a29f35bf	7546	#ifdef __cplusplus
<>	129:0ab6a29f35bf	7547	}
<>	129:0ab6a29f35bf	7548	#endif
<>	129:0ab6a29f35bf	7549
<>	129:0ab6a29f35bf	7550
<>	129:0ab6a29f35bf	7551	#endif /* _ARM_MATH_H */
<>	129:0ab6a29f35bf	7552
<>	129:0ab6a29f35bf	7553	/**
<>	129:0ab6a29f35bf	7554	*
<>	129:0ab6a29f35bf	7555	* End of file.
<>	129:0ab6a29f35bf	7556	*/