Shuto Naruse / Mbed 2 deprecated Eurobot2012_Secondary

Eurobot2012_Secondary

Fork of Eurobot_2012_Secondary by Shuto Naruse

tvmet/AliasProxy.h@1:cc2a9eb0bd55, 2012-10-17 (annotated)

Committer:
narshu
Date:
Wed Oct 17 22:25:31 2012 +0000
Revision:
1:cc2a9eb0bd55
Commit before publishing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
narshu 1:cc2a9eb0bd55 1 /*
narshu 1:cc2a9eb0bd55 2 * Tiny Vector Matrix Library
narshu 1:cc2a9eb0bd55 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
narshu 1:cc2a9eb0bd55 4 *
narshu 1:cc2a9eb0bd55 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
narshu 1:cc2a9eb0bd55 6 *
narshu 1:cc2a9eb0bd55 7 * This library is free software; you can redistribute it and/or
narshu 1:cc2a9eb0bd55 8 * modify it under the terms of the GNU Lesser General Public
narshu 1:cc2a9eb0bd55 9 * License as published by the Free Software Foundation; either
narshu 1:cc2a9eb0bd55 10 * version 2.1 of the License, or (at your option) any later version.
narshu 1:cc2a9eb0bd55 11 *
narshu 1:cc2a9eb0bd55 12 * This library is distributed in the hope that it will be useful,
narshu 1:cc2a9eb0bd55 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
narshu 1:cc2a9eb0bd55 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
narshu 1:cc2a9eb0bd55 15 * Lesser General Public License for more details.
narshu 1:cc2a9eb0bd55 16 *
narshu 1:cc2a9eb0bd55 17 * You should have received a copy of the GNU Lesser General Public
narshu 1:cc2a9eb0bd55 18 * License along with this library; if not, write to the Free Software
narshu 1:cc2a9eb0bd55 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
narshu 1:cc2a9eb0bd55 20 *
narshu 1:cc2a9eb0bd55 21 * $Id: AliasProxy.h,v 1.8 2007-06-23 15:58:58 opetzold Exp $
narshu 1:cc2a9eb0bd55 22 */
narshu 1:cc2a9eb0bd55 23
narshu 1:cc2a9eb0bd55 24 #ifndef TVMET_ALIAS_PROXY_H
narshu 1:cc2a9eb0bd55 25 #define TVMET_ALIAS_PROXY_H
narshu 1:cc2a9eb0bd55 26
narshu 1:cc2a9eb0bd55 27 namespace tvmet {
narshu 1:cc2a9eb0bd55 28
narshu 1:cc2a9eb0bd55 29
narshu 1:cc2a9eb0bd55 30 /** forwards */
narshu 1:cc2a9eb0bd55 31 template<class E> class AliasProxy;
narshu 1:cc2a9eb0bd55 32
narshu 1:cc2a9eb0bd55 33
narshu 1:cc2a9eb0bd55 34 /**
narshu 1:cc2a9eb0bd55 35 * \brief Simplify syntax for alias Matrices and Vectors,
narshu 1:cc2a9eb0bd55 36 * where aliasing left hand values appear in the
narshu 1:cc2a9eb0bd55 37 * expression.
narshu 1:cc2a9eb0bd55 38 * \par Example:
narshu 1:cc2a9eb0bd55 39 * \code
narshu 1:cc2a9eb0bd55 40 * typedef tvmet::Matrix<double, 10, 10> matrix_type;
narshu 1:cc2a9eb0bd55 41 * matrix_type m;
narshu 1:cc2a9eb0bd55 42 * ...
narshu 1:cc2a9eb0bd55 43 * alias(m) += trans(m);
narshu 1:cc2a9eb0bd55 44 * \endcode
narshu 1:cc2a9eb0bd55 45 * \sa AliasProxy
narshu 1:cc2a9eb0bd55 46 * \sa Some Notes \ref alias
narshu 1:cc2a9eb0bd55 47 */
narshu 1:cc2a9eb0bd55 48 template<class E>
narshu 1:cc2a9eb0bd55 49 AliasProxy<E> alias(E& expr) { return AliasProxy<E>(expr); }
narshu 1:cc2a9eb0bd55 50
narshu 1:cc2a9eb0bd55 51
narshu 1:cc2a9eb0bd55 52 /**
narshu 1:cc2a9eb0bd55 53 * \class AliasProxy AliasProxy.h "tvmet/AliasProxy.h"
narshu 1:cc2a9eb0bd55 54 * \brief Assign proxy for alias Matrices and Vectors.
narshu 1:cc2a9eb0bd55 55 *
narshu 1:cc2a9eb0bd55 56 * A short lived object to provide simplified alias syntax.
narshu 1:cc2a9eb0bd55 57 * Only the friend function alias is allowed to create
narshu 1:cc2a9eb0bd55 58 * such a object. The proxy calls the appropriate member
narshu 1:cc2a9eb0bd55 59 * alias_xyz() which have to use temporaries to avoid
narshu 1:cc2a9eb0bd55 60 * overlapping memory regions.
narshu 1:cc2a9eb0bd55 61 * \sa alias
narshu 1:cc2a9eb0bd55 62 * \sa Some Notes \ref alias
narshu 1:cc2a9eb0bd55 63 * \note Thanks to ublas-dev group, where the principle idea
narshu 1:cc2a9eb0bd55 64 * comes from.
narshu 1:cc2a9eb0bd55 65 */
narshu 1:cc2a9eb0bd55 66 template<class E>
narshu 1:cc2a9eb0bd55 67 class AliasProxy
narshu 1:cc2a9eb0bd55 68 {
narshu 1:cc2a9eb0bd55 69 AliasProxy(const AliasProxy&);
narshu 1:cc2a9eb0bd55 70 AliasProxy& operator=(const AliasProxy&);
narshu 1:cc2a9eb0bd55 71
narshu 1:cc2a9eb0bd55 72 friend AliasProxy<E> alias<>(E& expr);
narshu 1:cc2a9eb0bd55 73
narshu 1:cc2a9eb0bd55 74 public:
narshu 1:cc2a9eb0bd55 75 AliasProxy(E& expr) : m_expr(expr) { }
narshu 1:cc2a9eb0bd55 76
narshu 1:cc2a9eb0bd55 77
narshu 1:cc2a9eb0bd55 78 template<class E2>
narshu 1:cc2a9eb0bd55 79 E& operator=(const E2& expr) {
narshu 1:cc2a9eb0bd55 80 return m_expr.alias_assign(expr);
narshu 1:cc2a9eb0bd55 81 }
narshu 1:cc2a9eb0bd55 82
narshu 1:cc2a9eb0bd55 83 template<class E2>
narshu 1:cc2a9eb0bd55 84 E& operator+=(const E2& expr) {
narshu 1:cc2a9eb0bd55 85 return m_expr.alias_add_eq(expr);
narshu 1:cc2a9eb0bd55 86 }
narshu 1:cc2a9eb0bd55 87
narshu 1:cc2a9eb0bd55 88 template<class E2>
narshu 1:cc2a9eb0bd55 89 E& operator-=(const E2& expr) {
narshu 1:cc2a9eb0bd55 90 return m_expr.alias_sub_eq(expr);
narshu 1:cc2a9eb0bd55 91 }
narshu 1:cc2a9eb0bd55 92
narshu 1:cc2a9eb0bd55 93 template<class E2>
narshu 1:cc2a9eb0bd55 94 E& operator*=(const E2& expr) {
narshu 1:cc2a9eb0bd55 95 return m_expr.alias_mul_eq(expr);
narshu 1:cc2a9eb0bd55 96 }
narshu 1:cc2a9eb0bd55 97
narshu 1:cc2a9eb0bd55 98 template<class E2>
narshu 1:cc2a9eb0bd55 99 E& operator/=(const E2& expr) {
narshu 1:cc2a9eb0bd55 100 return m_expr.alias_div_eq(expr);
narshu 1:cc2a9eb0bd55 101 }
narshu 1:cc2a9eb0bd55 102
narshu 1:cc2a9eb0bd55 103 private:
narshu 1:cc2a9eb0bd55 104 E& m_expr;
narshu 1:cc2a9eb0bd55 105 };
narshu 1:cc2a9eb0bd55 106
narshu 1:cc2a9eb0bd55 107
narshu 1:cc2a9eb0bd55 108 #if 0
narshu 1:cc2a9eb0bd55 109 namespace element_wise {
narshu 1:cc2a9eb0bd55 110 // \todo to write
narshu 1:cc2a9eb0bd55 111 template<class E, class E2>
narshu 1:cc2a9eb0bd55 112 E& operator/=(AliasProxy<E>& proxy, const E2& rhs) {
narshu 1:cc2a9eb0bd55 113 return proxy.div_upd(rhs);
narshu 1:cc2a9eb0bd55 114 }
narshu 1:cc2a9eb0bd55 115
narshu 1:cc2a9eb0bd55 116 }
narshu 1:cc2a9eb0bd55 117 #endif
narshu 1:cc2a9eb0bd55 118
narshu 1:cc2a9eb0bd55 119
narshu 1:cc2a9eb0bd55 120 } // namespace tvmet
narshu 1:cc2a9eb0bd55 121
narshu 1:cc2a9eb0bd55 122
narshu 1:cc2a9eb0bd55 123 #endif /* TVMET_ALIAS_PROXY_H */
narshu 1:cc2a9eb0bd55 124
narshu 1:cc2a9eb0bd55 125 // Local Variables:
narshu 1:cc2a9eb0bd55 126 // mode:C++
narshu 1:cc2a9eb0bd55 127 // tab-width:8
narshu 1:cc2a9eb0bd55 128 // End: