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ICRS Eurobot 2013

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tvmet/AliasProxy.h@15:9c5aaeda36dc, 2013-04-06 (annotated)

Committer:
madcowswe
Date:
Sat Apr 06 20:57:54 2013 +0000
Revision:
15:9c5aaeda36dc
Encoders fairly tuned, still has random noise in it

Who changed what in which revision?

UserRevisionLine numberNew contents of line
madcowswe 15:9c5aaeda36dc 1 /*
madcowswe 15:9c5aaeda36dc 2 * Tiny Vector Matrix Library
madcowswe 15:9c5aaeda36dc 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
madcowswe 15:9c5aaeda36dc 4 *
madcowswe 15:9c5aaeda36dc 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
madcowswe 15:9c5aaeda36dc 6 *
madcowswe 15:9c5aaeda36dc 7 * This library is free software; you can redistribute it and/or
madcowswe 15:9c5aaeda36dc 8 * modify it under the terms of the GNU Lesser General Public
madcowswe 15:9c5aaeda36dc 9 * License as published by the Free Software Foundation; either
madcowswe 15:9c5aaeda36dc 10 * version 2.1 of the License, or (at your option) any later version.
madcowswe 15:9c5aaeda36dc 11 *
madcowswe 15:9c5aaeda36dc 12 * This library is distributed in the hope that it will be useful,
madcowswe 15:9c5aaeda36dc 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
madcowswe 15:9c5aaeda36dc 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
madcowswe 15:9c5aaeda36dc 15 * Lesser General Public License for more details.
madcowswe 15:9c5aaeda36dc 16 *
madcowswe 15:9c5aaeda36dc 17 * You should have received a copy of the GNU Lesser General Public
madcowswe 15:9c5aaeda36dc 18 * License along with this library; if not, write to the Free Software
madcowswe 15:9c5aaeda36dc 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
madcowswe 15:9c5aaeda36dc 20 *
madcowswe 15:9c5aaeda36dc 21 * $Id: AliasProxy.h,v 1.8 2007-06-23 15:58:58 opetzold Exp $
madcowswe 15:9c5aaeda36dc 22 */
madcowswe 15:9c5aaeda36dc 23
madcowswe 15:9c5aaeda36dc 24 #ifndef TVMET_ALIAS_PROXY_H
madcowswe 15:9c5aaeda36dc 25 #define TVMET_ALIAS_PROXY_H
madcowswe 15:9c5aaeda36dc 26
madcowswe 15:9c5aaeda36dc 27 namespace tvmet {
madcowswe 15:9c5aaeda36dc 28
madcowswe 15:9c5aaeda36dc 29
madcowswe 15:9c5aaeda36dc 30 /** forwards */
madcowswe 15:9c5aaeda36dc 31 template<class E> class AliasProxy;
madcowswe 15:9c5aaeda36dc 32
madcowswe 15:9c5aaeda36dc 33
madcowswe 15:9c5aaeda36dc 34 /**
madcowswe 15:9c5aaeda36dc 35 * \brief Simplify syntax for alias Matrices and Vectors,
madcowswe 15:9c5aaeda36dc 36 * where aliasing left hand values appear in the
madcowswe 15:9c5aaeda36dc 37 * expression.
madcowswe 15:9c5aaeda36dc 38 * \par Example:
madcowswe 15:9c5aaeda36dc 39 * \code
madcowswe 15:9c5aaeda36dc 40 * typedef tvmet::Matrix<double, 10, 10> matrix_type;
madcowswe 15:9c5aaeda36dc 41 * matrix_type m;
madcowswe 15:9c5aaeda36dc 42 * ...
madcowswe 15:9c5aaeda36dc 43 * alias(m) += trans(m);
madcowswe 15:9c5aaeda36dc 44 * \endcode
madcowswe 15:9c5aaeda36dc 45 * \sa AliasProxy
madcowswe 15:9c5aaeda36dc 46 * \sa Some Notes \ref alias
madcowswe 15:9c5aaeda36dc 47 */
madcowswe 15:9c5aaeda36dc 48 template<class E>
madcowswe 15:9c5aaeda36dc 49 AliasProxy<E> alias(E& expr) { return AliasProxy<E>(expr); }
madcowswe 15:9c5aaeda36dc 50
madcowswe 15:9c5aaeda36dc 51
madcowswe 15:9c5aaeda36dc 52 /**
madcowswe 15:9c5aaeda36dc 53 * \class AliasProxy AliasProxy.h "tvmet/AliasProxy.h"
madcowswe 15:9c5aaeda36dc 54 * \brief Assign proxy for alias Matrices and Vectors.
madcowswe 15:9c5aaeda36dc 55 *
madcowswe 15:9c5aaeda36dc 56 * A short lived object to provide simplified alias syntax.
madcowswe 15:9c5aaeda36dc 57 * Only the friend function alias is allowed to create
madcowswe 15:9c5aaeda36dc 58 * such a object. The proxy calls the appropriate member
madcowswe 15:9c5aaeda36dc 59 * alias_xyz() which have to use temporaries to avoid
madcowswe 15:9c5aaeda36dc 60 * overlapping memory regions.
madcowswe 15:9c5aaeda36dc 61 * \sa alias
madcowswe 15:9c5aaeda36dc 62 * \sa Some Notes \ref alias
madcowswe 15:9c5aaeda36dc 63 * \note Thanks to ublas-dev group, where the principle idea
madcowswe 15:9c5aaeda36dc 64 * comes from.
madcowswe 15:9c5aaeda36dc 65 */
madcowswe 15:9c5aaeda36dc 66 template<class E>
madcowswe 15:9c5aaeda36dc 67 class AliasProxy
madcowswe 15:9c5aaeda36dc 68 {
madcowswe 15:9c5aaeda36dc 69 AliasProxy(const AliasProxy&);
madcowswe 15:9c5aaeda36dc 70 AliasProxy& operator=(const AliasProxy&);
madcowswe 15:9c5aaeda36dc 71
madcowswe 15:9c5aaeda36dc 72 friend AliasProxy<E> alias<>(E& expr);
madcowswe 15:9c5aaeda36dc 73
madcowswe 15:9c5aaeda36dc 74 public:
madcowswe 15:9c5aaeda36dc 75 AliasProxy(E& expr) : m_expr(expr) { }
madcowswe 15:9c5aaeda36dc 76
madcowswe 15:9c5aaeda36dc 77
madcowswe 15:9c5aaeda36dc 78 template<class E2>
madcowswe 15:9c5aaeda36dc 79 E& operator=(const E2& expr) {
madcowswe 15:9c5aaeda36dc 80 return m_expr.alias_assign(expr);
madcowswe 15:9c5aaeda36dc 81 }
madcowswe 15:9c5aaeda36dc 82
madcowswe 15:9c5aaeda36dc 83 template<class E2>
madcowswe 15:9c5aaeda36dc 84 E& operator+=(const E2& expr) {
madcowswe 15:9c5aaeda36dc 85 return m_expr.alias_add_eq(expr);
madcowswe 15:9c5aaeda36dc 86 }
madcowswe 15:9c5aaeda36dc 87
madcowswe 15:9c5aaeda36dc 88 template<class E2>
madcowswe 15:9c5aaeda36dc 89 E& operator-=(const E2& expr) {
madcowswe 15:9c5aaeda36dc 90 return m_expr.alias_sub_eq(expr);
madcowswe 15:9c5aaeda36dc 91 }
madcowswe 15:9c5aaeda36dc 92
madcowswe 15:9c5aaeda36dc 93 template<class E2>
madcowswe 15:9c5aaeda36dc 94 E& operator*=(const E2& expr) {
madcowswe 15:9c5aaeda36dc 95 return m_expr.alias_mul_eq(expr);
madcowswe 15:9c5aaeda36dc 96 }
madcowswe 15:9c5aaeda36dc 97
madcowswe 15:9c5aaeda36dc 98 template<class E2>
madcowswe 15:9c5aaeda36dc 99 E& operator/=(const E2& expr) {
madcowswe 15:9c5aaeda36dc 100 return m_expr.alias_div_eq(expr);
madcowswe 15:9c5aaeda36dc 101 }
madcowswe 15:9c5aaeda36dc 102
madcowswe 15:9c5aaeda36dc 103 private:
madcowswe 15:9c5aaeda36dc 104 E& m_expr;
madcowswe 15:9c5aaeda36dc 105 };
madcowswe 15:9c5aaeda36dc 106
madcowswe 15:9c5aaeda36dc 107
madcowswe 15:9c5aaeda36dc 108 #if 0
madcowswe 15:9c5aaeda36dc 109 namespace element_wise {
madcowswe 15:9c5aaeda36dc 110 // \todo to write
madcowswe 15:9c5aaeda36dc 111 template<class E, class E2>
madcowswe 15:9c5aaeda36dc 112 E& operator/=(AliasProxy<E>& proxy, const E2& rhs) {
madcowswe 15:9c5aaeda36dc 113 return proxy.div_upd(rhs);
madcowswe 15:9c5aaeda36dc 114 }
madcowswe 15:9c5aaeda36dc 115
madcowswe 15:9c5aaeda36dc 116 }
madcowswe 15:9c5aaeda36dc 117 #endif
madcowswe 15:9c5aaeda36dc 118
madcowswe 15:9c5aaeda36dc 119
madcowswe 15:9c5aaeda36dc 120 } // namespace tvmet
madcowswe 15:9c5aaeda36dc 121
madcowswe 15:9c5aaeda36dc 122
madcowswe 15:9c5aaeda36dc 123 #endif /* TVMET_ALIAS_PROXY_H */
madcowswe 15:9c5aaeda36dc 124
madcowswe 15:9c5aaeda36dc 125 // Local Variables:
madcowswe 15:9c5aaeda36dc 126 // mode:C++
madcowswe 15:9c5aaeda36dc 127 // tab-width:8
madcowswe 15:9c5aaeda36dc 128 // End: