This is the Tiny Vector Matrix Expression Templates library found at http://tvmet.sourceforge.net. It is the fastest and most compact matrix lib out there (for < 10x10 matricies). I have done some minor tweaks to make it compile for mbed. For examples and hints on how to use, see: http://tvmet.sourceforge.net/usage.html

Dependents:   Eurobot_2012_Secondary

Committer:
madcowswe
Date:
Wed Mar 28 15:53:45 2012 +0000
Revision:
0:feb4117d16d8

        

Who changed what in which revision?

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madcowswe 0:feb4117d16d8 1 /*
madcowswe 0:feb4117d16d8 2 * Tiny Vector Matrix Library
madcowswe 0:feb4117d16d8 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
madcowswe 0:feb4117d16d8 4 *
madcowswe 0:feb4117d16d8 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
madcowswe 0:feb4117d16d8 6 *
madcowswe 0:feb4117d16d8 7 * This library is free software; you can redistribute it and/or
madcowswe 0:feb4117d16d8 8 * modify it under the terms of the GNU lesser General Public
madcowswe 0:feb4117d16d8 9 * License as published by the Free Software Foundation; either
madcowswe 0:feb4117d16d8 10 * version 2.1 of the License, or (at your option) any later version.
madcowswe 0:feb4117d16d8 11 *
madcowswe 0:feb4117d16d8 12 * This library is distributed in the hope that it will be useful,
madcowswe 0:feb4117d16d8 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
madcowswe 0:feb4117d16d8 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
madcowswe 0:feb4117d16d8 15 * lesser General Public License for more details.
madcowswe 0:feb4117d16d8 16 *
madcowswe 0:feb4117d16d8 17 * You should have received a copy of the GNU lesser General Public
madcowswe 0:feb4117d16d8 18 * License along with this library; if not, write to the Free Software
madcowswe 0:feb4117d16d8 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
madcowswe 0:feb4117d16d8 20 *
madcowswe 0:feb4117d16d8 21 * $Id: Matrix.h,v 1.19 2007-06-23 15:58:59 opetzold Exp $
madcowswe 0:feb4117d16d8 22 */
madcowswe 0:feb4117d16d8 23
madcowswe 0:feb4117d16d8 24 #ifndef TVMET_META_MATRIX_H
madcowswe 0:feb4117d16d8 25 #define TVMET_META_MATRIX_H
madcowswe 0:feb4117d16d8 26
madcowswe 0:feb4117d16d8 27 #include <tvmet/NumericTraits.h>
madcowswe 0:feb4117d16d8 28 #include <tvmet/xpr/Null.h>
madcowswe 0:feb4117d16d8 29
madcowswe 0:feb4117d16d8 30 namespace tvmet {
madcowswe 0:feb4117d16d8 31
madcowswe 0:feb4117d16d8 32 namespace meta {
madcowswe 0:feb4117d16d8 33
madcowswe 0:feb4117d16d8 34
madcowswe 0:feb4117d16d8 35 /**
madcowswe 0:feb4117d16d8 36 * \class Matrix Matrix.h "tvmet/meta/Matrix.h"
madcowswe 0:feb4117d16d8 37 * \brief Meta %Matrix class using expression and meta templates.
madcowswe 0:feb4117d16d8 38 */
madcowswe 0:feb4117d16d8 39 template<std::size_t Rows, std::size_t Cols,
madcowswe 0:feb4117d16d8 40 std::size_t M=0, std::size_t N=0>
madcowswe 0:feb4117d16d8 41 class Matrix
madcowswe 0:feb4117d16d8 42 {
madcowswe 0:feb4117d16d8 43 Matrix();
madcowswe 0:feb4117d16d8 44 Matrix(const Matrix&);
madcowswe 0:feb4117d16d8 45 Matrix& operator=(const Matrix&);
madcowswe 0:feb4117d16d8 46
madcowswe 0:feb4117d16d8 47 private:
madcowswe 0:feb4117d16d8 48 enum {
madcowswe 0:feb4117d16d8 49 doRows = (M < Rows - 1) ? 1 : 0, /**< recursive counter Rows. */
madcowswe 0:feb4117d16d8 50 doCols = (N < Cols - 1) ? 1 : 0 /**< recursive counter Cols. */
madcowswe 0:feb4117d16d8 51 };
madcowswe 0:feb4117d16d8 52
madcowswe 0:feb4117d16d8 53 public:
madcowswe 0:feb4117d16d8 54 /** assign an expression on columns on given row using the functional assign_fn. */
madcowswe 0:feb4117d16d8 55 template<class Dest, class Src, class Assign>
madcowswe 0:feb4117d16d8 56 static inline
madcowswe 0:feb4117d16d8 57 void assign2(Dest& lhs, const Src& rhs, const Assign& assign_fn) {
madcowswe 0:feb4117d16d8 58 assign_fn.apply_on(lhs(M, N), rhs(M, N));
madcowswe 0:feb4117d16d8 59 Matrix<Rows * doCols, Cols * doCols,
madcowswe 0:feb4117d16d8 60 M * doCols, (N+1) * doCols>::assign2(lhs, rhs, assign_fn);
madcowswe 0:feb4117d16d8 61 }
madcowswe 0:feb4117d16d8 62
madcowswe 0:feb4117d16d8 63 /** assign an expression on row-wise using the functional assign_fn. */
madcowswe 0:feb4117d16d8 64 template<class Dest, class Src, class Assign>
madcowswe 0:feb4117d16d8 65 static inline
madcowswe 0:feb4117d16d8 66 void assign(Dest& lhs, const Src& rhs, const Assign& assign_fn) {
madcowswe 0:feb4117d16d8 67 Matrix<Rows, Cols,
madcowswe 0:feb4117d16d8 68 M, 0>::assign2(lhs, rhs, assign_fn);
madcowswe 0:feb4117d16d8 69 Matrix<Rows * doRows, Cols * doRows,
madcowswe 0:feb4117d16d8 70 (M+1) * doRows, 0>::assign(lhs, rhs, assign_fn);
madcowswe 0:feb4117d16d8 71 }
madcowswe 0:feb4117d16d8 72
madcowswe 0:feb4117d16d8 73 /** evaluate a given matrix expression, column wise. */
madcowswe 0:feb4117d16d8 74 template<class E>
madcowswe 0:feb4117d16d8 75 static inline
madcowswe 0:feb4117d16d8 76 bool all_elements2(const E& e) {
madcowswe 0:feb4117d16d8 77 if(!e(M, N)) return false;
madcowswe 0:feb4117d16d8 78 return Matrix<Rows * doCols, Cols * doCols,
madcowswe 0:feb4117d16d8 79 M * doCols, (N+1) * doCols>::all_elements2(e);
madcowswe 0:feb4117d16d8 80 }
madcowswe 0:feb4117d16d8 81
madcowswe 0:feb4117d16d8 82 /** evaluate a given matrix expression, row wise. */
madcowswe 0:feb4117d16d8 83 template<class E>
madcowswe 0:feb4117d16d8 84 static inline
madcowswe 0:feb4117d16d8 85 bool all_elements(const E& e) {
madcowswe 0:feb4117d16d8 86 if(!Matrix<Rows, Cols, M, 0>::all_elements2(e) ) return false;
madcowswe 0:feb4117d16d8 87 return Matrix<Rows * doRows, Cols * doRows,
madcowswe 0:feb4117d16d8 88 (M+1) * doRows, 0>::all_elements(e);
madcowswe 0:feb4117d16d8 89 }
madcowswe 0:feb4117d16d8 90
madcowswe 0:feb4117d16d8 91 /** evaluate a given matrix expression, column wise. */
madcowswe 0:feb4117d16d8 92 template<class E>
madcowswe 0:feb4117d16d8 93 static inline
madcowswe 0:feb4117d16d8 94 bool any_elements2(const E& e) {
madcowswe 0:feb4117d16d8 95 if(e(M, N)) return true;
madcowswe 0:feb4117d16d8 96 return Matrix<Rows * doCols, Cols * doCols,
madcowswe 0:feb4117d16d8 97 M * doCols, (N+1) * doCols>::any_elements2(e);
madcowswe 0:feb4117d16d8 98 }
madcowswe 0:feb4117d16d8 99
madcowswe 0:feb4117d16d8 100 /** evaluate a given matrix expression, row wise. */
madcowswe 0:feb4117d16d8 101 template<class E>
madcowswe 0:feb4117d16d8 102 static inline
madcowswe 0:feb4117d16d8 103 bool any_elements(const E& e) {
madcowswe 0:feb4117d16d8 104 if(Matrix<Rows, Cols, M, 0>::any_elements2(e) ) return true;
madcowswe 0:feb4117d16d8 105 return Matrix<Rows * doRows, Cols * doRows,
madcowswe 0:feb4117d16d8 106 (M+1) * doRows, 0>::any_elements(e);
madcowswe 0:feb4117d16d8 107 }
madcowswe 0:feb4117d16d8 108
madcowswe 0:feb4117d16d8 109 /** trace a given matrix expression. */
madcowswe 0:feb4117d16d8 110 template<class E>
madcowswe 0:feb4117d16d8 111 static inline
madcowswe 0:feb4117d16d8 112 typename E::value_type
madcowswe 0:feb4117d16d8 113 trace(const E& e) {
madcowswe 0:feb4117d16d8 114 return e(M, N)
madcowswe 0:feb4117d16d8 115 + Matrix<Rows * doCols, Cols * doCols,
madcowswe 0:feb4117d16d8 116 (M+1) * doCols, (N+1) * doCols>::trace(e);
madcowswe 0:feb4117d16d8 117 }
madcowswe 0:feb4117d16d8 118
madcowswe 0:feb4117d16d8 119 };
madcowswe 0:feb4117d16d8 120
madcowswe 0:feb4117d16d8 121
madcowswe 0:feb4117d16d8 122 /**
madcowswe 0:feb4117d16d8 123 * \class Matrix<0, 0, 0, 0> Matrix.h "tvmet/meta/Matrix.h"
madcowswe 0:feb4117d16d8 124 * \brief Meta %Matrix specialized for recursion.
madcowswe 0:feb4117d16d8 125 */
madcowswe 0:feb4117d16d8 126 template<>
madcowswe 0:feb4117d16d8 127 class Matrix<0, 0, 0, 0>
madcowswe 0:feb4117d16d8 128 {
madcowswe 0:feb4117d16d8 129 Matrix();
madcowswe 0:feb4117d16d8 130 Matrix(const Matrix&);
madcowswe 0:feb4117d16d8 131 Matrix& operator=(const Matrix&);
madcowswe 0:feb4117d16d8 132
madcowswe 0:feb4117d16d8 133 public:
madcowswe 0:feb4117d16d8 134 template<class Dest, class Src, class Assign>
madcowswe 0:feb4117d16d8 135 static inline void assign2(Dest&, const Src&, const Assign&) { }
madcowswe 0:feb4117d16d8 136
madcowswe 0:feb4117d16d8 137 template<class Dest, class Src, class Assign>
madcowswe 0:feb4117d16d8 138 static inline void assign(Dest&, const Src&, const Assign&) { }
madcowswe 0:feb4117d16d8 139
madcowswe 0:feb4117d16d8 140 template<class E>
madcowswe 0:feb4117d16d8 141 static inline bool all_elements2(const E&) { return true; }
madcowswe 0:feb4117d16d8 142
madcowswe 0:feb4117d16d8 143 template<class E>
madcowswe 0:feb4117d16d8 144 static inline bool all_elements(const E&) { return true; }
madcowswe 0:feb4117d16d8 145
madcowswe 0:feb4117d16d8 146 template<class E>
madcowswe 0:feb4117d16d8 147 static inline bool any_elements2(const E&) { return false; }
madcowswe 0:feb4117d16d8 148
madcowswe 0:feb4117d16d8 149 template<class E>
madcowswe 0:feb4117d16d8 150 static inline bool any_elements(const E&) { return false; }
madcowswe 0:feb4117d16d8 151
madcowswe 0:feb4117d16d8 152 template<class E>
madcowswe 0:feb4117d16d8 153 static inline XprNull trace(const E&) { return XprNull(); }
madcowswe 0:feb4117d16d8 154 };
madcowswe 0:feb4117d16d8 155
madcowswe 0:feb4117d16d8 156
madcowswe 0:feb4117d16d8 157 } // namespace meta
madcowswe 0:feb4117d16d8 158
madcowswe 0:feb4117d16d8 159 } // namespace tvmet
madcowswe 0:feb4117d16d8 160
madcowswe 0:feb4117d16d8 161 #endif /* TVMET_META_MATRIX_H */
madcowswe 0:feb4117d16d8 162
madcowswe 0:feb4117d16d8 163 // Local Variables:
madcowswe 0:feb4117d16d8 164 // mode:C++
madcowswe 0:feb4117d16d8 165 // tab-width:8
madcowswe 0:feb4117d16d8 166 // End: