1 //===================================================== 2 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud (at) inria.fr> 3 //===================================================== 4 // 5 // This program is free software; you can redistribute it and/or 6 // modify it under the terms of the GNU General Public License 7 // as published by the Free Software Foundation; either version 2 8 // of the License, or (at your option) any later version. 9 // 10 // This program is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 // 18 #ifndef MTL4_INTERFACE_HH 19 #define MTL4_INTERFACE_HH 20 21 #include <boost/numeric/mtl/mtl.hpp> 22 #include <boost/numeric/mtl/utility/range_generator.hpp> 23 // #include <boost/numeric/mtl/operation/cholesky.hpp> 24 #include <vector> 25 26 using namespace mtl; 27 28 template<class real> 29 class mtl4_interface { 30 31 public : 32 33 typedef real real_type ; 34 35 typedef std::vector<real> stl_vector; 36 typedef std::vector<stl_vector > stl_matrix; 37 38 typedef mtl::dense2D<real, mtl::matrix::parameters<mtl::tag::col_major> > gene_matrix; 39 typedef mtl::dense_vector<real> gene_vector; 40 41 static inline std::string name() { return "mtl4"; } 42 43 static void free_matrix(gene_matrix & A, int N){ 44 return ; 45 } 46 47 static void free_vector(gene_vector & B){ 48 return ; 49 } 50 51 static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){ 52 A.change_dim(A_stl[0].size(), A_stl.size()); 53 54 for (int j=0; j<A_stl.size() ; j++){ 55 for (int i=0; i<A_stl[j].size() ; i++){ 56 A(i,j) = A_stl[j][i]; 57 } 58 } 59 } 60 61 static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){ 62 B.change_dim(B_stl.size()); 63 for (int i=0; i<B_stl.size() ; i++){ 64 B[i] = B_stl[i]; 65 } 66 } 67 68 static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){ 69 for (int i=0; i<B_stl.size() ; i++){ 70 B_stl[i] = B[i]; 71 } 72 } 73 74 static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){ 75 int N=A_stl.size(); 76 for (int j=0;j<N;j++){ 77 A_stl[j].resize(N); 78 for (int i=0;i<N;i++){ 79 A_stl[j][i] = A(i,j); 80 } 81 } 82 } 83 84 static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ 85 X = (A*B); 86 // morton_dense<double, doppled_64_row_mask> C(N,N); 87 // C = B; 88 // X = (A*C); 89 } 90 91 static inline void transposed_matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ 92 X = (trans(A)*trans(B)); 93 } 94 95 // static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N){ 96 // X = (trans(A)*A); 97 // } 98 99 static inline void aat_product(const gene_matrix & A, gene_matrix & X, int N){ 100 X = (A*trans(A)); 101 } 102 103 static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ 104 X = (A*B); 105 } 106 107 static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ 108 X = (trans(A)*B); 109 } 110 111 static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){ 112 Y += coef * X; 113 } 114 115 static inline void axpby(real a, const gene_vector & X, real b, gene_vector & Y, int N){ 116 Y = a*X + b*Y; 117 } 118 119 // static inline void cholesky(const gene_matrix & X, gene_matrix & C, int N){ 120 // C = X; 121 // recursive_cholesky(C); 122 // } 123 124 // static inline void lu_decomp(const gene_matrix & X, gene_matrix & R, int N){ 125 // R = X; 126 // std::vector<int> ipvt(N); 127 // lu_factor(R, ipvt); 128 // } 129 130 static inline void trisolve_lower(const gene_matrix & L, const gene_vector& B, gene_vector & X, int N){ 131 X = lower_trisolve(L, B); 132 } 133 134 static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){ 135 cible = source; 136 } 137 138 static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){ 139 cible = source; 140 } 141 142 }; 143 144 #endif 145
