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 BLAZE_INTERFACE_HH 19 #define BLAZE_INTERFACE_HH 20 21 #include <blaze/Math.h> 22 #include <blaze/Blaze.h> 23 // using namespace blaze; 24 25 #include <vector> 26 27 template<class real> 28 class blaze_interface { 29 30 public : 31 32 typedef real real_type ; 33 34 typedef std::vector<real> stl_vector; 35 typedef std::vector<stl_vector > stl_matrix; 36 37 typedef blaze::DynamicMatrix<real,blaze::columnMajor> gene_matrix; 38 typedef blaze::DynamicVector<real> gene_vector; 39 40 static inline std::string name() { return "blaze"; } 41 42 static void free_matrix(gene_matrix & A, int N){ 43 return ; 44 } 45 46 static void free_vector(gene_vector & B){ 47 return ; 48 } 49 50 static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){ 51 A.resize(A_stl[0].size(), A_stl.size()); 52 53 for (int j=0; j<A_stl.size() ; j++){ 54 for (int i=0; i<A_stl[j].size() ; i++){ 55 A(i,j) = A_stl[j][i]; 56 } 57 } 58 } 59 60 static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){ 61 B.resize(B_stl.size()); 62 for (int i=0; i<B_stl.size() ; i++){ 63 B[i] = B_stl[i]; 64 } 65 } 66 67 static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){ 68 for (int i=0; i<B_stl.size() ; i++){ 69 B_stl[i] = B[i]; 70 } 71 } 72 73 static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){ 74 int N=A_stl.size(); 75 for (int j=0;j<N;j++){ 76 A_stl[j].resize(N); 77 for (int i=0;i<N;i++){ 78 A_stl[j][i] = A(i,j); 79 } 80 } 81 } 82 83 static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ 84 X = (A*B); 85 } 86 87 static inline void transposed_matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ 88 X = (trans(A)*trans(B)); 89 } 90 91 static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N){ 92 X = (trans(A)*A); 93 } 94 95 static inline void aat_product(const gene_matrix & A, gene_matrix & X, int N){ 96 X = (A*trans(A)); 97 } 98 99 static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ 100 X = (A*B); 101 } 102 103 static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ 104 X = (trans(A)*B); 105 } 106 107 static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){ 108 Y += coef * X; 109 } 110 111 static inline void axpby(real a, const gene_vector & X, real b, gene_vector & Y, int N){ 112 Y = a*X + b*Y; 113 } 114 115 // static inline void cholesky(const gene_matrix & X, gene_matrix & C, int N){ 116 // C = X; 117 // recursive_cholesky(C); 118 // } 119 120 // static inline void lu_decomp(const gene_matrix & X, gene_matrix & R, int N){ 121 // R = X; 122 // std::vector<int> ipvt(N); 123 // lu_factor(R, ipvt); 124 // } 125 126 // static inline void trisolve_lower(const gene_matrix & L, const gene_vector& B, gene_vector & X, int N){ 127 // X = lower_trisolve(L, B); 128 // } 129 130 static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){ 131 cible = source; 132 } 133 134 static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){ 135 cible = source; 136 } 137 138 }; 139 140 #endif 141
