1 //===================================================== 2 // File : tiny_blitz_interface.hh 3 // Author : L. Plagne <laurent.plagne (at) edf.fr)> 4 // Copyright (C) EDF R&D, lun sep 30 14:23:30 CEST 2002 5 //===================================================== 6 // 7 // This program is free software; you can redistribute it and/or 8 // modify it under the terms of the GNU General Public License 9 // as published by the Free Software Foundation; either version 2 10 // of the License, or (at your option) any later version. 11 // 12 // This program is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 // You should have received a copy of the GNU General Public License 17 // along with this program; if not, write to the Free Software 18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 // 20 #ifndef TINY_BLITZ_INTERFACE_HH 21 #define TINY_BLITZ_INTERFACE_HH 22 23 #include "blitz/array.h" 24 #include "blitz/tiny.h" 25 #include "blitz/tinymat.h" 26 #include "blitz/tinyvec.h" 27 #include <blitz/tinyvec-et.h> 28 29 #include <vector> 30 31 BZ_USING_NAMESPACE(blitz) 32 33 template<class real, int SIZE> 34 class tiny_blitz_interface 35 { 36 37 public : 38 39 typedef real real_type ; 40 41 typedef std::vector<real> stl_vector; 42 typedef std::vector<stl_vector > stl_matrix; 43 44 typedef TinyVector<real,SIZE> gene_vector; 45 typedef TinyMatrix<real,SIZE,SIZE> gene_matrix; 46 47 static inline std::string name() { return "tiny_blitz"; } 48 49 static void free_matrix(gene_matrix & A, int N){} 50 51 static void free_vector(gene_vector & B){} 52 53 static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){ 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 static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){ 60 for (int i=0; i<B_stl.size() ; i++) 61 B(i) = B_stl[i]; 62 } 63 64 static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){ 65 for (int i=0; i<B_stl.size() ; i++) 66 B_stl[i] = B(i); 67 } 68 69 static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){ 70 int N = A_stl.size(); 71 for (int j=0;j<N;j++) 72 { 73 A_stl[j].resize(N); 74 for (int i=0;i<N;i++) 75 A_stl[j][i] = A(i,j); 76 } 77 } 78 79 static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){ 80 for (int j=0;j<N;j++) 81 for (int i=0;i<N;i++) 82 cible(i,j) = source(i,j); 83 } 84 85 static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){ 86 for (int i=0;i<N;i++){ 87 cible(i) = source(i); 88 } 89 } 90 91 static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ 92 X = product(A,B); 93 } 94 95 static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ 96 X = product(A,B); 97 } 98 99 static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){ 100 Y += coef * X; 101 } 102 103 }; 104 105 106 #endif 107
