1 | //=====================================================
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2 | // File : tiny_blitz_interface.hh
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3 | // Author : L. Plagne <laurent.plagne@edf.fr)>
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4 | // Copyright (C) EDF R&D, lun sep 30 14:23:30 CEST 2002
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5 | //=====================================================
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6 | //
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7 | // This program is free software; you can redistribute it and/or
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8 | // modify it under the terms of the GNU General Public License
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9 | // as published by the Free Software Foundation; either version 2
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10 | // of the License, or (at your option) any later version.
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11 | //
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12 | // This program is distributed in the hope that it will be useful,
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13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | // GNU General Public License for more details.
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16 | // You should have received a copy of the GNU General Public License
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17 | // along with this program; if not, write to the Free Software
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18 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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19 | //
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20 | #ifndef TINY_BLITZ_INTERFACE_HH
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21 | #define TINY_BLITZ_INTERFACE_HH
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22 |
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23 | #include "blitz/array.h"
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24 | #include "blitz/tiny.h"
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25 | #include "blitz/tinymat.h"
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26 | #include "blitz/tinyvec.h"
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27 | #include <blitz/tinyvec-et.h>
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28 |
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29 | #include <vector>
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30 |
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31 | BZ_USING_NAMESPACE(blitz)
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32 |
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33 | template<class real, int SIZE>
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34 | class tiny_blitz_interface
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35 | {
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36 |
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37 | public :
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38 |
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39 | typedef real real_type ;
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40 |
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41 | typedef std::vector<real> stl_vector;
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42 | typedef std::vector<stl_vector > stl_matrix;
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43 |
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44 | typedef TinyVector<real,SIZE> gene_vector;
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45 | typedef TinyMatrix<real,SIZE,SIZE> gene_matrix;
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46 |
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47 | static inline std::string name() { return "tiny_blitz"; }
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48 |
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49 | static void free_matrix(gene_matrix & A, int N){}
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50 |
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51 | static void free_vector(gene_vector & B){}
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52 |
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53 | static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
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54 | for (int j=0; j<A_stl.size() ; j++)
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55 | for (int i=0; i<A_stl[j].size() ; i++)
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56 | A(i,j)=A_stl[j][i];
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57 | }
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58 |
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59 | static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){
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60 | for (int i=0; i<B_stl.size() ; i++)
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61 | B(i) = B_stl[i];
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62 | }
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63 |
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64 | static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){
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65 | for (int i=0; i<B_stl.size() ; i++)
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66 | B_stl[i] = B(i);
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67 | }
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68 |
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69 | static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
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70 | int N = A_stl.size();
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71 | for (int j=0;j<N;j++)
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72 | {
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73 | A_stl[j].resize(N);
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74 | for (int i=0;i<N;i++)
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75 | A_stl[j][i] = A(i,j);
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76 | }
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77 | }
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78 |
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79 | static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){
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80 | for (int j=0;j<N;j++)
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81 | for (int i=0;i<N;i++)
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82 | cible(i,j) = source(i,j);
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83 | }
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84 |
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85 | static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){
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86 | for (int i=0;i<N;i++){
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87 | cible(i) = source(i);
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88 | }
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89 | }
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90 |
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91 | static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){
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92 | X = product(A,B);
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93 | }
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94 |
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95 | static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
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96 | X = product(A,B);
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97 | }
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98 |
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99 | static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){
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100 | Y += coef * X;
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101 | }
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102 |
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103 | };
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104 |
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105 |
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106 | #endif
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