[136] | 1 | //=====================================================
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| 2 | // File : action_matrix_vector_product.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 14:23:19 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 ACTION_MATRIX_VECTOR_PRODUCT
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| 21 | #define ACTION_MATRIX_VECTOR_PRODUCT
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| 22 | #include "utilities.h"
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| 23 | #include "STL_interface.hh"
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| 24 | #include <string>
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| 25 | #include "init/init_function.hh"
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| 26 | #include "init/init_vector.hh"
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| 27 | #include "init/init_matrix.hh"
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| 28 |
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| 29 | using namespace std;
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| 30 |
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| 31 | template<class Interface>
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| 32 | class Action_matrix_vector_product {
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| 33 |
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| 34 | public :
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| 35 |
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| 36 | // Ctor
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| 37 |
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| 38 | BTL_DONT_INLINE Action_matrix_vector_product( int size ):_size(size)
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| 39 | {
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| 40 | MESSAGE("Action_matrix_vector_product Ctor");
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| 41 |
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| 42 | // STL matrix and vector initialization
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| 43 |
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| 44 | init_matrix<pseudo_random>(A_stl,_size);
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| 45 | init_vector<pseudo_random>(B_stl,_size);
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| 46 | init_vector<null_function>(X_stl,_size);
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| 47 | init_vector<null_function>(resu_stl,_size);
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| 48 |
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| 49 | // generic matrix and vector initialization
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| 50 |
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| 51 | Interface::matrix_from_stl(A_ref,A_stl);
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| 52 | Interface::matrix_from_stl(A,A_stl);
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| 53 | Interface::vector_from_stl(B_ref,B_stl);
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| 54 | Interface::vector_from_stl(B,B_stl);
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| 55 | Interface::vector_from_stl(X_ref,X_stl);
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| 56 | Interface::vector_from_stl(X,X_stl);
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| 57 |
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| 58 | }
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| 59 |
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| 60 | // invalidate copy ctor
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| 61 |
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| 62 | Action_matrix_vector_product( const Action_matrix_vector_product & )
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| 63 | {
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| 64 | INFOS("illegal call to Action_matrix_vector_product Copy Ctor");
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| 65 | exit(1);
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| 66 | }
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| 67 |
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| 68 | // Dtor
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| 69 |
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| 70 | BTL_DONT_INLINE ~Action_matrix_vector_product( void ){
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| 71 |
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| 72 | MESSAGE("Action_matrix_vector_product Dtor");
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| 73 |
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| 74 | // deallocation
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| 75 |
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| 76 | Interface::free_matrix(A,_size);
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| 77 | Interface::free_vector(B);
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| 78 | Interface::free_vector(X);
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| 79 |
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| 80 | Interface::free_matrix(A_ref,_size);
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| 81 | Interface::free_vector(B_ref);
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| 82 | Interface::free_vector(X_ref);
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| 83 |
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| 84 | }
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| 85 |
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| 86 | // action name
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| 87 |
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| 88 | static inline std::string name( void )
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| 89 | {
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| 90 | return "matrix_vector_" + Interface::name();
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| 91 | }
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| 92 |
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| 93 | double nb_op_base( void ){
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| 94 | return 2.0*_size*_size;
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| 95 | }
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| 96 |
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| 97 | BTL_DONT_INLINE void initialize( void ){
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| 98 |
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| 99 | Interface::copy_matrix(A_ref,A,_size);
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| 100 | Interface::copy_vector(B_ref,B,_size);
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| 101 | Interface::copy_vector(X_ref,X,_size);
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| 102 |
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| 103 | }
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| 104 |
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| 105 | BTL_DONT_INLINE void calculate( void ) {
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| 106 | BTL_ASM_COMMENT("#begin matrix_vector_product");
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| 107 | Interface::matrix_vector_product(A,B,X,_size);
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| 108 | BTL_ASM_COMMENT("end matrix_vector_product");
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| 109 | }
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| 110 |
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| 111 | BTL_DONT_INLINE void check_result( void ){
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| 112 |
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| 113 | // calculation check
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| 114 |
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| 115 | Interface::vector_to_stl(X,resu_stl);
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| 116 |
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| 117 | STL_interface<typename Interface::real_type>::matrix_vector_product(A_stl,B_stl,X_stl,_size);
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| 118 |
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| 119 | typename Interface::real_type error=
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| 120 | STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
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| 121 |
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| 122 | if (error>1.e-5){
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| 123 | INFOS("WRONG CALCULATION...residual=" << error);
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| 124 | exit(0);
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| 125 | }
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| 126 |
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| 127 | }
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| 128 |
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| 129 | private :
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| 130 |
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| 131 | typename Interface::stl_matrix A_stl;
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| 132 | typename Interface::stl_vector B_stl;
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| 133 | typename Interface::stl_vector X_stl;
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| 134 | typename Interface::stl_vector resu_stl;
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| 135 |
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| 136 | typename Interface::gene_matrix A_ref;
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| 137 | typename Interface::gene_vector B_ref;
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| 138 | typename Interface::gene_vector X_ref;
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| 139 |
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| 140 | typename Interface::gene_matrix A;
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| 141 | typename Interface::gene_vector B;
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| 142 | typename Interface::gene_vector X;
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| 143 |
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| 144 |
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| 145 | int _size;
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| 146 |
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| 147 | };
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| 148 |
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| 149 |
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| 150 | #endif
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| 151 |
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| 152 |
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| 153 |
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