1 //===================================================== 2 // File : action_matrix_vector_product.hh 3 // Author : L. Plagne <laurent.plagne@edf.fr)> 4 // Copyright (C) EDF R&D, lun sep 30 14:23:19 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 ACTION_MATRIX_VECTOR_PRODUCT 21 #define ACTION_MATRIX_VECTOR_PRODUCT 22 #include "utilities.h" 23 #include "STL_interface.hh" 24 #include <string> 25 #include "init/init_function.hh" 26 #include "init/init_vector.hh" 27 #include "init/init_matrix.hh" 28 29 using namespace std; 30 31 template<class Interface> 32 class Action_matrix_vector_product { 33 34 public : 35 36 // Ctor 37 Action_matrix_vector_product(int size)38 BTL_DONT_INLINE Action_matrix_vector_product( int size ):_size(size) 39 { 40 MESSAGE("Action_matrix_vector_product Ctor"); 41 42 // STL matrix and vector initialization 43 44 init_matrix<pseudo_random>(A_stl,_size); 45 init_vector<pseudo_random>(B_stl,_size); 46 init_vector<null_function>(X_stl,_size); 47 init_vector<null_function>(resu_stl,_size); 48 49 // generic matrix and vector initialization 50 51 Interface::matrix_from_stl(A_ref,A_stl); 52 Interface::matrix_from_stl(A,A_stl); 53 Interface::vector_from_stl(B_ref,B_stl); 54 Interface::vector_from_stl(B,B_stl); 55 Interface::vector_from_stl(X_ref,X_stl); 56 Interface::vector_from_stl(X,X_stl); 57 58 } 59 60 // invalidate copy ctor 61 Action_matrix_vector_product(const Action_matrix_vector_product &)62 Action_matrix_vector_product( const Action_matrix_vector_product & ) 63 { 64 INFOS("illegal call to Action_matrix_vector_product Copy Ctor"); 65 exit(1); 66 } 67 68 // Dtor 69 ~Action_matrix_vector_product(void)70 BTL_DONT_INLINE ~Action_matrix_vector_product( void ){ 71 72 MESSAGE("Action_matrix_vector_product Dtor"); 73 74 // deallocation 75 76 Interface::free_matrix(A,_size); 77 Interface::free_vector(B); 78 Interface::free_vector(X); 79 80 Interface::free_matrix(A_ref,_size); 81 Interface::free_vector(B_ref); 82 Interface::free_vector(X_ref); 83 84 } 85 86 // action name 87 name(void)88 static inline std::string name( void ) 89 { 90 return "matrix_vector_" + Interface::name(); 91 } 92 nb_op_base(void)93 double nb_op_base( void ){ 94 return 2.0*_size*_size; 95 } 96 initialize(void)97 BTL_DONT_INLINE void initialize( void ){ 98 99 Interface::copy_matrix(A_ref,A,_size); 100 Interface::copy_vector(B_ref,B,_size); 101 Interface::copy_vector(X_ref,X,_size); 102 103 } 104 calculate(void)105 BTL_DONT_INLINE void calculate( void ) { 106 BTL_ASM_COMMENT("#begin matrix_vector_product"); 107 Interface::matrix_vector_product(A,B,X,_size); 108 BTL_ASM_COMMENT("end matrix_vector_product"); 109 } 110 check_result(void)111 BTL_DONT_INLINE void check_result( void ){ 112 113 // calculation check 114 115 Interface::vector_to_stl(X,resu_stl); 116 117 STL_interface<typename Interface::real_type>::matrix_vector_product(A_stl,B_stl,X_stl,_size); 118 119 typename Interface::real_type error= 120 STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl); 121 122 if (error>1.e-5){ 123 INFOS("WRONG CALCULATION...residual=" << error); 124 exit(0); 125 } 126 127 } 128 129 private : 130 131 typename Interface::stl_matrix A_stl; 132 typename Interface::stl_vector B_stl; 133 typename Interface::stl_vector X_stl; 134 typename Interface::stl_vector resu_stl; 135 136 typename Interface::gene_matrix A_ref; 137 typename Interface::gene_vector B_ref; 138 typename Interface::gene_vector X_ref; 139 140 typename Interface::gene_matrix A; 141 typename Interface::gene_vector B; 142 typename Interface::gene_vector X; 143 144 145 int _size; 146 147 }; 148 149 150 #endif 151 152 153 154