1 //===================================================== 2 // File : action_lu_decomp.hh 3 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud (at) inria.fr> 4 //===================================================== 5 // 6 // This program is free software; you can redistribute it and/or 7 // modify it under the terms of the GNU General Public License 8 // as published by the Free Software Foundation; either version 2 9 // of the License, or (at your option) any later version. 10 // 11 // This program is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 // You should have received a copy of the GNU General Public License 16 // along with this program; if not, write to the Free Software 17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 // 19 #ifndef ACTION_LU_DECOMP 20 #define ACTION_LU_DECOMP 21 #include "utilities.h" 22 #include "STL_interface.hh" 23 #include <string> 24 #include "init/init_function.hh" 25 #include "init/init_vector.hh" 26 #include "init/init_matrix.hh" 27 28 using namespace std; 29 30 template<class Interface> 31 class Action_lu_decomp { 32 33 public : 34 35 // Ctor 36 37 Action_lu_decomp( int size ):_size(size) 38 { 39 MESSAGE("Action_lu_decomp Ctor"); 40 41 // STL vector initialization 42 init_matrix<pseudo_random>(X_stl,_size); 43 44 init_matrix<null_function>(C_stl,_size); 45 init_matrix<null_function>(resu_stl,_size); 46 47 // generic matrix and vector initialization 48 Interface::matrix_from_stl(X_ref,X_stl); 49 Interface::matrix_from_stl(X,X_stl); 50 Interface::matrix_from_stl(C,C_stl); 51 52 _cost = 2.0*size*size*size/3.0 + size*size; 53 } 54 55 // invalidate copy ctor 56 57 Action_lu_decomp( const Action_lu_decomp & ) 58 { 59 INFOS("illegal call to Action_lu_decomp Copy Ctor"); 60 exit(1); 61 } 62 63 // Dtor 64 65 ~Action_lu_decomp( void ){ 66 67 MESSAGE("Action_lu_decomp Dtor"); 68 69 // deallocation 70 Interface::free_matrix(X_ref,_size); 71 Interface::free_matrix(X,_size); 72 Interface::free_matrix(C,_size); 73 } 74 75 // action name 76 77 static inline std::string name( void ) 78 { 79 return "complete_lu_decomp_"+Interface::name(); 80 } 81 82 double nb_op_base( void ){ 83 return _cost; 84 } 85 86 inline void initialize( void ){ 87 Interface::copy_matrix(X_ref,X,_size); 88 } 89 90 inline void calculate( void ) { 91 Interface::lu_decomp(X,C,_size); 92 } 93 94 void check_result( void ){ 95 // calculation check 96 Interface::matrix_to_stl(C,resu_stl); 97 98 // STL_interface<typename Interface::real_type>::lu_decomp(X_stl,C_stl,_size); 99 // 100 // typename Interface::real_type error= 101 // STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl); 102 // 103 // if (error>1.e-6){ 104 // INFOS("WRONG CALCULATION...residual=" << error); 105 // exit(0); 106 // } 107 108 } 109 110 private : 111 112 typename Interface::stl_matrix X_stl; 113 typename Interface::stl_matrix C_stl; 114 typename Interface::stl_matrix resu_stl; 115 116 typename Interface::gene_matrix X_ref; 117 typename Interface::gene_matrix X; 118 typename Interface::gene_matrix C; 119 120 int _size; 121 double _cost; 122 }; 123 124 #endif 125
