[136] | 1 | //=====================================================
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| 2 | // File : action_hessenberg.hh
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| 3 | // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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| 4 | //=====================================================
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| 5 | //
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| 6 | // This program is free software; you can redistribute it and/or
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| 7 | // modify it under the terms of the GNU General Public License
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| 8 | // as published by the Free Software Foundation; either version 2
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| 9 | // of the License, or (at your option) any later version.
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| 10 | //
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| 11 | // This program is distributed in the hope that it will be useful,
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| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | // GNU General Public License for more details.
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| 15 | // You should have received a copy of the GNU General Public License
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| 16 | // along with this program; if not, write to the Free Software
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| 17 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 18 | //
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| 19 | #ifndef ACTION_HESSENBERG
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| 20 | #define ACTION_HESSENBERG
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| 21 | #include "utilities.h"
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| 22 | #include "STL_interface.hh"
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| 23 | #include <string>
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| 24 | #include "init/init_function.hh"
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| 25 | #include "init/init_vector.hh"
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| 26 | #include "init/init_matrix.hh"
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| 27 |
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| 28 | using namespace std;
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| 29 |
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| 30 | template<class Interface>
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| 31 | class Action_hessenberg {
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| 32 |
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| 33 | public :
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| 34 |
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| 35 | // Ctor
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| 36 |
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| 37 | Action_hessenberg( int size ):_size(size)
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| 38 | {
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| 39 | MESSAGE("Action_hessenberg Ctor");
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| 40 |
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| 41 | // STL vector initialization
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| 42 | init_matrix<pseudo_random>(X_stl,_size);
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| 43 |
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| 44 | init_matrix<null_function>(C_stl,_size);
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| 45 | init_matrix<null_function>(resu_stl,_size);
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| 46 |
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| 47 | // generic matrix and vector initialization
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| 48 | Interface::matrix_from_stl(X_ref,X_stl);
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| 49 | Interface::matrix_from_stl(X,X_stl);
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| 50 | Interface::matrix_from_stl(C,C_stl);
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| 51 |
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| 52 | _cost = 0;
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| 53 | for (int j=0; j<_size-2; ++j)
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| 54 | {
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| 55 | double r = std::max(0,_size-j-1);
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| 56 | double b = std::max(0,_size-j-2);
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| 57 | _cost += 6 + 3*b + r*r*4 + r*_size*4;
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | // invalidate copy ctor
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| 62 |
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| 63 | Action_hessenberg( const Action_hessenberg & )
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| 64 | {
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| 65 | INFOS("illegal call to Action_hessenberg Copy Ctor");
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| 66 | exit(1);
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| 67 | }
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| 68 |
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| 69 | // Dtor
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| 70 |
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| 71 | ~Action_hessenberg( void ){
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| 72 |
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| 73 | MESSAGE("Action_hessenberg Dtor");
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| 74 |
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| 75 | // deallocation
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| 76 | Interface::free_matrix(X_ref,_size);
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| 77 | Interface::free_matrix(X,_size);
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| 78 | Interface::free_matrix(C,_size);
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| 79 | }
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| 80 |
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| 81 | // action name
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| 82 |
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| 83 | static inline std::string name( void )
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| 84 | {
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| 85 | return "hessenberg_"+Interface::name();
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| 86 | }
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| 87 |
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| 88 | double nb_op_base( void ){
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| 89 | return _cost;
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| 90 | }
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| 91 |
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| 92 | inline void initialize( void ){
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| 93 | Interface::copy_matrix(X_ref,X,_size);
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| 94 | }
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| 95 |
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| 96 | inline void calculate( void ) {
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| 97 | Interface::hessenberg(X,C,_size);
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| 98 | }
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| 99 |
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| 100 | void check_result( void ){
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| 101 | // calculation check
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| 102 | Interface::matrix_to_stl(C,resu_stl);
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| 103 |
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| 104 | // STL_interface<typename Interface::real_type>::hessenberg(X_stl,C_stl,_size);
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| 105 | //
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| 106 | // typename Interface::real_type error=
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| 107 | // STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl);
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| 108 | //
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| 109 | // if (error>1.e-6){
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| 110 | // INFOS("WRONG CALCULATION...residual=" << error);
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| 111 | // exit(0);
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| 112 | // }
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| 113 |
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| 114 | }
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| 115 |
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| 116 | private :
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| 117 |
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| 118 | typename Interface::stl_matrix X_stl;
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| 119 | typename Interface::stl_matrix C_stl;
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| 120 | typename Interface::stl_matrix resu_stl;
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| 121 |
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| 122 | typename Interface::gene_matrix X_ref;
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| 123 | typename Interface::gene_matrix X;
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| 124 | typename Interface::gene_matrix C;
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| 125 |
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| 126 | int _size;
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| 127 | double _cost;
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| 128 | };
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| 129 |
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| 130 | template<class Interface>
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| 131 | class Action_tridiagonalization {
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| 132 |
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| 133 | public :
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| 134 |
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| 135 | // Ctor
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| 136 |
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| 137 | Action_tridiagonalization( int size ):_size(size)
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| 138 | {
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| 139 | MESSAGE("Action_tridiagonalization Ctor");
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| 140 |
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| 141 | // STL vector initialization
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| 142 | init_matrix<pseudo_random>(X_stl,_size);
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| 143 |
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| 144 | for(int i=0; i<_size; ++i)
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| 145 | {
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| 146 | for(int j=0; j<i; ++j)
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| 147 | X_stl[i][j] = X_stl[j][i];
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| 148 | }
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| 149 |
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| 150 | init_matrix<null_function>(C_stl,_size);
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| 151 | init_matrix<null_function>(resu_stl,_size);
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| 152 |
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| 153 | // generic matrix and vector initialization
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| 154 | Interface::matrix_from_stl(X_ref,X_stl);
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| 155 | Interface::matrix_from_stl(X,X_stl);
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| 156 | Interface::matrix_from_stl(C,C_stl);
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| 157 |
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| 158 | _cost = 0;
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| 159 | for (int j=0; j<_size-2; ++j)
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| 160 | {
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| 161 | double r = std::max(0,_size-j-1);
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| 162 | double b = std::max(0,_size-j-2);
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| 163 | _cost += 6. + 3.*b + r*r*8.;
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| 164 | }
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| 165 | }
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| 166 |
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| 167 | // invalidate copy ctor
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| 168 |
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| 169 | Action_tridiagonalization( const Action_tridiagonalization & )
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| 170 | {
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| 171 | INFOS("illegal call to Action_tridiagonalization Copy Ctor");
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| 172 | exit(1);
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| 173 | }
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| 174 |
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| 175 | // Dtor
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| 176 |
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| 177 | ~Action_tridiagonalization( void ){
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| 178 |
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| 179 | MESSAGE("Action_tridiagonalization Dtor");
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| 180 |
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| 181 | // deallocation
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| 182 | Interface::free_matrix(X_ref,_size);
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| 183 | Interface::free_matrix(X,_size);
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| 184 | Interface::free_matrix(C,_size);
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| 185 | }
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| 186 |
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| 187 | // action name
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| 188 |
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| 189 | static inline std::string name( void ) { return "tridiagonalization_"+Interface::name(); }
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| 190 |
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| 191 | double nb_op_base( void ){
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| 192 | return _cost;
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| 193 | }
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| 194 |
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| 195 | inline void initialize( void ){
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| 196 | Interface::copy_matrix(X_ref,X,_size);
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| 197 | }
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| 198 |
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| 199 | inline void calculate( void ) {
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| 200 | Interface::tridiagonalization(X,C,_size);
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| 201 | }
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| 202 |
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| 203 | void check_result( void ){
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| 204 | // calculation check
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| 205 | Interface::matrix_to_stl(C,resu_stl);
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| 206 |
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| 207 | // STL_interface<typename Interface::real_type>::tridiagonalization(X_stl,C_stl,_size);
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| 208 | //
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| 209 | // typename Interface::real_type error=
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| 210 | // STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl);
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| 211 | //
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| 212 | // if (error>1.e-6){
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| 213 | // INFOS("WRONG CALCULATION...residual=" << error);
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| 214 | // exit(0);
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| 215 | // }
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| 216 |
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| 217 | }
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| 218 |
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| 219 | private :
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| 220 |
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| 221 | typename Interface::stl_matrix X_stl;
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| 222 | typename Interface::stl_matrix C_stl;
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| 223 | typename Interface::stl_matrix resu_stl;
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| 224 |
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| 225 | typename Interface::gene_matrix X_ref;
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| 226 | typename Interface::gene_matrix X;
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| 227 | typename Interface::gene_matrix C;
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| 228 |
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| 229 | int _size;
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| 230 | double _cost;
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| 231 | };
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| 232 |
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| 233 | #endif
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