1 | //=====================================================
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2 | // File : action_symv.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_SYMV
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21 | #define ACTION_SYMV
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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_symv {
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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_symv( int size ):_size(size)
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39 | {
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40 | MESSAGE("Action_symv Ctor");
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41 |
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42 | // STL matrix and vector initialization
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43 | init_matrix_symm<pseudo_random>(A_stl,_size);
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44 | init_vector<pseudo_random>(B_stl,_size);
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45 | init_vector<null_function>(X_stl,_size);
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46 | init_vector<null_function>(resu_stl,_size);
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47 |
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48 | // generic matrix and vector initialization
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49 | Interface::matrix_from_stl(A_ref,A_stl);
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50 | Interface::matrix_from_stl(A,A_stl);
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51 | Interface::vector_from_stl(B_ref,B_stl);
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52 | Interface::vector_from_stl(B,B_stl);
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53 | Interface::vector_from_stl(X_ref,X_stl);
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54 | Interface::vector_from_stl(X,X_stl);
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55 |
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56 | }
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57 |
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58 | // invalidate copy ctor
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59 |
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60 | Action_symv( const Action_symv & )
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61 | {
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62 | INFOS("illegal call to Action_symv Copy Ctor");
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63 | exit(1);
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64 | }
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65 |
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66 | // Dtor
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67 | BTL_DONT_INLINE ~Action_symv( void ){
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68 | Interface::free_matrix(A,_size);
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69 | Interface::free_vector(B);
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70 | Interface::free_vector(X);
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71 | Interface::free_matrix(A_ref,_size);
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72 | Interface::free_vector(B_ref);
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73 | Interface::free_vector(X_ref);
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74 | }
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75 |
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76 | // action name
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77 |
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78 | static inline std::string name( void )
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79 | {
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80 | return "symv_" + Interface::name();
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81 | }
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82 |
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83 | double nb_op_base( void ){
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84 | return 2.0*_size*_size;
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85 | }
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86 |
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87 | BTL_DONT_INLINE void initialize( void ){
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88 |
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89 | Interface::copy_matrix(A_ref,A,_size);
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90 | Interface::copy_vector(B_ref,B,_size);
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91 | Interface::copy_vector(X_ref,X,_size);
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92 |
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93 | }
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94 |
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95 | BTL_DONT_INLINE void calculate( void ) {
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96 | BTL_ASM_COMMENT("#begin symv");
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97 | Interface::symv(A,B,X,_size);
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98 | BTL_ASM_COMMENT("end symv");
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99 | }
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100 |
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101 | BTL_DONT_INLINE void check_result( void ){
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102 | if (_size>128) return;
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103 | // calculation check
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104 | Interface::vector_to_stl(X,resu_stl);
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105 |
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106 | STL_interface<typename Interface::real_type>::symv(A_stl,B_stl,X_stl,_size);
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107 |
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108 | typename Interface::real_type error=
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109 | STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
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110 |
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111 | if (error>1.e-5){
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112 | INFOS("WRONG CALCULATION...residual=" << error);
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113 | exit(0);
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114 | }
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115 |
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116 | }
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117 |
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118 | private :
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119 |
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120 | typename Interface::stl_matrix A_stl;
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121 | typename Interface::stl_vector B_stl;
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122 | typename Interface::stl_vector X_stl;
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123 | typename Interface::stl_vector resu_stl;
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124 |
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125 | typename Interface::gene_matrix A_ref;
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126 | typename Interface::gene_vector B_ref;
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127 | typename Interface::gene_vector X_ref;
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128 |
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129 | typename Interface::gene_matrix A;
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130 | typename Interface::gene_vector B;
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131 | typename Interface::gene_vector X;
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132 |
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133 |
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134 | int _size;
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135 |
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136 | };
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137 |
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138 |
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139 | #endif
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