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      1 //=====================================================
      2 // File   :  action_matrix_matrix_product.hh
      3 // Author :  L. Plagne <laurent.plagne (at) 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_MATRIX_PRODUCT
     21 #define ACTION_MATRIX_MATRIX_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_matrix_product {
     33 
     34 public :
     35 
     36   // Ctor
     37 
     38   Action_matrix_matrix_product( int size ):_size(size)
     39   {
     40     MESSAGE("Action_matrix_matrix_product Ctor");
     41 
     42     // STL matrix and vector initialization
     43 
     44     init_matrix<pseudo_random>(A_stl,_size);
     45     init_matrix<pseudo_random>(B_stl,_size);
     46     init_matrix<null_function>(X_stl,_size);
     47     init_matrix<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(B_ref,B_stl);
     53     Interface::matrix_from_stl(X_ref,X_stl);
     54 
     55     Interface::matrix_from_stl(A,A_stl);
     56     Interface::matrix_from_stl(B,B_stl);
     57     Interface::matrix_from_stl(X,X_stl);
     58 
     59   }
     60 
     61   // invalidate copy ctor
     62 
     63   Action_matrix_matrix_product( const  Action_matrix_matrix_product & )
     64   {
     65     INFOS("illegal call to Action_matrix_matrix_product Copy Ctor");
     66     exit(0);
     67   }
     68 
     69   // Dtor
     70 
     71   ~Action_matrix_matrix_product( void ){
     72 
     73     MESSAGE("Action_matrix_matrix_product Dtor");
     74 
     75     // deallocation
     76 
     77     Interface::free_matrix(A,_size);
     78     Interface::free_matrix(B,_size);
     79     Interface::free_matrix(X,_size);
     80 
     81     Interface::free_matrix(A_ref,_size);
     82     Interface::free_matrix(B_ref,_size);
     83     Interface::free_matrix(X_ref,_size);
     84 
     85   }
     86 
     87   // action name
     88 
     89   static inline std::string name( void )
     90   {
     91     return "matrix_matrix_"+Interface::name();
     92   }
     93 
     94   double nb_op_base( void ){
     95     return 2.0*_size*_size*_size;
     96   }
     97 
     98   inline void initialize( void ){
     99 
    100     Interface::copy_matrix(A_ref,A,_size);
    101     Interface::copy_matrix(B_ref,B,_size);
    102     Interface::copy_matrix(X_ref,X,_size);
    103 
    104   }
    105 
    106   inline void calculate( void ) {
    107       Interface::matrix_matrix_product(A,B,X,_size);
    108   }
    109 
    110   void check_result( void ){
    111 
    112     // calculation check
    113     if (_size<200)
    114     {
    115       Interface::matrix_to_stl(X,resu_stl);
    116       STL_interface<typename Interface::real_type>::matrix_matrix_product(A_stl,B_stl,X_stl,_size);
    117       typename Interface::real_type error=
    118         STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
    119       if (error>1.e-6){
    120         INFOS("WRONG CALCULATION...residual=" << error);
    121         exit(1);
    122       }
    123     }
    124   }
    125 
    126 private :
    127 
    128   typename Interface::stl_matrix A_stl;
    129   typename Interface::stl_matrix B_stl;
    130   typename Interface::stl_matrix X_stl;
    131   typename Interface::stl_matrix resu_stl;
    132 
    133   typename Interface::gene_matrix A_ref;
    134   typename Interface::gene_matrix B_ref;
    135   typename Interface::gene_matrix X_ref;
    136 
    137   typename Interface::gene_matrix A;
    138   typename Interface::gene_matrix B;
    139   typename Interface::gene_matrix X;
    140 
    141 
    142   int _size;
    143 
    144 };
    145 
    146 
    147 #endif
    148 
    149 
    150 
    151