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      1 //=====================================================
      2 // File   :  action_atv_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_ATV_PRODUCT
     21 #define ACTION_ATV_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_atv_product {
     33 
     34 public :
     35 
     36   Action_atv_product( int size ) : _size(size)
     37   {
     38     MESSAGE("Action_atv_product Ctor");
     39 
     40     // STL matrix and vector initialization
     41 
     42     init_matrix<pseudo_random>(A_stl,_size);
     43     init_vector<pseudo_random>(B_stl,_size);
     44     init_vector<null_function>(X_stl,_size);
     45     init_vector<null_function>(resu_stl,_size);
     46 
     47     // generic matrix and vector initialization
     48 
     49     Interface::matrix_from_stl(A_ref,A_stl);
     50     Interface::vector_from_stl(B_ref,B_stl);
     51     Interface::vector_from_stl(X_ref,X_stl);
     52 
     53     Interface::matrix_from_stl(A,A_stl);
     54     Interface::vector_from_stl(B,B_stl);
     55     Interface::vector_from_stl(X,X_stl);
     56   }
     57 
     58   // invalidate copy ctor
     59   Action_atv_product( const  Action_atv_product & )
     60   {
     61     INFOS("illegal call to Action_atv_product Copy Ctor");
     62     exit(1);
     63   }
     64 
     65   ~Action_atv_product( void )
     66   {
     67     MESSAGE("Action_atv_product Dtor");
     68 
     69     Interface::free_matrix(A,_size);
     70     Interface::free_vector(B);
     71     Interface::free_vector(X);
     72 
     73     Interface::free_matrix(A_ref,_size);
     74     Interface::free_vector(B_ref);
     75     Interface::free_vector(X_ref);
     76   }
     77 
     78   static inline std::string name() { return "atv_" + Interface::name(); }
     79 
     80   double nb_op_base( void ) { return 2.0*_size*_size; }
     81 
     82   inline void initialize( void ){
     83     Interface::copy_matrix(A_ref,A,_size);
     84     Interface::copy_vector(B_ref,B,_size);
     85     Interface::copy_vector(X_ref,X,_size);
     86   }
     87 
     88   BTL_DONT_INLINE void calculate( void ) {
     89     BTL_ASM_COMMENT("begin atv");
     90     Interface::atv_product(A,B,X,_size);
     91     BTL_ASM_COMMENT("end atv");
     92   }
     93 
     94   void check_result( void )
     95   {
     96     if (_size>128) return;
     97     Interface::vector_to_stl(X,resu_stl);
     98 
     99     STL_interface<typename Interface::real_type>::atv_product(A_stl,B_stl,X_stl,_size);
    100 
    101     typename Interface::real_type error=
    102       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
    103 
    104     if (error>1.e-6){
    105       INFOS("WRONG CALCULATION...residual=" << error);
    106       exit(1);
    107     }
    108   }
    109 
    110 private :
    111 
    112   typename Interface::stl_matrix A_stl;
    113   typename Interface::stl_vector B_stl;
    114   typename Interface::stl_vector X_stl;
    115   typename Interface::stl_vector resu_stl;
    116 
    117   typename Interface::gene_matrix A_ref;
    118   typename Interface::gene_vector B_ref;
    119   typename Interface::gene_vector X_ref;
    120 
    121   typename Interface::gene_matrix A;
    122   typename Interface::gene_vector B;
    123   typename Interface::gene_vector X;
    124 
    125 
    126   int _size;
    127 
    128 };
    129 
    130 
    131 #endif
    132 
    133 
    134 
    135