action_atv_product.hh
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00001 //=====================================================
00002 // File   :  action_atv_product.hh
00003 // Author :  L. Plagne <laurent.plagne@edf.fr)>
00004 // Copyright (C) EDF R&D,  lun sep 30 14:23:19 CEST 2002
00005 //=====================================================
00006 //
00007 // This program is free software; you can redistribute it and/or
00008 // modify it under the terms of the GNU General Public License
00009 // as published by the Free Software Foundation; either version 2
00010 // of the License, or (at your option) any later version.
00011 //
00012 // This program is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 // You should have received a copy of the GNU General Public License
00017 // along with this program; if not, write to the Free Software
00018 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00019 //
00020 #ifndef ACTION_ATV_PRODUCT
00021 #define ACTION_ATV_PRODUCT
00022 #include "utilities.h"
00023 #include "STL_interface.hh"
00024 #include <string>
00025 #include "init/init_function.hh"
00026 #include "init/init_vector.hh"
00027 #include "init/init_matrix.hh"
00028 
00029 using namespace std;
00030 
00031 template<class Interface>
00032 class Action_atv_product {
00033 
00034 public :
00035 
00036   Action_atv_product( int size ) : _size(size)
00037   {
00038     MESSAGE("Action_atv_product Ctor");
00039 
00040     // STL matrix and vector initialization
00041 
00042     init_matrix<pseudo_random>(A_stl,_size);
00043     init_vector<pseudo_random>(B_stl,_size);
00044     init_vector<null_function>(X_stl,_size);
00045     init_vector<null_function>(resu_stl,_size);
00046 
00047     // generic matrix and vector initialization
00048 
00049     Interface::matrix_from_stl(A_ref,A_stl);
00050     Interface::vector_from_stl(B_ref,B_stl);
00051     Interface::vector_from_stl(X_ref,X_stl);
00052 
00053     Interface::matrix_from_stl(A,A_stl);
00054     Interface::vector_from_stl(B,B_stl);
00055     Interface::vector_from_stl(X,X_stl);
00056   }
00057 
00058   // invalidate copy ctor
00059   Action_atv_product( const  Action_atv_product & )
00060   {
00061     INFOS("illegal call to Action_atv_product Copy Ctor");
00062     exit(1);
00063   }
00064 
00065   ~Action_atv_product( void )
00066   {
00067     MESSAGE("Action_atv_product Dtor");
00068 
00069     Interface::free_matrix(A,_size);
00070     Interface::free_vector(B);
00071     Interface::free_vector(X);
00072 
00073     Interface::free_matrix(A_ref,_size);
00074     Interface::free_vector(B_ref);
00075     Interface::free_vector(X_ref);
00076   }
00077 
00078   static inline std::string name() { return "atv_" + Interface::name(); }
00079 
00080   double nb_op_base( void ) { return 2.0*_size*_size; }
00081 
00082   inline void initialize( void ){
00083     Interface::copy_matrix(A_ref,A,_size);
00084     Interface::copy_vector(B_ref,B,_size);
00085     Interface::copy_vector(X_ref,X,_size);
00086   }
00087 
00088   BTL_DONT_INLINE void calculate( void ) {
00089     BTL_ASM_COMMENT("begin atv");
00090     Interface::atv_product(A,B,X,_size);
00091     BTL_ASM_COMMENT("end atv");
00092   }
00093 
00094   void check_result( void )
00095   {
00096     if (_size>128) return;
00097     Interface::vector_to_stl(X,resu_stl);
00098 
00099     STL_interface<typename Interface::real_type>::atv_product(A_stl,B_stl,X_stl,_size);
00100 
00101     typename Interface::real_type error=
00102       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
00103 
00104     if (error>1.e-6){
00105       INFOS("WRONG CALCULATION...residual=" << error);
00106       exit(1);
00107     }
00108   }
00109 
00110 private :
00111 
00112   typename Interface::stl_matrix A_stl;
00113   typename Interface::stl_vector B_stl;
00114   typename Interface::stl_vector X_stl;
00115   typename Interface::stl_vector resu_stl;
00116 
00117   typename Interface::gene_matrix A_ref;
00118   typename Interface::gene_vector B_ref;
00119   typename Interface::gene_vector X_ref;
00120 
00121   typename Interface::gene_matrix A;
00122   typename Interface::gene_vector B;
00123   typename Interface::gene_vector X;
00124 
00125 
00126   int _size;
00127 
00128 };
00129 
00130 
00131 #endif
00132 
00133 
00134 


re_vision
Author(s): Dorian Galvez-Lopez
autogenerated on Sun Jan 5 2014 11:30:42