action_symv.hh
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00001 //=====================================================
00002 // File   :  action_symv.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_SYMV
00021 #define ACTION_SYMV
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_symv {
00033 
00034 public :
00035 
00036   // Ctor
00037 
00038   BTL_DONT_INLINE Action_symv( int size ):_size(size)
00039   {
00040     MESSAGE("Action_symv Ctor");
00041 
00042     // STL matrix and vector initialization
00043     init_matrix_symm<pseudo_random>(A_stl,_size);
00044     init_vector<pseudo_random>(B_stl,_size);
00045     init_vector<null_function>(X_stl,_size);
00046     init_vector<null_function>(resu_stl,_size);
00047 
00048     // generic matrix and vector initialization
00049     Interface::matrix_from_stl(A_ref,A_stl);
00050     Interface::matrix_from_stl(A,A_stl);
00051     Interface::vector_from_stl(B_ref,B_stl);
00052     Interface::vector_from_stl(B,B_stl);
00053     Interface::vector_from_stl(X_ref,X_stl);
00054     Interface::vector_from_stl(X,X_stl);
00055 
00056   }
00057 
00058   // invalidate copy ctor
00059 
00060   Action_symv( const  Action_symv & )
00061   {
00062     INFOS("illegal call to Action_symv Copy Ctor");
00063     exit(1);
00064   }
00065 
00066   // Dtor
00067   BTL_DONT_INLINE ~Action_symv( void ){
00068     Interface::free_matrix(A,_size);
00069     Interface::free_vector(B);
00070     Interface::free_vector(X);
00071     Interface::free_matrix(A_ref,_size);
00072     Interface::free_vector(B_ref);
00073     Interface::free_vector(X_ref);
00074   }
00075 
00076   // action name
00077 
00078   static inline std::string name( void )
00079   {
00080     return "symv_" + Interface::name();
00081   }
00082 
00083   double nb_op_base( void ){
00084     return 2.0*_size*_size;
00085   }
00086 
00087   BTL_DONT_INLINE  void initialize( void ){
00088 
00089     Interface::copy_matrix(A_ref,A,_size);
00090     Interface::copy_vector(B_ref,B,_size);
00091     Interface::copy_vector(X_ref,X,_size);
00092 
00093   }
00094 
00095   BTL_DONT_INLINE void calculate( void ) {
00096       BTL_ASM_COMMENT("#begin symv");
00097       Interface::symv(A,B,X,_size);
00098       BTL_ASM_COMMENT("end symv");
00099   }
00100 
00101   BTL_DONT_INLINE void check_result( void ){
00102     if (_size>128) return;
00103     // calculation check
00104     Interface::vector_to_stl(X,resu_stl);
00105 
00106     STL_interface<typename Interface::real_type>::symv(A_stl,B_stl,X_stl,_size);
00107 
00108     typename Interface::real_type error=
00109       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
00110 
00111     if (error>1.e-5){
00112       INFOS("WRONG CALCULATION...residual=" << error);
00113       exit(0);
00114     }
00115 
00116   }
00117 
00118 private :
00119 
00120   typename Interface::stl_matrix A_stl;
00121   typename Interface::stl_vector B_stl;
00122   typename Interface::stl_vector X_stl;
00123   typename Interface::stl_vector resu_stl;
00124 
00125   typename Interface::gene_matrix A_ref;
00126   typename Interface::gene_vector B_ref;
00127   typename Interface::gene_vector X_ref;
00128 
00129   typename Interface::gene_matrix A;
00130   typename Interface::gene_vector B;
00131   typename Interface::gene_vector X;
00132 
00133 
00134   int _size;
00135 
00136 };
00137 
00138 
00139 #endif


libicr
Author(s): Robert Krug
autogenerated on Mon Jan 6 2014 11:32:28