action_syr2.hh
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00001 //=====================================================
00002 // File   :  action_syr2.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_SYR2
00021 #define ACTION_SYR2
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_syr2 {
00033 
00034 public :
00035 
00036   // Ctor
00037 
00038   BTL_DONT_INLINE Action_syr2( int size ):_size(size)
00039   {
00040     // STL matrix and vector initialization
00041     typename Interface::stl_matrix tmp;
00042     init_matrix<pseudo_random>(A_stl,_size);
00043     init_vector<pseudo_random>(B_stl,_size);
00044     init_vector<pseudo_random>(X_stl,_size);
00045     init_vector<null_function>(resu_stl,_size);
00046 
00047     // generic matrix and vector initialization
00048     Interface::matrix_from_stl(A_ref,A_stl);
00049     Interface::matrix_from_stl(A,A_stl);
00050     Interface::vector_from_stl(B_ref,B_stl);
00051     Interface::vector_from_stl(B,B_stl);
00052     Interface::vector_from_stl(X_ref,X_stl);
00053     Interface::vector_from_stl(X,X_stl);
00054   }
00055 
00056   // invalidate copy ctor
00057   Action_syr2( const  Action_syr2 & )
00058   {
00059     INFOS("illegal call to Action_syr2 Copy Ctor");
00060     exit(1);
00061   }
00062 
00063   // Dtor
00064   BTL_DONT_INLINE ~Action_syr2( void ){
00065     Interface::free_matrix(A,_size);
00066     Interface::free_vector(B);
00067     Interface::free_vector(X);
00068     Interface::free_matrix(A_ref,_size);
00069     Interface::free_vector(B_ref);
00070     Interface::free_vector(X_ref);
00071   }
00072 
00073   // action name
00074 
00075   static inline std::string name( void )
00076   {
00077     return "syr2_" + Interface::name();
00078   }
00079 
00080   double nb_op_base( void ){
00081     return 2.0*_size*_size;
00082   }
00083 
00084   BTL_DONT_INLINE  void initialize( void ){
00085     Interface::copy_matrix(A_ref,A,_size);
00086     Interface::copy_vector(B_ref,B,_size);
00087     Interface::copy_vector(X_ref,X,_size);
00088   }
00089 
00090   BTL_DONT_INLINE void calculate( void ) {
00091       BTL_ASM_COMMENT("#begin syr2");
00092       Interface::syr2(A,B,X,_size);
00093       BTL_ASM_COMMENT("end syr2");
00094   }
00095 
00096   BTL_DONT_INLINE void check_result( void ){
00097     // calculation check
00098     Interface::vector_to_stl(X,resu_stl);
00099 
00100     STL_interface<typename Interface::real_type>::syr2(A_stl,B_stl,X_stl,_size);
00101 
00102     typename Interface::real_type error=
00103       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
00104 
00105     if (error>1.e-3){
00106       INFOS("WRONG CALCULATION...residual=" << error);
00107 //       exit(0);
00108     }
00109 
00110   }
00111 
00112 private :
00113 
00114   typename Interface::stl_matrix A_stl;
00115   typename Interface::stl_vector B_stl;
00116   typename Interface::stl_vector X_stl;
00117   typename Interface::stl_vector resu_stl;
00118 
00119   typename Interface::gene_matrix A_ref;
00120   typename Interface::gene_vector B_ref;
00121   typename Interface::gene_vector X_ref;
00122 
00123   typename Interface::gene_matrix A;
00124   typename Interface::gene_vector B;
00125   typename Interface::gene_vector X;
00126 
00127 
00128   int _size;
00129 
00130 };
00131 
00132 
00133 #endif


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