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dlma/eigen-3.4.0/bench/btl/actions/action_trisolve_matrix.hh
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action_trisolve_matrix.hh
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//=====================================================
// File : action_matrix_matrix_product.hh
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:19 CEST 2002
//=====================================================
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#ifndef ACTION_TRISOLVE_MATRIX_PRODUCT
#define ACTION_TRISOLVE_MATRIX_PRODUCT
#include "utilities.h"
#include "STL_interface.hh"
#include <string>
#include "init/init_function.hh"
#include "init/init_vector.hh"
#include "init/init_matrix.hh"
using namespace std;
template<class Interface>
class Action_trisolve_matrix {
public :
// Ctor
Action_trisolve_matrix( int size ):_size(size)
{
MESSAGE("Action_trisolve_matrix Ctor");
// STL matrix and vector initialization
init_matrix<pseudo_random>(A_stl,_size);
init_matrix<pseudo_random>(B_stl,_size);
init_matrix<null_function>(X_stl,_size);
init_matrix<null_function>(resu_stl,_size);
for (int j=0; j<_size; ++j)
{
for (int i=0; i<j; ++i)
A_stl[j][i] = 0;
A_stl[j][j] += 3;
}
// generic matrix and vector initialization
Interface::matrix_from_stl(A_ref,A_stl);
Interface::matrix_from_stl(B_ref,B_stl);
Interface::matrix_from_stl(X_ref,X_stl);
Interface::matrix_from_stl(A,A_stl);
Interface::matrix_from_stl(B,B_stl);
Interface::matrix_from_stl(X,X_stl);
_cost = 0;
for (int j=0; j<_size; ++j)
{
_cost += 2*j + 1;
}
_cost *= _size;
}
// invalidate copy ctor
Action_trisolve_matrix( const Action_trisolve_matrix & )
{
INFOS("illegal call to Action_trisolve_matrix Copy Ctor");
exit(0);
}
// Dtor
~Action_trisolve_matrix( void ){
MESSAGE("Action_trisolve_matrix Dtor");
// deallocation
Interface::free_matrix(A,_size);
Interface::free_matrix(B,_size);
Interface::free_matrix(X,_size);
Interface::free_matrix(A_ref,_size);
Interface::free_matrix(B_ref,_size);
Interface::free_matrix(X_ref,_size);
}
// action name
static inline std::string name( void )
{
return "trisolve_matrix_"+Interface::name();
}
double nb_op_base( void ){
return _cost;
}
inline void initialize( void ){
Interface::copy_matrix(A_ref,A,_size);
Interface::copy_matrix(B_ref,B,_size);
Interface::copy_matrix(X_ref,X,_size);
}
inline void calculate( void ) {
Interface::trisolve_lower_matrix(A,B,X,_size);
}
void check_result( void ){
// calculation check
// Interface::matrix_to_stl(X,resu_stl);
//
// STL_interface<typename Interface::real_type>::matrix_matrix_product(A_stl,B_stl,X_stl,_size);
//
// typename Interface::real_type error=
// STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
//
// if (error>1.e-6){
// INFOS("WRONG CALCULATION...residual=" << error);
// // exit(1);
// }
}
private :
typename Interface::stl_matrix A_stl;
typename Interface::stl_matrix B_stl;
typename Interface::stl_matrix X_stl;
typename Interface::stl_matrix resu_stl;
typename Interface::gene_matrix A_ref;
typename Interface::gene_matrix B_ref;
typename Interface::gene_matrix X_ref;
typename Interface::gene_matrix A;
typename Interface::gene_matrix B;
typename Interface::gene_matrix X;
int _size;
double _cost;
};
#endif
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