mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-15 07:10:37 +08:00
166 lines
4.0 KiB
C++
166 lines
4.0 KiB
C++
//=====================================================
|
|
// 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
|
|
|
|
|
|
|