You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.3 KiB
137 lines
3.3 KiB
//=====================================================
|
|
// File : action_trisolve.hh
|
|
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
|
|
//=====================================================
|
|
//
|
|
// 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
|
|
#define ACTION_TRISOLVE
|
|
#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 {
|
|
|
|
public :
|
|
|
|
// Ctor
|
|
|
|
Action_trisolve( int size ):_size(size)
|
|
{
|
|
MESSAGE("Action_trisolve Ctor");
|
|
|
|
// STL vector initialization
|
|
init_matrix<pseudo_random>(L_stl,_size);
|
|
init_vector<pseudo_random>(B_stl,_size);
|
|
init_vector<null_function>(X_stl,_size);
|
|
for (int j=0; j<_size; ++j)
|
|
{
|
|
for (int i=0; i<j; ++i)
|
|
L_stl[j][i] = 0;
|
|
L_stl[j][j] += 3;
|
|
}
|
|
|
|
init_vector<null_function>(resu_stl,_size);
|
|
|
|
// generic matrix and vector initialization
|
|
Interface::matrix_from_stl(L,L_stl);
|
|
Interface::vector_from_stl(X,X_stl);
|
|
Interface::vector_from_stl(B,B_stl);
|
|
|
|
_cost = 0;
|
|
for (int j=0; j<_size; ++j)
|
|
{
|
|
_cost += 2*j + 1;
|
|
}
|
|
}
|
|
|
|
// invalidate copy ctor
|
|
|
|
Action_trisolve( const Action_trisolve & )
|
|
{
|
|
INFOS("illegal call to Action_trisolve Copy Ctor");
|
|
exit(1);
|
|
}
|
|
|
|
// Dtor
|
|
|
|
~Action_trisolve( void ){
|
|
|
|
MESSAGE("Action_trisolve Dtor");
|
|
|
|
// deallocation
|
|
Interface::free_matrix(L,_size);
|
|
Interface::free_vector(B);
|
|
Interface::free_vector(X);
|
|
}
|
|
|
|
// action name
|
|
|
|
static inline std::string name( void )
|
|
{
|
|
return "trisolve_vector_"+Interface::name();
|
|
}
|
|
|
|
double nb_op_base( void ){
|
|
return _cost;
|
|
}
|
|
|
|
inline void initialize( void ){
|
|
//Interface::copy_vector(X_ref,X,_size);
|
|
}
|
|
|
|
inline void calculate( void ) {
|
|
Interface::trisolve_lower(L,B,X,_size);
|
|
}
|
|
|
|
void check_result(){
|
|
if (_size>128) return;
|
|
// calculation check
|
|
Interface::vector_to_stl(X,resu_stl);
|
|
|
|
STL_interface<typename Interface::real_type>::trisolve_lower(L_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-4){
|
|
INFOS("WRONG CALCULATION...residual=" << error);
|
|
exit(2);
|
|
} //else INFOS("CALCULATION OK...residual=" << error);
|
|
|
|
}
|
|
|
|
private :
|
|
|
|
typename Interface::stl_matrix L_stl;
|
|
typename Interface::stl_vector X_stl;
|
|
typename Interface::stl_vector B_stl;
|
|
typename Interface::stl_vector resu_stl;
|
|
|
|
typename Interface::gene_matrix L;
|
|
typename Interface::gene_vector X;
|
|
typename Interface::gene_vector B;
|
|
|
|
int _size;
|
|
double _cost;
|
|
};
|
|
|
|
#endif
|