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