134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
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//=====================================================
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// File : action_syr2.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_SYR2
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#define ACTION_SYR2
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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_syr2 {
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public :
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// Ctor
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BTL_DONT_INLINE Action_syr2( int size ):_size(size)
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{
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// STL matrix and vector initialization
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typename Interface::stl_matrix tmp;
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init_matrix<pseudo_random>(A_stl,_size);
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init_vector<pseudo_random>(B_stl,_size);
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init_vector<pseudo_random>(X_stl,_size);
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init_vector<null_function>(resu_stl,_size);
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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(A,A_stl);
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Interface::vector_from_stl(B_ref,B_stl);
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Interface::vector_from_stl(B,B_stl);
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Interface::vector_from_stl(X_ref,X_stl);
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Interface::vector_from_stl(X,X_stl);
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}
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// invalidate copy ctor
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Action_syr2( const Action_syr2 & )
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{
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INFOS("illegal call to Action_syr2 Copy Ctor");
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exit(1);
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}
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// Dtor
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BTL_DONT_INLINE ~Action_syr2( void ){
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Interface::free_matrix(A,_size);
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Interface::free_vector(B);
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Interface::free_vector(X);
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Interface::free_matrix(A_ref,_size);
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Interface::free_vector(B_ref);
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Interface::free_vector(X_ref);
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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 "syr2_" + Interface::name();
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}
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double nb_op_base( void ){
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return 2.0*_size*_size;
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}
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BTL_DONT_INLINE void initialize( void ){
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Interface::copy_matrix(A_ref,A,_size);
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Interface::copy_vector(B_ref,B,_size);
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Interface::copy_vector(X_ref,X,_size);
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}
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BTL_DONT_INLINE void calculate( void ) {
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BTL_ASM_COMMENT("#begin syr2");
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Interface::syr2(A,B,X,_size);
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BTL_ASM_COMMENT("end syr2");
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}
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BTL_DONT_INLINE void check_result( void ){
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// calculation check
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Interface::vector_to_stl(X,resu_stl);
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STL_interface<typename Interface::real_type>::syr2(A_stl,B_stl,X_stl,_size);
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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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if (error>1.e-3){
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INFOS("WRONG CALCULATION...residual=" << error);
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// exit(0);
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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_vector B_stl;
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typename Interface::stl_vector X_stl;
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typename Interface::stl_vector resu_stl;
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typename Interface::gene_matrix A_ref;
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typename Interface::gene_vector B_ref;
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typename Interface::gene_vector X_ref;
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typename Interface::gene_matrix A;
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typename Interface::gene_vector B;
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typename Interface::gene_vector X;
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int _size;
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};
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#endif
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