action_matrix_matrix_product.hh revision c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd
1//=====================================================
2// File   :  action_matrix_matrix_product.hh
3// Author :  L. Plagne <laurent.plagne@edf.fr)>
4// Copyright (C) EDF R&D,  lun sep 30 14:23:19 CEST 2002
5//=====================================================
6//
7// This program is free software; you can redistribute it and/or
8// modify it under the terms of the GNU General Public License
9// as published by the Free Software Foundation; either version 2
10// of the License, or (at your option) any later version.
11//
12// This program is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16// You should have received a copy of the GNU General Public License
17// along with this program; if not, write to the Free Software
18// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19//
20#ifndef ACTION_MATRIX_MATRIX_PRODUCT
21#define ACTION_MATRIX_MATRIX_PRODUCT
22#include "utilities.h"
23#include "STL_interface.hh"
24#include <string>
25#include "init/init_function.hh"
26#include "init/init_vector.hh"
27#include "init/init_matrix.hh"
28
29using namespace std;
30
31template<class Interface>
32class Action_matrix_matrix_product {
33
34public :
35
36  // Ctor
37
38  Action_matrix_matrix_product( int size ):_size(size)
39  {
40    MESSAGE("Action_matrix_matrix_product Ctor");
41
42    // STL matrix and vector initialization
43
44    init_matrix<pseudo_random>(A_stl,_size);
45    init_matrix<pseudo_random>(B_stl,_size);
46    init_matrix<null_function>(X_stl,_size);
47    init_matrix<null_function>(resu_stl,_size);
48
49    // generic matrix and vector initialization
50
51    Interface::matrix_from_stl(A_ref,A_stl);
52    Interface::matrix_from_stl(B_ref,B_stl);
53    Interface::matrix_from_stl(X_ref,X_stl);
54
55    Interface::matrix_from_stl(A,A_stl);
56    Interface::matrix_from_stl(B,B_stl);
57    Interface::matrix_from_stl(X,X_stl);
58
59  }
60
61  // invalidate copy ctor
62
63  Action_matrix_matrix_product( const  Action_matrix_matrix_product & )
64  {
65    INFOS("illegal call to Action_matrix_matrix_product Copy Ctor");
66    exit(0);
67  }
68
69  // Dtor
70
71  ~Action_matrix_matrix_product( void ){
72
73    MESSAGE("Action_matrix_matrix_product Dtor");
74
75    // deallocation
76
77    Interface::free_matrix(A,_size);
78    Interface::free_matrix(B,_size);
79    Interface::free_matrix(X,_size);
80
81    Interface::free_matrix(A_ref,_size);
82    Interface::free_matrix(B_ref,_size);
83    Interface::free_matrix(X_ref,_size);
84
85  }
86
87  // action name
88
89  static inline std::string name( void )
90  {
91    return "matrix_matrix_"+Interface::name();
92  }
93
94  double nb_op_base( void ){
95    return 2.0*_size*_size*_size;
96  }
97
98  inline void initialize( void ){
99
100    Interface::copy_matrix(A_ref,A,_size);
101    Interface::copy_matrix(B_ref,B,_size);
102    Interface::copy_matrix(X_ref,X,_size);
103
104  }
105
106  inline void calculate( void ) {
107      Interface::matrix_matrix_product(A,B,X,_size);
108  }
109
110  void check_result( void ){
111
112    // calculation check
113    if (_size<200)
114    {
115      Interface::matrix_to_stl(X,resu_stl);
116      STL_interface<typename Interface::real_type>::matrix_matrix_product(A_stl,B_stl,X_stl,_size);
117      typename Interface::real_type error=
118        STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
119      if (error>1.e-6){
120        INFOS("WRONG CALCULATION...residual=" << error);
121        exit(1);
122      }
123    }
124  }
125
126private :
127
128  typename Interface::stl_matrix A_stl;
129  typename Interface::stl_matrix B_stl;
130  typename Interface::stl_matrix X_stl;
131  typename Interface::stl_matrix resu_stl;
132
133  typename Interface::gene_matrix A_ref;
134  typename Interface::gene_matrix B_ref;
135  typename Interface::gene_matrix X_ref;
136
137  typename Interface::gene_matrix A;
138  typename Interface::gene_matrix B;
139  typename Interface::gene_matrix X;
140
141
142  int _size;
143
144};
145
146
147#endif
148
149
150
151