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 
29 using namespace std;
30 
31 template<class Interface>
32 class Action_matrix_matrix_product {
33 
34 public :
35 
36   // Ctor
37 
Action_matrix_matrix_product(int size)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 
Action_matrix_matrix_product(const Action_matrix_matrix_product &)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 
~Action_matrix_matrix_product(void)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 
name(void)89   static inline std::string name( void )
90   {
91     return "matrix_matrix_"+Interface::name();
92   }
93 
nb_op_base(void)94   double nb_op_base( void ){
95     return 2.0*_size*_size*_size;
96   }
97 
initialize(void)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 
calculate(void)106   inline void calculate( void ) {
107       Interface::matrix_matrix_product(A,B,X,_size);
108   }
109 
check_result(void)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 
126 private :
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