1 //=====================================================
2 // File   :  action_ata_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_ATA_PRODUCT
21 #define ACTION_ATA_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_ata_product {
33 
34 public :
35 
36   // Ctor
37 
Action_ata_product(int size)38   Action_ata_product( int size ):_size(size)
39   {
40     MESSAGE("Action_ata_product Ctor");
41 
42     // STL matrix and vector initialization
43 
44     init_matrix<pseudo_random>(A_stl,_size);
45     init_matrix<null_function>(X_stl,_size);
46     init_matrix<null_function>(resu_stl,_size);
47 
48     // generic matrix and vector initialization
49 
50     Interface::matrix_from_stl(A_ref,A_stl);
51     Interface::matrix_from_stl(X_ref,X_stl);
52 
53     Interface::matrix_from_stl(A,A_stl);
54     Interface::matrix_from_stl(X,X_stl);
55 
56   }
57 
58   // invalidate copy ctor
59 
Action_ata_product(const Action_ata_product &)60   Action_ata_product( const  Action_ata_product & )
61   {
62     INFOS("illegal call to Action_ata_product Copy Ctor");
63     exit(0);
64   }
65 
66   // Dtor
67 
~Action_ata_product(void)68   ~Action_ata_product( void ){
69 
70     MESSAGE("Action_ata_product Dtor");
71 
72     // deallocation
73 
74     Interface::free_matrix(A,_size);
75     Interface::free_matrix(X,_size);
76 
77     Interface::free_matrix(A_ref,_size);
78     Interface::free_matrix(X_ref,_size);
79 
80   }
81 
82   // action name
83 
name(void)84   static inline std::string name( void )
85   {
86     return "ata_"+Interface::name();
87   }
88 
nb_op_base(void)89   double nb_op_base( void ){
90     return 2.0*_size*_size*_size;
91   }
92 
initialize(void)93   inline void initialize( void ){
94 
95     Interface::copy_matrix(A_ref,A,_size);
96     Interface::copy_matrix(X_ref,X,_size);
97 
98   }
99 
calculate(void)100   inline void calculate( void ) {
101 
102       Interface::ata_product(A,X,_size);
103 
104   }
105 
check_result(void)106   void check_result( void ){
107     if (_size>128) return;
108     // calculation check
109 
110     Interface::matrix_to_stl(X,resu_stl);
111 
112     STL_interface<typename Interface::real_type>::ata_product(A_stl,X_stl,_size);
113 
114     typename Interface::real_type error=
115       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
116 
117     if (error>1.e-6){
118       INFOS("WRONG CALCULATION...residual=" << error);
119       exit(1);
120     }
121 
122   }
123 
124 private :
125 
126   typename Interface::stl_matrix A_stl;
127   typename Interface::stl_matrix X_stl;
128   typename Interface::stl_matrix resu_stl;
129 
130   typename Interface::gene_matrix A_ref;
131   typename Interface::gene_matrix X_ref;
132 
133   typename Interface::gene_matrix A;
134   typename Interface::gene_matrix X;
135 
136 
137   int _size;
138 
139 };
140 
141 
142 #endif
143 
144 
145 
146