1//=====================================================
2// File   :  action_syr2.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_SYR2
21#define ACTION_SYR2
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_syr2 {
33
34public :
35
36  // Ctor
37
38  BTL_DONT_INLINE Action_syr2( int size ):_size(size)
39  {
40    // STL matrix and vector initialization
41    typename Interface::stl_matrix tmp;
42    init_matrix<pseudo_random>(A_stl,_size);
43    init_vector<pseudo_random>(B_stl,_size);
44    init_vector<pseudo_random>(X_stl,_size);
45    init_vector<null_function>(resu_stl,_size);
46
47    // generic matrix and vector initialization
48    Interface::matrix_from_stl(A_ref,A_stl);
49    Interface::matrix_from_stl(A,A_stl);
50    Interface::vector_from_stl(B_ref,B_stl);
51    Interface::vector_from_stl(B,B_stl);
52    Interface::vector_from_stl(X_ref,X_stl);
53    Interface::vector_from_stl(X,X_stl);
54  }
55
56  // invalidate copy ctor
57  Action_syr2( const  Action_syr2 & )
58  {
59    INFOS("illegal call to Action_syr2 Copy Ctor");
60    exit(1);
61  }
62
63  // Dtor
64  BTL_DONT_INLINE ~Action_syr2( void ){
65    Interface::free_matrix(A,_size);
66    Interface::free_vector(B);
67    Interface::free_vector(X);
68    Interface::free_matrix(A_ref,_size);
69    Interface::free_vector(B_ref);
70    Interface::free_vector(X_ref);
71  }
72
73  // action name
74
75  static inline std::string name( void )
76  {
77    return "syr2_" + Interface::name();
78  }
79
80  double nb_op_base( void ){
81    return 2.0*_size*_size;
82  }
83
84  BTL_DONT_INLINE  void initialize( void ){
85    Interface::copy_matrix(A_ref,A,_size);
86    Interface::copy_vector(B_ref,B,_size);
87    Interface::copy_vector(X_ref,X,_size);
88  }
89
90  BTL_DONT_INLINE void calculate( void ) {
91      BTL_ASM_COMMENT("#begin syr2");
92      Interface::syr2(A,B,X,_size);
93      BTL_ASM_COMMENT("end syr2");
94  }
95
96  BTL_DONT_INLINE void check_result( void ){
97    // calculation check
98    Interface::vector_to_stl(X,resu_stl);
99
100    STL_interface<typename Interface::real_type>::syr2(A_stl,B_stl,X_stl,_size);
101
102    typename Interface::real_type error=
103      STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
104
105    if (error>1.e-3){
106      INFOS("WRONG CALCULATION...residual=" << error);
107//       exit(0);
108    }
109
110  }
111
112private :
113
114  typename Interface::stl_matrix A_stl;
115  typename Interface::stl_vector B_stl;
116  typename Interface::stl_vector X_stl;
117  typename Interface::stl_vector resu_stl;
118
119  typename Interface::gene_matrix A_ref;
120  typename Interface::gene_vector B_ref;
121  typename Interface::gene_vector X_ref;
122
123  typename Interface::gene_matrix A;
124  typename Interface::gene_vector B;
125  typename Interface::gene_vector X;
126
127
128  int _size;
129
130};
131
132
133#endif
134