1//=====================================================
2// File   :  action_axpy.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_AXPY
21#define ACTION_AXPY
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_axpy {
33
34public :
35
36  // Ctor
37
38  Action_axpy( int size ):_size(size),_coef(1.0)
39  {
40    MESSAGE("Action_axpy Ctor");
41
42    // STL vector initialization
43
44    init_vector<pseudo_random>(X_stl,_size);
45    init_vector<pseudo_random>(Y_stl,_size);
46    init_vector<null_function>(resu_stl,_size);
47
48    // generic matrix and vector initialization
49
50    Interface::vector_from_stl(X_ref,X_stl);
51    Interface::vector_from_stl(Y_ref,Y_stl);
52
53    Interface::vector_from_stl(X,X_stl);
54    Interface::vector_from_stl(Y,Y_stl);
55
56
57  }
58
59  // invalidate copy ctor
60
61  Action_axpy( const  Action_axpy & )
62  {
63    INFOS("illegal call to Action_axpy Copy Ctor");
64    exit(1);
65  }
66
67  // Dtor
68
69  ~Action_axpy( void ){
70
71    MESSAGE("Action_axpy Dtor");
72
73    // deallocation
74
75    Interface::free_vector(X_ref);
76    Interface::free_vector(Y_ref);
77
78    Interface::free_vector(X);
79    Interface::free_vector(Y);
80  }
81
82  // action name
83
84  static inline std::string name( void )
85  {
86    return "axpy_"+Interface::name();
87  }
88
89  double nb_op_base( void ){
90    return 2.0*_size;
91  }
92
93  inline void initialize( void ){
94    Interface::copy_vector(X_ref,X,_size);
95    Interface::copy_vector(Y_ref,Y,_size);
96  }
97
98  inline void calculate( void ) {
99    BTL_ASM_COMMENT("mybegin axpy");
100    Interface::axpy(_coef,X,Y,_size);
101    BTL_ASM_COMMENT("myend axpy");
102  }
103
104  void check_result( void ){
105    if (_size>128) return;
106    // calculation check
107
108    Interface::vector_to_stl(Y,resu_stl);
109
110    STL_interface<typename Interface::real_type>::axpy(_coef,X_stl,Y_stl,_size);
111
112    typename Interface::real_type error=
113      STL_interface<typename Interface::real_type>::norm_diff(Y_stl,resu_stl);
114
115    if (error>1.e-6){
116      INFOS("WRONG CALCULATION...residual=" << error);
117      exit(0);
118    }
119
120  }
121
122private :
123
124  typename Interface::stl_vector X_stl;
125  typename Interface::stl_vector Y_stl;
126  typename Interface::stl_vector resu_stl;
127
128  typename Interface::gene_vector X_ref;
129  typename Interface::gene_vector Y_ref;
130
131  typename Interface::gene_vector X;
132  typename Interface::gene_vector Y;
133
134  typename Interface::real_type _coef;
135
136  int _size;
137};
138
139#endif
140