1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008-2008 - INRIA - Allan Simon
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include "string.h"
#define SIZE 10000
/*
** \floating scalars test
*/
static void sstringaTest (void) {
float tabF[SIZE];
float tabF2[SIZE];
char** tabC = NULL ;
int i = 0 ;
printf("\n>>>> sstringaTest Tests\n");
tabC = (char**)malloc( SIZE *sizeof(char*));
for ( i=0;i< SIZE ; ++i )
{
tabC[i] = (char *)malloc( 26 * sizeof(char));
}
srand( 1 ) ;
for ( i = 0 ; i < SIZE ; ++i)
{
tabF[i] = (float) rand () ;
}
/* call to the function to test */
sstringa ( tabF , SIZE , tabC ) ;
/* reverse convertion*/
for ( i = 0 ; i < SIZE ; ++i)
{
sscanf ( tabC[i] , "%e" , &(tabF2[i]) ) ;
}
/* and we compare if the initial and final floats are equal */
for ( i = 0 ; i < SIZE ; ++i)
{
assert ( fabs( tabF[i] - tabF2[i]) / ( fabs ( tabF[i] )) < 1e-07 ) ;
}
}
/*
** \double scalars test
*/
static void dstringaTest (void) {
double tabD[SIZE];
double tabD2[SIZE];
char** tabC = NULL ;
int i = 0 ;
srand( 1 ) ;
printf("\n>>>> dstringaTest Tests\n");
tabC = (char**)malloc( SIZE *sizeof(char*));
for ( i=0;i< SIZE ; ++i )
{
tabC[i] = (char *)malloc( 26 * sizeof(char));
}
for ( i = 0 ; i < SIZE ; ++i)
{
tabD[i] = (double) rand () ;
}
/* call to the function to test */
dstringa ( tabD , SIZE , tabC ) ;
/* reverse convertion*/
for ( i = 0 ; i < SIZE ; ++i)
{
tabD2[i] = strtod (tabC[i] , NULL);
}
/* and we compare if the initial and final doubles are equal */
for ( i = 0 ; i < SIZE ; ++i)
{
assert ( fabs( tabD[i] - tabD2[i]) / ( fabs ( tabD[i] )) < 1e-16 ) ;
}
}
/*
** \complex floats test
*/
static void cstringaTest (void) {
floatComplex tabF[SIZE];
floatComplex tabF2[SIZE] ;
float img ;
float real ;
char** tabC = NULL ;
int i = 0 ;
srand( 1 ) ;
printf("\n>>>> cstringaTest Tests\n");
tabC = (char**)malloc( SIZE *sizeof(char*));
for ( i=0;i< SIZE ; ++i )
{
tabC[i] = (char *)malloc( 53 * sizeof(char));
}
for ( i = 0 ; i < SIZE ; ++i)
{
tabF[i] = FloatComplex ((float) rand (), (float) rand());
}
cstringa ( tabF , SIZE , tabC ) ;
/* reverse convertion*/
for ( i = 0 ; i < SIZE ; ++i)
{
sscanf (tabC[i] , "%e + %e" , &real , &img );
tabF2[i] = FloatComplex (real ,img );
}
/* and we compare if the initial and final floats are equal */
for ( i = 0 ; i < SIZE ; ++i)
{
assert ( fabs( creals(tabF2[i]) - creals (tabF[i]) ) / fabs (creals (tabF[i])) < 1e-07 );
assert ( fabs( cimags(tabF2[i]) - cimags (tabF[i]) ) / fabs (cimags (tabF[i])) < 1e-07 ) ;
}
}
/*
** \double 07 test
*/
static void zstringaTest (void) {
doubleComplex tabD[SIZE];
doubleComplex tabD2[SIZE] ;
double img ;
double real ;
char* temp = NULL ;
char** tabC = NULL ;
int i = 0 ;
srand( 1 ) ;
printf("\n>>>> zstringaTest Tests\n");
tabC = (char**)malloc( SIZE *sizeof(char*));
for ( i=0;i< SIZE ; ++i )
{
tabC[i] = (char *)malloc( 53 * sizeof(char));
}
for ( i = 0 ; i < SIZE ; ++i)
{
tabD[i] = DoubleComplex ((double) rand (), (double) rand());
}
zstringa ( tabD , SIZE , tabC ) ;
/* reverse convertion*/
for ( i = 0 ; i < SIZE ; ++i)
{
real = (double) strtod (tabC[i] ,&temp );
img = (double) strtod (temp + 3 ,NULL );
tabD2[i] = DoubleComplex (real ,img );
}
/* and we compare if the initial and final doubles are equal */
for ( i = 0 ; i < SIZE ; ++i)
{
assert ( fabs( zreals(tabD2[i]) - zreals (tabD[i]) ) / fabs (zreals (tabD[i])) < 1e-16 );
assert ( fabs( zimags(tabD2[i]) - zimags (tabD[i]) ) / fabs (zimags (tabD[i])) < 1e-16 );
}
}
static int testString (void) {
printf("\n>>>> String Tests\n");
sstringaTest();
dstringaTest();
cstringaTest();
zstringaTest();
return 0;
}
int main(void) {
assert(testString() == 0);
return 0;
}
|
