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
|
/* tcmp_si.c -- Test mpfi_cmp_si.
Copyright 2010,
Spaces project, Inria Lorraine
and Salsa project, INRIA Rocquencourt,
and Arenaire project, Inria Rhone-Alpes, France
and Lab. ANO, USTL (Univ. of Lille), France
This file is part of the MPFI Library.
The MPFI Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPFI Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPFI Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "mpfi-tests.h"
#include "mpfi_config.h"
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifndef LONG_MAX
# define LONG_MAX 2147483647
#endif
#define ORDER(min, max) \
do { \
if ((min) > (max)) { \
long tmp; \
tmp = (min); \
(min) = (max); \
(max) = tmp;} \
} while (0)
void
print_error (long x, mpfi_srcptr i)
{
printf ("Error: mpfi_cmp_si (x, I) returns %d\nx = %ld\nI = ",
mpfi_cmp_si (i, x), x);
mpfi_out_str (stdout, 10, 0, i);
printf ("\n");
exit (1);
}
void
check ()
{
mpfi_t interval;
long a, b, c;
int cmp;
int i;
i = 1;
a = LONG_MAX;
while (a >>= 1) i++;
mpfi_init2 (interval, i);
for (i = 0; i <= 1000; ++i) {
/* random numbers a < b < c */
a = random_si ();
b = random_si ();
c = random_si ();
ORDER (a, b);
ORDER (a, c);
ORDER (b, c);
mpfi_interv_si (interval, b, c);
cmp = mpfi_cmp_si (interval, a);
if (cmp < 0 || (cmp == 0 && a != b)) {
print_error (a, interval);
}
mpfr_set_nan (&(interval->right));
if (mpfi_cmp_si (interval, a) != 1) {
print_error (a, interval);
}
mpfi_interv_si (interval, a, c);
if (mpfi_cmp_si (interval, b) != 0) {
print_error (b, interval);
}
mpfr_set_nan (&(interval->right));
if (mpfi_cmp_si (interval, b) != 1) {
print_error (b, interval);
}
mpfi_interv_si (interval, a, b);
cmp = mpfi_cmp_si (interval, c);
if (cmp > 0 || (cmp == 0 && c != b)) {
print_error (c, interval);
}
mpfr_set_nan (&(interval->right));
if (mpfi_cmp_si (interval, c) != 1) {
print_error (c, interval);
}
}
mpfi_clear (interval);
}
int
main (int argc, char **argv)
{
test_start ();
check ();
test_end ();
return 0;
}
|
