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
|
/* Exercise various mpf functions. */
/*
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP 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 GNU MP 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 GNU MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
*/
#include <stdio.h>
#include "gmp.h"
#include "gmp-impl.h"
#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
void
check_mpf_set_si (void)
{
static const struct {
long x;
mp_size_t want_size;
mp_limb_t want_limb;
} data[] = {
{ 0L, 0 },
{ 1L, 1, 1 },
{ -1L, -1, 1 },
{ LONG_MAX, 1, LONG_MAX },
{ -LONG_MAX, -1, LONG_MAX },
{ LONG_HIGHBIT, -1, ULONG_HIGHBIT },
};
mpf_t x;
int i;
mpf_init (x);
for (i = 0; i < numberof (data); i++)
{
mpf_init (x);
mpf_set_si (x, data[i].x);
if (x->_mp_size != data[i].want_size
|| (x->_mp_size != 0 && x->_mp_d[0] != data[i].want_limb)
|| (x->_mp_exp != (data[i].x != 0)))
{
printf ("mpf_set_si wrong on data[%d]\n", i);
abort();
}
mpf_clear (x);
mpf_init_set_si (x, data[i].x);
if (x->_mp_size != data[i].want_size
|| (x->_mp_size != 0 && x->_mp_d[0] != data[i].want_limb)
|| (x->_mp_exp != (data[i].x != 0)))
{
printf ("mpf_init_set_si wrong on data[%d]\n", i);
abort();
}
mpf_clear (x);
}
}
void
check_mpf_cmp_si (void)
{
static const struct {
int a_base;
const char *a;
const char *b;
int want;
} data[] = {
{ 10, "0", "1", -1 },
{ 10, "0", "0", 0 },
{ 10, "0", "-1", 1 },
{ 10, "1", "1", 0 },
{ 10, "1", "0", 1 },
{ 10, "1", "-1", 1 },
{ 10, "-1", "1", -1 },
{ 10, "-1", "0", -1 },
{ 10, "-1", "-1", 0 },
{ 16, "0", "-0x80000000", 1 },
{ 16, "80000000", "-0x80000000", 1 },
{ 16, "80000001", "-0x80000000", 1 },
{ 16, "-80000000", "-0x80000000", 0 },
{ 16, "-80000001", "-0x80000000", -1 },
{ 16, "0", "-0x8000000000000000", 1 },
{ 16, "8000000000000000", "-0x8000000000000000", 1 },
{ 16, "8000000000000001", "-0x8000000000000000", 1 },
{ 16, "-8000000000000000", "-0x8000000000000000", 0 },
{ 16, "-8000000000000001", "-0x8000000000000000", -1 },
};
mpf_t a;
mpz_t bz;
long b;
int got;
int i;
mpf_init (a);
mpz_init (bz);
for (i = 0; i < numberof (data); i++)
{
mpf_set_str (a, data[i].a, data[i].a_base);
mpz_set_str (bz, data[i].b, 0);
if (mpz_fits_slong_p (bz))
{
b = mpz_get_si (bz);
got = mpf_cmp_si (a, b);
if (SGN (got) != data[i].want)
{
printf ("mpf_cmp_si wrong on data[%d]\n", i);
printf (" a="); mpf_out_str (stdout, 10, 0, a);
printf (" (%s)\n", data[i].a);
printf (" b=%ld (%s)\n", b, data[i].b);
printf (" got=%d\n", got);
printf (" want=%d\n", data[i].want);
abort();
}
}
}
mpf_clear (a);
mpz_clear (bz);
}
int
main (void)
{
check_mpf_set_si ();
check_mpf_cmp_si ();
exit (0);
}
|
