1 /* Test mpz_mul_ui and mpz_mul_si.
2
3 Copyright 2001, 2002 Free Software Foundation, Inc.
4
5 This file is part of the GNU MP Library test suite.
6
7 The GNU MP Library test suite is free software; you can redistribute it
8 and/or modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 3 of the License,
10 or (at your option) any later version.
11
12 The GNU MP Library test suite is distributed in the hope that it will be
13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 Public License for more details.
16
17 You should have received a copy of the GNU General Public License along with
18 the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
19
20 #include <stdio.h>
21 #include <stdlib.h>
22
23 #include "gmp-impl.h"
24 #include "tests.h"
25
26
27 mpz_t got, want, x;
28
29 void
compare_si(long y)30 compare_si (long y)
31 {
32 if (mpz_cmp (got, want) != 0)
33 {
34 printf ("mpz_mul_si wrong\n");
35 mpz_trace (" x", x);
36 printf (" y=%ld (0x%lX)\n", y, y);
37 mpz_trace (" got ", got);
38 mpz_trace (" want", want);
39 abort ();
40 }
41 }
42
43 void
compare_ui(unsigned long y)44 compare_ui (unsigned long y)
45 {
46 if (mpz_cmp (got, want) != 0)
47 {
48 printf ("mpz_mul_ui wrong\n");
49 mpz_trace (" x", x);
50 printf (" y=%lu (0x%lX)\n", y, y);
51 mpz_trace (" got ", got);
52 mpz_trace (" want", want);
53 abort ();
54 }
55 }
56
57 void
check_samples(void)58 check_samples (void)
59 {
60 {
61 long y;
62
63 mpz_set_ui (x, 1L);
64 y = 0;
65 mpz_mul_si (got, x, y);
66 mpz_set_si (want, y);
67 compare_si (y);
68
69 mpz_set_ui (x, 1L);
70 y = 1;
71 mpz_mul_si (got, x, y);
72 mpz_set_si (want, y);
73 compare_si (y);
74
75 mpz_set_ui (x, 1L);
76 y = -1;
77 mpz_mul_si (got, x, y);
78 mpz_set_si (want, y);
79 compare_si (y);
80
81 mpz_set_ui (x, 1L);
82 y = LONG_MIN;
83 mpz_mul_si (got, x, y);
84 mpz_set_si (want, y);
85 compare_si (y);
86
87 mpz_set_ui (x, 1L);
88 y = LONG_MAX;
89 mpz_mul_si (got, x, y);
90 mpz_set_si (want, y);
91 compare_si (y);
92 }
93
94 {
95 unsigned long y;
96
97 mpz_set_ui (x, 1L);
98 y = 0;
99 mpz_mul_ui (got, x, y);
100 mpz_set_ui (want, y);
101 compare_ui (y);
102
103 mpz_set_ui (x, 1L);
104 y = 1;
105 mpz_mul_ui (got, x, y);
106 mpz_set_ui (want, y);
107 compare_ui (y);
108
109 mpz_set_ui (x, 1L);
110 y = ULONG_MAX;
111 mpz_mul_ui (got, x, y);
112 mpz_set_ui (want, y);
113 compare_ui (y);
114 }
115 }
116
117 int
main(int argc,char ** argv)118 main (int argc, char **argv)
119 {
120 tests_start ();
121
122 mpz_init (x);
123 mpz_init (got);
124 mpz_init (want);
125
126 check_samples ();
127
128 mpz_clear (x);
129 mpz_clear (got);
130 mpz_clear (want);
131
132 tests_end ();
133 exit (0);
134 }
135