blob: 57ec4ed36cc344a115d1f13fff48882056df5a21 [file] [log] [blame]
Austin Schuhdace2a62020-08-18 10:56:48 -07001/*
2
3Copyright 2012, 2014, Free Software Foundation, Inc.
4
5This file is part of the GNU MP Library test suite.
6
7The GNU MP Library test suite is free software; you can redistribute it
8and/or modify it under the terms of the GNU General Public License as
9published by the Free Software Foundation; either version 3 of the License,
10or (at your option) any later version.
11
12The GNU MP Library test suite is distributed in the hope that it will be
13useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15Public License for more details.
16
17You should have received a copy of the GNU General Public License along with
18the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
19
20#include <limits.h>
21#include <stdlib.h>
22#include <stdio.h>
23#include <string.h>
24
25#include "testutils.h"
26
27#define MAXBITS 400
28#define COUNT 10000
29
30#define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
31#define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS)
32
33void
34testmain (int argc, char **argv)
35{
36 unsigned i;
37 mpz_t a, b, res, res_ui, ref, tz;
38 mp_limb_t t[2*MAXLIMBS];
39 mp_size_t an;
40
41 mpz_init (a);
42 mpz_init (b);
43 mpz_init (res);
44 mpz_init (res_ui);
45 mpz_init (ref);
46
47 for (i = 0; i < COUNT; i++)
48 {
49 mini_random_op3 (OP_MUL, MAXBITS, a, b, ref);
50 mpz_mul (res, a, b);
51 if (mpz_cmp (res, ref))
52 {
53 fprintf (stderr, "mpz_mul failed:\n");
54 dump ("a", a);
55 dump ("b", b);
56 dump ("r", res);
57 dump ("ref", ref);
58 abort ();
59 }
60 if (mpz_size (a) == mpz_size (b))
61 {
62 memset (t, 0x55, sizeof(t));
63 an = mpz_size (a);
64 if (an > 0)
65 {
66 mpn_mul_n (t, a->_mp_d, b->_mp_d, an);
67
68 mpz_roinit_n (tz, t, 2*an);
69 if (mpz_cmpabs (tz, ref))
70 {
71 fprintf (stderr, "mpn_mul_n failed:\n");
72 dump ("a", a);
73 dump ("b", b);
74 dump ("ref", ref);
75 abort ();
76 }
77 }
78 }
79 if (mpz_fits_slong_p (b)) {
80 mpz_mul_si (res_ui, a, mpz_get_si (b));
81 if (mpz_cmp (res_ui, ref))
82 {
83 fprintf (stderr, "mpz_mul_si failed:\n");
84 dump ("a", a);
85 dump ("b", b);
86 dump ("r", res_ui);
87 dump ("ref", ref);
88 abort ();
89 }
90 }
91 mini_random_op2 (OP_SQR, MAXBITS, a, ref);
92 an = mpz_size (a);
93 if (an > 0)
94 {
95 memset (t, 0x33, sizeof(t));
96 mpn_sqr (t, mpz_limbs_read (a), an);
97
98 mpz_roinit_n (tz, t, 2*an);
99 if (mpz_cmp (tz, ref))
100 {
101 fprintf (stderr, "mpn (squaring) failed:\n");
102 dump ("a", a);
103 dump ("ref", ref);
104 abort ();
105 }
106 }
107 }
108 mpz_clear (a);
109 mpz_clear (b);
110 mpz_clear (res);
111 mpz_clear (res_ui);
112 mpz_clear (ref);
113}