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authorDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
committerDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
commit11da511c784eca003deb90c23570f0873954e0de (patch)
treee14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mini-gmp/tests/t-mul.c
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mini-gmp/tests/t-mul.c')
-rw-r--r--gmp-6.3.0/mini-gmp/tests/t-mul.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/gmp-6.3.0/mini-gmp/tests/t-mul.c b/gmp-6.3.0/mini-gmp/tests/t-mul.c
new file mode 100644
index 0000000..57ec4ed
--- /dev/null
+++ b/gmp-6.3.0/mini-gmp/tests/t-mul.c
@@ -0,0 +1,113 @@
+/*
+
+Copyright 2012, 2014, Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 3 of the License,
+or (at your option) any later version.
+
+The GNU MP Library test suite 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 General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
+
+#include <limits.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "testutils.h"
+
+#define MAXBITS 400
+#define COUNT 10000
+
+#define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
+#define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS)
+
+void
+testmain (int argc, char **argv)
+{
+ unsigned i;
+ mpz_t a, b, res, res_ui, ref, tz;
+ mp_limb_t t[2*MAXLIMBS];
+ mp_size_t an;
+
+ mpz_init (a);
+ mpz_init (b);
+ mpz_init (res);
+ mpz_init (res_ui);
+ mpz_init (ref);
+
+ for (i = 0; i < COUNT; i++)
+ {
+ mini_random_op3 (OP_MUL, MAXBITS, a, b, ref);
+ mpz_mul (res, a, b);
+ if (mpz_cmp (res, ref))
+ {
+ fprintf (stderr, "mpz_mul failed:\n");
+ dump ("a", a);
+ dump ("b", b);
+ dump ("r", res);
+ dump ("ref", ref);
+ abort ();
+ }
+ if (mpz_size (a) == mpz_size (b))
+ {
+ memset (t, 0x55, sizeof(t));
+ an = mpz_size (a);
+ if (an > 0)
+ {
+ mpn_mul_n (t, a->_mp_d, b->_mp_d, an);
+
+ mpz_roinit_n (tz, t, 2*an);
+ if (mpz_cmpabs (tz, ref))
+ {
+ fprintf (stderr, "mpn_mul_n failed:\n");
+ dump ("a", a);
+ dump ("b", b);
+ dump ("ref", ref);
+ abort ();
+ }
+ }
+ }
+ if (mpz_fits_slong_p (b)) {
+ mpz_mul_si (res_ui, a, mpz_get_si (b));
+ if (mpz_cmp (res_ui, ref))
+ {
+ fprintf (stderr, "mpz_mul_si failed:\n");
+ dump ("a", a);
+ dump ("b", b);
+ dump ("r", res_ui);
+ dump ("ref", ref);
+ abort ();
+ }
+ }
+ mini_random_op2 (OP_SQR, MAXBITS, a, ref);
+ an = mpz_size (a);
+ if (an > 0)
+ {
+ memset (t, 0x33, sizeof(t));
+ mpn_sqr (t, mpz_limbs_read (a), an);
+
+ mpz_roinit_n (tz, t, 2*an);
+ if (mpz_cmp (tz, ref))
+ {
+ fprintf (stderr, "mpn (squaring) failed:\n");
+ dump ("a", a);
+ dump ("ref", ref);
+ abort ();
+ }
+ }
+ }
+ mpz_clear (a);
+ mpz_clear (b);
+ mpz_clear (res);
+ mpz_clear (res_ui);
+ mpz_clear (ref);
+}