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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/tests/mpn/t-gcd_22.c
Initial commit.
Diffstat (limited to 'gmp-6.3.0/tests/mpn/t-gcd_22.c')
-rw-r--r--gmp-6.3.0/tests/mpn/t-gcd_22.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/gmp-6.3.0/tests/mpn/t-gcd_22.c b/gmp-6.3.0/tests/mpn/t-gcd_22.c
new file mode 100644
index 0000000..314bf18
--- /dev/null
+++ b/gmp-6.3.0/tests/mpn/t-gcd_22.c
@@ -0,0 +1,87 @@
+/* Test mpn_gcd_22.
+
+Copyright 2019 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 <stdio.h>
+#include <stdlib.h>
+
+#include "gmp-impl.h"
+#include "tests.h"
+
+#ifndef COUNT
+#define COUNT 150000
+#endif
+
+static void
+one_test (mpz_srcptr a, mpz_srcptr b, mpz_srcptr ref)
+{
+ mp_double_limb_t r = mpn_gcd_22 (mpz_getlimbn (a, 1), mpz_getlimbn (a, 0),
+ mpz_getlimbn (b, 1), mpz_getlimbn (b, 0));
+ if (r.d0 != mpz_getlimbn (ref, 0) || r.d1 != mpz_getlimbn (ref, 1))
+ {
+ gmp_fprintf (stderr,
+ "gcd_22 (0x%Zx, 0x%Zx) failed, got: g1 = 0x%Mx g0 = %Mx, ref: 0x%Zx\n",
+ a, b, r.d1, r.d0, ref);
+ abort();
+ }
+}
+
+int
+main (int argc, char **argv)
+{
+ mpz_t a, b, ref;
+ int count = COUNT;
+ int test;
+ gmp_randstate_ptr rands;
+
+ TESTS_REPS (count, argv, argc);
+
+ tests_start ();
+ rands = RANDS;
+
+ mpz_init (a);
+ mpz_init (b);
+ mpz_init (ref);
+ for (test = 0; test < count; test++)
+ {
+ mp_bitcnt_t asize = 1 + gmp_urandomm_ui(rands, 2*GMP_NUMB_BITS);
+ mp_bitcnt_t bsize = 1 + gmp_urandomm_ui(rands, 2*GMP_NUMB_BITS);
+ if (test & 1)
+ {
+ mpz_urandomb (a, rands, asize);
+ mpz_urandomb (b, rands, bsize);
+ }
+ else
+ {
+ mpz_rrandomb (a, rands, asize);
+ mpz_rrandomb (b, rands, bsize);
+ }
+
+ mpz_setbit (a, 0);
+ mpz_setbit (b, 0);
+ refmpz_gcd (ref, a, b);
+ one_test (a, b, ref);
+ }
+
+ mpz_clear (a);
+ mpz_clear (b);
+ mpz_clear (ref);
+
+ tests_end ();
+ return 0;
+}