From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/tests/mpn/t-gcd_22.c | 87 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 gmp-6.3.0/tests/mpn/t-gcd_22.c (limited to 'gmp-6.3.0/tests/mpn/t-gcd_22.c') 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 +#include + +#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; +} -- cgit v1.2.3