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author | Niels M?ller <nisse@lysator.liu.se> | 2019-08-08 07:24:11 +0200 |
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committer | Niels M?ller <nisse@lysator.liu.se> | 2019-08-08 07:24:11 +0200 |
commit | 1628f9d22c015de738dfa98fb55d2c7cf8d133a0 (patch) | |
tree | bebc051534fcf559bb1601ad2ade562383e2e4ed /tests/mpn | |
parent | 95f24e3aced2a132917a7dc3443cd537a11ed7df (diff) | |
download | gmp-1628f9d22c015de738dfa98fb55d2c7cf8d133a0.tar.gz |
Unit test for mpn_gcd_11
Diffstat (limited to 'tests/mpn')
-rw-r--r-- | tests/mpn/Makefile.am | 2 | ||||
-rw-r--r-- | tests/mpn/t-gcd_11.c | 82 |
2 files changed, 83 insertions, 1 deletions
diff --git a/tests/mpn/Makefile.am b/tests/mpn/Makefile.am index 9cdf9be54..9f1cd8868 100644 --- a/tests/mpn/Makefile.am +++ b/tests/mpn/Makefile.am @@ -29,7 +29,7 @@ check_PROGRAMS = t-asmtype t-aors_1 t-divrem_1 t-mod_1 t-fat t-get_d \ t-toom2-sqr t-toom3-sqr t-toom4-sqr t-toom6-sqr t-toom8-sqr \ t-div t-mul t-mullo t-sqrlo t-mulmod_bnm1 t-sqrmod_bnm1 t-mulmid \ t-hgcd t-hgcd_appr t-matrix22 t-invert t-bdiv t-fib2m \ - t-broot t-brootinv t-minvert t-sizeinbase + t-broot t-brootinv t-minvert t-sizeinbase t-gcd_11 EXTRA_DIST = toom-shared.h toom-sqr-shared.h diff --git a/tests/mpn/t-gcd_11.c b/tests/mpn/t-gcd_11.c new file mode 100644 index 000000000..c673ea2b4 --- /dev/null +++ b/tests/mpn/t-gcd_11.c @@ -0,0 +1,82 @@ +/* Test mpn_gcd_11. + +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 10000 +#endif + +static void +one_test (mp_limb_t a, mp_limb_t b, mp_limb_t ref) +{ + mp_limb_t r = mpn_gcd_11 (a, b); + if (r != ref) + { + gmp_fprintf (stderr, + "gcd_11 (0x%Mx, 0x%Mx) failed, got: 0x%Mx, ref: 0x%Mx\n", + a, b, r, ref); + abort(); + } +} + +int +main (int argc, char **argv) +{ + mpz_t a, b; + int count = COUNT; + int test; + gmp_randstate_ptr rands; + + TESTS_REPS (count, argv, argc); + + tests_start (); + rands = RANDS; + + mpz_init (a); + mpz_init (b); + for (test = 0; test < count; test++) + { + mp_limb_t al, bl; + mp_bitcnt_t size = 1 + gmp_urandomm_ui(rands, GMP_NUMB_BITS); + if (test & 1) + { + mpz_urandomb (a, rands, size); + mpz_urandomb (b, rands, size); + } + else + { + mpz_rrandomb (a, rands, size); + mpz_rrandomb (b, rands, size); + } + + mpz_setbit (a, 0); + mpz_setbit (b, 0); + al = mpz_getlimbn (a, 0); + bl = mpz_getlimbn (b, 0); + one_test (al, bl, refmpn_gcd_11 (al, bl)); + } + + mpz_clear (a); + mpz_clear (b); +} |