diff options
Diffstat (limited to 'vendor/gmp-6.3.0/mini-gmp/tests/t-div_2exp.c')
-rw-r--r-- | vendor/gmp-6.3.0/mini-gmp/tests/t-div_2exp.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mini-gmp/tests/t-div_2exp.c b/vendor/gmp-6.3.0/mini-gmp/tests/t-div_2exp.c new file mode 100644 index 0000000..53d3f2b --- /dev/null +++ b/vendor/gmp-6.3.0/mini-gmp/tests/t-div_2exp.c @@ -0,0 +1,82 @@ +/* + +Copyright 2012, 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 <assert.h> +#include <stdlib.h> +#include <stdio.h> + +#include "testutils.h" + +#define MAXBITS 400 +#define COUNT 10000 + +typedef void div_func (mpz_t, const mpz_t, mp_bitcnt_t); + +void +testmain (int argc, char **argv) +{ + unsigned i; + mpz_t a, res, ref; + mp_bitcnt_t b; + + mpz_init (a); + mpz_init (res); + mpz_init (ref); + + for (i = 0; i < COUNT; i++) + { + unsigned j; + for (j = 0; j < 6; j++) + { + static const enum hex_random_op ops[6] = + { + OP_CDIV_Q_2, OP_CDIV_R_2, + OP_FDIV_Q_2, OP_FDIV_R_2, + OP_TDIV_Q_2, OP_TDIV_R_2 + }; + static const char *name[6] = + { + "cdiv_q", "cdiv_r", + "fdiv_q", "fdiv_r", + "tdiv_q", "tdiv_r" + }; + static div_func * const div [6] = + { + mpz_cdiv_q_2exp, mpz_cdiv_r_2exp, + mpz_fdiv_q_2exp, mpz_fdiv_r_2exp, + mpz_tdiv_q_2exp, mpz_tdiv_r_2exp + }; + + mini_random_bit_op (ops[j], MAXBITS, a, &b, ref); + div[j] (res, a, b); + if (mpz_cmp (ref, res)) + { + fprintf (stderr, "mpz_%s_2exp failed:\n", name[j]); + dump ("a", a); + fprintf (stderr, "b: %lu\n", b); + dump ("r", res); + dump ("ref", ref); + abort (); + } + } + } + mpz_clear (a); + mpz_clear (res); + mpz_clear (ref); +} |