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/mpz/dive_ui.c | 86 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 gmp-6.3.0/tests/mpz/dive_ui.c (limited to 'gmp-6.3.0/tests/mpz/dive_ui.c') diff --git a/gmp-6.3.0/tests/mpz/dive_ui.c b/gmp-6.3.0/tests/mpz/dive_ui.c new file mode 100644 index 0000000..8f74bce --- /dev/null +++ b/gmp-6.3.0/tests/mpz/dive_ui.c @@ -0,0 +1,86 @@ +/* Test mpz_divexact_ui. + +Copyright 1996, 2001 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" + + +void +check_random (int argc, char *argv[]) +{ + gmp_randstate_ptr rands = RANDS; + int reps = 500000; + mpz_t a, q, got; + int i, qneg; + unsigned long d; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (a); + mpz_init (q); + mpz_init (got); + + for (i = 0; i < reps; i++) + { + do + d = (unsigned long) urandom(); + while (d == 0); + mpz_erandomb (q, rands, 512); + mpz_mul_ui (a, q, d); + + for (qneg = 0; qneg <= 1; qneg++) + { + mpz_divexact_ui (got, a, d); + MPZ_CHECK_FORMAT (got); + if (mpz_cmp (got, q) != 0) + { + printf ("mpz_divexact_ui wrong\n"); + mpz_trace (" a", a); + printf (" d=%lu\n", d); + mpz_trace (" q", q); + mpz_trace (" got", got); + abort (); + } + + mpz_neg (q, q); + mpz_neg (a, a); + } + + } + + mpz_clear (a); + mpz_clear (q); + mpz_clear (got); +} + + +int +main (int argc, char **argv) +{ + tests_start (); + + check_random (argc, argv); + + tests_end (); + exit (0); +} -- cgit v1.2.3