diff options
author | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:36:36 +0200 |
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committer | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:42:26 +0200 |
commit | a89a14ef5da44684a16b204e7a70460cc8c4922a (patch) | |
tree | b23b4c6b155977909ef508fdae2f48d33d802813 /vendor/gmp-6.3.0/tests/mpz/t-mul_i.c | |
parent | 1db63fcedab0b288820d66e100b1877b1a5a8851 (diff) |
Basic constant folding implementation
Diffstat (limited to 'vendor/gmp-6.3.0/tests/mpz/t-mul_i.c')
-rw-r--r-- | vendor/gmp-6.3.0/tests/mpz/t-mul_i.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/tests/mpz/t-mul_i.c b/vendor/gmp-6.3.0/tests/mpz/t-mul_i.c new file mode 100644 index 0000000..5f2dae2 --- /dev/null +++ b/vendor/gmp-6.3.0/tests/mpz/t-mul_i.c @@ -0,0 +1,134 @@ +/* Test mpz_mul_ui and mpz_mul_si. + +Copyright 2001, 2002 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" + + +mpz_t got, want, x; + +void +compare_si (long y) +{ + if (mpz_cmp (got, want) != 0) + { + printf ("mpz_mul_si wrong\n"); + mpz_trace (" x", x); + printf (" y=%ld (0x%lX)\n", y, y); + mpz_trace (" got ", got); + mpz_trace (" want", want); + abort (); + } +} + +void +compare_ui (unsigned long y) +{ + if (mpz_cmp (got, want) != 0) + { + printf ("mpz_mul_ui wrong\n"); + mpz_trace (" x", x); + printf (" y=%lu (0x%lX)\n", y, y); + mpz_trace (" got ", got); + mpz_trace (" want", want); + abort (); + } +} + +void +check_samples (void) +{ + { + long y; + + mpz_set_ui (x, 1L); + y = 0; + mpz_mul_si (got, x, y); + mpz_set_si (want, y); + compare_si (y); + + mpz_set_ui (x, 1L); + y = 1; + mpz_mul_si (got, x, y); + mpz_set_si (want, y); + compare_si (y); + + mpz_set_ui (x, 1L); + y = -1; + mpz_mul_si (got, x, y); + mpz_set_si (want, y); + compare_si (y); + + mpz_set_ui (x, 1L); + y = LONG_MIN; + mpz_mul_si (got, x, y); + mpz_set_si (want, y); + compare_si (y); + + mpz_set_ui (x, 1L); + y = LONG_MAX; + mpz_mul_si (got, x, y); + mpz_set_si (want, y); + compare_si (y); + } + + { + unsigned long y; + + mpz_set_ui (x, 1L); + y = 0; + mpz_mul_ui (got, x, y); + mpz_set_ui (want, y); + compare_ui (y); + + mpz_set_ui (x, 1L); + y = 1; + mpz_mul_ui (got, x, y); + mpz_set_ui (want, y); + compare_ui (y); + + mpz_set_ui (x, 1L); + y = ULONG_MAX; + mpz_mul_ui (got, x, y); + mpz_set_ui (want, y); + compare_ui (y); + } +} + +int +main (int argc, char **argv) +{ + tests_start (); + + mpz_init (x); + mpz_init (got); + mpz_init (want); + + check_samples (); + + mpz_clear (x); + mpz_clear (got); + mpz_clear (want); + + tests_end (); + exit (0); +} |