ubuntu-buildroot/output/build/host-gmp-6.2.1/tests/mpz/t-mul_i.c

135 lines
2.6 KiB
C

/* 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);
}