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/* Test mpf_pow_ui
Copyright 2015 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"
void
check_data (void)
{
unsigned int b, e;
mpf_t b1, r, r2, limit;
mpf_inits (b1, r, r2, NULL);
mpf_init_set_ui (limit, 1);
mpf_mul_2exp (limit, limit, MAX (GMP_NUMB_BITS, 53));
/* This test just test integers with results that fit in a single
limb or 53 bits. This avoids any rounding. */
for (b = 0; b <= 400; b++)
{
mpf_set_ui (b1, b);
mpf_set_ui (r2, 1);
for (e = 0; e <= GMP_LIMB_BITS; e++)
{
mpf_pow_ui (r, b1, e);
if (mpf_cmp (r, r2))
abort ();
mpf_mul_ui (r2, r2, b);
if (mpf_cmp (r2, limit) >= 0)
break;
}
}
mpf_clears (b1, r, r2, limit, NULL);
}
int
main (int argc, char **argv)
{
tests_start ();
check_data ();
tests_end ();
exit (0);
}
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