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/* Test file for mpfr_sqrt_ui.
Copyright 2000-2003, 2006-2025 Free Software Foundation, Inc.
Contributed by the Pascaline and Caramba projects, INRIA.
This file is part of the GNU MPFR Library.
The GNU MPFR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser 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 MPFR Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MPFR Library; see the file COPYING.LESSER.
If not, see <https://www.gnu.org/licenses/>. */
#include "mpfr-test.h"
static void
check (unsigned long a, mpfr_rnd_t rnd_mode, const char *qs)
{
mpfr_t q;
mpfr_init2 (q, 53);
mpfr_sqrt_ui (q, a, rnd_mode);
if (mpfr_cmp_str1 (q, qs))
{
printf ("mpfr_sqrt_ui failed for a=%lu, rnd_mode=%s\n",
a, mpfr_print_rnd_mode (rnd_mode));
printf ("sqrt gives %s, mpfr_sqrt_ui gives ", qs);
mpfr_out_str (stdout, 10, 0, q, MPFR_RNDN);
putchar ('\n');
exit (1);
}
mpfr_clear (q);
}
int
main (void)
{
tests_start_mpfr ();
check (0, MPFR_RNDN, "0.0");
check (2116118, MPFR_RNDU, "1.45468828276026215e3");
tests_end_mpfr ();
return 0;
}
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