1/* Test file for mpfr_sqrt_ui.
2
3Copyright 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4Contributed by the Arenaire and Cacao projects, INRIA.
5
6This file is part of the GNU MPFR Library.
7
8The GNU MPFR Library is free software; you can redistribute it and/or modify
9it under the terms of the GNU Lesser General Public License as published by
10the Free Software Foundation; either version 3 of the License, or (at your
11option) any later version.
12
13The GNU MPFR Library is distributed in the hope that it will be useful, but
14WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
16License for more details.
17
18You should have received a copy of the GNU Lesser General Public License
19along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
20http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
2151 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
22
23#include <stdio.h>
24#include <stdlib.h>
25
26#include "mpfr-test.h"
27
28static void
29check (unsigned long a, mpfr_rnd_t rnd_mode, const char *qs)
30{
31  mpfr_t q;
32
33  mpfr_init2 (q, 53);
34  mpfr_sqrt_ui (q, a, rnd_mode);
35  if (mpfr_cmp_str1 (q, qs))
36    {
37      printf ("mpfr_sqrt_ui failed for a=%lu, rnd_mode=%s\n",
38              a, mpfr_print_rnd_mode (rnd_mode));
39      printf ("sqrt gives %s, mpfr_sqrt_ui gives ", qs);
40      mpfr_out_str(stdout, 10, 0, q, MPFR_RNDN);
41      exit (1);
42    }
43  mpfr_clear (q);
44}
45
46int
47main (void)
48{
49  tests_start_mpfr ();
50
51  check (0, MPFR_RNDN, "0.0");
52  check (2116118, MPFR_RNDU, "1.45468828276026215e3");
53
54  tests_end_mpfr ();
55  return 0;
56}
57