1/* Test file for mpfr_swap.
2
3Copyright 2000-2004, 2006-2023 Free Software Foundation, Inc.
4Contributed by the AriC and Caramba 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
20https://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 "mpfr-test.h"
24
25int
26main (void)
27{
28  mpfr_t u, v;
29
30  tests_start_mpfr ();
31
32  mpfr_init2 (u, 24);
33  mpfr_init2 (v, 53);
34  mpfr_set_ui (u, 16777215, MPFR_RNDN); /* 2^24 - 1 */
35  mpfr_set_str1 (v, "9007199254740991.0"); /* 2^53 - 1 */
36  mpfr_swap (u, v);
37  mpfr_swap (u, v);
38  if (mpfr_cmp_ui (u, 16777215) || mpfr_cmp_str1 (v, "9007199254740991.0"))
39    {
40      printf ("Error in mpfr_swap\n");
41      exit (1);
42    }
43  mpfr_clear (u);
44  mpfr_clear (v);
45
46  tests_end_mpfr ();
47  return 0;
48}
49