source: trunk/third/gmp/tests/cxx/t-cast.cc @ 22254

Revision 22254, 1.6 KB checked in by ghudson, 19 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r22253, which included commits to RCS files with non-trunk default branches.
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1/* Test g++ -Wold-style-cast cleanliness.
2
3Copyright 2003 Free Software Foundation, Inc.
4
5This file is part of the GNU MP Library.
6
7The GNU MP Library is free software; you can redistribute it and/or modify
8it under the terms of the GNU Lesser General Public License as published by
9the Free Software Foundation; either version 2.1 of the License, or (at your
10option) any later version.
11
12The GNU MP Library is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
15License for more details.
16
17You should have received a copy of the GNU Lesser General Public License
18along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
19the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20MA 02111-1307, USA. */
21
22#include "gmp.h"
23#include "gmpxx.h"
24
25
26/* This code doesn't do anything when run, it just expands various C macros
27   to see that they don't trigger compile-time warnings from g++
28   -Wold-style-cast.  This option isn't used in a normal build, it has to be
29   added manually to make this test worthwhile.  */
30
31void
32check_macros (void)
33{
34  mpz_t          z;
35  long           l = 123;
36  unsigned long  u = 456;
37  int            i;
38  mp_limb_t      limb;
39
40  mpz_init_set_ui (z, 0L);
41  i = mpz_odd_p (z);
42  i = mpz_even_p (z);
43  i = mpz_cmp_si (z, l);
44  i = mpz_cmp_ui (z, u);
45  mpz_clear (z);
46
47  limb = GMP_NUMB_MASK;
48  limb = GMP_NUMB_MAX;
49  limb = GMP_NAIL_MASK;
50
51  mpn_divmod (&limb, &limb, 1, &limb, 1);
52  mpn_divexact_by3 (&limb, &limb, 1);
53}
54
55int
56main (void)
57{
58  return 0;
59}
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