mpir/tests/t-gmpmax.c

/* Check the values of __GMP_UINT_MAX etc.

Copyright 2001 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP 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 2.1 of the License, or (at your
option) any later version.

The GNU MP 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 MP Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "mpir.h"


/* __GMP_UINT_MAX etc are generated with expressions in mpir.h since we don't
   want to demand <limits.h> or forcibly include it.  Check the expressions
   come out the same as <limits.h>.  */

int
main (int argc, char *argv[])
{
  int  error = 0;

#ifdef UINT_MAX
  if (__GMP_UINT_MAX != UINT_MAX)
    {
      printf ("__GMP_UINT_MAX incorrect\n");
      printf ("  __GMP_UINT_MAX  %u  0x%X\n", __GMP_UINT_MAX, __GMP_UINT_MAX);
      printf ("  UINT_MAX        %u  0x%X\n", UINT_MAX, UINT_MAX);
      error = 1;
    }
#endif

  /* gcc 2.95.2 limits.h on solaris 2.5.1 incorrectly selects a 64-bit
     LONG_MAX, leading to some integer overflow in ULONG_MAX and a spurious
     __GMP_ULONG_MAX != ULONG_MAX.  Casting ULONG_MAX to unsigned long is a
     workaround.  */
#ifdef ULONG_MAX
  if (__GMP_ULONG_MAX != (unsigned long) ULONG_MAX)
    {
      printf ("__GMP_ULONG_MAX incorrect\n");
      printf ("  __GMP_ULONG_MAX  %lu  0x%lX\n", __GMP_ULONG_MAX, __GMP_ULONG_MAX);
      printf ("  ULONG_MAX        %lu  0x%lX\n", ULONG_MAX, ULONG_MAX);
      error = 1;
    }
#endif

#ifdef USHRT_MAX
  if (__GMP_USHRT_MAX != USHRT_MAX)
    {
      printf ("__GMP_USHRT_MAX incorrect\n");
      printf ("  __GMP_USHRT_MAX  %hu  0x%hX\n", __GMP_USHRT_MAX, __GMP_USHRT_MAX);
      printf ("  USHRT_MAX        %hu  0x%hX\n", USHRT_MAX, USHRT_MAX);
      error = 1;
    }
#endif

  if (error)
    abort ();

  exit (0);
}