File: t-itom.c

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/* Test itom.

Copyright 2000, 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 3 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.  If not, see http://www.gnu.org/licenses/.  */

#include <stdio.h>
#include <stdlib.h>
#include "gmp.h"
#include "gmp-impl.h"
#include "mp.h"
#include "tests.h"

#define SGN(x)       ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)


void
check_data (void)
{
  static const struct {
    short      m;
    mp_size_t  want_size;
    mp_limb_t  want_limb;
  } data[] = {

    {  0L,  0 },
    {  1L,  1, 1 },
    { -1L, -1, 1 },

    {  SHRT_MAX,  1,  SHRT_MAX },
    { -SHRT_MAX, -1,  SHRT_MAX },
    {  SHRT_MIN, -1, -SHRT_MIN },
  };

  MINT  *m;
  int   i;

  for (i = 0; i < numberof (data); i++)
    {
      m = itom (data[i].m);
      if (m->_mp_size != data[i].want_size
	  || (m->_mp_size != 0 && m->_mp_d[0] != data[i].want_limb))
	{
	  printf ("itom wrong on data[%d]\n", i);
	  abort();
	}
      mfree (m);
    }
}


int
main (void)
{
  tests_start ();

  check_data ();

  tests_end ();
  exit (0);
}