/* Test mpf_set_si and mpf_init_set_si.

Copyright 2000, 2001, 2003 Free Software Foundation, Inc.

This file is part of the GNU MP Library test suite.

The GNU MP Library test suite is free software; you can redistribute it

and/or modify it under the terms of the GNU 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 test suite 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 General

Public License for more details.

You should have received a copy of the GNU General Public License along with

the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */

#include <stdio.h>

#include <stdlib.h>

#include "gmp.h"

#include "gmp-impl.h"

#include "tests.h"

void

check_data (void)

{

  static const struct {

    long       x;

    mp_size_t  want_size;

    mp_limb_t  want_data[2];

  } data[] = {

    {  0L,  0 },

    {  1L,  1, { 1 } },

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

#if GMP_NUMB_BITS >= BITS_PER_ULONG

    { LONG_MAX,  1, { LONG_MAX, 0 } },

    { -LONG_MAX,  -1, { LONG_MAX, 0 } },

    { LONG_HIGHBIT,  -1, { ULONG_HIGHBIT, 0 } },

#else

    { LONG_MAX,  2, { LONG_MAX & GMP_NUMB_MASK, LONG_MAX >> GMP_NUMB_BITS } },

    { -LONG_MAX,  -2, { LONG_MAX & GMP_NUMB_MASK, LONG_MAX >> GMP_NUMB_BITS }},

    { LONG_HIGHBIT,  -2, { 0, ULONG_HIGHBIT >> GMP_NUMB_BITS } },

#endif

  };

  mpf_t  x;

  int    i;

  for (i = 0; i < numberof (data); i++)

    {

      mpf_init (x);

      mpf_set_si (x, data[i].x);

      MPF_CHECK_FORMAT (x);

      if (x->_mp_size != data[i].want_size

          || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,

                                   ABS (data[i].want_size)) != 0

          || x->_mp_exp != ABS (data[i].want_size))

        {

          printf ("mpf_set_si wrong on data[%d]\n", i);

          abort();

        }

      mpf_clear (x);

      mpf_init_set_si (x, data[i].x);

      MPF_CHECK_FORMAT (x);

      if (x->_mp_size != data[i].want_size

          || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,

                                   ABS (data[i].want_size)) != 0

          || x->_mp_exp != ABS (data[i].want_size))

        {

          printf ("mpf_init_set_si wrong on data[%d]\n", i);

          abort();

        }

      mpf_clear (x);

    }

}

int

main (void)

{

  tests_start ();

  check_data ();

  tests_end ();

  exit (0);

}