/* Test mpq_cmp_si.

Copyright 2001 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 <limits.h>

#include "gmp.h"

#include "gmp-impl.h"

#include "tests.h"

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

void

check_data (void)

{

  static const struct {

    const char     *q;

    long           n;

    unsigned long  d;

    int            want;

  } data[] = {

    { "0", 0, 1, 0 },

    { "0", 0, 123, 0 },

    { "0", 0, ULONG_MAX, 0 },

    { "1", 0, 1, 1 },

    { "1", 0, 123, 1 },

    { "1", 0, ULONG_MAX, 1 },

    { "-1", 0, 1, -1 },

    { "-1", 0, 123, -1 },

    { "-1", 0, ULONG_MAX, -1 },

    { "123", 123, 1, 0 },

    { "124", 123, 1, 1 },

    { "122", 123, 1, -1 },

    { "-123", 123, 1, -1 },

    { "-124", 123, 1, -1 },

    { "-122", 123, 1, -1 },

    { "123", -123, 1, 1 },

    { "124", -123, 1, 1 },

    { "122", -123, 1, 1 },

    { "-123", -123, 1, 0 },

    { "-124", -123, 1, -1 },

    { "-122", -123, 1, 1 },

    { "5/7", 3,4, -1 },

    { "5/7", -3,4, 1 },

    { "-5/7", 3,4, -1 },

    { "-5/7", -3,4, 1 },

  };

  mpq_t  q;

  int    i, got;

  mpq_init (q);

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

    {

      mpq_set_str_or_abort (q, data[i].q, 0);

      MPQ_CHECK_FORMAT (q);

      got = mpq_cmp_si (q, data[i].n, data[i].d);

      if (SGN(got) != data[i].want)

        {

          printf ("mpq_cmp_si wrong\n");

        error:

          mpq_trace ("  q", q);

          printf ("  n=%ld\n", data[i].n);

          printf ("  d=%lu\n", data[i].d);

          printf ("  got=%d\n", got);

          printf ("  want=%d\n", data[i].want);

          abort ();

        }

      if (data[i].n == 0)

        {

          got = mpq_cmp_si (q, 0L, data[i].d);

          if (SGN(got) != data[i].want)

            {

              printf ("mpq_cmp_si wrong\n");

              goto error;

            }

        }

    }

  mpq_clear (q);

}

int

main (int argc, char **argv)

{

  tests_start ();

  check_data ();

  tests_end ();

  exit (0);

}