src/gmp-6.1.0/tests/mpq/t-set_str.c

/* Test mpq_set_str.

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 "gmp.h"
#include "gmp-impl.h"
#include "tests.h"


void
check_one (mpq_srcptr want, int base, const char *str)
{
  mpq_t   got;

  MPQ_CHECK_FORMAT (want);
  mp_trace_base = base;

  mpq_init (got);

  if (mpq_set_str (got, str, base) != 0)
    {
      printf ("mpq_set_str unexpectedly failed\n");
      printf ("  base %d\n", base);
      printf ("  str  \"%s\"\n", str);
      abort ();
    }
  MPQ_CHECK_FORMAT (got);

  if (! mpq_equal (got, want))
    {
      printf ("mpq_set_str wrong\n");
      printf ("  base %d\n", base);
      printf ("  str  \"%s\"\n", str);
      mpq_trace ("got ", got);
      mpq_trace ("want", want);
      abort ();
    }

  mpq_clear (got);
}

void
check_samples (void)
{
  mpq_t  q;

  mpq_init (q);

  mpq_set_ui (q, 0L, 1L);
  check_one (q, 10, "0");
  check_one (q, 10, "0/1");
  check_one (q, 10, "0  / 1");
  check_one (q, 0, "0x0/ 1");
  check_one (q, 0, "0x0/ 0x1");
  check_one (q, 0, "0 / 0x1");

  check_one (q, 10, "-0");
  check_one (q, 10, "-0/1");
  check_one (q, 10, "-0  / 1");
  check_one (q, 0, "-0x0/ 1");
  check_one (q, 0, "-0x0/ 0x1");
  check_one (q, 0, "-0 / 0x1");

  mpq_set_ui (q, 255L, 256L);
  check_one (q, 10, "255/256");
  check_one (q, 0,  "0xFF/0x100");
  check_one (q, 16, "FF/100");

  mpq_neg (q, q);
  check_one (q, 10, "-255/256");
  check_one (q, 0,  "-0xFF/0x100");
  check_one (q, 16, "-FF/100");

  mpq_clear (q);
}

int
main (void)
{
  tests_start ();

  check_samples ();

  tests_end ();
  exit (0);
}