third_party/gmp/tests/t-parity.c

/* Test ULONG_PARITY.

Copyright 2002, 2014 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-impl.h"
#include "tests.h"

void
check_one (int want, unsigned long n)
{
  int  got;
  ULONG_PARITY (got, n);
  if (got != want)
    {
      printf ("ULONG_PARITY wrong\n");
      printf ("  n    %lX\n", n);
      printf ("  want %d\n", want);
      printf ("  got  %d\n", got);
      abort ();
    }
}

void
check_various (void)
{
  int  i;

  check_one (0, 0L);
  check_one (BITS_PER_ULONG & 1, ULONG_MAX);
  check_one (0, 0x11L);
  check_one (1, 0x111L);
  check_one (1, 0x3111L);

  for (i = 0; i < BITS_PER_ULONG; i++)
    check_one (1, 1UL << i);
}


int
main (int argc, char *argv[])
{
  tests_start ();
  mp_trace_base = 16;

  check_various ();

  tests_end ();
  exit (0);
}