gcc/gmp/tests/mpz/logic.c

/* Test mpz_com, mpz_and, mpz_ior, and mpz_xor.

Copyright 1993, 1994, 1996, 1997, 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 "tests.h"

void dump_abort __GMP_PROTO (());
void debug_mp __GMP_PROTO ((mpz_t, int));

int
main (int argc, char **argv)
{
  mpz_t x, y, r1, r2;
  mpz_t t1, t2, t3;
  mp_size_t xsize, ysize;
  int i;
  int reps = 100000;
  gmp_randstate_ptr rands;
  mpz_t bs;
  unsigned long bsi, size_range;

  tests_start ();
  rands = RANDS;

  mpz_init (bs);

  if (argc == 2)
     reps = atoi (argv[1]);

  mpz_init (x);
  mpz_init (y);
  mpz_init (r1);
  mpz_init (r2);
  mpz_init (t1);
  mpz_init (t2);
  mpz_init (t3);

  for (i = 0; i < reps; i++)
    {
      mpz_urandomb (bs, rands, 32);
      size_range = mpz_get_ui (bs) % 8 + 2;

      mpz_urandomb (bs, rands, size_range);
      xsize = mpz_get_ui (bs);
      mpz_rrandomb (x, rands, xsize);
      mpz_urandomb (bs, rands, 1);
      bsi = mpz_get_ui (bs);
      if ((bsi & 1) != 0)
	mpz_neg (x, x);

      mpz_urandomb (bs, rands, size_range);
      ysize = mpz_get_ui (bs);
      mpz_rrandomb (y, rands, ysize);
      mpz_urandomb (bs, rands, 1);
      bsi = mpz_get_ui (bs);
      if ((bsi & 1) != 0)
	mpz_neg (y, y);

      mpz_com (r1, x);
      MPZ_CHECK_FORMAT (r1);
      mpz_com (r1, r1);
      MPZ_CHECK_FORMAT (r1);
      if (mpz_cmp (r1, x) != 0)
	dump_abort ();

      mpz_com (r1, y);
      MPZ_CHECK_FORMAT (r1);
      mpz_com (r2, r1);
      MPZ_CHECK_FORMAT (r2);
      if (mpz_cmp (r2, y) != 0)
	dump_abort ();

      mpz_com (t1, x);
      MPZ_CHECK_FORMAT (t1);
      mpz_com (t2, y);
      MPZ_CHECK_FORMAT (t2);
      mpz_and (t3, t1, t2);
      MPZ_CHECK_FORMAT (t3);
      mpz_com (r1, t3);
      MPZ_CHECK_FORMAT (r1);
      mpz_ior (r2, x, y);
      MPZ_CHECK_FORMAT (r2);
      if (mpz_cmp (r1, r2) != 0)
	dump_abort ();

      mpz_com (t1, x);
      MPZ_CHECK_FORMAT (t1);
      mpz_com (t2, y);
      MPZ_CHECK_FORMAT (t2);
      mpz_ior (t3, t1, t2);
      MPZ_CHECK_FORMAT (t3);
      mpz_com (r1, t3);
      MPZ_CHECK_FORMAT (r1);
      mpz_and (r2, x, y);
      MPZ_CHECK_FORMAT (r2);
      if (mpz_cmp (r1, r2) != 0)
	dump_abort ();

      mpz_ior (t1, x, y);
      MPZ_CHECK_FORMAT (t1);
      mpz_and (t2, x, y);
      MPZ_CHECK_FORMAT (t2);
      mpz_com (t3, t2);
      MPZ_CHECK_FORMAT (t3);
      mpz_and (r1, t1, t3);
      MPZ_CHECK_FORMAT (r1);
      mpz_xor (r2, x, y);
      MPZ_CHECK_FORMAT (r2);
      if (mpz_cmp (r1, r2) != 0)
	dump_abort ();
    }

  mpz_clear (bs);
  mpz_clear (x);
  mpz_clear (y);
  mpz_clear (r1);
  mpz_clear (r2);
  mpz_clear (t1);
  mpz_clear (t2);
  mpz_clear (t3);

  tests_end ();
  exit (0);
}

void
dump_abort ()
{
  abort();
}

void
debug_mp (mpz_t x, int base)
{
  mpz_out_str (stderr, base, x); fputc ('\n', stderr);
}