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/*
Copyright 1996-2004, 2009 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 <stdlib.h>
#include <stdio.h>
#include "gmp-impl.h"
#include "tests.h"

#ifdef OPERATION_and_n
#define func __gmpn_and_n
#define reffunc refmpn_and_n
#define funcname "mpn_and_n"
#endif

#ifdef OPERATION_andn_n
#define func __gmpn_andn_n
#define reffunc refmpn_andn_n
#define funcname "mpn_andn_n"
#endif

#ifdef OPERATION_nand_n
#define func __gmpn_nand_n
#define reffunc refmpn_nand_n
#define funcname "mpn_nand_n"
#endif

#ifdef OPERATION_ior_n
#define func __gmpn_ior_n
#define reffunc refmpn_ior_n
#define funcname "mpn_ior_n"
#endif

#ifdef OPERATION_iorn_n
#define func __gmpn_iorn_n
#define reffunc refmpn_iorn_n
#define funcname "mpn_iorn_n"
#endif

#ifdef OPERATION_nior_n
#define func __gmpn_nior_n
#define reffunc refmpn_nior_n
#define funcname "mpn_nior_n"
#endif

#ifdef OPERATION_xor_n
#define func __gmpn_xor_n
#define reffunc refmpn_xor_n
#define funcname "mpn_xor_n"
#endif

#ifdef OPERATION_xnor_n
#define func __gmpn_xnor_n
#define reffunc refmpn_xnor_n
#define funcname "mpn_xnor_n"
#endif

#if defined (USG) || defined (__SVR4) || defined (_UNICOS) || defined (__hpux)
#include <time.h>

int
cputime ()
{
  if (CLOCKS_PER_SEC < 100000)
    return clock () * 1000 / CLOCKS_PER_SEC;
  return clock () / (CLOCKS_PER_SEC / 1000);
}
#else
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>

int
cputime ()
{
  struct rusage rus;

  getrusage (0, &rus);
  return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
}
#endif

static void mpn_print (mp_ptr, mp_size_t);

#define M * 1000000

#ifndef CLOCK
#error "Don't know CLOCK of your machine"
#endif

#ifndef OPS
#define OPS (CLOCK/5)
#endif
#ifndef SIZE
#define SIZE 328
#endif
#ifndef TIMES
#define TIMES OPS/(SIZE+1)
#endif

int
main (int argc, char **argv)
{
  mp_ptr s1, s2, dx, dy;
  int i;
  long t0, t;
  unsigned int test;
  mp_size_t size;
  unsigned int ntests;

  s1 = malloc (SIZE * sizeof (mp_limb_t));
  s2 = malloc (SIZE * sizeof (mp_limb_t));
  dx = malloc ((SIZE + 2) * sizeof (mp_limb_t));
  dy = malloc ((SIZE + 2) * sizeof (mp_limb_t));

  ntests = ~(unsigned) 0;
  if (argc == 2)
    ntests = strtol (argv[1], 0, 0);

  for (test = 1; test <= ntests; test++)
    {
#if TIMES == 1 && ! defined (PRINT)
      if (test % (SIZE > 100000 ? 1 : 100000 / SIZE) == 0)
	{
	  printf ("\r%d", test);
	  fflush (stdout);
	}
#endif

#ifdef RANDOM
      size = random () % SIZE + 1;
#else
      size = SIZE;
#endif

      dx[0] = 0x87654321;
      dy[0] = 0x87654321;
      dx[size+1] = 0x12345678;
      dy[size+1] = 0x12345678;

#if TIMES != 1
      mpn_random (s1, size);
      mpn_random (s2, size);

      t0 = cputime();
      for (i = 0; i < TIMES; i++)
	func (dx+1, s1, s2, size);
      t = cputime() - t0;
      printf (funcname ":    %5ldms (%.3f cycles/limb)\n",
	      t, ((double) t * CLOCK) / (TIMES * size * 1000.0));
#endif

#ifndef NOCHECK
      mpn_random2 (s1, size);
      mpn_random2 (s2, size);

#ifdef PRINT
      mpn_print (s1, size);
      mpn_print (s2, size);
#endif

      /* Put garbage in the destination.  */
      for (i = 0; i < size; i++)
	{
	  dx[i+1] = 0xdead;
	  dy[i+1] = 0xbeef;
	}

      reffunc (dx+1, s1, s2, size);
      func (dy+1, s1, s2, size);
#ifdef PRINT
      mpn_print (dx+1, size);
      mpn_print (dy+1, size);
#endif
      if (mpn_cmp (dx, dy, size+2) != 0
	  || dx[0] != 0x87654321 || dx[size+1] != 0x12345678)
	{
#ifndef PRINT
	  mpn_print (dx+1, size);
	  mpn_print (dy+1, size);
#endif
	  printf ("\n");
	  if (dy[0] != 0x87654321)
	    printf ("clobbered at low end\n");
	  if (dy[size+1] != 0x12345678)
	    printf ("clobbered at high end\n");
	  printf ("TEST NUMBER %u\n", test);
	  abort();
	}
#endif
    }
  exit (0);
}

static void
mpn_print (mp_ptr p, mp_size_t size)
{
  mp_size_t i;

  for (i = size - 1; i >= 0; i--)
    {
#ifdef _LONG_LONG_LIMB
      printf ("%0*lX%0*lX", (int) (sizeof(mp_limb_t)),
	      (unsigned long) (p[i] >> (GMP_LIMB_BITS/2)),
              (int) (sizeof(mp_limb_t)), (unsigned long) (p[i]));
#else
      printf ("%0*lX", (int) (2 * sizeof(mp_limb_t)), p[i]);
#endif
#ifdef SPACE
      if (i != 0)
	printf (" ");
#endif
    }
  puts ("");
}