/*
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009 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 <stdlib.h>
#include <stdio.h>
#include "gmp.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] >> (BITS_PER_MP_LIMB/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 ("");
}
