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/*
Copyright 1996, 1998, 1999, 2000, 2001, 2004, 2007, 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_lshift
#define func __gmpn_lshift
#define reffunc refmpn_lshift
#define funcname "mpn_lshift"
#endif
#ifdef OPERATION_rshift
#define func __gmpn_rshift
#define reffunc refmpn_rshift
#define funcname "mpn_rshift"
#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 496
#endif
#ifndef TIMES
#define TIMES OPS/(SIZE+1)
#endif
#ifndef CNT
int CNT = 4;
#endif
int
main (int argc, char **argv)
{
mp_ptr s1, dx, dy;
mp_limb_t cyx, cyy;
int i;
long t0, t;
unsigned int test;
int cnt = CNT;
mp_size_t size;
unsigned int ntests;
s1 = 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%u", test);
fflush (stdout);
}
#endif
#if TIMES == 1
cnt = random () % (GMP_NUMB_BITS - 1) + 1;
#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);
t0 = cputime();
for (i = 0; i < TIMES; i++)
func (dx+1, s1, size, cnt);
t = cputime() - t0;
printf (funcname ": %5ldms (%.3f cycles/limb)\n",
t, ((double) t * CLOCK) / (TIMES * size * 1000.0));
#endif
#ifndef NOCHECK
mpn_random (s1, size);
#ifdef PRINT
printf ("cnt=%-*d ", (int) (2 * sizeof(mp_limb_t)) - 4, cnt);
mpn_print (s1, size);
#endif
/* Put garbage in the destination. */
for (i = 0; i < size; i++)
{
dx[i+1] = 0xdead;
dy[i+1] = 0xbeef;
}
cyx = reffunc (dx+1, s1, size, cnt);
cyy = func (dy+1, s1, size, cnt);
#ifdef PRINT
mpn_print (&cyx, 1);
mpn_print (dx+1, size);
mpn_print (&cyy, 1);
mpn_print (dy+1, size);
#endif
if (cyx != cyy || mpn_cmp (dx, dy, size+2) != 0
|| dx[0] != 0x87654321 || dx[size+1] != 0x12345678)
{
#ifndef PRINT
mpn_print (&cyx, 1);
mpn_print (dx+1, size);
mpn_print (&cyy, 1);
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 ("");
}
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