144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
/*
|
|
Copyright 1996, 1997, 1998, 2000, 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 2.1 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; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
|
|
#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
|
|
|
|
#define M * 1000000
|
|
|
|
#ifndef CLOCK
|
|
#if defined (__m88k__)
|
|
#define CLOCK 20 M
|
|
#elif defined (__i386__)
|
|
#define CLOCK (16666667)
|
|
#elif defined (__m68k__)
|
|
#define CLOCK (20 M)
|
|
#elif defined (_IBMR2)
|
|
#define CLOCK (25 M)
|
|
#elif defined (__sparc__)
|
|
#define CLOCK (20 M)
|
|
#elif defined (__sun__)
|
|
#define CLOCK (20 M)
|
|
#elif defined (__mips)
|
|
#define CLOCK (40 M)
|
|
#elif defined (__hppa__)
|
|
#define CLOCK (50 M)
|
|
#elif defined (__alpha)
|
|
#define CLOCK (133 M)
|
|
#else
|
|
#error "Don't know CLOCK of your machine"
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef OPS
|
|
#define OPS 20000000
|
|
#endif
|
|
#ifndef SIZE
|
|
#define SIZE 100
|
|
#endif
|
|
#ifndef TIMES
|
|
#define TIMES OPS/SIZE
|
|
#else
|
|
#undef OPS
|
|
#define OPS (SIZE*TIMES)
|
|
#endif
|
|
|
|
main ()
|
|
{
|
|
mp_limb_t nptr[2 * SIZE];
|
|
mp_limb_t dptr[2 * SIZE];
|
|
mp_limb_t qptr[2 * SIZE];
|
|
mp_limb_t pptr[2 * SIZE + 1];
|
|
mp_limb_t rptr[2 * SIZE];
|
|
mp_size_t nsize, dsize, qsize, rsize, psize;
|
|
int test;
|
|
mp_limb_t qlimb;
|
|
|
|
for (test = 0; ; test++)
|
|
{
|
|
printf ("%d\n", test);
|
|
#ifdef RANDOM
|
|
nsize = random () % (2 * SIZE) + 1;
|
|
dsize = random () % nsize + 1;
|
|
#else
|
|
nsize = 2 * SIZE;
|
|
dsize = SIZE;
|
|
#endif
|
|
|
|
mpn_random2 (nptr, nsize);
|
|
mpn_random2 (dptr, dsize);
|
|
dptr[dsize - 1] |= (mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1);
|
|
|
|
MPN_COPY (rptr, nptr, nsize);
|
|
qlimb = mpn_divrem (qptr, (mp_size_t) 0, rptr, nsize, dptr, dsize);
|
|
rsize = dsize;
|
|
qsize = nsize - dsize;
|
|
qptr[qsize] = qlimb;
|
|
qsize += qlimb;
|
|
if (qsize == 0 || qsize > 2 * SIZE)
|
|
{
|
|
continue; /* bogus */
|
|
}
|
|
else
|
|
{
|
|
mp_limb_t cy;
|
|
if (qsize > dsize)
|
|
mpn_mul (pptr, qptr, qsize, dptr, dsize);
|
|
else
|
|
mpn_mul (pptr, dptr, dsize, qptr, qsize);
|
|
psize = qsize + dsize;
|
|
psize -= pptr[psize - 1] == 0;
|
|
cy = mpn_add (pptr, pptr, psize, rptr, rsize);
|
|
pptr[psize] = cy;
|
|
psize += cy;
|
|
}
|
|
|
|
if (nsize != psize || mpn_cmp (nptr, pptr, nsize) != 0)
|
|
abort ();
|
|
}
|
|
}
|