195 lines
4.3 KiB
C
195 lines
4.3 KiB
C
/*
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Copyright 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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#ifdef OPERATION_copyi
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#define func MPN_COPY_INCR
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#define reffunc refmpn_copyi
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#define funcname "MPN_COPY_INCR"
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#endif
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#ifdef OPERATION_copyd
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#define func MPN_COPY_DECR
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#define reffunc refmpn_copyd
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#define funcname "MPN_COPY_DECR"
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#endif
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#if defined (USG) || defined (__SVR4) || defined (_UNICOS) || defined (__hpux)
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#include <time.h>
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int
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cputime ()
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{
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if (CLOCKS_PER_SEC < 100000)
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return clock () * 1000 / CLOCKS_PER_SEC;
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return clock () / (CLOCKS_PER_SEC / 1000);
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}
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#else
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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int
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cputime ()
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{
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struct rusage rus;
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getrusage (0, &rus);
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return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
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}
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#endif
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static void mpn_print (mp_ptr, mp_size_t);
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#define M * 1000000
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#ifndef CLOCK
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#error "Don't know CLOCK of your machine"
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#endif
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#ifndef OPS
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#define OPS (CLOCK/2)
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#endif
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#ifndef SIZE
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#define SIZE 496
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#endif
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#ifndef TIMES
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#define TIMES OPS/(SIZE+1)
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#endif
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main (int argc, char **argv)
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{
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mp_ptr s1, dx, dy;
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int i;
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long t0, t;
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unsigned int test;
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mp_size_t size;
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unsigned int ntests;
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s1 = malloc (SIZE * sizeof (mp_limb_t));
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dx = malloc ((SIZE + 2) * sizeof (mp_limb_t));
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dy = malloc ((SIZE + 2) * sizeof (mp_limb_t));
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ntests = ~(unsigned) 0;
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if (argc == 2)
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ntests = strtol (argv[1], 0, 0);
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for (test = 1; test <= ntests; test++)
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{
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#if TIMES == 1 && ! defined (PRINT)
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if (test % (SIZE > 100000 ? 1 : 100000 / SIZE) == 0)
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{
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printf ("\r%u", test);
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fflush (stdout);
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}
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#endif
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#ifdef RANDOM
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size = random () % SIZE + 1;
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#else
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size = SIZE;
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#endif
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dx[0] = 0x87654321;
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dy[0] = 0x87654321;
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dx[size+1] = 0x12345678;
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dy[size+1] = 0x12345678;
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#if TIMES != 1
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mpn_random (s1, size);
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t0 = cputime();
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for (i = 0; i < TIMES; i++)
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func (dx+1, s1, size);
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t = cputime() - t0;
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printf (funcname ": %5ldms (%.3f cycles/limb)\n",
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t, ((double) t * CLOCK) / (TIMES * size * 1000.0));
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#endif
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#ifndef NOCHECK
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mpn_random2 (s1, size);
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#ifdef PRINT
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mpn_print (s1, size);
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#endif
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/* Put garbage in the destination. */
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for (i = 0; i < size; i++)
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{
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dx[i+1] = 0xdead;
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dy[i+1] = 0xbeef;
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}
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reffunc (dx+1, s1, size);
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func (dy+1, s1, size);
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#ifdef PRINT
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mpn_print (dx+1, size);
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mpn_print (dy+1, size);
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#endif
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if (mpn_cmp (dx, dy, size+2) != 0
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|| dx[0] != 0x87654321 || dx[size+1] != 0x12345678)
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{
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#ifndef PRINT
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mpn_print (dx+1, size);
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mpn_print (dy+1, size);
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#endif
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printf ("\n");
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if (dy[0] != 0x87654321)
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printf ("clobbered at low end\n");
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if (dy[size+1] != 0x12345678)
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printf ("clobbered at high end\n");
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printf ("TEST NUMBER %u\n", test);
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abort();
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}
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#endif
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}
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exit (0);
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}
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static void
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mpn_print (mp_ptr p, mp_size_t size)
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{
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mp_size_t i;
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for (i = size - 1; i >= 0; i--)
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{
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#ifdef _LONG_LONG_LIMB
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printf ("%0*lX%0*lX", (int) (sizeof(mp_limb_t)),
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(unsigned long) (p[i] >> (BITS_PER_MP_LIMB/2)),
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(int) (sizeof(mp_limb_t)), (unsigned long) (p[i]));
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#else
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printf ("%0*lX", (int) (2 * sizeof(mp_limb_t)), p[i]);
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#endif
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#ifdef SPACE
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if (i != 0)
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printf (" ");
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#endif
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}
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puts ("");
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}
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