pqc/external/flint-2.4.3/ulong_extras/profile/p-is_probabprime_BPSW.c
2014-05-24 23:16:06 +02:00

82 lines
2.1 KiB
C

/*=============================================================================
This file is part of FLINT.
FLINT 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 2 of the License, or
(at your option) any later version.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright 2009 William Hart
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "profiler.h"
#include "flint.h"
#include "ulong_extras.h"
typedef struct
{
ulong bits;
} BPSW_t;
void sample(void * arg, ulong count)
{
BPSW_t * params = (BPSW_t *) arg;
ulong bits = params->bits;
ulong i;
mp_limb_t n, d, r, norm;
double dpre;
FLINT_TEST_INIT(state);
for (i = 0; i < count; i++)
{
int j, res = 1;
d = n_randbits(state, bits);
while (!n_is_prime(d)) d++;
prof_start();
for (j = 0; j < 1000000; j++)
res &= n_is_probabprime_BPSW(d);
prof_stop();
if (!res) flint_printf("Error\n");
}
flint_randclear(state);
}
int main(void)
{
double min, max;
BPSW_t params;
int i;
flint_printf("is_probabprime_BPSW:\n");
for (i = 1; i <= 64; i++)
{
params.bits = i;
prof_repeat(&min, &max, sample, &params);
flint_printf("bits = %d, min time is %.3f cycles, max time is %.3f cycles\n",
i, (min/(double)FLINT_CLOCK_SCALE_FACTOR)/1000000, (max/(double)FLINT_CLOCK_SCALE_FACTOR)/1000000);
}
return 0;
}