72 lines
1.9 KiB
C
72 lines
1.9 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 2012 William Hart
|
||
|
|
||
|
******************************************************************************/
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include "profiler.h"
|
||
|
#include "flint.h"
|
||
|
#include "ulong_extras.h"
|
||
|
|
||
|
int main(void)
|
||
|
{
|
||
|
ulong c;
|
||
|
ulong B1;
|
||
|
mp_limb_t n, p;
|
||
|
|
||
|
FLINT_TEST_INIT(state);
|
||
|
|
||
|
|
||
|
while(1)
|
||
|
{
|
||
|
flint_printf("Enter number to be factored: "); fflush(stdout);
|
||
|
if (!flint_scanf("%wu", &n))
|
||
|
{
|
||
|
flint_printf("Read failed\n");
|
||
|
abort();
|
||
|
}
|
||
|
|
||
|
flint_printf("Enter B1: "); fflush(stdout);
|
||
|
if (!flint_scanf("%wu", &B1))
|
||
|
{
|
||
|
flint_printf("Read failed\n");
|
||
|
abort();
|
||
|
}
|
||
|
|
||
|
do
|
||
|
{
|
||
|
c = n_randint(state, n);
|
||
|
} while (c <= UWORD(2));
|
||
|
|
||
|
p = n_factor_pp1(n, B1, c);
|
||
|
if (p >= 2)
|
||
|
flint_printf("Factor: %wu\n", p);
|
||
|
else
|
||
|
flint_printf("Factor not found!\n");
|
||
|
} while(1);
|
||
|
|
||
|
flint_randclear(state);
|
||
|
|
||
|
return 0;
|
||
|
}
|