91 lines
2.4 KiB
C
91 lines
2.4 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 (C) 2007, 2008 William Hart
|
|
Copyright (C) 2008 Peter Shrimpton
|
|
Copyright (C) 2010 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int main(void)
|
|
{
|
|
mp_limb_t n;
|
|
mp_limb_t res1, res2;
|
|
slong i, rep;
|
|
mpz_t mpz_n;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("nextprime....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
if (n_nextprime(0, 0) != 2)
|
|
{
|
|
flint_printf("FAIL: expected n_nextprime(0) = 2");
|
|
abort();
|
|
}
|
|
|
|
if (n_nextprime(UWORD_MAX_PRIME - 1, 0) != UWORD_MAX_PRIME)
|
|
{
|
|
flint_printf("FAIL: expected n_nextprime(UWORD_MAX_PRIME-1) = UWORD_MAX_PRIME");
|
|
abort();
|
|
}
|
|
|
|
mpz_init(mpz_n);
|
|
|
|
for (rep = 0; rep < 10000 * flint_test_multiplier(); rep++)
|
|
{
|
|
ulong bits = n_randint(state, FLINT_D_BITS-1)+1;
|
|
n = n_randtest(state) % ((UWORD(1)<<bits) - UWORD(1)) + 1;
|
|
flint_mpz_set_ui(mpz_n, n);
|
|
|
|
for (i = 0; i < 1; i++)
|
|
{
|
|
mpz_nextprime(mpz_n, mpz_n);
|
|
n = n_nextprime(n, 0);
|
|
}
|
|
|
|
res1 = n;
|
|
res2 = flint_mpz_get_ui(mpz_n);
|
|
|
|
if (res1 != res2)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
flint_printf("%wu, %wu\n", res1, res2);
|
|
abort();
|
|
}
|
|
}
|
|
|
|
mpz_clear(mpz_n);
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|