64 lines
1.9 KiB
C
64 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 (C) 2010 Fredrik Johansson
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include "flint.h"
|
||
|
|
#include "ulong_extras.h"
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
|
||
|
|
FLINT_TEST_INIT(state);
|
||
|
|
|
||
|
|
flint_printf("prime_pi....");
|
||
|
|
fflush(stdout);
|
||
|
|
|
||
|
|
for (n=1; n<10000 * FLINT_MIN(10, flint_test_multiplier()); n++)
|
||
|
|
{
|
||
|
|
if ((n_prime_pi(n-1)+1 == n_prime_pi(n)) != n_is_prime(n))
|
||
|
|
{
|
||
|
|
flint_printf("FAIL:\n");
|
||
|
|
flint_printf("expected pi(%d) + 1 = pi(%d)\n", n-1, n);
|
||
|
|
abort();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for (n=1; n<5000 * FLINT_MIN(10, flint_test_multiplier()); n++)
|
||
|
|
{
|
||
|
|
if (n_prime_pi(n_nth_prime(n)) != n)
|
||
|
|
{
|
||
|
|
flint_printf("FAIL:\n");
|
||
|
|
flint_printf("expected pi(prime(%d)) = %d\n", n, n);
|
||
|
|
abort();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
FLINT_TEST_CLEANUP(state);
|
||
|
|
flint_printf("PASS\n");
|
||
|
|
return 0;
|
||
|
|
}
|