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/*
Copyright (C) 2009 William Hart
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "test_helpers.h"
#include "ulong_extras.h"
TEST_FUNCTION_START(n_factor_partial, state)
{
int i, j, result;
for (i = 0; i < 1000 * flint_test_multiplier(); i++) /* Test random numbers */
{
ulong n1, n2, prod, limit;
n_factor_t factors;
n_factor_init(&factors);
n1 = n_randtest_not_zero(state);
limit = n_sqrt(n1);
n2 = n_factor_partial(&factors, n1, limit, 0);
prod = 1;
for (j = 0; j < factors.num; j++)
{
prod *= n_pow(factors.p[j], factors.exp[j]);
}
result = ((n1 == n2 * prod) && ((prod > limit) || (n1 == 1)));
if (!result)
TEST_FUNCTION_FAIL("n1 = %wu, n2 = %wu\n", n1, n2);
}
TEST_FUNCTION_END(state);
}