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/*
Copyright (C) 2009, 2015 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_div2_preinv, state)
{
int i, result;
for (i = 0; i < 100000 * flint_test_multiplier(); i++)
{
ulong d, dinv, n, q1, q2;
d = n_randtest_not_zero(state);
n = n_randtest(state);
dinv = n_preinvert_limb(d);
q1 = n_div2_preinv(n, d, dinv);
q2 = n / d;
result = (q1 == q2);
if (!result)
TEST_FUNCTION_FAIL(
"n = %wu, d = %wu, dinv = %wu\n"
"q1 = %wu, q2 = %wu\n",
n, d, dinv, q1, q2);
}
TEST_FUNCTION_END(state);
}