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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_lll_mod_preinv, state)
{
int i, result;
/* test n_lll_mod_preinv against n_ll_mod_preinv */
for (i = 0; i < 100000 * flint_test_multiplier(); i++)
{
ulong d, dinv, nh, nm, nl, r1, r2, rm;
d = n_randtest_not_zero(state);
nh = n_randtest(state) % d;
nm = n_randtest(state);
nl = n_randtest(state);
dinv = n_preinvert_limb(d);
r2 = n_lll_mod_preinv(nh, nm, nl, d, dinv);
rm = n_ll_mod_preinv(nh, nm, d, dinv);
r1 = n_ll_mod_preinv(rm, nl, d, dinv);
result = (r1 == r2);
if (!result)
TEST_FUNCTION_FAIL(
"nh = %wu, nm = %wd, nl = %wu, d = %wu, dinv = %wu\n"
"r1 = %wu, r2 = %wu\n",
nh, nm, nl, d, dinv, r1, r2);
}
TEST_FUNCTION_END(state);
}