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/*
Copyright (C) 2020 Fredrik Johansson
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 "qqbar.h"
TEST_FUNCTION_START(qqbar_csgn, state)
{
slong iter;
for (iter = 0; iter < 500 * 0.1 * flint_test_multiplier(); iter++)
{
qqbar_t x, y, z;
qqbar_init(x);
qqbar_init(y);
qqbar_init(z);
qqbar_randtest(x, state, 4, 8);
qqbar_set_si(y, qqbar_csgn(x));
if (qqbar_is_zero(x))
{
qqbar_zero(z);
}
else
{
qqbar_sqr(z, x);
qqbar_sqrt(z, z);
qqbar_div(z, z, x);
}
if (!qqbar_equal(y, z))
{
flint_printf("FAIL!\n");
flint_printf("x = "); qqbar_print(x); flint_printf("\n\n");
flint_printf("y = "); qqbar_print(y); flint_printf("\n\n");
flint_printf("z = "); qqbar_print(z); flint_printf("\n\n");
flint_abort();
}
qqbar_clear(x);
qqbar_clear(y);
qqbar_clear(z);
}
TEST_FUNCTION_END(state);
}