/*
Copyright (C) 2023 Jean Kieffer
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 "acb.h"
void
acb_sqrts(acb_t y1, acb_t y2, const acb_t x, slong prec)
{
if (acb_contains_zero(x))
{
acb_sqrt(y1, x, prec);
acb_neg(y2, y1);
acb_union(y1, y1, y2, prec);
acb_set(y2, y1);
}
else if (arb_contains_zero(acb_imagref(x)) && arb_is_negative(acb_realref(x)))
{
acb_neg(y1, x);
acb_sqrt(y1, y1, prec);
acb_mul_onei(y1, y1);
acb_neg(y2, y1);
}
else
{
acb_sqrt(y1, x, prec);
acb_neg(y2, y1);
}
}