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/*
Copyright (C) 2023 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 "arb.h"
void
arb_nint(arb_t z, const arb_t x, slong prec)
{
if (!arb_is_finite(x))
{
arb_indeterminate(z);
}
else if (arb_is_exact(x))
{
arf_nint(arb_midref(z), arb_midref(x));
mag_zero(arb_radref(z));
arb_set_round(z, z, prec);
}
else
{
arf_t a, b;
arf_init(a);
arf_init(b);
arb_get_interval_arf(a, b, x, prec);
arf_nint(a, a);
arf_nint(b, b);
arb_set_interval_arf(z, a, b, prec);
arf_clear(a);
arf_clear(b);
}
}