mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
40 lines
1 KiB
C
40 lines
1 KiB
C
/*
|
|
Copyright (C) 2014 Fredrik Johansson
|
|
|
|
This file is part of Arb.
|
|
|
|
Arb 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 2.1 of the License, or
|
|
(at your option) any later version. See <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "acb.h"
|
|
|
|
void
|
|
acb_get_abs_ubound_arf(arf_t u, const acb_t z, slong prec)
|
|
{
|
|
if (arb_is_zero(acb_imagref(z)))
|
|
{
|
|
arb_get_abs_ubound_arf(u, acb_realref(z), prec);
|
|
}
|
|
else if (arb_is_zero(acb_realref(z)))
|
|
{
|
|
arb_get_abs_ubound_arf(u, acb_imagref(z), prec);
|
|
}
|
|
else
|
|
{
|
|
arf_t v;
|
|
arf_init(v);
|
|
|
|
arb_get_abs_ubound_arf(u, acb_realref(z), prec);
|
|
arb_get_abs_ubound_arf(v, acb_imagref(z), prec);
|
|
|
|
arf_mul(u, u, u, prec, ARF_RND_UP);
|
|
arf_mul(v, v, v, prec, ARF_RND_UP);
|
|
arf_add(u, u, v, prec, ARF_RND_UP);
|
|
arf_sqrt(u, u, prec, ARF_RND_UP);
|
|
|
|
arf_clear(v);
|
|
}
|
|
}
|