mirror of
https://github.com/vale981/arb
synced 2025-03-05 09:21:38 -05:00
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
|
|
Copyright (C) 2012 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_sin_cos_pi(acb_t s, acb_t c, const acb_t z, slong prec)
|
|
{
|
|
#define a acb_realref(z)
|
|
#define b acb_imagref(z)
|
|
if (arb_is_zero(b))
|
|
{
|
|
arb_sin_cos_pi(acb_realref(s), acb_realref(c), a, prec);
|
|
arb_zero(acb_imagref(s));
|
|
arb_zero(acb_imagref(c));
|
|
}
|
|
else if (arb_is_zero(a))
|
|
{
|
|
arb_t t;
|
|
arb_init(t);
|
|
arb_const_pi(t, prec);
|
|
arb_mul(t, t, b, prec);
|
|
arb_sinh_cosh(acb_imagref(s), acb_realref(c), t, prec);
|
|
arb_zero(acb_realref(s));
|
|
arb_zero(acb_imagref(c));
|
|
arb_clear(t);
|
|
}
|
|
else
|
|
{
|
|
arb_t sa, ca, sb, cb;
|
|
|
|
arb_init(sa);
|
|
arb_init(ca);
|
|
arb_init(sb);
|
|
arb_init(cb);
|
|
|
|
arb_const_pi(sb, prec);
|
|
arb_mul(sb, sb, b, prec);
|
|
|
|
arb_sin_cos_pi(sa, ca, a, prec);
|
|
arb_sinh_cosh(sb, cb, sb, prec);
|
|
|
|
arb_mul(acb_realref(s), sa, cb, prec);
|
|
arb_mul(acb_imagref(s), sb, ca, prec);
|
|
|
|
arb_mul(acb_realref(c), ca, cb, prec);
|
|
arb_mul(acb_imagref(c), sa, sb, prec);
|
|
arb_neg(acb_imagref(c), acb_imagref(c));
|
|
|
|
arb_clear(sa);
|
|
arb_clear(ca);
|
|
arb_clear(sb);
|
|
arb_clear(cb);
|
|
}
|
|
#undef a
|
|
#undef b
|
|
}
|
|
|