arb/fmpcb/sin_cos_pi.c
2013-03-04 11:28:53 +01:00

59 lines
1.8 KiB
C

/*=============================================================================
This file is part of ARB.
ARB is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
ARB is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ARB; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Fredrik Johansson
******************************************************************************/
#include "fmpcb.h"
void
fmpcb_sin_cos_pi(fmpcb_t s, fmpcb_t c, const fmpcb_t z, long prec)
{
#define a fmpcb_realref(z)
#define b fmpcb_imagref(z)
fmprb_t sa, ca, sb, cb;
fmprb_init(sa);
fmprb_init(ca);
fmprb_init(sb);
fmprb_init(cb);
fmprb_const_pi(sb, prec);
fmprb_mul(sb, sb, b, prec);
fmprb_sin_cos_pi(sa, ca, a, prec);
fmprb_sinh_cosh(sb, cb, sb, prec);
fmprb_mul(fmpcb_realref(s), sa, cb, prec);
fmprb_mul(fmpcb_imagref(s), sb, ca, prec);
fmprb_mul(fmpcb_realref(c), ca, cb, prec);
fmprb_mul(fmpcb_imagref(c), sa, sb, prec);
fmprb_neg(fmpcb_imagref(c), fmpcb_imagref(c));
fmprb_clear(sa);
fmprb_clear(ca);
fmprb_clear(sb);
fmprb_clear(cb);
}