]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/ieee754/ldbl-128/s_sincosl.c
9130cdf2f898a08343769107f7a8c1bd0ab40260
1 /* Compute sine and cosine of argument.
2 Copyright (C) 1997-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
5 Jakub Jelinek <jj@ultra.linux.cz>.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <http://www.gnu.org/licenses/>. */
24 #include <math_private.h>
27 __sincosl (_Float128 x
, _Float128
*sinx
, _Float128
*cosx
)
32 GET_LDOUBLE_MSW64 (ix
, x
);
35 ix
&= 0x7fffffffffffffffLL
;
36 if (ix
<= 0x3ffe921fb54442d1LL
)
37 __kernel_sincosl (x
, 0.0L, sinx
, cosx
, 0);
38 else if (ix
>= 0x7fff000000000000LL
)
40 /* sin(Inf or NaN) is NaN */
41 *sinx
= *cosx
= x
- x
;
47 /* Argument reduction needed. */
51 n
= __ieee754_rem_pio2l (x
, y
);
55 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
58 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
62 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
67 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
73 weak_alias (__sincosl
, sincosl
)