1 /* Compute sine and cosine of argument.
2 Copyright (C) 1997-2015 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>
25 #include <math_ldbl_opt.h>
28 __sincosl (long double x
, long double *sinx
, long double *cosx
)
35 EXTRACT_WORDS64 (ix
, xhi
);
38 ix
&= 0x7fffffffffffffffLL
;
39 if (ix
<= 0x3fe921fb54442d10LL
)
40 __kernel_sincosl (x
, 0.0L, sinx
, cosx
, 0);
41 else if (ix
>= 0x7ff0000000000000LL
)
43 /* sin(Inf or NaN) is NaN */
44 *sinx
= *cosx
= x
- x
;
50 /* Argument reduction needed. */
54 n
= __ieee754_rem_pio2l (x
, y
);
58 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
61 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
65 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
70 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
76 long_double_symbol (libm
, __sincosl
, sincosl
);