1 /* Compute sine and cosine of argument.
2 Copyright (C) 1997-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
22 #include <math_private.h>
23 #include <math_ldbl_opt.h>
26 __sincosl (long double x
, long double *sinx
, long double *cosx
)
33 EXTRACT_WORDS64 (ix
, xhi
);
36 ix
&= 0x7fffffffffffffffLL
;
37 if (ix
<= 0x3fe921fb54442d10LL
)
38 __kernel_sincosl (x
, 0.0L, sinx
, cosx
, 0);
39 else if (ix
>= 0x7ff0000000000000LL
)
41 /* sin(Inf or NaN) is NaN */
42 *sinx
= *cosx
= x
- x
;
48 /* Argument reduction needed. */
52 n
= __ieee754_rem_pio2l (x
, y
);
56 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
59 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
63 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
68 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
74 long_double_symbol (libm
, __sincosl
, sincosl
);