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 <libm-alias-ldouble.h>
26 __sincosl (_Float128 x
, _Float128
*sinx
, _Float128
*cosx
)
31 GET_LDOUBLE_MSW64 (ix
, x
);
34 ix
&= 0x7fffffffffffffffLL
;
35 if (ix
<= 0x3ffe921fb54442d1LL
)
36 __kernel_sincosl (x
, 0, sinx
, cosx
, 0);
37 else if (ix
>= 0x7fff000000000000LL
)
39 /* sin(Inf or NaN) is NaN */
40 *sinx
= *cosx
= x
- x
;
46 /* Argument reduction needed. */
50 n
= __ieee754_rem_pio2l (x
, y
);
54 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
57 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
61 __kernel_sincosl (y
[0], y
[1], sinx
, cosx
, 1);
66 __kernel_sincosl (y
[0], y
[1], cosx
, sinx
, 1);
72 libm_alias_ldouble (__sincos
, sincos
)