1 /* Compute sine and cosine of argument.
2 Copyright (C) 1997,1999,2004,2006 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, write to the Free
19 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include "math_private.h"
25 #include <math_ldbl_opt.h>
28 __sincosl (long double x
, long double *sinx
, long double *cosx
)
33 GET_LDOUBLE_MSW64 (ix
, x
);
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
;
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 long_double_symbol (libm
, __sincosl
, sincosl
);