1 /* @(#)w_sinh.c 5.1 93/09/24 */
2 /*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13 /*
14 * wrapper sinh(x)
15 */
16
17 #include <math.h>
18 #include "math_private.h"
19
20 double
sinh(double x)21 sinh (double x)
22 {
23 #if defined(__UCLIBC_HAS_FENV__)
24 double z = __ieee754_sinh (x);
25 if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
26 && _LIB_VERSION != _IEEE_)
27 return __kernel_standard (x, x, 25); /* sinh overflow */
28
29 return z;
30 #else
31 return __ieee754_sinh (x);
32 #endif
33 }
34 libm_hidden_def(sinh)
35