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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 #include <LibConfig.h>
13 #include <sys/EfiCdefs.h>
14 #if defined(LIBM_SCCS) && !defined(lint)
15 __RCSID("$NetBSD: w_sinh.c,v 1.9 2002/05/26 22:02:03 wiz Exp $");
16 #endif
17
18 /*
19 * wrapper sinh(x)
20 */
21
22 #include "math.h"
23 #include "math_private.h"
24
25 double
26 sinh(double x) /* wrapper sinh */
27 {
28 #ifdef _IEEE_LIBM
29 return __ieee754_sinh(x);
30 #else
31 double z;
32 z = __ieee754_sinh(x);
33 if(_LIB_VERSION == _IEEE_) return z;
34 if(!finite(z)&&finite(x)) {
35 return __kernel_standard(x,x,25); /* sinh overflow */
36 } else
37 return z;
38 #endif
39 }