glibc/math/w_sinh.c
2005-12-14 15:06:39 +00:00

48 lines
1.1 KiB
C

/* @(#)w_sinh.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: w_sinh.c,v 1.6 1995/05/10 20:49:51 jtc Exp $";
#endif
/*
* wrapper sinh(x)
*/
#include <math.h>
#include "math_private.h"
#ifdef __STDC__
double __sinh(double x) /* wrapper sinh */
#else
double __sinh(x) /* wrapper sinh */
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_sinh(x);
#else
double z;
z = __ieee754_sinh(x);
if(_LIB_VERSION == _IEEE_) return z;
if(!__finite(z)&&__finite(x)) {
return __kernel_standard(x,x,25); /* sinh overflow */
} else
return z;
#endif
}
weak_alias (__sinh, sinh)
#ifdef NO_LONG_DOUBLE
strong_alias (__sinh, __sinhl)
weak_alias (__sinh, sinhl)
#endif