44 lines
1016 B
C
44 lines
1016 B
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)
|