59b19ff14a
- float ynf(int n, float x) /* wrapper ynf */ +float +ynf(int n, float x) /* wrapper ynf */ This is because the __STDC__ stuff was indented. Reviewed by: md5
39 lines
832 B
C
39 lines
832 B
C
/* @(#)w_acosh.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char rcsid[] = "$FreeBSD$";
|
|
#endif
|
|
|
|
/*
|
|
* wrapper acosh(x)
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
double
|
|
acosh(double x) /* wrapper acosh */
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_acosh(x);
|
|
#else
|
|
double z;
|
|
z = __ieee754_acosh(x);
|
|
if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
|
|
if(x<1.0) {
|
|
return __kernel_standard(x,x,29); /* acosh(x<1) */
|
|
} else
|
|
return z;
|
|
#endif
|
|
}
|