0dc9e0996a
As the current libc includes a libm implementation, with the new libc this is needed. Unneeded (for the moment) archs have been removed.
44 lines
1 KiB
C
44 lines
1 KiB
C
/* w_acoshf.c -- float version of w_acosh.c.
|
|
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
|
|
*/
|
|
|
|
/*
|
|
* ====================================================
|
|
* 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.
|
|
* ====================================================
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBM_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: w_acoshf.c,v 1.6 2002/05/26 22:01:59 wiz Exp $");
|
|
#endif
|
|
|
|
/*
|
|
* wrapper acoshf(x)
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
float
|
|
acoshf(float x) /* wrapper acoshf */
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_acoshf(x);
|
|
#else
|
|
float z;
|
|
z = __ieee754_acoshf(x);
|
|
if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
|
|
if(x<(float)1.0) {
|
|
/* acosh(x<1) */
|
|
return (float)__kernel_standard((double)x,(double)x,129);
|
|
} else
|
|
return z;
|
|
#endif
|
|
}
|