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/* w_acosf.c -- float version of w_acos.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.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: w_acosf.c,v 1.3 1995/05/10 20:48:29 jtc Exp $";
#endif
/*
* wrap_acosf(x)
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
float __acosf(float x) /* wrapper acosf */
#else
float __acosf(x) /* wrapper acosf */
float x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_acosf(x);
#else
float z;
z = __ieee754_acosf(x);
if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
if(fabsf(x)>(float)1.0) {
/* acosf(|x|>1) */
return (float)__kernel_standard((double)x,(double)x,101);
} else
return z;
#endif
}
weak_alias (__acosf, acosf)
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