1 /* w_acosf.c -- float version of w_acos.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
13 * ====================================================
17 static char rcsid[] = "$Id$";
25 #include "math_private.h"
29 float acosf(float x) /* wrapper acosf */
31 float acosf(x) /* wrapper acosf */
36 return __ieee754_acosf(x);
39 z = __ieee754_acosf(x);
40 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
41 if(fabsf(x)>(float)1.0) {
43 return (float)__kernel_standard((double)x,(double)x,101);