1 /* w_atan2f.c -- float version of w_atan2.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
4 * $FreeBSD: src/lib/msun/src/w_atan2f.c,v 1.5 1999/08/28 00:06:58 peter Exp $
5 * $DragonFly: src/lib/msun/src/Attic/w_atan2f.c,v 1.2 2003/06/17 04:26:53 dillon Exp $
9 * ====================================================
10 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
12 * Developed at SunPro, a Sun Microsystems, Inc. business.
13 * Permission to use, copy, modify, and distribute this
14 * software is freely granted, provided that this notice
16 * ====================================================
24 #include "math_private.h"
28 float atan2f(float y, float x) /* wrapper atan2f */
30 float atan2f(y,x) /* wrapper atan2 */
35 return __ieee754_atan2f(y,x);
38 z = __ieee754_atan2f(y,x);
39 if(_LIB_VERSION == _IEEE_||isnanf(x)||isnanf(y)) return z;
40 if(x==(float)0.0&&y==(float)0.0) {
42 return (float)__kernel_standard((double)y,(double)x,103);