1 /* w_gammaf.c -- float version of w_gamma.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 * ====================================================
16 #if defined(LIBM_SCCS) && !defined(lint)
17 static char rcsid[] = "$NetBSD: w_gammaf.c,v 1.4 1995/11/20 22:06:48 jtc Exp $";
21 #include "math_private.h"
24 float __tgammaf(float x)
32 y = __ieee754_gammaf_r(x,&local_signgam);
33 if (local_signgam < 0) y = -y;
37 if(_LIB_VERSION == _IEEE_) return y;
39 if(!__finitef(y)&&__finitef(x)) {
42 return (float)__kernel_standard((double)x,(double)x,150);
43 else if(__floorf(x)==x&&x<(float)0.0)
45 return (float)__kernel_standard((double)x,(double)x,141);
47 /* tgammaf overflow */
48 return (float)__kernel_standard((double)x,(double)x,140);
53 weak_alias (__tgammaf, tgammaf)