1/* w_gammaf_r.c -- float version of w_gamma_r.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
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
12 * is preserved.
13 * ====================================================
14 */
15
16#include <sys/cdefs.h>
17#if defined(LIBM_SCCS) && !defined(lint)
18__RCSID("$NetBSD: w_gammaf_r.c,v 1.7 2001/01/06 00:15:00 christos Exp $");
19#endif
20
21/*
22 * wrapper float gammaf_r(float x, int *signgamp)
23 */
24
25#include "math.h"
26#include "math_private.h"
27
28float
29gammaf_r(float x, int *signgamp) /* wrapper lgammaf_r */
30{
31#ifdef _IEEE_LIBM
32	return __ieee754_lgammaf_r(x,signgamp);
33#else
34        float y;
35        y = __ieee754_lgammaf_r(x,signgamp);
36        if(_LIB_VERSION == _IEEE_) return y;
37        if(!finitef(y)&&finitef(x)) {
38            if(floorf(x)==x&&x<=(float)0.0)
39	        /* gammaf pole */
40                return (float)__kernel_standard((double)x,(double)x,141);
41            else
42	        /* gamma overflow */
43                return (float)__kernel_standard((double)x,(double)x,140);
44        } else
45            return y;
46#endif
47}
48