1/* @(#)wr_lgamma.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#if defined(LIBM_SCCS) && !defined(lint)
14static char rcsid[] = "$NetBSD: w_lgamma_r.c,v 1.6 1995/05/10 20:49:27 jtc Exp $";
15#endif
16
17/*
18 * wrapper double lgamma_r(double x, int *signgamp)
19 */
20
21#include "math.h"
22#include "math_private.h"
23
24
25#ifdef __STDC__
26	double __lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
27#else
28	double __lgamma_r(x,signgamp)              /* wrapper lgamma_r */
29        double x; int *signgamp;
30#endif
31{
32#ifdef _IEEE_LIBM
33	return __ieee754_lgamma_r(x,signgamp);
34#else
35        double y;
36        y = __ieee754_lgamma_r(x,signgamp);
37        if(_LIB_VERSION == _IEEE_) return y;
38        if(!__finite(y)&&__finite(x)) {
39            if(__floor(x)==x&&x<=0.0)
40                return __kernel_standard(x,x,15); /* lgamma pole */
41            else
42                return __kernel_standard(x,x,14); /* lgamma overflow */
43        } else
44            return y;
45#endif
46}
47weak_alias (__lgamma_r, lgamma_r)
48#ifdef NO_LONG_DOUBLE
49strong_alias (__lgamma_r, __lgammal_r)
50weak_alias (__lgamma_r, lgammal_r)
51#endif
52