1 /* @(#)wr_lgamma.c 5.1 93/09/24 */
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
10 * ====================================================
12 * $FreeBSD: src/lib/msun/src/w_lgamma_r.c,v 1.5 1999/08/28 00:07:05 peter Exp $
13 * $DragonFly: src/lib/msun/src/Attic/w_lgamma_r.c,v 1.2 2003/06/17 04:26:53 dillon Exp $
17 * wrapper double lgamma_r(double x, int *signgamp)
21 #include "math_private.h"
25 double lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
27 double lgamma_r(x,signgamp) /* wrapper lgamma_r */
28 double x; int *signgamp;
32 return __ieee754_lgamma_r(x,signgamp);
35 y = __ieee754_lgamma_r(x,signgamp);
36 if(_LIB_VERSION == _IEEE_) return y;
37 if(!finite(y)&&finite(x)) {
38 if(floor(x)==x&&x<=0.0)
39 return __kernel_standard(x,x,15); /* lgamma pole */
41 return __kernel_standard(x,x,14); /* lgamma overflow */