1 /* @(#)wr_gamma.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 * ====================================================
14 static char rcsid[] = "$FreeBSD$";
18 * wrapper double gamma_r(double x, int *signgamp)
22 #include "math_private.h"
26 double gamma_r(double x, int *signgamp) /* wrapper lgamma_r */
28 double gamma_r(x,signgamp) /* wrapper lgamma_r */
29 double x; int *signgamp;
33 return __ieee754_gamma_r(x,signgamp);
36 y = __ieee754_gamma_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,41); /* gamma pole */
42 return __kernel_standard(x,x,40); /* gamma overflow */