1 /* @(#)w_gamma.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 /* double gamma(double x)
14 * Return the logarithm of the Gamma function of x.
15 *
16 * Method: call gamma_r
17 */
18
19 #include "math.h"
20 #include "math_private.h"
21
22 double
gamma(double x)23 gamma(double x)
24 {
25 return lgamma_r(x,&signgam);
26 }
27