1
2 /*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunSoft, 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
14 /* gamma(x)
15 * Return the logarithm of the Gamma function of x.
16 *
17 * Method: call gamma_r
18 */
19
20 #include "math.h"
21 #include "math_private.h"
22
23 extern int signgam;
24
25 double
gamma(double x)26 gamma(double x)
27 {
28 return gamma_r(x,&signgam);
29 }
30