xref: /freebsd/lib/msun/src/e_lgamma.c (revision 61ba55bcf70f2340f9c943c9571113b3fd8eda69)
1 
2 /* @(#)e_lgamma.c 1.3 95/01/18 */
3 /*
4  * ====================================================
5  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6  *
7  * Developed at SunSoft, a Sun Microsystems, Inc. business.
8  * Permission to use, copy, modify, and distribute this
9  * software is freely granted, provided that this notice
10  * is preserved.
11  * ====================================================
12  *
13  */
14 
15 #include <sys/cdefs.h>
16 /* lgamma(x)
17  * Return the logarithm of the Gamma function of x.
18  *
19  * Method: call lgamma_r
20  */
21 
22 #include <float.h>
23 
24 #include "math.h"
25 #include "math_private.h"
26 
27 extern int signgam;
28 
29 double
30 lgamma(double x)
31 {
32 	return lgamma_r(x,&signgam);
33 }
34 
35 #if (LDBL_MANT_DIG == 53)
36 __weak_reference(lgamma, lgammal);
37 #endif
38