xref: /freebsd/lib/msun/src/e_lgamma.c (revision 525fe93dc7487a1e63a90f6a2b956abc601963c1)
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 #include <sys/cdefs.h>
15 /* lgamma(x)
16  * Return the logarithm of the Gamma function of x.
17  *
18  * Method: call lgamma_r
19  */
20 
21 #include <float.h>
22 
23 #include "math.h"
24 #include "math_private.h"
25 
26 extern int signgam;
27 
28 double
29 lgamma(double x)
30 {
31 	return lgamma_r(x,&signgam);
32 }
33 
34 #if (LDBL_MANT_DIG == 53)
35 __weak_reference(lgamma, lgammal);
36 #endif
37