xref: /freebsd/lib/msun/src/e_lgamma.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
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 __FBSDID("$FreeBSD$");
17 
18 /* lgamma(x)
19  * Return the logarithm of the Gamma function of x.
20  *
21  * Method: call lgamma_r
22  */
23 
24 #include <float.h>
25 
26 #include "math.h"
27 #include "math_private.h"
28 
29 extern int signgam;
30 
31 double
32 lgamma(double x)
33 {
34 	return lgamma_r(x,&signgam);
35 }
36 
37 #if (LDBL_MANT_DIG == 53)
38 __weak_reference(lgamma, lgammal);
39 #endif
40