1 /* w_lgammal.c -- long double version of w_lgamma.c.
2 * Conversion to long double by Ulrich Drepper,
3 * Cygnus Support, drepper@cygnus.com.
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
14 * ====================================================
17 #if defined(LIBM_SCCS) && !defined(lint)
18 static char rcsid
[] = "$NetBSD: $";
21 /* long double lgammal(long double x)
22 * Return the logarithm of the Gamma function of x.
24 * Method: call __ieee754_lgammal_r
28 #include "math_private.h"
33 long double __lgammal(long double x
)
35 long double __lgammal(x
)
40 return __ieee754_lgammal_r(x
,&signgam
);
43 y
= __ieee754_lgammal_r(x
,&signgam
);
44 if(_LIB_VERSION
== _IEEE_
) return y
;
45 if(!__finitel(y
)&&__finitel(x
)) {
46 if(__floorl(x
)==x
&&x
<=0.0)
47 return __kernel_standard(x
,x
,215); /* lgamma pole */
49 return __kernel_standard(x
,x
,214); /* lgamma overflow */
54 weak_alias (__lgammal
, lgammal
)