1 /* w_gammal.c -- long double version of w_gamma.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 gammal(double x)
22 * Return the Gamma function of x.
26 #include "math_private.h"
29 long double __tgammal(long double x)
31 long double __tgammal(x)
37 y = __ieee754_gammal_r(x,&local_signgam);
38 if (local_signgam < 0) y = -y;
42 if(_LIB_VERSION == _IEEE_) return y;
44 if(!__finitel(y)&&__finitel(x)) {
46 return __kernel_standard(x,x,250); /* tgamma pole */
47 else if(__floorl(x)==x&&x<0.0)
48 return __kernel_standard(x,x,241); /* tgamma domain */
50 return __kernel_standard(x,x,240); /* tgamma overflow */
55 weak_alias (__tgammal, tgammal)