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/* w_gammal.c -- long double version of w_gamma.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif
/* long double gammal(double x)
* Return the logarithm of the Gamma function of x.
*
* Method: call gammal_r
*/
#include "math.h"
#include "math_private.h"
extern int signgam;
#ifdef __STDC__
long double __gammal(long double x)
#else
long double __gammal(x)
long double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_lgammal_r(x,&signgam);
#else
long double y;
y = __ieee754_lgammal_r(x,&signgam);
if(_LIB_VERSION == _IEEE_) return y;
if(!__finitel(y)&&__finitel(x)) {
if(__floorl(x)==x&&x<=0.0)
return __kernel_standard(x,x,241); /* gamma pole */
else
return __kernel_standard(x,x,240); /* gamma overflow */
} else
return y;
#endif
}
weak_alias (__gammal, gammal)
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