/* w_lgammal.c -- long double version of w_lgamma.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.

 * ====================================================

 */

/* long double lgammal(long double x)

 * Return the logarithm of the Gamma function of x.

 *

 * Method: call __ieee754_lgammal_r

 */

#include <math.h>

#include <math_private.h>

#include <math-svid-compat.h>

#include <libm-alias-ldouble.h>

#include <lgamma-compat.h>

#if BUILD_LGAMMA

long double

LGFUNC (__lgammal) (long double x)

{

	long double y = CALL_LGAMMA (long double, __ieee754_lgammal_r, x);

	if(__builtin_expect(!isfinite(y), 0)

	   && isfinite(x) && _LIB_VERSION != _IEEE_)

		return __kernel_standard_l(x, x,

					   __floorl(x)==x&&x<=0.0L

					   ? 215 /* lgamma pole */

					   : 214); /* lgamma overflow */

	return y;

}

# if USE_AS_COMPAT

compat_symbol (libm, __lgammal_compat, lgammal, LGAMMA_OLD_VER);

# else

versioned_symbol (libm, __lgammal, lgammal, LGAMMA_NEW_VER);

libm_alias_ldouble_other (__lgamma, lgamma)

# endif

# if GAMMA_ALIAS

strong_alias (LGFUNC (__lgammal), __gammal)

weak_alias (__gammal, gammal)

# endif

#endif