/* w_lgammaf.c -- float version of w_lgamma.c.

 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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.

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

 */

#include <math.h>

#include <math_private.h>

#include <math-svid-compat.h>

#include <libm-alias-float.h>

#include <lgamma-compat.h>

#if BUILD_LGAMMA

float

LGFUNC (__lgammaf) (float x)

{

	float y = CALL_LGAMMA (float, __ieee754_lgammaf_r, x);

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

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

		return __kernel_standard_f(x, x,

					   __floorf(x)==x&&x<=0.0f

					   ? 115 /* lgamma pole */

					   : 114); /* lgamma overflow */

	return y;

}

# if USE_AS_COMPAT

compat_symbol (libm, __lgammaf_compat, lgammaf, LGAMMA_OLD_VER);

# else

versioned_symbol (libm, __lgammaf, lgammaf, LGAMMA_NEW_VER);

libm_alias_float_other (__lgamma, lgamma)

# endif

# if GAMMA_ALIAS

strong_alias (LGFUNC (__lgammaf), __gammaf)

weak_alias (__gammaf, gammaf)

# endif

#endif