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/* 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>
float
__lgammaf(float x)
{
int local_signgam = 0;
float y = __ieee754_lgammaf_r(x,
_LIB_VERSION != _ISOC_
/* ISO C99 does not define the
global variable. */
? &signgam
: &local_signgam);
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;
}
weak_alias (__lgammaf, lgammaf)
strong_alias (__lgammaf, __gammaf)
weak_alias (__gammaf, gammaf)
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