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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>
#include <math-svid-compat.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);
# endif
# if GAMMA_ALIAS
strong_alias (LGFUNC (__lgammaf), __gammaf)
weak_alias (__gammaf, gammaf)
# endif
#endif
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