-/* @(#)w_lgamma.c 5.1 93/09/24 */
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-/* double lgamma(double x)
- * Return the logarithm of the Gamma function of x.
- *
- * Method: call __ieee754_lgamma_r
- */
-
-#include <math.h>
-#include <math_private.h>
-
-double
-__lgamma(double x)
-{
- int local_signgam = 0;
- double y = __ieee754_lgamma_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(x, x,
- __floor(x)==x&&x<=0.0
- ? 15 /* lgamma pole */
- : 14); /* lgamma overflow */
-
- return y;
-}
-weak_alias (__lgamma, lgamma)