Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: android-1.6_r1…
Fetching contributors…

Cannot retrieve contributors at this time

47 lines (41 sloc) 1.159 kb
/* @(#)w_lgamma.c 1.3 95/01/18 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*
*/
/* double ieee_lgamma(double x)
* Return the logarithm of the Gamma function of x.
*
* Method: call __ieee754_lgamma_r
*/
#include "fdlibm.h"
extern int signgam;
#ifdef __STDC__
double ieee_lgamma(double x)
#else
double ieee_lgamma(x)
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_lgamma_r(x,&signgam);
#else
double y;
y = __ieee754_lgamma_r(x,&signgam);
if(_LIB_VERSION == _IEEE_) return y;
if(!ieee_finite(y)&&ieee_finite(x)) {
if(ieee_floor(x)==x&&x<=0.0)
return __kernel_standard(x,x,15); /* lgamma pole */
else
return __kernel_standard(x,x,14); /* lgamma overflow */
} else
return y;
#endif
}
Jump to Line
Something went wrong with that request. Please try again.