33 lines
772 B
C
33 lines
772 B
C
|
|
||
|
|
/* @(#)er_gamma.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.
|
||
|
|
* ====================================================
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* gamma_r(x, signgamp)
|
||
|
|
* Reentrant version of the logarithm of the Gamma function
|
||
|
|
* with user provide pointer for the sign of Gamma(x).
|
||
|
|
*
|
||
|
|
* Method: See lgamma_r
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "fdlibm.h"
|
||
|
|
|
||
|
|
#ifdef __STDC__
|
||
|
|
double gamma_r(double x, int *signgamp)
|
||
|
|
#else
|
||
|
|
double gamma_r(x,signgamp)
|
||
|
|
double x; int *signgamp;
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
return lgamma_r(x,signgamp);
|
||
|
|
}
|