mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 19:49:32 +00:00
40 lines
950 B
C
40 lines
950 B
C
/* erf_gamma.c -- float version of er_gamma.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.
|
|
* ====================================================
|
|
*
|
|
*/
|
|
|
|
/* gammaf_r(x, signgamp)
|
|
* Reentrant version of the logarithm of the Gamma function
|
|
* with user provided pointer for the sign of Gamma(x).
|
|
*
|
|
* Method: See lgammaf_r
|
|
*/
|
|
|
|
#include "fdlibm.h"
|
|
|
|
#ifdef __STDC__
|
|
float gammaf_r(float x, int *signgamp)
|
|
#else
|
|
float gammaf_r(x,signgamp)
|
|
float x; int *signgamp;
|
|
#endif
|
|
{
|
|
return expf (lgammaf_r(x,signgamp));
|
|
}
|
|
|
|
float gammaf(float x)
|
|
{
|
|
return gammaf_r(x, &(_REENT_SIGNGAM(_REENT)));
|
|
}
|