e_gamma.c

来自「freedos32的源代码」· C语言 代码 · 共 38 行

/* @(#)e_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.
 * ====================================================
 *
 */

#ifndef lint
static char rcsid[] = "$\Id: e_gamma.c,v 1.2 1995/05/30 05:48:12 rgrimes Exp $";
#endif

/* __ieee754_gamma(x)
 * Return the logarithm of the Gamma function of x.
 *
 * Method: call __ieee754_gamma_r
 */

#include "math.h"
#include "math_private.h"

extern int signgam;

#ifdef __STDC__
	double __ieee754_gamma(double x)
#else
	double __ieee754_gamma(x)
	double x;
#endif
{
	return __ieee754_gamma_r(x,&signgam);
}