e_gamma.c revision 2117
1/* @(#)e_gamma.c 5.1 93/09/24 */ 2/* 3 * ==================================================== 4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 5 * 6 * Developed at SunPro, a Sun Microsystems, Inc. business. 7 * Permission to use, copy, modify, and distribute this 8 * software is freely granted, provided that this notice 9 * is preserved. 10 * ==================================================== 11 * 12 */ 13 14#ifndef lint 15static char rcsid[] = "$Id: e_gamma.c,v 1.4 1994/08/10 20:30:51 jtc Exp $"; 16#endif 17 18/* __ieee754_gamma(x) 19 * Return the logarithm of the Gamma function of x. 20 * 21 * Method: call __ieee754_gamma_r 22 */ 23 24#include "math.h" 25#include "math_private.h" 26 27extern int signgam; 28 29#ifdef __STDC__ 30 double __ieee754_gamma(double x) 31#else 32 double __ieee754_gamma(x) 33 double x; 34#endif 35{ 36 return __ieee754_gamma_r(x,&signgam); 37} 38