1 /* @(#)e_lgamma.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 #ifndef lint 14 static char rcsid[] = "$Id: e_lgamma.c,v 1.4 1994/08/10 20:31:05 jtc Exp $"; 15 #endif 16 17 /* __ieee754_lgamma(x) 18 * Return the logarithm of the Gamma function of x. 19 * 20 * Method: call __ieee754_lgamma_r 21 */ 22 23 #include "math.h" 24 #include "math_private.h" 25 26 extern int signgam; 27 28 #ifdef __STDC__ 29 double __ieee754_lgamma(double x) 30 #else 31 double __ieee754_lgamma(x) 32 double x; 33 #endif 34 { 35 return __ieee754_lgamma_r(x,&signgam); 36 } 37