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 15 static char rcsid[] = "$FreeBSD$"; 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 27 extern 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