1 2 /* 3 * ==================================================== 4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 5 * 6 * Developed at SunSoft, 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 /* lgamma(x) 15 * Return the logarithm of the Gamma function of x. 16 * 17 * Method: call lgamma_r 18 */ 19 20 #include <float.h> 21 22 #include "math.h" 23 #include "math_private.h" 24 25 extern int signgam; 26 27 double 28 lgamma(double x) 29 { 30 return lgamma_r(x,&signgam); 31 } 32 33 #if (LDBL_MANT_DIG == 53) 34 __weak_reference(lgamma, lgammal); 35 #endif 36