1 /* @(#)w_log.c 5.1 93/09/24 */
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: w_log.c,v 1.6 1995/05/10 20:49:33 jtc Exp $";
22 #include "math_private.h"
26 double __log(double x) /* wrapper log */
28 double __log(x) /* wrapper log */
33 return __ieee754_log(x);
37 if(_LIB_VERSION == _IEEE_ || __isnan(x) || x > 0.0) return z;
39 return __kernel_standard(x,x,16); /* log(0) */
41 return __kernel_standard(x,x,17); /* log(x<0) */
44 weak_alias (__log, log)
46 strong_alias (__log, __logl)
47 weak_alias (__log, logl)