1*40865Sbostic /*- 2*40865Sbostic * Copyright (c) 1979 The Regents of the University of California. 3*40865Sbostic * All rights reserved. 4*40865Sbostic * 5*40865Sbostic * %sccs.include.redist.c% 6*40865Sbostic */ 71663Smckusick 8*40865Sbostic #ifndef lint 9*40865Sbostic static char sccsid[] = "@(#)LN.c 1.6 (Berkeley) 04/09/90"; 10*40865Sbostic #endif /* not lint */ 111663Smckusick 122066Smckusic #include <math.h> 131663Smckusick 141663Smckusick double 151663Smckusick LN(value) 161663Smckusick 171663Smckusick double value; 181663Smckusick { 191663Smckusick if (value <= 0) { 203867Smckusic ERROR("Non-positive argument of %e to ln\n", value); 211663Smckusick } 221663Smckusick return log(value); 231663Smckusick } 24