/*Copyright (C) 1992, 1996 by Thomas Glen Smith. All Rights Reserved.*/ /* logrithm APL2 V1.0.0 ************************************************ * Returns the base-n log of rite, left giving the base-n. * ***********************************************************************/ #define INCLUDES MATH #include "includes.h" double logrithm(left,rite) double left,rite; { Log; extern double fuzz; if ((left > 1.0-fuzz && left < 1.0+fuzz) && (rite > 1.0-fuzz && rite < 1.0+fuzz)) return(1.0); return(log(rite)/log(left)); }