/* Copyright (C) 1994 by Thomas Glen Smith. All Rights Reserved. */ /* logrithp APL2 V1.0.0 ************************************************ * Returns the base-n log of rite, left giving the base-n. * ***********************************************************************/ #define INCLUDES MATH #include "includes.h" void logrithp(left,rite,ret) double *left,*rite,*ret; { Log; extern double fuzz; if ((*left > 1.0-fuzz && *left < 1.0+fuzz) && (*rite > 1.0-fuzz && *rite < 1.0+fuzz)) *ret = 1.0; else *ret =(log(*rite)/log(*left)); }