"Richard Fateman" <fateman at cs.berkeley.edu> writes: > tanh(1.0d3) > gives a stack overflow error in wxmaxima 0.7.1 > > The answer should be 1.0d0. Using the latest cvs Maxima compiled with sbcl, but not using wxmaxima, I get (%i1) tanh(1.0d3); (%o1) 1.0 > The computation of tanh(x) by using exp(x) is a bad idea. What's the best way of computing it? Jay