Date: Fri, 12 Mar 93 09:11:20 EST From: DJ Delorie To: u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw Cc: djgpp AT sun DOT soe DOT clarkson DOT edu Subject: Re: tanh(x) is wrong ! > Does anyone notice that the math function tanh(x) always returns positive >value. It is incompatible with the definition of tanh(x). If you want to use >it, you must get source code and do some modifications. I have an old message that states that, but nobody posted a valid version at the time. Any takers to go over all the composite trancendental functions and verify that the formulas are correct? DJ