Via: uk.ac.aston; Fri, 12 Mar 1993 10:45:18 +0000
To: u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw, djgpp AT sun DOT soe DOT clarkson DOT edu
From: John Fletcher <ECM9093 AT pcmail DOT aston DOT ac DOT uk>
Date: 12 Mar 93 10:38:21 GMT
Subject: Re: tanh(x) is wrong !
Reply-To: J DOT P DOT Fletcher AT aston DOT ac DOT uk

> From:       jih-shin ho <u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw>
> Subject:    tanh(x) is wrong !
> To:         djgpp AT sun DOT soe DOT clarkson DOT edu (djgpp)
> Date:       Fri, 12 Mar 93 4:12:11 EAT

> Hi:
>   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.
>
>              Thanks
>
>                                                     Arthur Ho
>                                          u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw
>
I think someone posted a patch for this some time ago.

John

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Dr John P. Fletcher
Department of Chemical Engineering and Applied Chemistry,
Aston University,         Tel: (44) 21 359 3611 ext 4625
Aston Triangle,         Email(Most systems): J DOT P DOT FLETCHER AT ASTON DOT AC DOT UK
BIRMINGHAM B4 7ET  U.K.   Email(JANET only): J DOT P DOT FLETCHER AT UK DOT AC DOT ASTON
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