#565 Difference between GCL - CLISP for differentiating

[Anonymous]

Submitted by faisant@pharmacie.unicaen.fr

output of bug_report() :

Maxima version: 5.9.0
Maxima build date: 22:32 3/17/2004
host type: i686-pc-linux-gnu
lisp-implementation-type: CLISP
lisp-implementation-version: 2.31 (released 2003-09-01)
(built 3273145223) (memory 3288547952)

(on Linux)

Bug :

(C2) integrate(%e^t/(1+%e^(2*t)),t);
t
(D2) ATAN(%E )
(C3) diff(%,t);
d t
(D3) -- (ATAN(%E ))
dt

But no problem with xmaxima with gcl on WinXP:

(C1) integrate(%e^x/(1+%e^(2*x)),x);
x
(D1) ATAN(%E )
(C2) diff(atan(%e^x),x);
x
%E
(D2) ---------
2 x
%E + 1

[Raymond Toy]

Logged In: YES
user_id=28849

The reported bug is not present in the current version of cvs.

Thank you for your report. If you see this bug in a later version
of Maxima, please submit a new bug report.