ntrig and constantp problem

• Subject: ntrig and constantp problem
• From: Robert Marik
• Date: Fri, 02 May 2008 11:39:14 +0200

Dear members of the list, it seems that ntrig causes problems in 
constantp function. The following returns false

load(ntrig);
declare(a,constant);
constantp(sin(a));

but the following returns true

declare(a,constant);
constantp(sin(a));

Is it possible to use both ntrig and constantp with correct answers in 
one session? Thank you.

Robert Marik

Maxima 5.13.0 http://maxima.sourceforge.net
Using Lisp GNU Common Lisp (GCL) GCL 2.6.8 (aka GCL)

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