On Mon, Nov 21, 2011 at 11:49 AM, Barton Willis <willisb at unk.edu> wrote:
> maxima-bounces at math.utexas.edu wrote on 11/21/2011 01:30:09 PM:
>
>
> > (%i1) integrate(acos(%i*x),x,-2,3);
> >
> > Is W35620 positive or negative?
>
> Maxima should* never*ask about the sign of an expression that involves
> an internally generated variable. This is a bug--you should report it.
FWIW, Maxima doesn't ask this question for me with the latest sources.
Ray