Bug in factor



laurent couraud writes:
> factor(taylor(sin(x),x,%pi/4,20));
> 
> Maxima encountered a Lisp error:
> 
>  Error in MACSYMA-TOP-LEVEL [or a callee]: Bind stack overflow.
> 
> But
> factor(taylor(sin(x),x,%pi/4,19));
> give a result.
> 
> 
> Maxima 5.10.0, GCL 2.6.8, winXP
> 

Yes, this is bug in factor.  I've checked on Linux
with gcl, clisp, sbcl and cmucl.  Result with gcl
is precisely the same as you report for Windows.
But all three other lisps complain about NIL not
being of numeric type. Funny that in this case
problem appears earlier at 19.

-- 
      Vadim V. Zhytnikov

       <vvzhy at mail.ru>
      <vvzhy at netorn.ru>