Oh, I see. yes, that looks like a bug. You mean, it should only report one
"recursion finished at level..."
Now I get it.
On Tue, May 12, 2015 at 9:51 AM, Rolf Huehne <rhue...@fli-leibniz.de> wrote:
> On 05/12/2015 04:36 PM, Robert Hanson wrote:
> > Hmm, this looks good to me:
> >
> >
> > show functions
> > /*
> > * rectest
> > */
> > function rectest (level){
> >
> > print "level="+ level +" maxLevel=" + maxLevel + "\n";
> > if (level < maxLevel) {
> > print "recursing at level " + level+"\n";
> > recTest(level + 1);
> > } else {
> > print "recursion finished at level " + level+"\n";
> > }
> > }
> >
> > recTest(1)
> >
> >
> > level=1 maxLevel=5
> >
> > recursing at level 1
> >
> > level=2 maxLevel=5
> >
> > recursing at level 2
> >
> > level=3 maxLevel=5
> >
> > recursing at level 3
> >
> > level=4 maxLevel=5
> >
> > recursing at level 4
> >
> > level=5 maxLevel=5
> >
> > recursion finished at level 5
> >
> > recursion finished at level 4
> >
> > recursion finished at level 3
> >
> > recursion finished at level 2
> >
> > recursion finished at level 1
> >
> Bob, why does it look good to you?
>
> It is ok that the 'rectest' function is called again four times.
> But the 'else' branch should only be executed when level=maxlevel. And
> this should be the case only in the last 'rectest' call. Otherwise both
> branches of the 'if...else' would have been followed, which should never
> happen.
>
> Regards,
> Rolf
> --
>
> Rolf Huehne
> Postdoc
>
> Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI)
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>
> Phone: +49 3641 65 6205
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--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Department of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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