Ralf Hemmecke wrote:
>
> > http://axiom-wiki.newsynthesis.org/SandBoxBugLaurentSeries
> > demonstrates a bug in UnivariateLaurentSeries.
>
> For this part the fix is attached. May I commit?
>
> Ralf
>
> diff --git a/src/algebra/laurent.spad b/src/algebra/laurent.spad
> index 6ca59c5..6caa731 100644
> --- a/src/algebra/laurent.spad
> +++ b/src/algebra/laurent.spad
> @@ -169,7 +169,7 @@ UnivariateLaurentSeriesConstructor(Coef, UTS) : _
> empty? st => empty()
> term := frst st; ex := termExpon term
> n = ex => concat(termCoef term, recsToCoefs(rst st, n + 1))
> - concat(0, recsToCoefs(rst st, n + 1))
> + concat(0, recsToCoefs(st, n + 1))
>
> series st ==
> empty? st => 0
Yes, please do.
--
Waldek Hebisch
[email protected]
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