|Bill Allombert on Thu, 07 Nov 2013 18:50:40 +0100|
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|Re: ellgroup hangs for certain input on Version 2.6.2 (development git-0f10e3b)|
On Thu, Nov 07, 2013 at 05:22:09PM +0000, Richard Heylen wrote: > I know that testing for irreducibiltiy is slow so don't do it. Why > does ellgroup go into a busy loop? Can't this be detected cheaply and > the you could have it return some junk quickly? ellgroup first run ellcard (which gives a wrong result) then it generates random points P and Q until it believes they generates the curves, which never happens in this case. Cheers, Bill.