I fixed the new/delete error: (insert "delete mwbasis;" on line 105
of qrank/descent.h)
I still get
sage: EllipticCurve('11a').regulator()
-infinity
which could be a wrapping error, since EllipticCurve('11a1').mwrank()
reveals the correct answer (=1), and also the error seems only to
occur when the curve has rank 0, so the regulator is (exactly) 1,
which might be treated as a special case in the wrapper. Must run,
John
On 19/12/2007, mabshoff
<[EMAIL PROTECTED]> wrote:
>
> Trouble in paradise. With the latest cremona.spkg I get a doctest
> failures with segfaults in
>
> devel/sage-main/sage/schemes/elliptic_curves/ell_rational_field.py
> devel/sage-main/sage/schemes/elliptic_curves/sha.py
> devel/sage-main/sage/libs/mwrank/interface.py
>
> That even happens after a "sage -ba". One example:
>
> sage: EllipticCurve('11a').regulator()
> -infinity
> sage:
> Exiting SAGE (CPU time 0m0.17s, Wall time 0m8.09s).
> fatal error:
> Internal error: can't free this _ntl_gbigint
> exit...
>
> I am looking into this, but so far no real leads.
>
> Cheers,
>
> Michael
> >
>
--
John Cremona
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