On 24 April 2013 23:53, Victor Miller <[email protected]> wrote:

> John, Thanks. I just tried downloading the patch and applying it.  I have
> Sage 5.8.  However, when I did
>
> patch constructor.py trac_3416_fixes.patch
>
> all of the patches were rejected :-(.
>

There are three dependent tickets wit their own patches, not all of which
have had positive reviews, which makes it harder to apply (and to get
reviewed).  I should have mentioned that (though it says so on the ticket).

John


>
> Victor
>
>
> On Wednesday, April 24, 2013 8:47:39 AM UTC-4, John Cremona wrote:
>
>> Victor,
>>
>> The code at trac #3416 implements all this properly in Sage.  It's an
>> ancient ticket but the work on it is new, and it is one of the ones where
>> so many people have wprked on it that there's no-onle left to revview it.
>> That is a pity since Volker did a very nice job on it.  But if you are able
>> to download and apply the patch there then that's an alternative.
>>
>> John
>>
>>
>> On 24 April 2013 13:39, Volker Braun <[email protected]> wrote:
>>
>>> I'm pretty sure I removed that in #3416
>>>
>>>
>>> On Wednesday, April 24, 2013 1:27:58 PM UTC+1, Victor Miller wrote:
>>>>
>>>> E = EllipticCurve_from_cubic(F,(0,****0,1))
>>>>>
>>>>>
>>>>> Traceback (most recent call last):
>>>>>   File "<stdin>", line 1, in <module>
>>>>>   File "_sage_input_8.py", line 10, in <module>
>>>>>     exec compile(u'open("___code___.py"****,"w").write("# -*- coding: 
>>>>> utf-8 -*-\\n" + 
>>>>> _support_.preparse_worksheet_**c**ell(base64.b64decode("**RSA9IEVs**bGlwdGljQ3VydmVfZnJvbV**9jdWJpYy**hGLCgwLDAsMSkp"),**globals())+"\**\n");
>>>>>  execfile(os.path.abspath("___**c**ode___.py"))
>>>>>   File "", line 1, in <module>
>>>>>
>>>>>   File 
>>>>> "/private/var/folders/zs/**sfhqf**6rs4dgdjf89wmqsc6440000gn**/T/**tmpy6Qdo7/___code___.py",
>>>>>  line 3, in <module>
>>>>>     exec compile(u'E = EllipticCurve_from_cubic(F,(_**s**age_const_0 
>>>>> ,_sage_const_0 ,_sage_const_1 ))
>>>>>   File "", line 1, in <module>
>>>>>
>>>>>   File 
>>>>> "/Applications/Sage-5.8-OSX-**64**bit-10.8.app/Contents/**Resource**s/sage/local/lib/**python2.7/**site-packages/sage/**schemes/**elliptic_curves/**constructor.**py",
>>>>>  line 575, in EllipticCurve_from_cubic
>>>>>     s = magma.eval(cmd)
>>>>>   File 
>>>>> "/Applications/Sage-5.8-OSX-**64**bit-10.8.app/Contents/**Resource**s/sage/local/lib/**python2.7/**site-packages/sage/**interfaces/**magma.py",
>>>>>  line 539, in eval
>>>>>     raise RuntimeError, "Error evaluating Magma code.\nIN:%s\nOUT:%s"%(x, 
>>>>> ans)
>>>>> RuntimeError: Error evaluating Magma code.
>>>>> IN:aInvariants(MinimalModel(**El**lipticCurve(Curve(Scheme(P, x^3 + 
>>>>> 2*x*y^2 + 2*x*y*z + y^2*z + 2*x*z^2 + y*z^2)),P!(0, 0, 1))));
>>>>> OUT:
>>>>> In file 
>>>>> "/Users/victorsmiller/.sage/**te**mp/Victors_MacBook_Pro_2.**local**/7371/interface/tmp7444",
>>>>>  line 1, column 110:
>>>>> >> x^3 + 2*x*y^2 + 2*x*y*z + y^2*z + 2*x*z^2 + y*z^2)),P!(0, 0, 1))));
>>>>>                                                          ^
>>>>> Runtime error in elt< ... >: No permutation group context in which to 
>>>>> create cycle
>>>>>
>>>>>
>>>>>
>>>>>
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