1 | initial version |

Here it is ! This is now ticket #17893. There was a problem indeed, but not in the actual computations. I was trying to simplify the final tree too much, and well. To the point that some things that had their importance actually vanished :-P

It is updated. Very very slightly more time-consuming, but a clearer code. Good deal.

[1] http://trac.sagemath.org/ticket/17893

2 | No.2 Revision |

Here it is ! This is now ticket #17893. There was a problem indeed, but not in the actual computations. I was trying to simplify the final tree too much, and well. To the point that some things that had their importance actually vanished :-P

It is updated. Very very slightly more time-consuming, but a clearer code. Good deal.

By the way it is in 'needs_review', i.e. somebody (anybody) needs to double check it before it makes it into Sage.

[1] http://trac.sagemath.org/ticket/17893

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