#8987: Add support for rational polyhedral fans
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Reporter: novoselt | Owner: mhampton
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.4.3
Component: geometry | Keywords:
Author: Andrey Novoseltsev | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by novoselt):
The second patch adds classes that will support cones and fans for domain
and codomain of morphisms. While working on it, I moved the actual
computation of the cone lattice to `_compute_cone_lattice`. I have also
added a comparison function to cones that ignores types if both arguments
are cones. I think that `cone1 == cone2` should NOT take into account if
these cones belong to fans, morphisms, etc. If their rays are the same -
they are equal.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8987#comment:6>
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