#9972: Add toric lattice morphisms
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Reporter: novoselt | Owner: mhampton
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.6
Component: geometry | Keywords:
Author: Andrey Novoseltsev | Upstream: N/A
Reviewer: Volker Braun | Merged:
Work_issues: switch to FanMorphism |
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Comment(by vbraun):
I'll also tighten `x in fan` to only return `True` if `x` is actually a
`cone`. I'll add another method `fan.support_contains(point)` for the
other usage. That'll make it easier to ensure that "something" is a cone
of the correct fan. Otherwise we have stuff like `0 in fan` return True...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9972#comment:9>
Sage <http://www.sagemath.org>
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