#9972: Add toric lattice morphisms
-------------------------------------+--------------------------------------
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 had counted the occurrences of `ambient_ray_lattice` as well, but my
conclusion was that it is seldomly used outside of
`/sage/geometry/cone,fan.py`. Replacing the 13 occurrences wouldn't be
hard. The fact that copy/pasting "correct" code turns it so easily into
"incorrect" code is precisely what I find disturbing. Also, the mistake in
`ToricDivisor` was not caught easily. It is in the current release. And
saying that its the user's fault ("You are holding it wrong" :-) is not
helpful.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9972#comment:28>
Sage <http://www.sagemath.org>
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