#17587: ToricLattice: fix use of span() and span_of_basis()
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Reporter: jdemeyer | Owner:
Type: defect | Status: positive_review
Priority: major | Milestone: sage-6.5
Component: geometry | Resolution:
Keywords: | Merged in:
Authors: | Reviewers: Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/novoselt/ticket/17587 | d941a1762c4cfd4da9d186992d19a80e572b6c4d
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:26 novoselt]:
> What exactly is the problem?
Mainly the fact that the difference between returning a toric lattice and
a free module is done very implicitly. In particular, there is no way to
force the returning of a free module (as opposed to a toric lattice).
Sage is supposed to have the philosophy that the ''type'' of the output
should only depend on the ''type'' of the input, not the ''values'' of the
input.
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Ticket URL: <http://trac.sagemath.org/ticket/17587#comment:27>
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