#7809: region_plot does not respect the passed variable order
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Reporter: jason | Owner: was
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.3.1
Component: graphics | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
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Comment(by jason):
Replying to [comment:2 kcrisman]:
> Looks like this is the only place equify is used, so I think this does
not require any deprecation for the removed optional argument. There
should be another doctest in to show this works, though, like
> {{{
> sage: region_plot([y>.3, x>0, x^2+y^2<1], (x,-1.1, 1.1), (y,-1.1, 1.1),
plot_points = 400).show(aspect_ratio=1)
> sage: region_plot([y>.3, x>0, x^2+y^2<1], (y,-1.1, 1.1), (x,-1.1, 1.1),
plot_points = 400).show(aspect_ratio=1)
> }}}
Does this actually produce an incorrect plot before the patch? I'll
check, but I'm pretty sure it should work.
> Also, the example in the description fails! Though, to be fair, it
failed before as well - but I figure I should mention it in case it's
related to this ticket after all. Or was the syntax wrong?
> {{{
> sage: region_plot(2/x + 1/y > 1/x * 1/y, (x,-10,10), (y,-10,10))
> TypeError: reduce() of empty sequence with no initial value
> }}}
This is not related to this ticket. The error is caused by a bug in
fast_callable--see #7810.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7809#comment:3>
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