#20330: hyperbolic_geodesic midpoint bugfix
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Reporter: jhonrubia6 | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: geometry | Resolution:
Keywords: hyperbolic | Merged in:
geometry, geodesic | Reviewers: Vincent Delecroix
Authors: Javier Honrubia | Work issues:
González | Commit:
Report Upstream: N/A | 663a76cb67fb1598301ce842dccd8341ab07218b
Branch: | Stopgaps:
u/jhonrubia6/hyperbolic_geodesic_midpoint_bugfix|
Dependencies: |
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Comment (by vdelecroix):
You might want to add some doctest similar to the following to check that
floating points remain floating points in any method.
{{{
sage: g = UHP.get_geodesic(CC(0,1), CC(2,2))
sage: UHP.dist(g.start(), g.end())
1.45057451382258
sage: parent(_)
Real Field with 53 bits of precision
sage: g.midpoint()
Point in UHP 0.666666666666666 + 1.69967317119759*I
sage: parent(g.midpoint().coordinates())
Complex Field with 53 bits of precision
sage: gc = g.complete()
Geodesic in UHP from -0.265564437074637 to 3.76556443707464
sage: parent(gc.start().coordinates())
Real Field with 53 bits of precision
sage: parent(gc._to_std_geod(g.start().coordinates()))
Full MatrixSpace of 2 by 2 dense matrices over Complex Field with 53 bits
of precision
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20330#comment:26>
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