Add DistanceOp line-line short-circuit optimizations #534
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Signed-off-by: Martin Davis <mtnclimb@gmail.com>
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Add DistanceOp line-line short-circuit optimizations.
These optimizations add a couple of tests for envelope distance, short-circuiting if the distance is greater than the current minimum.
In a test computing distances from US states to European countries, the performance improved by over 10 times.
Also done in GEOS 314
Signed-off-by: Martin Davis mtnclimb@gmail.com