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https://issues.apache.org/jira/browse/GEOMETRY-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743601#comment-17743601
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Matt Juntunen commented on GEOMETRY-150:
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I believe this method is general enough and useful enough to warrant adding it.
Since we must maintain backwards compatibility with 1.0 for 1.1, we need to add
it as a default method to the interface, which (as mentioned before) we can do.
It may be that we can override the default implementation in some cases for
better performance. I'm not sure on that yet.
> implement isCodirectionalTo(Vector y)
> -------------------------------------
>
> Key: GEOMETRY-150
> URL: https://issues.apache.org/jira/browse/GEOMETRY-150
> Project: Commons Geometry
> Issue Type: New Feature
> Components: euclidean1D
> Reporter: Dimitrios Efthymiou
> Priority: Minor
> Labels: features
> Fix For: 1.1
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> implement isCodirectionalTo(Vector y) method in the Vector interface. The
> isCodirectionalTo() checks if the 2 vectors point at the same direction. This
> means that each vector can be obtained from the other by multiplying by a
> positive scalar.
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