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https://issues.apache.org/jira/browse/GEOMETRY-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743259#comment-17743259
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Gilles Sadowski commented on GEOMETRY-150:
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{quote}I wanted to implement lots of new functions for the commons libraries,
but every single time (except once or twice), every single once of my ideas was
rejected, because I didn't have a company client or something telling me that
they want that particular function. There is also the YAGNI problem.
{quote}
In less than 4 hours, you got responses from 3 different people providing
rationale of why some PR could not be accepted
and it has certainly nothing to do with not having the backing of a company (in
fact, I even suspect that having such a company just post on the ML "I need
<this>" will not be a sufficient condition to release a new major version).
Maybe it's still not clear how development happens...
In any case, for the particular functionality that is the subject of this
report, Matt provided a solution.
Do you agree?
> 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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