Github user ygcao commented on the pull request: https://github.com/apache/spark/pull/10152#issuecomment-162253645 Hi Sean, thanks for the comment. Sorry for not notice the title requirement for the pull request. I did check the guideline, but didn't get time to check each line of it. As to the style, I'm pretty much following existing code, could you be more specific about what you found violated the style guide? As to the distance function, agreed that separation is preferred. since cosineSimilarity is already in place in the class, I added more in place just to minimize my footprint of changes. If you can point out any existing class for placing those functions, that'll be great. I don't mind to add a new class just for distance functions, that means bigger changes.
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