scikit-learn/scikit-learn — pull request #3087 by MechCoder (2014-04-18 10:37:37+00:00)
Title: [MRG] Swap and nrm2 in sparsefuncs_fast

Some utils for swapping two rows and calculating the norm that is similar to nrm2 and swap. This will help me in completing, https://github.com/scikit-learn/scikit-learn/pull/3079

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