AlexanderFabisch/OpenANN — pull request #48 by Ruun (2013-04-24 01:03:36+00:00)
Title: Add DataSetViews for general OpenANN::DataSets&

This pull request contains an implementation and some test cases for DataSetViews operating on any OpenANN::DataSets&.

DataSetViews are index-based instance representation are very helpful for validation methods, that e.g. needs to split and merge DirectStorageDatases.

With this implementation you can manipulate any dataset without a complete, expensive
matrix- or vector copying.