set a 1e-15 tolerance when comparing floats in tester
give tester 1e-15 tolerance itself and drop that param from cmakelists
fix bug in tester
Fix integration bug in call to compare method.
The number of arguments increased in recent commit.
Add more robust check for integration tests.
Compare with tolerance didn't account for non-finite array elements.
minibatch kmeans added
reverted to random algo
Merge pull request #1827 from mazumdarparijat/fastkmeans

mini-batch KMeans Added
various minor fixes in GPs framework
Merge pull request #1829 from votjakovr/feature/gp_refactoring

Various minor fixes in GPs framework
minor changes in KMeans
Merge pull request #1831 from mazumdarparijat/fastkmeans

minor changes in KMeans