* don't allocate so many float arrays, use INDArrays instead
Signed-off-by: Ryan Nett <rnett@skymind.io>
* re-add pre-processing, better names
Signed-off-by: Ryan Nett <rnett@skymind.io>
* use float[][] pool to avoid extra ndarray creation
Signed-off-by: Ryan Nett <rnett@skymind.io>