* libnd4j first step of tanh_bp operation implementation on mkldnn
Signed-off-by: Oleg <oleg.semeniv@gmail.com>
* libnd4j optimize several places and added test case for tanh_bp
Signed-off-by: Oleg <oleg.semeniv@gmail.com>
* libnd4j minor corrections and renaming, added one more test case
Signed-off-by: Oleg <oleg.semeniv@gmail.com>
* libnd4j missed mkldnn data format definition
Signed-off-by: Oleg <oleg.semeniv@gmail.com>