fixing accum_dist and operator() mismatching for HellingerDistance and KL_Divergence
Implemented Kullback-Leibler divergence
Bugfix: Memory leak in deletion of er_stack nodes of ERFilter.
optimized cv::setIdentity
optimization of cv::warpAffine INTER_CUBIC
increased number of rows per work-item
Optimization of cv::pyrDown for 8UC1.
cvtColor - optimized index calculations; usage of build-in functions
optimized cv::inRange
optimized INTER_LINEAR mode
Change kernel for optimization. Remove restriction to align data

Fix kernel compilation errors on AMD system

Fix licanse information in cl file

Support CV_64F destination type

Change build options of the kernel

Optimize sum of square

Remove separate kernel for integral square

Increase epsilon for perfomance tests

Increase epsilon for perfomance tests

Test double support on AMD devices

Fix some issues

Try to fix problems with AMD device

Try to solve problem with AMD device

Fix error of destination size in kernel

Fix warnings
Fix GCC 4.9 compiler warning
Change comment according to fix
Optimize OpenCL version of sepFilter2D
added perftest for moments
reverted to original plain C++ code
added ocl_** function
ported changes from PR #2867
Change local size
optimized some operations