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
increased number of rows per work-item
Optimization of cv::pyrDown for 8UC1.
optimized INTER_LINEAR mode
Optimize OpenCL version of sepFilter2D
Change local size
Use fma only for Intel devices
SSE2 optimization of magnitude calculation
Change global buffer to local
Merge pull request #2856 from sanchom:master
minor optimization of cv::LUT
fixed cv::warpPerspective
Merge pull request #2928 from ilya-lavrenov:tapi_warp_fix
sse2 optimization of inv_sqrt_64f
fixed warnings
ocl: add try-catch for OpenCL device getter
Merge pull request #2897 from vbystricky:oclopt_sepFilter2D