Add performance tests for elementwise multiplication
Fix source code indents
Remove three sneaky tabs
Rewrite definition/declaration of variables to be more compact
Move OpticalFlowFarneback from ocl module to video module
Fix compiler warnings. Add additional test case for UseInitFlow
Return false if ocl version not properly worked
Add perfomance test
Change epsilon value to 0.01
Change the sanity checking type to ERROR_RELATIVE
fixed cv::sepFilter2D
implemented OpenCL version of cv::preCornerDetect
Merge pull request #2134 from vbystricky:ocl_calcOpticalFlowFarneback
Merge pull request #2186 from ilya-lavrenov:tapi_precornerdetect
Merge pull request #2189 from ilya-lavrenov:tapi_sepFilter2D_fix
Merge pull request #2110 from hmax:master
added new macros useful for tracking whether OpenCL impl run or not