fix the function name

modules/ocl/include/opencv2/ocl/ocl.hpp

@@ -838,7 +838,7 @@ namespace cv
 
         //! Compute closest centers for each lines in source and lable it after center's index
         // supports CV_32FC1/CV_32FC2/CV_32FC4 data type
-        void DistanceComputer(oclMat &dists, oclMat &labels, const oclMat &src, const oclMat &centers);
+        CV_EXPORTS void distanceToCenters(oclMat &dists, oclMat &labels, const oclMat &src, const oclMat &centers);
 
         //!Does k-means procedure on GPU 
         // supports CV_32FC1/CV_32FC2/CV_32FC4 data type

modules/ocl/src/kmeans.cpp

@@ -169,7 +169,7 @@ static void generateCentersPP(const Mat& _data, Mat& _out_centers,
     }
 }
 
-void cv::ocl::DistanceComputer(oclMat &dists, oclMat &labels, const oclMat &src, const oclMat &centers)
+void cv::ocl::distanceToCenters(oclMat &dists, oclMat &labels, const oclMat &src, const oclMat &centers)
 {
     //if(src.clCxt -> impl -> double_support == 0 && src.type() == CV_64F)
     //{
@@ -179,7 +179,7 @@ void cv::ocl::DistanceComputer(oclMat &dists, oclMat &labels, const oclMat &src,
 
     Context  *clCxt = src.clCxt;
     int labels_step = (int)(labels.step/labels.elemSize());
-    string kernelname = "kmeansComputeDistance";
+    string kernelname = "distanceToCenters";
     int threadNum = src.rows > 256 ? 256 : src.rows;
     size_t localThreads[3]  = {1, threadNum, 1};
     size_t globalThreads[3] = {1, src.rows, 1};
@@ -413,7 +413,7 @@ double cv::ocl::kmeans(const oclMat &_src, int K, oclMat &_bestLabels,
 
             _bestLabels.upload(_labels);
             _centers.upload(centers);
-            DistanceComputer(_dists, _bestLabels, _src, _centers);
+            distanceToCenters(_dists, _bestLabels, _src, _centers);
 
             Mat dists;
             _dists.download(dists);

modules/ocl/src/opencl/kmeans_kernel.cl

@@ -43,7 +43,7 @@
 //
 //M*/
 
-__kernel void kmeansComputeDistance(
+__kernel void distanceToCenters(
     int label_step, int K,
     __global float *src,
     __global int *labels, int dims, int rows,
@@ -72,7 +72,8 @@ __kernel void kmeansComputeDistance(
         {
             min = euDist;
             minCentroid = 0;
-        } else if(euDist < min) 
+        }
+        else if(euDist < min)
         {
             min = euDist;
             minCentroid = i;