cvClearND         755 modules/core/include/opencv2/core/core_c.h CVAPI(void) cvClearND( CvArr* arr, const int* idx );
cvClearND         627 modules/core/test/test_mat.cpp     cvClearND(M, idx);
cvClearND         911 modules/imgproc/test/test_histograms.cpp                 cvClearND( sparse, indices->data.i + i*cdims );