COVAR_COLS       1324 modules/calib3d/src/fisheye.cpp     calcCovarMatrix(objectPoints, covObjectPoints, objectPointsMean, COVAR_NORMAL | COVAR_COLS);
COVAR_COLS        303 modules/calib3d/test/test_fisheye.cpp     cv::calcCovarMatrix(_objectPoints, covObjectPoints, objectPointsMean, cv::COVAR_NORMAL | cv::COVAR_COLS);