approxPolyDP_     693 modules/imgproc/src/approx.cpp         nout = approxPolyDP_(curve.ptr<Point>(), npoints, buf, closed, epsilon, &_stack);
approxPolyDP_     695 modules/imgproc/src/approx.cpp         nout = approxPolyDP_(curve.ptr<Point2f>(), npoints, (Point2f*)buf, closed, epsilon, &_stack);
approxPolyDP_     792 modules/imgproc/src/approx.cpp                 nout = cv::approxPolyDP_(src, npoints, dst, closed, parameter, &stack);
approxPolyDP_     794 modules/imgproc/src/approx.cpp                 nout = cv::approxPolyDP_((cv::Point2f*)src, npoints,