68 KDTree::KDTree(InputArray _points, bool _copyData)  in KDTree()  argument
72     build(_points, _copyData);  in KDTree()
75 KDTree::KDTree(InputArray _points, InputArray _labels, bool _copyData)  in KDTree()  argument
79     build(_points, _labels, _copyData);  in KDTree()
158 void KDTree::build(InputArray _points, bool _copyData)  in build()  argument
160     build(_points, noArray(), _copyData);  in build()
166     Mat _points = __points.getMat(), _labels = __labels.getMat();  in build()  local
167     CV_Assert(_points.type() == CV_32F && !_points.empty());  in build()
171         points = _points;  in build()
175         points.create(_points.size(), _points.type());  in build()
178     int i, j, n = _points.rows, ptdims = _points.cols, top = 0;  in build()
179     const float* data = _points.ptr<float>(0);  in build()
181     size_t step = _points.step1();  in build()