% VGG_NEAREST_NEIGHBOUR  nearest points in Y to those in X by Euclidean (L2) distance
%
%                        [inds, d2] = vgg_nearest_neighbour(X, Y)
%
%                        - X: input points (one per column)
%                        - Y: nearest points (one per column)
%
%                        - inds: indices into Y of nearest point to X
%                        - d2: squared distance

% Author: Mark Everingham <me@robots.ox.ac.uk>
% Date: 13 Feb 03
