function [start_point,end_point,center_point] = pick_start_end_point(M, no_end_point, do_rounding)

% pick_start_end_point - pick start/end points for front propagation.
%
%   [start_point,end_point,center_point] = pick_start_end_point(M);
%
%   Copyright (c) 2005 Gabriel Peyr