function [vertex,face] = check_face_vertex(vertex,face, options)% check_face_vertex - check that vertices and faces have the correct size%%   [vertex,face] = check_face_vertex(vertex,face);%%   Copyright (c) 2007 Gabriel Peyrevertex = check_size(vertex);face = check_size(face);%%%%%%%%%%%%%%%%%%%%%%%%%%%%%function a = check_size(a)if isempty(a)    return;endif size(a,1)>size(a,2)    a = a';endif size(a,1)<3 && size(a,2)==3    a = a';endif size(a,1)<=3 && size(a,2)>=3 && sum(abs(a(:,3)))==0    % for flat triangles    a = a';endif size(a,1)~=3    error('face or vertex is not of correct size');end