function MW = perform_2d_int_translation(M, dx, dy, bound)

% perform_2d_int_translation - perform a 2D integer translation
%
%   MW = perform_2d_int_translation(M, dx, dy, bound);
%
%   bound tells how boundary are handeled, it can 
%   be either 'sym' (symmetric) or 'per' (periodic)
%
%   Copyright (c) 2005 Gabriel Peyr