function y=modulo(x,N);%MODULO	Congruence of a vector.%	Y=MODULO(X,N) gives the congruence of each element of the%	vector X modulo N. These values are strictly positive and %	lower equal than N.%%	See also REM.%	O. Lemoine - February 1996.%	Copyright (c) 1996 by CNRS (France).%%	------------------- CONFIDENTIAL PROGRAM -------------------- %	This program can not be used without the authorization of its%	author(s). For any comment or bug report, please send e-mail to %	f.auger@ieee.org L=length(x);for l=1:L,  if rem(x(l),N)==0,    y(l)=N;  elseif rem(x(l),N)<0,    y(l)=rem(x(l),N)+N;  else    y(l)=rem(x(l),N);  endend