function C = intersect_C(A,B)
% INTERSECT Compute C = { x : x in A and x in B }
% C = intersect(A,B)

% This is significantly faster than the built-in intersect
% /usr/sww/pkg/matlab-5.2/toolbox/matlab/ops/intersect.m     

C = C_fast_set(A(:),B(:),1);
