📄 myintersect.m
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function C = myintersect(A,B)
% MYINTERSECT Intersection of two sets of positive integers (much faster than built-in intersect)
% C = myintersect(A,B)
A = A(:)'; B = B(:)';
if isempty(A)
ma = 0;
else
ma = max(A);
end
if isempty(B)
mb = 0;
else
mb = max(B);
end
if ma==0 | mb==0
C = [];
else
%bits = sparse(1, max(ma,mb));
bits = zeros(1, max(ma,mb));
bits(A) = 1;
C = B(logical(bits(B)));
end
%sum( bitget( bitand( cliquesb(i), cliquesb(j) ), 1:52 ) );
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