www.pudn.com > ConstrainedEM.zip > my_distribute_evidence.m

function [clpot, seppot ] = my_distribute_evidence(engine, clpot, seppot)
% an exact copy of distribute_evidence of the engine object 

% DISTRIBUTE_EVIDENCE Do message passing from root to leaves (parents then children)
% [clpot, seppot] = distribute_evidence(engine, clpot, seppot)

for n=engine.preorder
   for c=engine.preorder_children{n}
      clpot{c} = divide_by_pot(clpot{c}, seppot{n,c}); 
      seppot{n,c} = marginalize_pot(clpot{n}, engine.separator{n,c}, engine.maximize);
      clpot{c} = multiply_by_pot(clpot{c}, seppot{n,c});
   end
end