Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/bnt/inference/static/@pearl_inf_engine/private/prod_lambda_msgs.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
parents | |
children |
rev | line source |
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wolffd@0 | 1 function lam = prod_lambda_msgs(n, cs, msg, msg_type, except) |
wolffd@0 | 2 |
wolffd@0 | 3 if nargin < 5, except = -1; end |
wolffd@0 | 4 |
wolffd@0 | 5 lam = msg{n}.lambda_from_self; |
wolffd@0 | 6 switch msg_type |
wolffd@0 | 7 case 'd', |
wolffd@0 | 8 for i=1:length(cs) |
wolffd@0 | 9 c = cs(i); |
wolffd@0 | 10 if c ~= except |
wolffd@0 | 11 lam = lam .* msg{n}.lambda_from_child{i}; |
wolffd@0 | 12 end |
wolffd@0 | 13 end |
wolffd@0 | 14 case 'g', |
wolffd@0 | 15 if isinf(lam.precision) % isfield(lam, 'observed_val') |
wolffd@0 | 16 return; % pass on the observed msg |
wolffd@0 | 17 end |
wolffd@0 | 18 for i=1:length(cs) |
wolffd@0 | 19 c = cs(i); |
wolffd@0 | 20 if c ~= except |
wolffd@0 | 21 m = msg{n}.lambda_from_child{i}; |
wolffd@0 | 22 lam.precision = lam.precision + m.precision; |
wolffd@0 | 23 lam.info_state = lam.info_state + m.info_state; |
wolffd@0 | 24 end |
wolffd@0 | 25 end |
wolffd@0 | 26 end |
wolffd@0 | 27 |
wolffd@0 | 28 |
wolffd@0 | 29 |