private static VarTensor getProductOfAllFactors ( FactorGraph fg , Algebra s ) { VarTensor joint = new VarTensor ( s , new VarSet ( ) , s . one ( ) ) ; for ( int a = 0 ; a < fg . getNumFactors ( ) ; a ++ ) { Factor f = fg . getFactor ( a ) ; VarTensor factor = safeNewVarTensor ( s , f ) ; assert ! factor . containsBadValues ( ) : factor ; joint . prod ( factor ) ; } return joint ; }
Gets the product of all the factors in the factor graph . If working in the log - domain this will do factor addition .