49 class ExpectationWeight : public PairWeight<X1, X2> {
61   typedef ExpectationWeight<typename X1::ReverseWeight,
64   ExpectationWeight() : PairWeight<X1, X2>(Zero()) { }  in ExpectationWeight()  function
66   ExpectationWeight(const ExpectationWeight<X1, X2>& w)  in ExpectationWeight()  function
69   ExpectationWeight(const PairWeight<X1, X2>& w)  in ExpectationWeight()  function
72   ExpectationWeight(const X1& x1, const X2& x2)  in ExpectationWeight()  function
75   static const ExpectationWeight<X1, X2> &Zero() {  in Zero()
76     static const ExpectationWeight<X1, X2> zero(X1::Zero(), X2::Zero());  in Zero()
80   static const ExpectationWeight<X1, X2> &One() {  in One()
81     static const ExpectationWeight<X1, X2> one(X1::One(), X2::Zero());  in One()
85   static const ExpectationWeight<X1, X2> &NoWeight() {  in NoWeight()
86     static const ExpectationWeight<X1, X2> no_weight(X1::NoWeight(),  in NoWeight()
117 inline ExpectationWeight<X1, X2> Plus(const ExpectationWeight<X1, X2> &w,  in Plus()
118                                       const ExpectationWeight<X1, X2> &v) {  in Plus()
119   return ExpectationWeight<X1, X2>(Plus(w.Value1(), v.Value1()),  in Plus()
125 inline ExpectationWeight<X1, X2> Times(const ExpectationWeight<X1, X2> &w,  in Times()
126                                        const ExpectationWeight<X1, X2> &v) {  in Times()
127   return ExpectationWeight<X1, X2>(Times(w.Value1(), v.Value1()),  in Times()
133 inline ExpectationWeight<X1, X2> Divide(const ExpectationWeight<X1, X2> &w,
134                                         const ExpectationWeight<X1, X2> &v,
137   return ExpectationWeight<X1, X2>::NoWeight();