32 class SignedLogWeightTpl
44   typedef SignedLogWeightTpl<T> ReverseWeight;
46   SignedLogWeightTpl() : PairWeight<X1, X2>() {}  in SignedLogWeightTpl()  function
48   SignedLogWeightTpl(const SignedLogWeightTpl<T>& w)  in SignedLogWeightTpl()  function
51   SignedLogWeightTpl(const PairWeight<X1, X2>& w)  in SignedLogWeightTpl()  function
54   SignedLogWeightTpl(const X1& x1, const X2& x2)  in SignedLogWeightTpl()  function
57   static const SignedLogWeightTpl<T> &Zero() {  in Zero()
58     static const SignedLogWeightTpl<T> zero(X1(1.0), X2::Zero());  in Zero()
62   static const SignedLogWeightTpl<T> &One() {  in One()
63     static const SignedLogWeightTpl<T> one(X1(1.0), X2::One());  in One()
67   static const SignedLogWeightTpl<T> &NoWeight() {  in NoWeight()
68     static const SignedLogWeightTpl<T> no_weight(X1(1.0), X2::NoWeight());  in NoWeight()
108 inline SignedLogWeightTpl<T> Plus(const SignedLogWeightTpl<T> &w1,  in Plus()
109                                   const SignedLogWeightTpl<T> &w2) {  in Plus()
111     return SignedLogWeightTpl<T>::NoWeight();  in Plus()
122       return SignedLogWeightTpl<T>(w1.Value1(), (f2 - log(2.0F)));  in Plus()
124       return SignedLogWeightTpl<T>::Zero();  in Plus()
127       return SignedLogWeightTpl<T>(  in Plus()
130       return SignedLogWeightTpl<T>(  in Plus()
135       return SignedLogWeightTpl<T>(  in Plus()
138       return SignedLogWeightTpl<T>(  in Plus()
145 inline SignedLogWeightTpl<T> Minus(const SignedLogWeightTpl<T> &w1,  in Minus()
146                                    const SignedLogWeightTpl<T> &w2) {  in Minus()
147   SignedLogWeightTpl<T> minus_w2(-w2.Value1().Value(), w2.Value2());  in Minus()
152 inline SignedLogWeightTpl<T> Times(const SignedLogWeightTpl<T> &w1,  in Times()
153                                    const SignedLogWeightTpl<T> &w2) {  in Times()
155     return SignedLogWeightTpl<T>::NoWeight();  in Times()
161     return SignedLogWeightTpl<T>(TropicalWeight(1.0), (f1 + f2));  in Times()
163     return SignedLogWeightTpl<T>(TropicalWeight(-1.0), (f1 + f2));  in Times()
167 inline SignedLogWeightTpl<T> Divide(const SignedLogWeightTpl<T> &w1,
168                                     const SignedLogWeightTpl<T> &w2,
171     return SignedLogWeightTpl<T>::NoWeight();
177     return SignedLogWeightTpl<T>(TropicalWeight(1.0),
180     return SignedLogWeightTpl<T>(TropicalWeight(1.0),
183     return SignedLogWeightTpl<T>(TropicalWeight(1.0), (f1 - f2));
185     return SignedLogWeightTpl<T>(TropicalWeight(-1.0), (f1 - f2));
189 inline bool ApproxEqual(const SignedLogWeightTpl<T> &w1,
190                         const SignedLogWeightTpl<T> &w2,
203 inline bool operator==(const SignedLogWeightTpl<T> &w1,
204                        const SignedLogWeightTpl<T> &w2) {
216 typedef SignedLogWeightTpl<float> SignedLogWeight;
218 typedef SignedLogWeightTpl<double> SignedLog64Weight;