108 inline SignedLogWeightTpl<T> Plus(const SignedLogWeightTpl<T> &w1,  in Plus()  argument
110   if (!w1.Member() || !w2.Member())  in Plus()
112   bool s1 = w1.Value1().Value() > 0.0;  in Plus()
114   T f1 = w1.Value2().Value();  in Plus()
119     return w1;  in Plus()
122       return SignedLogWeightTpl<T>(w1.Value1(), (f2 - log(2.0F)));  in Plus()
128         w1.Value1(), (f2 - log(1.0F + exp(f2 - f1))));  in Plus()
139         w1.Value1(), (f1 - log(1.0F - exp(f1 - f2))));  in Plus()
145 inline SignedLogWeightTpl<T> Minus(const SignedLogWeightTpl<T> &w1,  in Minus()  argument
148   return Plus(w1, minus_w2);  in Minus()
152 inline SignedLogWeightTpl<T> Times(const SignedLogWeightTpl<T> &w1,  in Times()  argument
154   if (!w1.Member() || !w2.Member())  in Times()
156   bool s1 = w1.Value1().Value() > 0.0;  in Times()
158   T f1 = w1.Value2().Value();  in Times()
167 inline SignedLogWeightTpl<T> Divide(const SignedLogWeightTpl<T> &w1,
170   if (!w1.Member() || !w2.Member())
172   bool s1 = w1.Value1().Value() > 0.0;
174   T f1 = w1.Value2().Value();
189 inline bool ApproxEqual(const SignedLogWeightTpl<T> &w1,
192   bool s1 = w1.Value1().Value() > 0.0;
195     return ApproxEqual(w1.Value2(), w2.Value2(), delta);
197     return w1.Value2() == LogWeightTpl<T>::Zero()
203 inline bool operator==(const SignedLogWeightTpl<T> &w1,
205   bool s1 = w1.Value1().Value() > 0.0;
208     return w1.Value2() == w2.Value2();
210     return (w1.Value2() == LogWeightTpl<T>::Zero()) &&