310 class LogWeightTpl : public FloatWeightTpl<T> {
314   typedef LogWeightTpl ReverseWeight;
316   LogWeightTpl() : FloatWeightTpl<T>() {}  in LogWeightTpl()  function
318   LogWeightTpl(T f) : FloatWeightTpl<T>(f) {}  in LogWeightTpl()  function
320   LogWeightTpl(const LogWeightTpl<T> &w) : FloatWeightTpl<T>(w) {}  in LogWeightTpl()  function
322   static const LogWeightTpl<T> Zero() {  in Zero()
323     return LogWeightTpl<T>(FloatLimits<T>::kPosInfinity);  in Zero()
326   static const LogWeightTpl<T> One() {  in One()
327     return LogWeightTpl<T>(0.0F);  in One()
330   static const LogWeightTpl<T> NoWeight() {  in NoWeight()
331     return LogWeightTpl<T>(FloatLimits<T>::kNumberBad); }  in NoWeight()
343   LogWeightTpl<T> Quantize(float delta = kDelta) const {
349       return LogWeightTpl<T>(floor(Value()/delta + 0.5F) * delta);
352   LogWeightTpl<T> Reverse() const { return *this; }  in Reverse()
360 typedef LogWeightTpl<float> LogWeight;
362 typedef LogWeightTpl<double> Log64Weight;
368 inline LogWeightTpl<T> Plus(const LogWeightTpl<T> &w1,  in Plus()
369                             const LogWeightTpl<T> &w2) {  in Plus()
376     return LogWeightTpl<T>(f2 - LogExp(f1 - f2));  in Plus()
378     return LogWeightTpl<T>(f1 - LogExp(f2 - f1));  in Plus()
381 inline LogWeightTpl<float> Plus(const LogWeightTpl<float> &w1,  in Plus()
382                                 const LogWeightTpl<float> &w2) {  in Plus()
386 inline LogWeightTpl<double> Plus(const LogWeightTpl<double> &w1,  in Plus()
387                                  const LogWeightTpl<double> &w2) {  in Plus()
392 inline LogWeightTpl<T> Times(const LogWeightTpl<T> &w1,  in Times()
393                              const LogWeightTpl<T> &w2) {  in Times()
395     return LogWeightTpl<T>::NoWeight();  in Times()
402     return LogWeightTpl<T>(f1 + f2);  in Times()
405 inline LogWeightTpl<float> Times(const LogWeightTpl<float> &w1,  in Times()
406                                  const LogWeightTpl<float> &w2) {  in Times()
410 inline LogWeightTpl<double> Times(const LogWeightTpl<double> &w1,  in Times()
411                                   const LogWeightTpl<double> &w2) {  in Times()
416 inline LogWeightTpl<T> Divide(const LogWeightTpl<T> &w1,
417                               const LogWeightTpl<T> &w2,
420     return LogWeightTpl<T>::NoWeight();
427     return LogWeightTpl<T>(f1 - f2);
430 inline LogWeightTpl<float> Divide(const LogWeightTpl<float> &w1,
431                                   const LogWeightTpl<float> &w2,
436 inline LogWeightTpl<double> Divide(const LogWeightTpl<double> &w1,
437                                    const LogWeightTpl<double> &w2,