interface for a metric
| virtual | ~MetricManhattan() | 
| static TClass* | Class() | 
| virtual Double_t | Distance(vector<Double_t>& pointA, vector<Double_t>& pointB) | 
| vector<Double_t>* | TMVA::IMetric::GetParameters() | 
| virtual TClass* | IsA() const | 
| TMVA::MetricManhattan | MetricManhattan() | 
| TMVA::MetricManhattan | MetricManhattan(const TMVA::MetricManhattan&) | 
| TMVA::MetricManhattan& | operator=(const TMVA::MetricManhattan&) | 
| void | TMVA::IMetric::SetParameters(vector<Double_t>* parameters) | 
| virtual void | ShowMembers(TMemberInspector& insp, char* parent) | 
| virtual void | Streamer(TBuffer& b) | 
| void | StreamerNVirtual(TBuffer& b) | 
| vector<Double_t>* | TMVA::IMetric::fParameters | 

the Manhatten distance between point A and B: linear sum of differences between A in B in all variables