// The following was auto-generated from the gen_covariance_code.C // macro using a ROOT file generated with the fdc_covariance_tree // plugin. double GetFDCCovariance(int layer1, int layer2); double GetFDCCathodeCovariance(int layer1, int layer2); //------------------------- // GetFDCCovariance //------------------------- double GetFDCCovariance(int layer1, int layer2) { if(layer1<1 || layer2>24 || layer2<1 || layer2>24)return 0.0; if(layer224 || layer2<1 || layer2>24)return 0.0; if(layer2