15   visEintrk(
std::numeric_limits<float>::signaling_NaN()),
 
   16   eff(
std::numeric_limits<float>::signaling_NaN()),
 
   17   eff_cryo(
std::numeric_limits<float>::signaling_NaN()),
 
   18   pur(
std::numeric_limits<float>::signaling_NaN()),
 
double std(const std::vector< short > &wf, const double ped_mean, size_t start, size_t nsample)
SRTrackTruth()
Constructor.