Public Member Functions
double	operator() (double x) const

	TimewalkCurve (const edm::ParameterSet &pset)

Private Attributes
std::vector< double >	x_

std::vector< double >	y_

Detailed Description

Definition at line 15 of file PixelDigitizerAlgorithm.h.

Constructor & Destructor Documentation

◆ TimewalkCurve()

PixelDigitizerAlgorithm::TimewalkCurve::TimewalkCurve ( const edm::ParameterSet & pset )

Definition at line 179 of file PixelDigitizerAlgorithm.cc.

     : x_(pset.getParameter<std::vector<double>>("charge")), y_(pset.getParameter<std::vector<double>>("delay")) {
   if (x_.size() != y_.size())
     throw cms::Exception("Configuration")
         << "Timewalk model error: the number of charge values does not match the number of delay values!";
 }

References x_, and y_.

Member Function Documentation

◆ operator()()

double PixelDigitizerAlgorithm::TimewalkCurve::operator() ( double x ) const

Definition at line 186 of file PixelDigitizerAlgorithm.cc.

                                                                       {
   auto it = std::lower_bound(x_.begin(), x_.end(), x);
   if (it == x_.begin())
     return y_.front();
   if (it == x_.end())
     return y_.back();
   int index = std::distance(x_.begin(), it);
   double x_high = *it;
   double x_low = *(--it);
   double p = (x - x_low) / (x_high - x_low);
   return p * y_[index] + (1 - p) * y_[index - 1];
 }