PixelDigitizerAlgorithm::TimewalkCurve Class Reference

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

PixelDigitizerAlgorithm::TimewalkCurve::TimewalkCurve

(

const edm::ParameterSet &

pset

)

Definition at line 179 of file PixelDigitizerAlgorithm.cc.

References x_, and y_.

    : 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!";
}

Member Function Documentation

double PixelDigitizerAlgorithm::TimewalkCurve::operator()

(

double

x

)

const

Definition at line 186 of file PixelDigitizerAlgorithm.cc.

References HLT_FULL_cff::distance, cuda_std::lower_bound(), AlCaHLTBitMon_ParallelJobs::p, and x.

                                                                      {
  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];
}

Member Data Documentation

std::vector<double> PixelDigitizerAlgorithm::TimewalkCurve::x_

private

Definition at line 24 of file PixelDigitizerAlgorithm.h.

Referenced by TimewalkCurve().

std::vector<double> PixelDigitizerAlgorithm::TimewalkCurve::y_

private

Definition at line 25 of file PixelDigitizerAlgorithm.h.

Referenced by TimewalkCurve().