ImpactParameterModel.cxx

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#include "ImpactParameterModel.h"
#include <fstream>
#include <iostream>
 
 
ImpactParameterModel::ImpactParameterModel(std::string filename)
  : bfromN(), bfromNerror() {
  std::fstream fin(filename.c_str(), std::fstream::in);
  int tot = 0;
  fin >> tot;
  bfromN.resize(tot + 1);
  bfromNerror.resize(tot + 1);
  bfromN[0]      = 1000.;
  bfromNerror[0] = 1000.;
  int N          = 0;
  for (int i = 0; i < tot; ++i) {
    fin >> N >> bfromN[i + 1] >> bfromNerror[i + 1];
    bfromNerror[i + 1] = TMath::Sqrt(bfromNerror[i + 1]);
  }
  fin.close();
}