ISyst.cxx

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#include "CAFAna/Core/ISyst.h"

#include "CAFAna/Core/Registry.h"

#include "StandardRecord/Proxy/SRProxy.h"

namespace ana
{
  //----------------------------------------------------------------------
  ISyst::ISyst(const std::string& shortName,
               const std::string& latexName)
    : fShortName(shortName), fLatexName(latexName)
  {
    Registry<ISyst>::Register(this);
  }

  //----------------------------------------------------------------------
  ISyst::~ISyst()
  {
    // Normally ISysts should last for the life of the process, but in case one
    // is deleted it's best not to leave a dangling pointer in Registry.
    Registry<ISyst>::UnRegister(this);
  }

  //----------------------------------------------------------------------
  void ISyst::Shift(double sigma, caf::SRProxy* sr, double& weight) const
  {
    // Override this function if your systematic depends on non-SRNeutrino
    // quantities. If it is SRNeutrino-only, implement the other function,
    // and let this default forward to you when necessary.
    if(sr->mc.nnu > 0) TruthShift(sigma, &sr->mc.nu[0], weight);
  }
}