#ifndef _sdet_STimeVariance_h_
#define _sdet_STimeVariance_h_

#include <utl/Singleton.h>

namespace sdet {

  /** \class STimeVariance STimeVariance.h "sdet/STimeVariance.h"

    See GAP2007-057 for details.

    \author Darko Veberic
    \date 6 May 2007
  */

  class STimeVariance : public utl::Singleton<STimeVariance> {

  public:
    enum Model {
      eNone = 0,
      eICRC2005,
      eGAP2006_016,
      eNIMA,
      eCDASv4r4,
      eGAP2007_057,
      eCDASv4r6,
      eCDASv4r8,
      eCDASv5r0,
      eDefault = eCDASv4r8
    };

    STimeVariance() : fModel(eDefault) { }

    Model GetModel() const { return fModel; }

    void SetModel(const Model m) { fModel = m; }

    double GetTimeSigma2(const double signal, const double t50, const double cosTheta,
                         const double distance = 0) const;

  private:
    Model fModel;

  };

}

#endif