HHKinFit2::HHKinFitMasterSingleHiggs::HHKinFitMasterSingleHiggs(TLorentzVector const& tauvis1,
                                                                TLorentzVector const& tauvis2,
                                                                TVector2 const& met, 
                                                                TMatrixD const& met_cov, 
                                                                bool istruth,
                                                                TLorentzVector const& higgsgen)
:m_MET_COV(TMatrixD(4,4))
{
  
  m_tauvis1 = HHLorentzVector(tauvis1.Px(), tauvis1.Py(), tauvis1.Pz(), tauvis1.E());  
  m_tauvis2 = HHLorentzVector(tauvis2.Px(), tauvis2.Py(), tauvis2.Pz(), tauvis2.E());
 
  m_tauvis1.SetMkeepE(1.77682);
  m_tauvis2.SetMkeepE(1.77682);
   
  m_MET = met;
  m_MET_COV = met_cov;

  m_chi2_best = pow(10,10);
  m_bestHypo = 0;

  //  if (istruth){
  //    TRandom3 r(0);
  //
  //    HHLorentzVector recoil;
  //    if(heavyhiggsgen != NULL){
  //       Double_t pxRecoil = r.Gaus(-(heavyhiggsgen->Px() ), 10.0);
  //       Double_t pyRecoil = r.Gaus(-(heavyhiggsgen->Py() ), 10.0);
  //
  //       recoil = HHLorentzVector(pxRecoil, pyRecoil, 0,
  //				sqrt(pxRecoil*pxRecoil+pyRecoil*pyRecoil));
  //    }
  //    else{
  //      recoil = HHLorentzVector(0,0,0,0);
  //      std::cout << "WARNING! Truthinput mode active but no Heavy Higgs gen-information given! Setting Recoil to Zero!" << std::endl;
  //    }
  //
  //    TMatrixD recoilCov(2,2);
  //    recoilCov(0,0)=100;  recoilCov(0,1)=0;
  //    recoilCov(1,0)=0;    recoilCov(1,1)=100;
  //
  //    HHLorentzVector recoHH = m_bjet1 + m_bjet2 + m_tauvis1 + m_tauvis2 + recoil;
  //    m_MET = TVector2(-recoHH.Px(), -recoHH.Py() );
  //
  //    m_MET_COV = TMatrixD(2,2);
  //    m_MET_COV = recoilCov + bjet1Cov + bjet2Cov;
  //
  //  }
}
HHKinFit2::HHLorentzVector
HHKinFit2::HHLorentzVector::operator-() const
{
  return(HHLorentzVector(-this->Px(), -this->Py(), -this->Pz(), -this->E() ) );
}
HHKinFit2::HHFitObjectMET::HHFitObjectMET(TVector2 const& v,TVector2 const& vfit)
  :HHFitObject(HHLorentzVector(v.X(),v.Y(),0,sqrt(v.X()*v.X()+v.Y()*v.Y()))){
  this->setFit4Vector(HHLorentzVector(vfit.X(),vfit.Y(),0,sqrt(vfit.X()*vfit.X()+vfit.Y()*vfit.Y())));
}
HHKinFit2::HHLorentzVector
HHKinFit2::HHLorentzVector::operator-(HHLorentzVector const& rhs) const{
  return(HHLorentzVector(this->Px()-rhs.Px(),this->Py()-rhs.Py(),this->Pz()-rhs.Pz(),this->E()-rhs.E()));
}