P4ErrorTransforms Namespace Reference

Functions
std::unique_ptr< ErrorMatrixEEtaPhiM >	toEEtaPhiM (const ErrorMatrixPxPyPzE &em, double px, double py, double pz, double E)
std::unique_ptr< ErrorMatrixPxPyPzE >	toPxPyPzE (const ErrorMatrixEEtaPhiM &em, double E, double eta, double phi, double M)

Function Documentation

toEEtaPhiM()

std::unique_ptr< ErrorMatrixEEtaPhiM > P4ErrorTransforms::toEEtaPhiM	(	const ErrorMatrixPxPyPzE &	em,
		double	px,
		double	py,
		double	pz,
		double	E
	)

Definition at line 13 of file P4ErrorTransforms.cxx.

  {
    P4JacobianPxPyPzE2EEtaPhiM J( px, py, pz, E);
    CLHEP::HepSymMatrix res(4);
    res = em.hsm().similarity(J);
    return std::make_unique<ErrorMatrixEEtaPhiM>(res);
  }

toPxPyPzE()

std::unique_ptr< ErrorMatrixPxPyPzE > P4ErrorTransforms::toPxPyPzE	(	const ErrorMatrixEEtaPhiM &	em,
		double	E,
		double	eta,
		double	phi,
		double	M
	)

Definition at line 22 of file P4ErrorTransforms.cxx.

  {
    P4JacobianEEtaPhiM2PxPyPzE J( E, eta, phi, M);
    CLHEP::HepSymMatrix res(4);
    res = em.hsm().similarity(J);
    return std::make_unique<ErrorMatrixPxPyPzE>(res);
  }