hepmc
Subversion Repositories:
| /branches/HEPMC_02_01_branch/src/GenParticle.cc |
|---|
| @@ -36,15 +36,24 @@ |
| } |
| GenParticle::GenParticle( const GenParticle& inparticle ) : |
| m_pdg_id(0), m_status(0), m_flow(this), |
| m_production_vertex(0), m_end_vertex(0), m_barcode(0), |
| m_generated_mass(0.) |
| m_momentum( inparticle.momentum() ), |
| m_pdg_id( inparticle.pdg_id() ), |
| m_status( inparticle.status() ), |
| m_flow(this), |
| m_polarization( inparticle.polarization() ), |
| m_production_vertex(0), |
| m_end_vertex(0), |
| m_barcode(0), |
| m_generated_mass( inparticle.generated_mass() ), |
| m_serialnumber( inparticle.serialnumber() ) |
| { |
| /// Shallow copy: does not copy the vertex pointers |
| /// (note - impossible to copy vertex pointers which having the vertex |
| /// and particles in/out point-back to one another -- unless you |
| /// copy the entire tree -- which we don't want to do) |
| *this = inparticle; |
| set_production_vertex_( 0 ); |
| set_end_vertex_( 0 ); |
| suggest_barcode( inparticle.barcode() ); |
| s_counter++; |
| } |
| @@ -53,25 +62,30 @@ |
| s_counter--; |
| } |
| void GenParticle::swap( GenParticle & other) |
| { |
| // if a container has a swap method, use that for improved performance |
| m_momentum.swap( other.m_momentum ); |
| std::swap( m_pdg_id, other.m_pdg_id ); |
| std::swap( m_status, other.m_status ); |
| m_flow.swap( other.m_flow ); |
| m_polarization.swap( other.m_polarization ); |
| std::swap( m_production_vertex, other.m_production_vertex ); |
| std::swap( m_end_vertex, other.m_end_vertex ); |
| std::swap( m_barcode, other.m_barcode ); |
| std::swap( m_generated_mass, other.m_generated_mass ); |
| std::swap( m_serialnumber, other.m_serialnumber ); |
| } |
| GenParticle& GenParticle::operator=( const GenParticle& inparticle ) { |
| /// Shallow: does not copy the vertex pointers |
| /// (note - impossible to copy vertex pointers which having the vertex |
| /// and particles in/out point-back to one another -- unless you |
| /// copy the entire tree -- which we don't want to do) |
| // Protect against self assignment |
| // This works, but is not best practices |
| // Best practices involves a rewrite to use the copy constructor and swap |
| if( this != &inparticle ) { |
| set_momentum( inparticle.momentum() ); |
| set_pdg_id( inparticle.pdg_id() ); |
| set_status( inparticle.status() ); |
| set_production_vertex_( 0 ); |
| set_end_vertex_( 0 ); |
| set_flow(inparticle.m_flow); |
| set_polarization( inparticle.polarization() ); |
| suggest_barcode( inparticle.barcode() ); |
| set_generated_mass( inparticle.generated_mass() ); |
| } |
| // best practices implementation |
| GenParticle tmp( inparticle ); |
| swap( tmp ); |
| return *this; |
| } |