Component.cc
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Component.cc
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	// -- C++ --
	//
	// This is the implementation of the non-inlined, non-templated member
	// functions of the Component class.
	//

	#include "Component.h"

	// using namespace Pythia7;
	using namespace Herwig;


	Ptr<GlobalParameters>::pointer Component::_pointerGlobalParameters = Ptr<GlobalParameters>::pointer();


	Component::Component(tPPtr pptr) : _beamRemnant(false) {
	if ( pptr ) {
	_id = pptr->data().id();
	Energy Q0 = Energy();
	if ( _pointerGlobalParameters ) Q0 = _pointerGlobalParameters->effectiveGluonMass();
	if ( pptr->scale() > Q0*Q0 ) {
	_perturbative = true;
	} else {
	_perturbative = false;
	}

	// Notice that the mass (5-th component) of the component is set
	// by hand to the constituent mass (whereas the original mass
	// of the pointed particle could be the current mass). It is not
	// harmful to leave the 5-momentum of the component in an
	// inconsistent state (that is its mass is not the invariant
	// mass obtained from the 4-momentum).
	_momentum = pptr->momentum();
	_momentum.setMass( pptr->data().constituentMass() );

	_position = pptr->labVertex();
	} else {
	_id = 0;
	_perturbative = false;
	}
	_pptr = pptr;
	}