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// -*- C++ -*-
//
// RunningCoupling.cc is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2011 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
//
// This is the implementation of the non-inlined, non-templated member
// functions of the RunningCoupling class.
//
#include "RunningCoupling.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/Interface/Parameter.h"
#include "ThePEG/Persistency/PersistentOStream.h"
#include "ThePEG/Persistency/PersistentIStream.h"
using namespace ThePEG;
AbstractClassDescription<RunningCoupling> RunningCoupling::initRunningCoupling;
void RunningCoupling::persistentOutput(PersistentOStream & os) const {
os << theScaleFactor;
}
void RunningCoupling::persistentInput(PersistentIStream & is, int) {
is >> theScaleFactor;
}
void RunningCoupling::Init() {
static ClassDocumentation<RunningCoupling> documentation
("An abstract base class used to implement running couplings.");
static Parameter<RunningCoupling,double> interfaceScaleFactor
("ScaleFactor",
"The scale factor used to globally rescale the argument of the running coupling",
&RunningCoupling::theScaleFactor, 1.0, 0.0, 0,
false, false, Interface::lowerlim);
interfaceScaleFactor.rank(-1);
}
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