113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
/***************************************************************************
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PFitterFcn.cpp
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Author: Andreas Suter
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e-mail: andreas.suter@psi.ch
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$Id$
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***************************************************************************/
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/***************************************************************************
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* Copyright (C) 2007 by Andreas Suter *
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* andreas.suter@psi.c *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <iostream>
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using namespace std;
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#include "PFitterFcn.h"
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//--------------------------------------------------------------------------
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// Constructor
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//--------------------------------------------------------------------------
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/**
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* <p>
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*
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* \param runList
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* \param fitType
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*/
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PFitterFcn::PFitterFcn(PRunListCollection *runList, bool useChi2)
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{
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fUseChi2 = useChi2;
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if (fUseChi2)
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fUp = 1.0;
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else
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fUp = 0.5;
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fRunListCollection = runList;
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// check if max likelihood is used together with asymmetry/RRF/nonMusr data.
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// if yes place a warning since this option is not implemented and a fall back
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// to chi2 will be used.
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if (!fUseChi2) {
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if ((fRunListCollection->GetNoOfAsymmetry() > 0) ||
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(fRunListCollection->GetNoOfRRF() > 0) ||
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(fRunListCollection->GetNoOfNonMusr() > 0)) {
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cout << endl << "**WARNING**: Maximum Log Likelihood Fit is only implemented for Single Histogram Fit";
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cout << endl << " Will fall back to Chi Square Fit.";
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cout << endl;
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}
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}
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}
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//--------------------------------------------------------------------------
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// Destructor
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//--------------------------------------------------------------------------
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/**
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* <p>
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*/
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PFitterFcn::~PFitterFcn()
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{
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}
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//--------------------------------------------------------------------------
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/**
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* <p>
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*
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* \param par
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*/
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double PFitterFcn::operator()(const std::vector<double>& par) const
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{
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double value = 0.0;
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if (fUseChi2) { // chi square
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value += fRunListCollection->GetSingleHistoChisq(par);
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value += fRunListCollection->GetAsymmetryChisq(par);
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value += fRunListCollection->GetRRFChisq(par);
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value += fRunListCollection->GetNonMusrChisq(par);
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} else { // max likelihood
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value += fRunListCollection->GetSingleHistoMaximumLikelihood(par);
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value += fRunListCollection->GetAsymmetryMaximumLikelihood(par);
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value += fRunListCollection->GetRRFMaximumLikelihood(par);
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value += fRunListCollection->GetNonMusrMaximumLikelihood(par);
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}
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// cout << endl;
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// for (unsigned int i=0; i<par.size(); i++) {
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// cout << par[i] << ", ";
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// }
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//cout << endl << "chisq = " << value;
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// cout << endl << "------" << endl;
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return value;
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}
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