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//--------------------------------------------------------------------------------------------------
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// $Id: MathUtils.h,v 1.8 2009/05/11 08:23:06 loizides Exp $
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//
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// TPFuncs
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//
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// Function for tag-and-probe fits.
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//
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// Authors: C.Loizides, G.Ceballos
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//--------------------------------------------------------------------------------------------------
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#ifndef MITCOMMON_MATHTOOLS_TPFUNCS_H
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#define MITCOMMON_MATHTOOLS_TPFUNCS_H
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#include "MitCommon/DataFormats/interface/Types.h"
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#include <TMath.h>
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class TF1;
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namespace mithep
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{
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class TPFuncs {
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public:
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static Double_t BreitGaus(Double_t x, Double_t m, Double_t mwidth, Double_t msig,
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Double_t fintf, Double_t xmin, Double_t xmax);
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static Double_t BreitGaus(Double_t *x, Double_t *par);
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static Double_t BreitWignerGamma(Double_t x, Double_t mean, Double_t gamma);
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static Double_t BreitWignerGamma(Double_t *x, Double_t *par);
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static Double_t BreitWignerZ(Double_t x, Double_t mean, Double_t gamma);
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static Double_t BreitWignerZ(Double_t *x, Double_t *par);
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static Double_t ExpRange(Double_t x, Double_t lambda, Double_t xmin, Double_t xmax);
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static Double_t ExpRange(Double_t *x, Double_t *par);
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static Double_t SigPlusB(Double_t *x, Double_t *par);
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static TF1 *CreateSigPlusB(Double_t norm=1, Double_t xmin=60, Double_t xmax=110,
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const char *n="ZSigPlusB");
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};
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}
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#endif
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