LauRealImagGammaCPCoeffSet.cc

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// Copyright University of Warwick 2013 - 2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#include <iostream>
#include <fstream>
#include <vector>

#include "TMath.h"
#include "TRandom.h"

#include "LauRealImagGammaCPCoeffSet.hh"
#include "LauComplex.hh"
#include "LauConstants.hh"
#include "LauParameter.hh"
#include "LauPrint.hh"

ClassImp(LauRealImagGammaCPCoeffSet)


LauRealImagGammaCPCoeffSet::LauRealImagGammaCPCoeffSet(const TString& compName, const Double_t x, const Double_t y, const Double_t xCP, const Double_t yCP, const Double_t xbarCP, const Double_t ybarCP,
                const Bool_t xFixed, const Bool_t yFixed, const Bool_t xCPFixed, const Bool_t yCPFixed, const Bool_t xbarCPFixed, const Bool_t ybarCPFixed) :
        LauAbsCoeffSet(compName),
        x_(new LauParameter("X", x, minRealImagPart_, maxRealImagPart_, xFixed)),
        y_(new LauParameter("Y", y, minRealImagPart_, maxRealImagPart_, yFixed)),
        xCP_(new LauParameter("XCP", xCP, minRealImagPart_, maxRealImagPart_, xCPFixed)),
        yCP_(new LauParameter("YCP", yCP, minRealImagPart_, maxRealImagPart_, yCPFixed)),
        xbarCP_(new LauParameter("XbarCP", xbarCP, minRealImagPart_, maxRealImagPart_, xbarCPFixed)),
        ybarCP_(new LauParameter("YbarCP", ybarCP, minRealImagPart_, maxRealImagPart_, ybarCPFixed)),
        nonCPPart_( x, y),
        cpPart_( 1+xCP, yCP ),
        cpAntiPart_( 1+xbarCP, ybarCP ),
        particleCoeff_( nonCPPart_ * cpPart_ ),
        antiparticleCoeff_( nonCPPart_ * cpAntiPart_ ),
        acp_("ACP", (antiparticleCoeff_.abs2()-particleCoeff_.abs2())/(antiparticleCoeff_.abs2()+particleCoeff_.abs2()), -1.0, 1.0, xCPFixed&&yCPFixed&&xbarCPFixed&&ybarCPFixed)
{
}

LauRealImagGammaCPCoeffSet::LauRealImagGammaCPCoeffSet(const LauRealImagGammaCPCoeffSet& rhs, CloneOption cloneOption, Double_t constFactor) : LauAbsCoeffSet(rhs.name()),
        x_(0),
        y_(0),
        xCP_(0),
        yCP_(0),
        xbarCP_(0),
        ybarCP_(0),
        nonCPPart_( rhs.nonCPPart_ ),
        cpPart_( rhs.cpPart_ ),
        cpAntiPart_( rhs.cpAntiPart_ ),
        particleCoeff_( rhs.particleCoeff_ ),
        antiparticleCoeff_( rhs.antiparticleCoeff_ ),
        acp_( rhs.acp_ )
{
        if ( cloneOption == All || cloneOption == TieRealPart ) {
                x_ = rhs.x_->createClone(constFactor);
        } else {
                x_ = new LauParameter("X", rhs.x_->value(), minRealImagPart_, maxRealImagPart_, rhs.x_->fixed());
                if ( rhs.x_->blind() ) {
                        const LauBlind* blinder = rhs.x_->blinder();
                        x_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
        }

        if ( cloneOption == All || cloneOption == TieImagPart ) {
                y_ = rhs.y_->createClone(constFactor);
        } else {
                y_ = new LauParameter("Y", rhs.y_->value(), minRealImagPart_, maxRealImagPart_, rhs.y_->fixed());
                if ( rhs.y_->blind() ) {
                        const LauBlind* blinder = rhs.y_->blinder();
                        y_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
        }
        
        if ( cloneOption == All || cloneOption == TieCPPars ) {
                xCP_ = rhs.xCP_->createClone(constFactor);
                yCP_ = rhs.yCP_->createClone(constFactor);
                xbarCP_ = rhs.xbarCP_->createClone(constFactor);
                ybarCP_ = rhs.ybarCP_->createClone(constFactor);
        } else {
                xCP_ = new LauParameter("XCP", rhs.xCP_->value(), minRealImagPart_, maxRealImagPart_, rhs.xCP_->fixed());
                if ( rhs.xCP_->blind() ) {
                        const LauBlind* blinder = rhs.xCP_->blinder();
                        xCP_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
                yCP_ = new LauParameter("YCP", rhs.yCP_->value(), minRealImagPart_, maxRealImagPart_, rhs.yCP_->fixed());
                if ( rhs.yCP_->blind() ) {
                        const LauBlind* blinder = rhs.yCP_->blinder();
                        yCP_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
                xbarCP_ = new LauParameter("XbarCP", rhs.xbarCP_->value(), minRealImagPart_, maxRealImagPart_, rhs.xbarCP_->fixed());
                if ( rhs.xbarCP_->blind() ) {
                        const LauBlind* blinder = rhs.xbarCP_->blinder();
                        xbarCP_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
                ybarCP_ = new LauParameter("YbarCP", rhs.ybarCP_->value(), minRealImagPart_, maxRealImagPart_, rhs.ybarCP_->fixed());
                if ( rhs.ybarCP_->blind() ) {
                        const LauBlind* blinder = rhs.ybarCP_->blinder();
                        ybarCP_->blindParameter( blinder->blindingString(), blinder->blindingWidth() );
                }
        }
}

std::vector<LauParameter*> LauRealImagGammaCPCoeffSet::getParameters()
{
        std::vector<LauParameter*> pars;
        pars.push_back(x_);
        pars.push_back(y_);
        if(!xCP_->fixed()) pars.push_back(xCP_);
        if(!yCP_->fixed()) pars.push_back(yCP_);
        if(!xbarCP_->fixed()) pars.push_back(xbarCP_);
        if(!ybarCP_->fixed()) pars.push_back(ybarCP_);
        return pars;
}

void LauRealImagGammaCPCoeffSet::printParValues() const
{
        std::cout << "INFO in LauRealImagGammaCPCoeffSet::printParValues : Component \"" << this->name() << "\" has ";
        std::cout << "x = " << x_->value() << ",\t";
        std::cout << "y = " << y_->value() << ",\t";
        std::cout << "xCP = " << xCP_->value() << ",\t";
        std::cout << "yCP = " << yCP_->value() << ",\t";
        std::cout << "xbarCP = " << xbarCP_->value() << ",\t";
        std::cout << "ybarCP = " << ybarCP_->value() << "." << std::endl;
}

void LauRealImagGammaCPCoeffSet::printTableHeading(std::ostream& stream) const
{
        stream<<"\\begin{tabular}{|l|c|c|c|c|c|c|}"<<std::endl;
        stream<<"\\hline"<<std::endl;
        stream<<"Component & Real Part & Imaginary Part & Particle CP Real Part & Particle CP Imaginary Part & Antiparticle CP Real Part & Antiparticle CP Imaginary Part \\\\"<<std::endl;
        stream<<"\\hline"<<std::endl;
}

void LauRealImagGammaCPCoeffSet::printTableRow(std::ostream& stream) const
{
        LauPrint print;
        TString resName = this->name();
        resName = resName.ReplaceAll("_", "\\_");
        stream<<resName<<"  &  $";
        print.printFormat(stream, x_->value());
        stream<<" \\pm ";
        print.printFormat(stream, x_->error());
        stream<<"$  &  $";
        print.printFormat(stream, y_->value());
        stream<<" \\pm ";
        print.printFormat(stream, y_->error());
        stream<<"$  &  $";
        print.printFormat(stream, xCP_->value());
        stream<<" \\pm ";
        print.printFormat(stream, xCP_->error());
        stream<<"$  &  $";
        print.printFormat(stream, yCP_->value());
        stream<<" \\pm ";
        print.printFormat(stream, yCP_->error());
        stream<<"$  &  $";
        print.printFormat(stream, xbarCP_->value());
        stream<<" \\pm ";
        print.printFormat(stream, xbarCP_->error());
        stream<<"$  &  $";
        print.printFormat(stream, ybarCP_->value());
        stream<<" \\pm ";
        print.printFormat(stream, ybarCP_->error());
        stream<<"$ \\\\"<<std::endl;
}

void LauRealImagGammaCPCoeffSet::randomiseInitValues()
{
        if (x_->fixed() == kFALSE) {
                // Choose a value for "X" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                x_->initValue(value); x_->value(value);
        }
        if (y_->fixed() == kFALSE) {
                // Choose a value for "Y" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                y_->initValue(value);  y_->value(value);
        }
        if (xCP_->fixed() == kFALSE) {
                // Choose a value for "XCP" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                xCP_->initValue(value); xCP_->value(value);
        }
        if (yCP_->fixed() == kFALSE) {
                // Choose a value for "YCP" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                yCP_->initValue(value);  yCP_->value(value);
        }
        if (xbarCP_->fixed() == kFALSE) {
                // Choose a value for "XbarCP" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                xbarCP_->initValue(value); xbarCP_->value(value);
        }
        if (ybarCP_->fixed() == kFALSE) {
                // Choose a value for "YbarCP" between -3.0 and 3.0
                Double_t value = LauAbsCoeffSet::getRandomiser()->Rndm()*6.0 - 3.0;
                ybarCP_->initValue(value); ybarCP_->value(value);
        }
}

void LauRealImagGammaCPCoeffSet::finaliseValues()
{
        // update the pulls
        x_->updatePull();
        y_->updatePull();
        xCP_->updatePull();
        yCP_->updatePull();
        xbarCP_->updatePull();
        ybarCP_->updatePull();
}

const LauComplex& LauRealImagGammaCPCoeffSet::particleCoeff()
{
        nonCPPart_.setRealImagPart( x_->unblindValue(), y_->unblindValue() );
        cpPart_.setRealImagPart( 1.0+xCP_->unblindValue(), yCP_->unblindValue() );
        particleCoeff_ = nonCPPart_ * cpPart_;
        return particleCoeff_;
}

const LauComplex& LauRealImagGammaCPCoeffSet::antiparticleCoeff()
{
        nonCPPart_.setRealImagPart( x_->unblindValue(), y_->unblindValue() );
        cpAntiPart_.setRealImagPart( 1.0+xbarCP_->unblindValue(), ybarCP_->unblindValue() );
        antiparticleCoeff_ = nonCPPart_ * cpAntiPart_;
        return antiparticleCoeff_;
}

void LauRealImagGammaCPCoeffSet::setCoeffValues( const LauComplex&, const LauComplex&, Bool_t )
{
        std::cerr << "ERROR in LauCartesianGammaCPCoeffSet::setCoeffValues : Method not supported by this class - too many parameters" << std::endl;
}

LauParameter LauRealImagGammaCPCoeffSet::acp()
{
        // set the name
        TString parName(this->baseName()); parName += "_ACP";
        acp_.name(parName);

        // work out the ACP value
        const LauComplex nonCPPart( x_->value(), y_->value() );
        const LauComplex cpPart( 1.0+xCP_->value(), yCP_->value() );
        const LauComplex cpAntiPart( 1.0+xbarCP_->value(), ybarCP_->value() );
        const LauComplex partCoeff = nonCPPart * cpPart;
        const LauComplex antiCoeff = nonCPPart * cpAntiPart;

        const Double_t numer = antiCoeff.abs2() - partCoeff.abs2();
        const Double_t denom = antiCoeff.abs2() + partCoeff.abs2();
        const Double_t value = numer/denom;

        // is it fixed?
        const Bool_t fixed = xCP_->fixed() && yCP_->fixed() && xbarCP_->fixed() && ybarCP_->fixed();
        acp_.fixed(fixed);

        // we can't work out the error without the covariance matrix
        const Double_t error(0.0);

        // set the value and error
        acp_.valueAndErrors(value,error);

        return acp_;
}

LauAbsCoeffSet* LauRealImagGammaCPCoeffSet::createClone(const TString& newName, CloneOption cloneOption, Double_t constFactor)
{
        LauAbsCoeffSet* clone(0);
        if ( cloneOption == All || cloneOption == TieRealPart || cloneOption == TieImagPart || cloneOption == TieCPPars ) {
                clone = new LauRealImagGammaCPCoeffSet( *this, cloneOption, constFactor );
                clone->name( newName );
        } else {
                std::cerr << "ERROR in LauRealImagGammaCPCoeffSet::createClone : Invalid clone option" << std::endl;
        }
        return clone;
}