LauRealImagCPCoeffSet.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 "LauRealImagCPCoeffSet.hh"
#include "LauComplex.hh"
#include "LauConstants.hh"
#include "LauParameter.hh"
#include "LauPrint.hh"
#include "LauRandom.hh"

ClassImp(LauRealImagCPCoeffSet)


LauRealImagCPCoeffSet::LauRealImagCPCoeffSet(const TString& compName, Double_t x, Double_t y, Double_t xbar, Double_t ybar,
                Bool_t xFixed, Bool_t yFixed, Bool_t xbarFixed, Bool_t ybarFixed) :
        LauAbsCoeffSet(compName),
        x_(new LauParameter("X", x, minRealImagPart_, maxRealImagPart_, xFixed)),
        y_(new LauParameter("Y", y, minRealImagPart_, maxRealImagPart_, yFixed)),
        xbar_(new LauParameter("Xbar", xbar, minRealImagPart_, maxRealImagPart_, xbarFixed)),
        ybar_(new LauParameter("Ybar", ybar, minRealImagPart_, maxRealImagPart_, ybarFixed)),
        particleCoeff_(x,y),
        antiparticleCoeff_(xbar,ybar),
        acp_("ACP", 0.0, -1.0, 1.0, kTRUE)
{
}

LauRealImagCPCoeffSet::LauRealImagCPCoeffSet(const LauRealImagCPCoeffSet& rhs, CloneOption cloneOption, Double_t constFactor) : LauAbsCoeffSet(rhs.name()),
        x_(0),
        y_(0),
        xbar_(0),
        ybar_(0),
        particleCoeff_( rhs.particleCoeff_ ),
        antiparticleCoeff_( rhs.antiparticleCoeff_ ),
        acp_( rhs.acp_ )
{
        if ( cloneOption == All || cloneOption == TieRealPart ) {
                x_ = rhs.x_->createClone(constFactor);
                xbar_ = rhs.xbar_->createClone(constFactor);
        } else {
                x_ = new LauParameter("X", rhs.x_->value(), minRealImagPart_, maxRealImagPart_, rhs.x_->fixed());
                xbar_ = new LauParameter("Xbar", rhs.xbar_->value(), minRealImagPart_, maxRealImagPart_, rhs.xbar_->fixed());
        }

        if ( cloneOption == All || cloneOption == TieImagPart ) {
                y_ = rhs.y_->createClone(constFactor);
                ybar_ = rhs.ybar_->createClone(constFactor);
        } else {
                y_ = new LauParameter("Y", rhs.y_->value(), minRealImagPart_, maxRealImagPart_, rhs.y_->fixed());
                ybar_ = new LauParameter("Ybar", rhs.ybar_->value(), minRealImagPart_, maxRealImagPart_, rhs.ybar_->fixed());
        }
}

std::vector<LauParameter*> LauRealImagCPCoeffSet::getParameters()
{
        std::vector<LauParameter*> pars;
        pars.push_back(x_);
        pars.push_back(y_);
        pars.push_back(xbar_);
        pars.push_back(ybar_);
        return pars;
}

void LauRealImagCPCoeffSet::printParValues() const
{
        std::cout << "INFO in LauRealImagCPCoeffSet::printParValues : Component \"" << this->name() << "\" has ";
        std::cout << "x = " << x_->value() << ",\t";
        std::cout << "y = " << y_->value() << ",\t";
        std::cout << "xbar = " << xbar_->value() << ",\t";
        std::cout << "ybar = " << ybar_->value() << "." << std::endl;
}

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

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

void LauRealImagCPCoeffSet::randomiseInitValues()
{
        if (x_->fixed() == kFALSE) {
                // Choose a value for "X" between -3.0 and 3.0
                Double_t value = LauRandom::zeroSeedRandom()->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 = LauRandom::zeroSeedRandom()->Rndm()*6.0 - 3.0;
                y_->initValue(value);  y_->value(value);
        }
        if (xbar_->fixed() == kFALSE) {
                // Choose a value for "Xbar" between -3.0 and 3.0
                Double_t value = LauRandom::zeroSeedRandom()->Rndm()*6.0 - 3.0;
                xbar_->initValue(value); xbar_->value(value);
        }
        if (ybar_->fixed() == kFALSE) {
                // Choose a value for "Ybar" between -3.0 and 3.0
                Double_t value = LauRandom::zeroSeedRandom()->Rndm()*6.0 - 3.0;
                ybar_->initValue(value); ybar_->value(value);
        }
}

void LauRealImagCPCoeffSet::finaliseValues()
{
        // update the pulls
        x_->updatePull();
        y_->updatePull();
        xbar_->updatePull();
        ybar_->updatePull();
}

const LauComplex& LauRealImagCPCoeffSet::particleCoeff()
{
        particleCoeff_.setRealImagPart( x_->value(), y_->value() );
        return particleCoeff_;
}

const LauComplex& LauRealImagCPCoeffSet::antiparticleCoeff()
{
        antiparticleCoeff_.setRealImagPart( xbar_->value(), ybar_->value() );
        return antiparticleCoeff_;
}

void LauRealImagCPCoeffSet::setCoeffValues( const LauComplex& coeff, const LauComplex& coeffBar, Bool_t init )
{
        Double_t xVal( coeff.re() );
        Double_t yVal( coeff.im() );
        Double_t xBarVal( coeffBar.re() );
        Double_t yBarVal( coeffBar.im() );

        x_->value( xVal );
        y_->value( yVal );
        xbar_->value( xBarVal );
        ybar_->value( yBarVal );

        if ( init ) {
                x_->genValue( xVal );
                y_->genValue( yVal );
                xbar_->genValue( xBarVal );
                ybar_->genValue( yBarVal );

                x_->initValue( xVal );
                y_->initValue( yVal );
                xbar_->initValue( xBarVal );
                ybar_->initValue( yBarVal );
        }
}

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

        // work out the ACP value
        Double_t csq = x_->value()*x_->value() + y_->value()*y_->value();
        Double_t cbarsq = xbar_->value()*xbar_->value() + ybar_->value()*ybar_->value();
        Double_t numer = cbarsq - csq;
        Double_t denom = cbarsq + csq;
        Double_t value = numer/denom;

        // is it fixed?
        Bool_t fixed = x_->fixed() && y_->fixed() && xbar_->fixed() && ybar_->fixed();
        acp_.fixed(fixed);

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

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

        return acp_;
}

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