LauRealImagCoeffSet.cc

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// Copyright University of Warwick 2006 - 2013.
// 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 "LauComplex.hh"
#include "LauConstants.hh"
#include "LauRealImagCoeffSet.hh"
#include "LauParameter.hh"
#include "LauPrint.hh"
#include "LauRandom.hh"

ClassImp(LauRealImagCoeffSet)


LauRealImagCoeffSet::LauRealImagCoeffSet(const TString& compName, Double_t x, Double_t y, Bool_t xFixed, Bool_t yFixed) :
        LauAbsCoeffSet(compName),
        x_(new LauParameter("X",x,minRealImagPart_,maxRealImagPart_,xFixed)),
        y_(new LauParameter("Y",y,minRealImagPart_,maxRealImagPart_,yFixed)),
        coeff_(x,y)
{
}

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

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

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

void LauRealImagCoeffSet::printParValues() const
{
        std::cout<<"INFO in LauRealImagCoeffSet::printParValues : Component \""<<this->name()<<"\" has real part = "<<x_->value()<<" and imaginary part = "<<y_->value()<<"."<<std::endl;
}

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

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

void LauRealImagCoeffSet::randomiseInitValues()
{
        if (x_->fixed() == kFALSE) {
                // Choose a value between -10.0 and 10.0
                Double_t value = LauRandom::zeroSeedRandom()->Rndm()*20.0 - 10.0;
                x_->initValue(value); x_->value(value);
        }
        if (y_->fixed() == kFALSE) {
                // Choose a value between -10.0 and 10.0
                Double_t value = LauRandom::zeroSeedRandom()->Rndm()*20.0 - 10.0;
                y_->initValue(value); y_->value(value);
        }
}

void LauRealImagCoeffSet::finaliseValues()
{
        x_->updatePull();
        y_->updatePull();
}

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

const LauComplex& LauRealImagCoeffSet::antiparticleCoeff()
{
        return this->particleCoeff();
}

void LauRealImagCoeffSet::setCoeffValues( const LauComplex& coeff, const LauComplex& coeffBar, Bool_t init )
{
        LauComplex average( coeff );
        average += coeffBar;
        average.rescale( 0.5 );

        Double_t xVal( average.re() );
        Double_t yVal( average.im() );

        x_->value( xVal );
        y_->value( yVal );

        if ( init ) {
                x_->genValue( xVal );
                y_->genValue( yVal );

                x_->initValue( xVal );
                y_->initValue( yVal );
        }
}

LauParameter LauRealImagCoeffSet::acp()
{
        TString parName(this->baseName()); parName += "_ACP";
        return LauParameter(parName,0.0);
}

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