ana::SigmaDelta Class Reference

#include "/cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-02-25/CAFAna/Vars/FitVarsCPT.h"

Public Member Functions
	SigmaDelta (osc::OscCalcCPT *osc, const IConstrainedFitVar &x, const IConstrainedFitVar &y)

Private Member Functions
double	GetSigma (const osc::IOscCalcAdjustable *osc) const
double	GetDelta (const osc::IOscCalcAdjustable *osc) const
void	SetSigma (osc::IOscCalcAdjustable *osc, double val)
void	SetDelta (osc::IOscCalcAdjustable *osc, double val)
double	SigmaPenalty (double val, osc::IOscCalcAdjustable *) const
double	DeltaPenalty (double val) const
void	SetFitVars (osc::OscCalcCPT *)

Private Attributes
const IConstrainedFitVar &	fXvar
const IConstrainedFitVar &	fYvar
const double	fCenterDelta
const double	fCenterSigma

Friends
class	FitSigmaCPT
class	FitDeltaCPT

Detailed Description

Helper class, allows FitVar pairs like var1+var2, var1-var2 Requires CPT calculator to cache data when parallelized

Definition at line 246 of file FitVarsCPT.h.

Constructor & Destructor Documentation

ana::SigmaDelta::SigmaDelta	(	osc::OscCalcCPT *	osc,
		const IConstrainedFitVar &	x,
		const IConstrainedFitVar &	y
	)

Definition at line 103 of file FitVarsCPT.cxx.

References ana::assert(), fCenterDelta, fCenterSigma, osc::OscCalcCPT::fSigDel, fXvar, fYvar, ana::IFitVar::GetValue(), ana::IConstrainedFitVar::HighLimit(), and ana::IConstrainedFitVar::LowLimit().

    : fXvar(x), fYvar(y),
      fCenterDelta(fXvar.HighLimit() - fYvar.HighLimit()),
      fCenterSigma(fXvar.HighLimit() + fYvar.LowLimit())
  {
    // Check to make sure the allowed area is square. If not, the logic is
    // more complicated, but most pairs of CPT FitVars have matched ranges.
    assert ( fCenterDelta == (fXvar.LowLimit() - fYvar.LowLimit()) );
    assert ( fCenterSigma == (fXvar.LowLimit() + fYvar.HighLimit()) );
    osc->fSigDel[this] = {fXvar.GetValue(osc)+fYvar.GetValue(osc),
                          fXvar.GetValue(osc)-fYvar.GetValue(osc)};
  }

Member Function Documentation

double ana::SigmaDelta::DeltaPenalty ( double  val ) const

private

Definition at line 137 of file FitVarsCPT.cxx.

  {
    return 0; //have to check both vars, so just apply the penalty in sigma
  }

double ana::SigmaDelta::GetDelta ( const osc::IOscCalcAdjustable *  osc ) const

private

Definition at line 120 of file FitVarsCPT.cxx.

References osc::DowncastToCPT(), and osc::OscCalcCPT::fSigDel.

    { return osc::DowncastToCPT(osc)->fSigDel[this].second; }

double ana::SigmaDelta::GetSigma ( const osc::IOscCalcAdjustable *  osc ) const

private

Definition at line 118 of file FitVarsCPT.cxx.

References osc::DowncastToCPT(), and osc::OscCalcCPT::fSigDel.

    { return osc::DowncastToCPT(osc)->fSigDel[this].first; }

void ana::SigmaDelta::SetDelta ( osc::IOscCalcAdjustable *  osc, double  val  )

private

Definition at line 130 of file FitVarsCPT.cxx.

References osc::DowncastToCPT(), osc::OscCalcCPT::fSigDel, SetFitVars(), and febshutoff_auto::val.

  {
    osc::OscCalcCPT* cpt = osc::DowncastToCPT(osc);
    cpt->fSigDel[this].second = val;
    SetFitVars(cpt);
  }

void ana::SigmaDelta::SetFitVars ( osc::OscCalcCPT *  osc )

private

Definition at line 155 of file FitVarsCPT.cxx.

References delta, fCenterDelta, fCenterSigma, osc::OscCalcCPT::fSigDel, fXvar, fYvar, ana::IFitVar::GetValue(), ana::IFitVar::SetValue(), and sigma().

Referenced by SetDelta(), and SetSigma().

  {
    double sigma = osc->fSigDel[this].first;
    double delta = osc->fSigDel[this].second;
    //if requested value is impossible, try to at least maintain delta
    if( (delta>fCenterDelta)==(sigma>fCenterSigma) )
    {
      fXvar.SetValue(osc, (sigma+delta)/2);
      double xc = fXvar.GetValue(osc);
      fYvar.SetValue(osc, xc-delta);
    }
    else
    {
      fYvar.SetValue(osc, (sigma-delta)/2);
      double yc = fYvar.GetValue(osc);
      fXvar.SetValue(osc, yc+delta);
    }
  }

void ana::SigmaDelta::SetSigma ( osc::IOscCalcAdjustable *  osc, double  val  )

private

Definition at line 123 of file FitVarsCPT.cxx.

References osc::DowncastToCPT(), osc::OscCalcCPT::fSigDel, SetFitVars(), and febshutoff_auto::val.

  {
    osc::OscCalcCPT* cpt = osc::DowncastToCPT(osc);
    cpt->fSigDel[this].first = val;
    SetFitVars(cpt);
  }

double ana::SigmaDelta::SigmaPenalty ( double  val, osc::IOscCalcAdjustable *  osc  ) const

private

Definition at line 142 of file FitVarsCPT.cxx.

References delta, osc::DowncastToCPT(), osc::OscCalcCPT::fSigDel, fXvar, fYvar, ana::IConstrainedFitVar::HighLimit(), ana::IConstrainedFitVar::LowLimit(), and ana::IConstrainedFitVar::Penalty().

  {
    osc::OscCalcCPT* cpt = osc::DowncastToCPT(osc);
    double delta = cpt->fSigDel[this].second;

    return (   fXvar.Penalty( (val+delta)/2 , osc)
             + fYvar.Penalty( (val-delta)/2 , osc)
             + 1000*(delta > (fXvar.HighLimit()-fYvar.LowLimit()) )
             + 1000*(delta < (fXvar.LowLimit()-fYvar.HighLimit()) )
           ); //extra 1000 is in case contour hits impossible region
  }

Friends And Related Function Documentation

friend class FitDeltaCPT

friend

Definition at line 249 of file FitVarsCPT.h.

friend class FitSigmaCPT

friend

Definition at line 248 of file FitVarsCPT.h.

Member Data Documentation

const double ana::SigmaDelta::fCenterDelta

private

Definition at line 264 of file FitVarsCPT.h.

Referenced by SetFitVars(), and SigmaDelta().

const double ana::SigmaDelta::fCenterSigma

private

Definition at line 265 of file FitVarsCPT.h.

Referenced by SetFitVars(), and SigmaDelta().

const IConstrainedFitVar& ana::SigmaDelta::fXvar

private

Definition at line 261 of file FitVarsCPT.h.

Referenced by SetFitVars(), SigmaDelta(), and SigmaPenalty().

const IConstrainedFitVar& ana::SigmaDelta::fYvar

private

Definition at line 262 of file FitVarsCPT.h.

Referenced by SetFitVars(), SigmaDelta(), and SigmaPenalty().

---

The documentation for this class was generated from the following files:

• /cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-02-25/CAFAna/Vars/FitVarsCPT.h
• /cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-02-25/CAFAna/Vars/FitVarsCPT.cxx