genie::rew::GReWeightINukeParams::MFP Class Reference

#include <GReWeightINukeParams.h>

Public Member Functions
	MFP (HadronType_t hadtype=kRwINukeUndefined)
	~MFP ()
double	ScaleFactor (void) const
	mean free path scale factor = 1 + twk_dial * fractional_err More...
double	TwkDial (void) const
	current value of mfp tweak dial More...
bool	IsIncluded (void) const
bool	IsTweaked (void) const
double	ChisqPenalty (void) const
void	Reset (void)
void	SetTwkDial (double val)

Private Attributes
HadronType_t	fHadType
GSyst_t	fSyst
double	fTwkDial
bool	fIsIncluded

Detailed Description

Definition at line 109 of file GReWeightINukeParams.h.

Constructor & Destructor Documentation

GReWeightINukeParams::MFP::MFP

(

GReWeightINukeParams::HadronType_t

ht = kRwINukeUndefined

)

Definition at line 600 of file GReWeightINukeParams.cxx.

{
  assert(ht != kRwINukeUndefined);

  fHadType = ht;

  // get corresponding GSyst_t param
  if      (ht == kRwINukePion) fSyst = kINukeTwkDial_MFP_pi;
  else if (ht == kRwINukeNucl) fSyst = kINukeTwkDial_MFP_N;
  else {
    LOG("ReW", pFATAL) 
      << "Mean-free path reweighting code handles only pions or nucleons";
    exit(1);
  }

  this->Reset();
}

GReWeightINukeParams::MFP::~MFP

(

)

Definition at line 618 of file GReWeightINukeParams.cxx.

{

}

Member Function Documentation

double GReWeightINukeParams::MFP::ChisqPenalty

(

void

)

const

Definition at line 651 of file GReWeightINukeParams.cxx.

{
  return TMath::Power(fTwkDial, 2.0);
}

bool GReWeightINukeParams::MFP::IsIncluded

(

void

)

const

Definition at line 641 of file GReWeightINukeParams.cxx.

{
  return fIsIncluded;
}

bool GReWeightINukeParams::MFP::IsTweaked

(

void

)

const

Definition at line 646 of file GReWeightINukeParams.cxx.

{
  return (TMath::Abs(fTwkDial) >= controls::kASmallNum);
}

void GReWeightINukeParams::MFP::Reset

(

void

)

Definition at line 656 of file GReWeightINukeParams.cxx.

{
  fTwkDial    = 0.0;
  fIsIncluded = false;
}

double GReWeightINukeParams::MFP::ScaleFactor

(

void

)

const

mean free path scale factor = 1 + twk_dial * fractional_err

Definition at line 623 of file GReWeightINukeParams.cxx.

{
  if(! this->IsTweaked()) return 1.;

  GSystUncertainty * uncert = GSystUncertainty::Instance();

  double mfp_sigma    = uncert->OneSigmaErr(fSyst);
  double mfp_twkdial  = this->TwkDial();
  double scale_factor = 1.0 + mfp_sigma * mfp_twkdial;

  return scale_factor;  
}

void GReWeightINukeParams::MFP::SetTwkDial

(

double

val

)

Definition at line 662 of file GReWeightINukeParams.cxx.

{
  fTwkDial    = val;
  fIsIncluded = true;
}

double GReWeightINukeParams::MFP::TwkDial

(

void

)

const

current value of mfp tweak dial

Definition at line 636 of file GReWeightINukeParams.cxx.

{
  return fTwkDial;
}

Member Data Documentation

HadronType_t genie::rew::GReWeightINukeParams::MFP::fHadType

private

Definition at line 123 of file GReWeightINukeParams.h.

bool genie::rew::GReWeightINukeParams::MFP::fIsIncluded

private

Definition at line 126 of file GReWeightINukeParams.h.

GSyst_t genie::rew::GReWeightINukeParams::MFP::fSyst

private

Definition at line 124 of file GReWeightINukeParams.h.

double genie::rew::GReWeightINukeParams::MFP::fTwkDial

private

Definition at line 125 of file GReWeightINukeParams.h.

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

• GENIE/src/ReWeight/GReWeightINukeParams.h
• GENIE/src/ReWeight/GReWeightINukeParams.cxx