MaximalValue Class Reference

#include <CompMethods.h>

List of all members.

Public Member Functions
	MaximalValue (double val, double err)
double	spread (TH1F &hist)
double	spreadError (TH1F &hist)
double	value (TH1F &hist)
double	valueError (TH1F &hist)
	~MaximalValue ()
Private Member Functions
std::pair< int, int >	contour (TH1F &, double &)
double	spread (TH1F &hist, double frac)
Private Attributes
double	err_
double	val_

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Detailed Description

Definition at line 14 of file CompMethods.h.

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Constructor & Destructor Documentation

MaximalValue::MaximalValue	(	double	val,
		double	err
	)		[inline]

Definition at line 18 of file CompMethods.h.

:val_(val), err_(err){};

MaximalValue::~MaximalValue

(

)

[inline]

Definition at line 19 of file CompMethods.h.

{};

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Member Function Documentation

std::pair< int, int > MaximalValue::contour	(	TH1F &	hist,
		double &	frac
	)		[private]

Definition at line 79 of file CompMethods.cc.

References cropTnPTrees::frac, and UserOptions_cff::idx.

{
  int idx=hist.GetMaximumBin(), jdx=hist.GetMaximumBin();
  if(0<=frac && frac<=1){
    while( hist.GetBinContent(idx)/hist.GetMaximum()>frac) --idx;
    while( hist.GetBinContent(jdx)/hist.GetMaximum()>frac) ++jdx;
  }
  return std::pair<int, int>(idx, jdx);
}

double MaximalValue::spread

(

TH1F &

hist

)

[inline]

Definition at line 22 of file CompMethods.h.

References spread().

Referenced by FitHist::fillTargetHistogramBin(), spread(), spreadError(), and valueError().

{ return spread(hist, 0.5); };

double MaximalValue::spread	(	TH1F &	hist,
		double	frac
	)		[inline, private]

Definition at line 28 of file CompMethods.h.

{ return std::fabs(hist.GetBinCenter(contour(hist, frac).second)-hist.GetBinCenter(contour(hist, frac).first)); };

double MaximalValue::spreadError

(

TH1F &

hist

)

[inline]

Definition at line 23 of file CompMethods.h.

References err_, and spread().

Referenced by FitHist::fillTargetHistogramBin().

{ return std::fabs(spread(hist, 0.5-err_)-spread(hist, 0.5+err_))/2; };

double MaximalValue::value

(

TH1F &

hist

)

[inline]

Definition at line 20 of file CompMethods.h.

Referenced by FitHist::fillTargetHistogramBin().

{ return hist.GetBinCenter(hist.GetMaximumBin()); };

double MaximalValue::valueError

(

TH1F &

hist

)

[inline]

Definition at line 21 of file CompMethods.h.

References spread(), and val_.

Referenced by FitHist::fillTargetHistogramBin().

{ return spread(hist, val_); };

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Member Data Documentation

double MaximalValue::err_ [private]

Definition at line 33 of file CompMethods.h.

Referenced by spreadError().

double MaximalValue::val_ [private]

Definition at line 28 of file CompMethods.h.

Referenced by valueError().