TrkOutAvgTimeCalculator::ws Class Reference

List of all members.

Public Member Functions
	ws (double x=0, double w=0)
ws &	operator+= (const ws &x)
ws &	operator-= (const ws &x)
bool	operator== (const ws &x) const
bool	isPhysical () const
double	mean () const
double	sigma () const
double	pull (const ws &x) const
unsigned	n () const
Private Member Functions
double	sigma2 () const
Private Attributes
double	_w
double	_wx
unsigned	_n

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Detailed Description

Definition at line 42 of file TrkOutAvgTimeCalculator.h.

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Constructor & Destructor Documentation

TrkOutAvgTimeCalculator::ws::ws	(	double	x = 0,
		double	w = 0
	)			[inline]

Definition at line 44 of file TrkOutAvgTimeCalculator.h.

References w.

:_w(w),_wx(w*x),_n(w>0?1:0) { assert(!(w<0));}

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Member Function Documentation

bool TrkOutAvgTimeCalculator::ws::isPhysical

(

)

const [inline]

Definition at line 48 of file TrkOutAvgTimeCalculator.h.

References _w.

Referenced by TrkOutAvgTimeCalculator::trackTime().

{ return _w>0;}

double TrkOutAvgTimeCalculator::ws::mean

(

)

const [inline]

Definition at line 49 of file TrkOutAvgTimeCalculator.h.

References _w, and _wx.

Referenced by pull(), and TrkOutAvgTimeCalculator::trackTime().

{return _wx/_w;}

unsigned TrkOutAvgTimeCalculator::ws::n

(

)

const [inline]

Definition at line 52 of file TrkOutAvgTimeCalculator.h.

References _n.

Referenced by TrkOutAvgTimeCalculator::trackTime().

{ return _n;}

ws& TrkOutAvgTimeCalculator::ws::operator+=

(

const ws &

x

)

[inline]

Definition at line 45 of file TrkOutAvgTimeCalculator.h.

References _n, _w, _wx, and x.

{ _wx += x._wx; _w+=x._w; _n+=x._n; return *this;}

ws& TrkOutAvgTimeCalculator::ws::operator-=

(

const ws &

x

)

[inline]

Definition at line 46 of file TrkOutAvgTimeCalculator.h.

References _n, _w, _wx, and x.

{ _wx -= x._wx; _w-=x._w; _n-=x._n; return *this;}

bool TrkOutAvgTimeCalculator::ws::operator==

(

const ws &

x

)

const [inline]

Definition at line 47 of file TrkOutAvgTimeCalculator.h.

References _n, _w, _wx, and x.

{ return _w==x._w && _wx==x._wx && _n==x._n;}

double TrkOutAvgTimeCalculator::ws::pull

(

const ws &

x

)

const [inline]

Definition at line 51 of file TrkOutAvgTimeCalculator.h.

References mean(), sigma2(), and x.

{ return (mean()-x.mean())/sqrt(sigma2()+x.sigma2()); }

double TrkOutAvgTimeCalculator::ws::sigma

(

)

const [inline]

Definition at line 50 of file TrkOutAvgTimeCalculator.h.

References _w.

Referenced by TrkOutAvgTimeCalculator::trackTime().

{ return double(1)/sqrt(_w);}

double TrkOutAvgTimeCalculator::ws::sigma2

(

)

const [inline, private]

Definition at line 54 of file TrkOutAvgTimeCalculator.h.

References _w.

Referenced by pull().

{ return double(1)/_w;}

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Member Data Documentation

unsigned TrkOutAvgTimeCalculator::ws::_n [private]

Definition at line 56 of file TrkOutAvgTimeCalculator.h.

Referenced by n(), operator+=(), operator-=(), and operator==().

double TrkOutAvgTimeCalculator::ws::_w [private]

Definition at line 55 of file TrkOutAvgTimeCalculator.h.

Referenced by isPhysical(), mean(), operator+=(), operator-=(), operator==(), sigma(), and sigma2().

double TrkOutAvgTimeCalculator::ws::_wx [private]

Definition at line 55 of file TrkOutAvgTimeCalculator.h.

Referenced by mean(), operator+=(), operator-=(), and operator==().

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