Pythia7::Shower::Hist Class Reference

Simple histogram class to be used internally in the Pythia7 Shower classes for testing purposes. More...

#include <Basics.h>

List of all members.

Public Member Functions
	Hist ()
	Default constructor.
	Hist (string titlein, long nbinin=100, double xminin=0., double xmaxin=1.)
	Standard constructor.
	Hist (const Hist &h)
	Copy constructor.
	Hist (string titlein, const Hist &h)
	Copy constructor giving a new title.
Hist &	operator= (const Hist &h)
	Assignment operator.
void	book (string=" ", long=100, double=0., double=1.)
	(Re-) Book this histogram.
void	name (string=" ")
	Set a new name.
void	null ()
	Reset this histogram.
void	fill (double, double=1.)
	Fill histogram.
void	table (ostream &=cout) const
	Print histogram to the given stream.
bool	sameSize (const Hist &) const
	Check if the given histogram is compatible with this.
Hist &	operator+= (const Hist &)
	Add histogram.
Hist &	operator-= (const Hist &)
	Subtract histogram.
Hist &	operator*= (const Hist &)
	Multiply by histogram (bin-by-bin).
Hist &	operator/= (const Hist &)
	Divide by histogram (bin-by-bin).
Hist &	operator+= (double)
	Add number to each bin.
Hist &	operator-= (double)
	Subtract number from each bin.
Hist &	operator*= (double)
	Multiply by number in each bin.
Hist &	operator/= (double)
	Divide by number in each bin.
Static Public Attributes
static long	NLINES
	The maximum number of lines a histogram can use at output.
static double	TOLERANCE
	Tolerance in deviation of xmin and xmax between two histograms.
static double	TINY
	Small number to avoid division by zero.
Private Attributes
string	title
	The title.
long	nbin
	The number of bins.
long	nfill
	The number of times fill() has been called.
double	xmin
	the lower cut.
double	xmax
	the upper cut.
double	dx
	the bin width.
double	under
	the underflow bin.
double	inside
	the sum of all bins.
double	over
	the overflow bin.
vector< double >	res
	The bins.
Friends
Hist	operator+ (double, const Hist &)
	Add number and histogram.
Hist	operator+ (const Hist &, double)
	Add number and histogram.
Hist	operator+ (const Hist &, const Hist &)
	Add two histograms.
Hist	operator- (double, const Hist &)
	Subtraction between number and histogram.
Hist	operator- (const Hist &, double)
	Subtraction between number and histogram.
Hist	operator- (const Hist &, const Hist &)
	Subtraction between two histograms.
Hist	operator* (double, const Hist &)
	Multiply number with histogram (bin-by-bin).
Hist	operator* (const Hist &, double)
	Multiply number with histogram (bin-by-bin).
Hist	operator* (const Hist &, const Hist &)
	Multiply two histograms (bin-by-bin).
Hist	operator/ (double, const Hist &)
	Divide number with histogram (bin-by-bin).
Hist	operator/ (const Hist &, double)
	Divide histogram with number (bin-by-bin).
Hist	operator/ (const Hist &, const Hist &)
	Divide two histograms (bin-by-bin).
ostream &	operator<< (ostream &, const Hist &)
	Standard output operator.
void	table (const vector< Hist > &, ostream &=cout)
	Non-member function of table(ostream&).

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Detailed Description

Simple histogram class to be used internally in the Pythia7 Shower classes for testing purposes.

Definition at line 179 of file Basics.h.

---

Constructor & Destructor Documentation

Pythia7::Shower::Hist::Hist	(	string	titlein,
		long	nbinin = 100,
		double	xminin = 0.,
		double	xmaxin = 1.
	)			[inline]

Standard constructor.

Parameters:

	titlein	the title of the histogram.
	nbinin	the number of bins.
	xminin	the lower edge of the histogram.
	xmaxin	the upper edge of the histogram

Definition at line 204 of file Basics.h.

References book().

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Member Function Documentation

void Pythia7::Shower::Hist::book	(	string	= "  ",
		long	= 100,
		double	= 0.,
		double	= 1.
	)

(Re-) Book this histogram.

(Same parameters as in the Standard constructor)

Referenced by Hist().

void Pythia7::Shower::Hist::table

(

ostream &

= cout

)

const

Print histogram to the given stream.

Print a table of x and y values suitable to be used by programs such as gnuplot.

Hist& Pythia7::Shower::Hist::operator+=

(

const Hist &

)

Add histogram.

Hist& Pythia7::Shower::Hist::operator-=

(

const Hist &

)

Subtract histogram.

Hist& Pythia7::Shower::Hist::operator*=

(

const Hist &

)

Multiply by histogram (bin-by-bin).

Hist& Pythia7::Shower::Hist::operator/=

(

const Hist &

)

Divide by histogram (bin-by-bin).

Hist& Pythia7::Shower::Hist::operator+=

(

double

)

Add number to each bin.

Hist& Pythia7::Shower::Hist::operator-=

(

double

)

Subtract number from each bin.

Hist& Pythia7::Shower::Hist::operator*=

(

double

)

Multiply by number in each bin.

Hist& Pythia7::Shower::Hist::operator/=

(

double

)

Divide by number in each bin.

---

Friends And Related Function Documentation

Hist operator+	(	double	,
		const Hist &
	)			[friend]

Add number and histogram.

Hist operator+	(	const Hist &	,
		double
	)			[friend]

Add number and histogram.

Hist operator+	(	const Hist &	,
		const Hist &
	)			[friend]

Add two histograms.

Hist operator-	(	double	,
		const Hist &
	)			[friend]

Subtraction between number and histogram.

Hist operator-	(	const Hist &	,
		double
	)			[friend]

Subtraction between number and histogram.

Hist operator-	(	const Hist &	,
		const Hist &
	)			[friend]

Subtraction between two histograms.

Hist operator*	(	double	,
		const Hist &
	)			[friend]

Multiply number with histogram (bin-by-bin).

Hist operator*	(	const Hist &	,
		double
	)			[friend]

Multiply number with histogram (bin-by-bin).

Hist operator*	(	const Hist &	,
		const Hist &
	)			[friend]

Multiply two histograms (bin-by-bin).

Hist operator/	(	double	,
		const Hist &
	)			[friend]

Divide number with histogram (bin-by-bin).

Hist operator/	(	const Hist &	,
		double
	)			[friend]

Divide histogram with number (bin-by-bin).

Hist operator/	(	const Hist &	,
		const Hist &
	)			[friend]

Divide two histograms (bin-by-bin).

ostream& operator<<	(	ostream &	,
		const Hist &
	)			[friend]

Standard output operator.

void table	(	const vector< Hist > &	,
		ostream &	= cout
	)			[friend]

Non-member function of table(ostream&).

---

Member Data Documentation

long Pythia7::Shower::Hist::NLINES [static]

The maximum number of lines a histogram can use at output.

Definition at line 184 of file Basics.h.

double Pythia7::Shower::Hist::TOLERANCE [static]

Tolerance in deviation of xmin and xmax between two histograms.

Definition at line 187 of file Basics.h.

double Pythia7::Shower::Hist::TINY [static]

Small number to avoid division by zero.

Definition at line 190 of file Basics.h.

string Pythia7::Shower::Hist::title [private]

The title.

Definition at line 322 of file Basics.h.

Referenced by Hist().

long Pythia7::Shower::Hist::nbin [private]

The number of bins.

Definition at line 324 of file Basics.h.

Referenced by Hist(), and operator=().

long Pythia7::Shower::Hist::nfill [private]

The number of times fill() has been called.

Definition at line 326 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::xmin [private]

the lower cut.

Definition at line 328 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::xmax [private]

the upper cut.

Definition at line 330 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::dx [private]

the bin width.

Definition at line 332 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::under [private]

the underflow bin.

Definition at line 334 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::inside [private]

the sum of all bins.

Definition at line 336 of file Basics.h.

Referenced by Hist(), and operator=().

double Pythia7::Shower::Hist::over [private]

the overflow bin.

Definition at line 338 of file Basics.h.

Referenced by Hist(), and operator=().

vector<double> Pythia7::Shower::Hist::res [private]

The bins.

Definition at line 340 of file Basics.h.

Referenced by Hist(), and operator=().

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

• Basics.h