A Gaussian spectrum. More...

Inheritance diagram for EGS_GaussianSpectrum:

Public Member Functions
	EGS_GaussianSpectrum (EGS_Float mean_energy, EGS_Float Sigma)
	Construct a Gaussian spectrum with mean energy mean_energy and width Sigma. More...

EGS_Float	expectedAverage () const

EGS_Float	maxEnergy () const

EGS_Float	sample (EGS_RandomGenerator *rndm)

Public Member Functions inherited from EGS_BaseSpectrum
	EGS_BaseSpectrum ()
	Constructor. More...

virtual	~EGS_BaseSpectrum ()
	Destructor. Does nothing.

const string &	getType () const
	Get the spectrum type. More...

EGS_Float	sampleEnergy (EGS_RandomGenerator *rndm)
	Sample a particle energy. More...

virtual bool	storeState (ostream &data_out) const
	Store the state of the spectrum object into the stream data_out. More...

virtual bool	setState (istream &data_in)
	Set the state of the spectrum object from the data in the stream data_in. More...

virtual bool	addState (istream &data_in)
	Add to the state of this object the data from the stream data_in. More...

virtual void	resetCounter ()
	Reset the state of this spectrum object. More...

void	getSampledAverage (EGS_Float &e, EGS_Float &de) const
	Get the average sampled energy and its statistical uncertainty. More...

void	reportAverageEnergy () const
	Report the average energy (expected and actually sampled). More...

Protected Attributes
EGS_Float	Eo
	The mean energy.

EGS_Float	sigma
	The Gaussian width.

EGS_Float	Emax
	The maximum energy. More...

Protected Attributes inherited from EGS_BaseSpectrum
EGS_I64	count
	Number of times the sampleEnergy() method was called.

double	sum_E
	Sum of energies sampled so far.

double	sum_E2
	Sum of energies squared sampled so far.

string	type
	A short string describing the spectrum that must be set by derived classes.

Additional Inherited Members
Static Public Member Functions inherited from EGS_BaseSpectrum
static EGS_BaseSpectrum *	createSpectrum (EGS_Input *inp)
	Create and return a pointer to a spectrum object from the information pointed to by inp. More...

Detailed Description

A Gaussian spectrum.

A Gaussian spectrum is defined in the input file via

:start spectrum:
    type = Gaussian
    mean energy = the mean kinetic energy
    sigma = the sigma of the spectrum
    or
    fwhm = the full-width-at-half-maximum of the spectrum
:stop spectrum:

Definition at line 142 of file egs_spectra.cpp.

Constructor & Destructor Documentation

EGS_GaussianSpectrum::EGS_GaussianSpectrum	(	EGS_Float	mean_energy,
		EGS_Float	Sigma
	)

Construct a Gaussian spectrum with mean energy mean_energy and width Sigma.

If Sigma is less than zero, it is interpreted as -FWHM. The mean energy must be greater than zero.

Definition at line 152 of file egs_spectra.cpp.

References egsFatal.

Member Data Documentation

EGS_Float EGS_GaussianSpectrum::Emax

protected

The maximum energy.

If $E_0$ is too close to zero (less than 5 standard deviations) The Gaussian spectrum is truncated to $E_{\rm max}$ so that it is still symmetric around $E_0$ .

Definition at line 197 of file egs_spectra.cpp.

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

/home/rwtownson/EGSnrc/HEN_HOUSE/egs++/egs_spectra.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Data Documentation