Spectral bins model class. More...

#include <GModelSpectralBins.hpp>

Inheritance diagram for GModelSpectralBins:

Public Member Functions
	GModelSpectralBins (void)
	Void constructor. More...

	GModelSpectralBins (const GModelSpectral &model, const GEbounds &ebounds, const double &index=-2.0)
	Spectral model constructor. More...

	GModelSpectralBins (const GXmlElement &xml)
	XML constructor. More...

	GModelSpectralBins (const GModelSpectralBins &model)
	Copy constructor. More...

virtual	~GModelSpectralBins (void)
	Destructor. More...

virtual GModelSpectralBins &	operator= (const GModelSpectralBins &model)
	Assignment operator. More...

virtual void	clear (void)
	Clear spectral bins model. More...

virtual GModelSpectralBins *	clone (void) const
	Clone spectral bins model. More...

virtual std::string	classname (void) const
	Return class name. More...

virtual std::string	type (void) const
	Return model type. More...

virtual double	eval (const GEnergy &srcEng, const GTime &srcTime=GTime(), const bool &gradients=false) const
	Evaluate function. More...

virtual double	flux (const GEnergy &emin, const GEnergy &emax) const
	Returns model photon flux between emin, emax More...

virtual double	eflux (const GEnergy &emin, const GEnergy &emax) const
	Returns model energy flux between emin, emax More...

virtual GEnergy	mc (const GEnergy &emin, const GEnergy &emax, const GTime &time, GRan &ran) const
	Returns MC energy between [emin, emax]. More...

virtual void	read (const GXmlElement &xml)
	Read model from XML element. More...

virtual void	write (GXmlElement &xml) const
	Write model into XML element. More...

virtual std::string	print (const GChatter &chatter=NORMAL) const
	Print bin function information. More...

int	bins (void) const
	Return number of bins. More...

void	append (const GEnergy &emin, const GEnergy &emax, const double &intensity)
	Append bin. More...

void	insert (const int &index, const GEnergy &emin, const GEnergy &emax, const double &intensity)
	Insert bin. More...

void	remove (const int &index)
	Remove bin. More...

void	reserve (const int &num)
	Reserve space for bins. More...

void	extend (const GModelSpectralBins &bins)
	Append bins from bin function. More...

double	index (void) const
	Return spectral power law index. More...

void	index (const double &index)
	Set spectral power law index. More...

GEnergy	emin (const int &index) const
	Return lower energy limit of bin. More...

GEnergy	emax (const int &index) const
	Return upper energy limit of bin. More...

void	emin (const int &index, const GEnergy &emin)
	Set lower energy limit of bin. More...

void	emax (const int &index, const GEnergy &emax)
	Set upper energy limit of bin. More...

double	intensity (const int &index) const
	Return bin intensity. More...

void	intensity (const int &index, const double &intensity)
	Set bin intensity. More...

double	error (const int &index) const
	Return intensity error of bin. More...

Public Member Functions inherited from GModelSpectral
	GModelSpectral (void)
	Void constructor. More...

	GModelSpectral (const GModelSpectral &model)
	Copy constructor. More...

virtual	~GModelSpectral (void)
	Destructor. More...

virtual GModelSpectral &	operator= (const GModelSpectral &model)
	Assignment operator. More...

virtual GModelPar &	operator[] (const int &index)
	Returns model parameter. More...

virtual const GModelPar &	operator[] (const int &index) const
	Returns model parameter (const version) More...

virtual GModelPar &	operator[] (const std::string &name)
	Returns reference to model parameter. More...

virtual const GModelPar &	operator[] (const std::string &name) const
	Returns reference to model parameter (const version) More...

GModelPar &	at (const int &index)
	Returns model parameter. More...

const GModelPar &	at (const int &index) const
	Returns model parameter (const version) More...

bool	has_par (const std::string &name) const
	Checks if parameter name exists. More...

int	size (void) const
	Return number of parameters. More...

void	autoscale (void)
	Autoscale parameters. More...

Public Member Functions inherited from GBase
virtual	~GBase (void)
	Destructor. More...

Protected Member Functions
void	init_members (void)
	Initialise class members. More...

void	copy_members (const GModelSpectralBins &model)
	Copy class members. More...

void	free_members (void)
	Delete class members. More...

int	bin_index (const GEnergy &energy) const
	Return bin index for energy. More...

void	update_pars (void)
	Update parameter mapping. More...

void	set_cache (void) const
	Set cache. More...

void	mc_update (const GEnergy &emin, const GEnergy &emax) const
	Set MC pre-computation cache. More...

Protected Member Functions inherited from GModelSpectral
void	init_members (void)
	Initialise class members. More...

void	copy_members (const GModelSpectral &model)
	Copy class members. More...

void	free_members (void)
	Delete class members. More...

Protected Attributes
GModelPar	m_index
	Spectral index of all bins. More...

std::vector< GModelPar >	m_emin
	Lower energy limits. More...

std::vector< GModelPar >	m_emax
	Upper energy limits. More...

std::vector< GModelPar >	m_values
	Bin values. More...

std::vector< double >	m_epivot
	Power-law pivot energies in MeV. More...

GEnergy	m_mc_emin
	Minimum energy. More...

GEnergy	m_mc_emax
	Maximum energy. More...

std::vector< double >	m_mc_cum
	Cumulative distribution. More...

std::vector< double >	m_mc_min
	Lower boundary for MC. More...

std::vector< double >	m_mc_max
	Upper boundary for MC. More...

std::vector< double >	m_mc_exp
	Exponent for MC. More...

Protected Attributes inherited from GModelSpectral
std::vector< GModelPar * >	m_pars
	Parameter pointers. More...

Detailed Description

Spectral bins model class.

This class implements spectral bins that have a constant intensity within their boundaries. A spectral bin is defined by a lower and upper energy limit, with the lower limit included and the upper limit excluded from an energy bin.

Definition at line 54 of file GModelSpectralBins.hpp.

Constructor & Destructor Documentation

GModelSpectralBins::GModelSpectralBins ( void )

Void constructor.

Constructs an empty spectral bin model.

Definition at line 81 of file GModelSpectralBins.cpp.

References init_members().

Referenced by clone().

GModelSpectralBins::GModelSpectralBins	(	const GModelSpectral &	model,
		const GEbounds &	ebounds,
		const double &	index = `-2.0`
	)

Spectral model constructor.

Parameters

[in]	model	Spectral model.
[in]	ebounds	Energy boundaries.
[in]	index	Spectral index.

Constructs a spectral bins model from any spectral model using the energy boundaries that are specified by ebounds. Within each spectral bin the intensity follows a power law with spectral index index.

Definition at line 102 of file GModelSpectralBins.cpp.

References append(), GEbounds::elogmean(), GEbounds::emax(), GEbounds::emin(), GModelSpectral::eval(), index(), init_members(), and GEbounds::size().

GModelSpectralBins::GModelSpectralBins ( const GXmlElement & xml )

explicit

XML constructor.

Parameters

[in] xml XML element.

Construct spectral bins model by extracting information from an XML element. See the read() method for more information about the expected structure of the XML element.

Definition at line 132 of file GModelSpectralBins.cpp.

References init_members(), and read().

GModelSpectralBins::GModelSpectralBins ( const GModelSpectralBins & model )

Copy constructor.

Parameters

[in] model Spectral bins model.

Definition at line 151 of file GModelSpectralBins.cpp.

References copy_members(), and init_members().

GModelSpectralBins::~GModelSpectralBins ( void )

virtual

Destructor.

Definition at line 168 of file GModelSpectralBins.cpp.

References free_members().

Member Function Documentation

void GModelSpectralBins::append	(	const GEnergy &	emin,
		const GEnergy &	emax,
		const double &	intensity
	)

Append bin.

Parameters

[in]	emin	Lower energy limit.
[in]	emax	Upper energy limit.
[in]	intensity	Bin intensity.

Exceptions

GException::invalid_argument Lower energy limit is larger than upper energy limit.

Appends one bin to the bin function. By default the lower and upper energy limit of the bin is fixed while the intensity of the bin is free.

Definition at line 753 of file GModelSpectralBins.cpp.

References GOptimizerPar::fix(), GOptimizerPar::free(), G_APPEND, GOptimizerPar::has_grad(), m_emax, m_emin, m_values, GEnergy::MeV(), GOptimizerPar::name(), GEnergy::print(), set_cache(), GOptimizerPar::unit(), update_pars(), and GOptimizerPar::value().

Referenced by GModelSpectralBins().

int GModelSpectralBins::bin_index ( const GEnergy & energy ) const

protected

Return bin index for energy.

Parameters

[in] energy Energy.

Returns: Bin index (-1 if energy bin was not found).

Definition at line 1337 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, and GEnergy::MeV().

Referenced by eval().

int GModelSpectralBins::bins ( void ) const

inline

Return number of bins.

Returns: Number of bins.

Returns the number of bins in the bin function model.

Definition at line 174 of file GModelSpectralBins.hpp.

References m_values.

Referenced by bin_index(), eflux(), emax(), emin(), error(), extend(), flux(), insert(), intensity(), mc_update(), print(), read(), remove(), set_cache(), update_pars(), and write().

std::string GModelSpectralBins::classname ( void ) const

inlinevirtual

Return class name.

Returns: String containing the class name ("GModelSpectralBins").

Implements GModelSpectral.

Definition at line 146 of file GModelSpectralBins.hpp.

void GModelSpectralBins::clear ( void )

virtual

Clear spectral bins model.

Implements GModelSpectral.

Definition at line 223 of file GModelSpectralBins.cpp.

References GModelSpectral::free_members(), free_members(), GModelSpectral::init_members(), and init_members().

GModelSpectralBins * GModelSpectralBins::clone ( void ) const

virtual

Clone spectral bins model.

Implements GModelSpectral.

Definition at line 241 of file GModelSpectralBins.cpp.

References GModelSpectralBins().

void GModelSpectralBins::copy_members ( const GModelSpectralBins & model )

protected

Copy class members.

Parameters

[in] model Spectral bin function.

Definition at line 1294 of file GModelSpectralBins.cpp.

References m_emax, m_emin, m_epivot, m_index, m_mc_cum, m_mc_emax, m_mc_emin, m_mc_exp, m_mc_max, m_mc_min, m_values, and update_pars().

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

double GModelSpectralBins::eflux	(	const GEnergy &	emin,
		const GEnergy &	emax
	)		const

virtual

Returns model energy flux between emin, emax

Parameters

[in]	emin	Minimum photon energy.
[in]	emax	Maximum photon energy.

Returns: Energy flux (erg/cm2/s).

Computes

\[ \int_{\tt emin}^{\tt emax} S_{\rm E}(E | t) E \, dE \]

where

[emin, emax] is an energy interval, and
\(S_{\rm E}(E | t)\) is the spectral model (ph/cm2/s/MeV).

Implements GModelSpectral.

Definition at line 415 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, m_epivot, m_index, m_values, GEnergy::MeV(), gammalib::MeV2erg, gammalib::plaw_energy_flux(), and GOptimizerPar::value().

GEnergy GModelSpectralBins::emax ( const int & index ) const

Return upper energy limit of bin.

Parameters

[in] index Bin index [0,...,bins()-1].

Returns: Upper energy limit of bin index.

Exceptions

GException::out_of_range Index is out of range.

Returns the upper energy limit of bin index.

Definition at line 1053 of file GModelSpectralBins.cpp.

References bins(), G_EMAX_GET, m_emax, and GEnergy::MeV().

Referenced by mc_update(), read(), and write().

void GModelSpectralBins::emax	(	const int &	index,
		const GEnergy &	emax
	)

Set upper energy limit of bin.

Parameters

[in]	index	Bin index [0,...,bins()-1].
[in]	emax	Upper energy limit of bin `index`.

Exceptions

GException::out_of_range Index is out of range.

Sets the upper energy limit of bin index.

Definition at line 1113 of file GModelSpectralBins.cpp.

References bins(), G_EMAX_SET, index(), m_emax, GEnergy::MeV(), and set_cache().

GEnergy GModelSpectralBins::emin ( const int & index ) const

Return lower energy limit of bin.

Parameters

[in] index Bin index [0,...,bins()-1].

Returns: Lower energy limit of bin index.

Exceptions

GException::out_of_range Index is out of range.

Returns the lower energy limit of bin index.

Definition at line 1024 of file GModelSpectralBins.cpp.

References bins(), G_EMIN_GET, m_emin, and GEnergy::MeV().

Referenced by mc_update(), read(), and write().

void GModelSpectralBins::emin	(	const int &	index,
		const GEnergy &	emin
	)

Set lower energy limit of bin.

Parameters

[in]	index	Bin index [0,...,bins()-1].
[in]	emin	Lower energy limit of bin `index`.

Exceptions

GException::out_of_range Index is out of range.

Sets the lower energy limit of bin index.

Definition at line 1082 of file GModelSpectralBins.cpp.

References bins(), G_EMIN_SET, index(), m_emin, GEnergy::MeV(), and set_cache().

double GModelSpectralBins::error ( const int & index ) const

Return intensity error of bin.

Parameters

[in] index Bin index [0,...,bins()-1].

Returns: Intensity error of bin index.

Exceptions

GException::out_of_range Index is out of range.

Returns the intensity error of bin index.

Definition at line 1169 of file GModelSpectralBins.cpp.

References bins(), G_ERROR_GET, and m_values.

double GModelSpectralBins::eval	(	const GEnergy &	srcEng,
		const GTime &	srcTime = `GTime()`,
		const bool &	gradients = `false`
	)		const

virtual

Evaluate function.

Parameters

[in]	srcEng	True photon energy.
[in]	srcTime	True photon arrival time.
[in]	gradients	Compute gradients?

Returns: Model value (ph/cm2/s/MeV).

Todo:: Document method.

Implements GModelSpectral.

Definition at line 258 of file GModelSpectralBins.cpp.

References bin_index(), GOptimizerPar::factor_gradient(), index(), GOptimizerPar::is_free(), gammalib::is_infinite(), gammalib::is_notanumber(), log(), m_epivot, m_index, m_values, GEnergy::MeV(), pow(), GOptimizerPar::scale(), and GOptimizerPar::value().

void GModelSpectralBins::extend ( const GModelSpectralBins & bins )

Append bins from bin function.

Parameters

[in] bins Bin function.

Appends all bins from a bin function to current object.

Definition at line 949 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, m_values, reserve(), set_cache(), and update_pars().

double GModelSpectralBins::flux	(	const GEnergy &	emin,
		const GEnergy &	emax
	)		const

virtual

Returns model photon flux between emin, emax

Parameters

[in]	emin	Minimum photon energy.
[in]	emax	Maximum photon energy.

Returns: Photon flux (ph/cm2/s).

Computes

\[ \int_{\tt emin}^{\tt emax} S_{\rm E}(E | t) dE \]

where

[emin, emax] is an energy interval, and
\(S_{\rm E}(E | t)\) is the spectral model (ph/cm2/s/MeV).

Implements GModelSpectral.

Definition at line 342 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, m_epivot, m_index, m_values, GEnergy::MeV(), gammalib::plaw_photon_flux(), and GOptimizerPar::value().

Referenced by mc_update().

void GModelSpectralBins::free_members ( void )

protected

Delete class members.

Definition at line 1324 of file GModelSpectralBins.cpp.

Referenced by clear(), operator=(), and ~GModelSpectralBins().

double GModelSpectralBins::index ( void ) const

Return spectral power law index.

Returns: Spectrel power law index.

Returns the spectral power law index.

Definition at line 989 of file GModelSpectralBins.cpp.

References m_index, and GOptimizerPar::value().

Referenced by emax(), emin(), eval(), GModelSpectralBins(), insert(), intensity(), mc_update(), read(), remove(), and write().

void GModelSpectralBins::index ( const double & index )

Set spectral power law index.

Parameters

[in] index Spectrel power law index.

Set spectral power law index.

Definition at line 1003 of file GModelSpectralBins.cpp.

References m_index, and GOptimizerPar::value().

void GModelSpectralBins::init_members ( void )

protected

Initialise class members.

Definition at line 1253 of file GModelSpectralBins.cpp.

References GEnergy::clear(), GOptimizerPar::clear(), GOptimizerPar::fix(), GOptimizerPar::gradient(), GOptimizerPar::has_grad(), m_emax, m_emin, m_epivot, m_index, m_mc_cum, m_mc_emax, m_mc_emin, m_mc_exp, m_mc_max, m_mc_min, m_values, GOptimizerPar::name(), GOptimizerPar::range(), GOptimizerPar::scale(), update_pars(), and GOptimizerPar::value().

Referenced by clear(), GModelSpectralBins(), and operator=().

void GModelSpectralBins::insert	(	const int &	index,
		const GEnergy &	emin,
		const GEnergy &	emax,
		const double &	intensity
	)

Insert bin.

Parameters

[in]	index	Bin index [0,...,bins()-1].
[in]	emin	Lower energy limit.
[in]	emax	Upper energy limit.
[in]	intensity	Bin intensity.

Exceptions

GException::out_of_range	Bin index is out of range.
GException::invalid_argument	Lower energy limit is larger than upper energy limit.

Inserts a bin into the bin function before the bin with the specified index. By default the lower and upper energy limit of the bin is fixed while the intensity of the bin is free.

Definition at line 825 of file GModelSpectralBins.cpp.

References bins(), GOptimizerPar::fix(), GOptimizerPar::free(), G_INSERT, GOptimizerPar::has_grad(), index(), m_emax, m_emin, m_values, GEnergy::MeV(), GOptimizerPar::name(), GEnergy::print(), set_cache(), GOptimizerPar::unit(), update_pars(), and GOptimizerPar::value().

double GModelSpectralBins::intensity ( const int & index ) const

Return bin intensity.

Parameters

[in] index Bin index [0,...,bins()-1].

Returns: Intensity of bin index.

Exceptions

GException::out_of_range Index is out of range.

Returns the intensity of bin index.

Definition at line 1144 of file GModelSpectralBins.cpp.

References bins(), G_INTENSITY_GET, and m_values.

Referenced by read(), and write().

void GModelSpectralBins::intensity	(	const int &	index,
		const double &	intensity
	)

Set bin intensity.

Parameters

[in]	index	Bin index [0,...,bins()-1].
[in]	intensity	Intensity of bin `index`.

Exceptions

GException::out_of_range Index is out of range.

Set the intensity of bin index.

Definition at line 1194 of file GModelSpectralBins.cpp.

References bins(), G_INTENSITY_SET, index(), and m_values.

GEnergy GModelSpectralBins::mc	(	const GEnergy &	emin,
		const GEnergy &	emax,
		const GTime &	time,
		GRan &	ran
	)		const

virtual

Returns MC energy between [emin, emax].

Parameters

[in]	emin	Minimum photon energy.
[in]	emax	Maximum photon energy.
[in]	time	True photon arrival time.
[in,out]	ran	Random number generator.

Returns: Energy.

Exceptions

GException::invalid_return_value No valid Monte Carlo cache

Returns Monte Carlo energy by randomly drawing from bin function.

Implements GModelSpectral.

Definition at line 489 of file GModelSpectralBins.cpp.

References gammalib::check_energy_interval(), exp(), G_MC, log(), m_mc_cum, m_mc_exp, m_mc_max, m_mc_min, mc_update(), GEnergy::MeV(), GEnergy::print(), and GRan::uniform().

void GModelSpectralBins::mc_update	(	const GEnergy &	emin,
		const GEnergy &	emax
	)		const

protected

Set MC pre-computation cache.

Parameters

[in]	emin	Minimum energy.
[in]	emax	Maximum energy.

This method sets up an array of indices and the cumulative distribution function needed for MC simulations.

Definition at line 1440 of file GModelSpectralBins.cpp.

References abs(), bins(), emax(), emin(), flux(), index(), log(), m_emax, m_emin, m_epivot, m_index, m_mc_cum, m_mc_emax, m_mc_emin, m_mc_exp, m_mc_max, m_mc_min, m_values, GEnergy::MeV(), norm(), gammalib::plaw_photon_flux(), pow(), and GOptimizerPar::value().

Referenced by mc().

GModelSpectralBins & GModelSpectralBins::operator= ( const GModelSpectralBins & model )

virtual

Assignment operator.

Parameters

[in] model Spectral bins model.

Returns: Spectral bins model.

Definition at line 190 of file GModelSpectralBins.cpp.

References copy_members(), free_members(), init_members(), and GModelSpectral::operator=().

std::string GModelSpectralBins::print ( const GChatter & chatter = NORMAL ) const

virtual

Print bin function information.

Parameters

[in] chatter Chattiness.

Returns: String containing bin function information.

Implements GModelSpectral.

Definition at line 1217 of file GModelSpectralBins.cpp.

References bins(), GModelSpectral::m_pars, gammalib::parformat(), SILENT, GModelSpectral::size(), and gammalib::str().

void GModelSpectralBins::read ( const GXmlElement & xml )

virtual

Read model from XML element.

Parameters

[in] xml XML element.

Exceptions

GException::invalid_value Lower energy limit larger than upper energy limit.

Reads the spectral information from an XML element. The format of the XML elements is

<spectrum type="BinFunction">
  <parameter name="Index"    ../>
  <bin>
    <parameter name="LowerLimit" ../>
    <parameter name="UpperLimit" ../>
    <parameter name="Intensity"  ../>
  </bin>
  ...
  <bin>
    <parameter name="LowerLimit" ../>
    <parameter name="UpperLimit" ../>
    <parameter name="Intensity"  ../>
  </bin>
</spectrum>

Todo:

Check that bins are ordered

Check that energy boundaries are not overlapping

Implements GModelSpectral.

Definition at line 575 of file GModelSpectralBins.cpp.

References bins(), GXmlNode::element(), GXmlNode::elements(), emax(), emin(), G_READ, index(), intensity(), m_emax, m_emin, m_index, m_values, GOptimizerPar::name(), GModelPar::read(), set_cache(), gammalib::str(), update_pars(), GOptimizerPar::value(), and gammalib::xml_get_par().

Referenced by GModelSpectralBins().

void GModelSpectralBins::remove ( const int & index )

Remove bin.

Parameters

[in] index Bin index [0,...,bins()-1].

Exceptions

GException::out_of_range Bin index is out of range.

Removes bin of specified index from the bin function.

Definition at line 898 of file GModelSpectralBins.cpp.

References bins(), G_REMOVE, index(), m_emax, m_emin, m_values, set_cache(), and update_pars().

void GModelSpectralBins::reserve ( const int & num )

Reserve space for bins.

Parameters

[in] num Number of reserved bins.

Reserves space for num bins.

Definition at line 930 of file GModelSpectralBins.cpp.

References m_emax, m_emin, and m_values.

Referenced by extend().

void GModelSpectralBins::set_cache ( void ) const

protected

Set cache.

Sets the computation cache. The method computes for the time being the pivot energies for all bins in MeV.

Definition at line 1415 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, m_epivot, and sqrt().

Referenced by append(), emax(), emin(), extend(), insert(), read(), and remove().

std::string GModelSpectralBins::type ( void ) const

inlinevirtual

Return model type.

Returns: "BinFunction".

Returns the type of the spectral bin function model.

Implements GModelSpectral.

Definition at line 160 of file GModelSpectralBins.hpp.

Referenced by write().

void GModelSpectralBins::update_pars ( void )

protected

Update parameter mapping.

Sets the parameter pointers in the m_pars array, enabling iterating over all model parameters. This method needs to be called after changing the number of bins in the spectral model. The method needs not to be called after value update.

Definition at line 1366 of file GModelSpectralBins.cpp.

References bins(), m_emax, m_emin, m_index, GModelSpectral::m_pars, m_values, and gammalib::str().

Referenced by append(), copy_members(), extend(), init_members(), insert(), read(), and remove().

void GModelSpectralBins::write ( GXmlElement & xml ) const

virtual

Write model into XML element.

Parameters

[in] xml XML element into which model information is written.

Exceptions

GException::invalid_value Existing XML element is not of required type Invalid number of model parameters or bins found in XML element.

Writes the spectral information into an XML element. The format of the XML element is

<spectrum type="BinFunction">
  <parameter name="Index"    ../>
  <bin>
    <parameter name="LowerLimit" ../>
    <parameter name="UpperLimit" ../>
    <parameter name="Intensity"  ../>
  </bin>
  ...
  <bin>
    <parameter name="LowerLimit" ../>
    <parameter name="UpperLimit" ../>
    <parameter name="Intensity"  ../>
  </bin>
</spectrum>

Implements GModelSpectral.

Definition at line 667 of file GModelSpectralBins.cpp.

References GXmlNode::append(), bins(), GXmlNode::element(), GXmlNode::elements(), emax(), emin(), G_WRITE, index(), intensity(), m_emax, m_emin, m_index, m_values, GOptimizerPar::name(), gammalib::str(), type(), GModelPar::write(), gammalib::xml_check_type(), and gammalib::xml_need_par().