Container of function parameters with masking flags. More...

#include <FunctionParam.h>

Public Member Functions
	FunctionParam ()
	Construct a default FunctionParam with 0 parameters. More...

	FunctionParam (const uInt n)
	Construct a FunctionParam with `n` parameters with zero value and all masks True More...

	FunctionParam (const Vector< T > &in)
	Construct a FunctionParam from the given vector, with all masks True More...

	FunctionParam (const FunctionParam< T > &other)
	Copy constructor (deep copy) More...

template<class W >
	FunctionParam (const FunctionParam< W > &other)
	Copy from different type (deep copy) More...

virtual	~FunctionParam ()
	Destructor. More...

FunctionParam &	operator= (const FunctionParam< T > &other)
	Copy assignment (deep copy) More...

T &	operator[] (const uInt n)
	Manipulate the nth parameter (0-based) with no index check. More...

const T &	operator[] (const uInt n) const

Bool	operator== (const FunctionParam< T > &other) const
	Compare two parameter sets for equal size, values and masks. More...

Bool	operator!= (const FunctionParam< T > &other) const

uInt	nelements () const
	Return the number of parameters. More...

T &	parameter (const uInt n)
	Manipulate the nth parameter (0-based) with no index check. More...

const T &	parameter (const uInt n) const

Bool &	mask (const uInt n)
	Manipulate the mask associated with the nth parameter (e.g. More...

const Bool &	mask (const uInt n) const

const Vector< T > &	getParameters () const
	Get all parameters at once. More...

void	setParameters (const Vector< T > &params)
	Set all the parameters at once. More...

const Vector< Bool > &	getParamMasks () const
	Get all parameter masks at once. More...

void	setParamMasks (const Vector< Bool > &masks)
	Set all parameter masks at once. More...

uInt	nMaskedParameters () const
	Operations on the masked parameters only. More...

Vector< T > &	getMaskedParameters () const
	All masked parameters only. More...

void	setMaskedParameters (Vector< T > &in)

ostream &	print (ostream &os) const
	Output the parameters. More...

Private Member Functions
void	createMaskedPtr () const
	Create a cached version of the masked parameter list. More...

void	clearMaskedPtr () const
	Clear the masked parameter list. More...

Private Attributes
uInt	npar_p
	Number of parameters. More...

Vector< T >	param_p
	Parameters. More...

Vector< Bool >	mask_p
	Masks. More...

Vector< T > *	maskedPtr_p
	Cached masked data. More...

Detailed Description

template<class T>
class casacore::FunctionParam< T >

Container of function parameters with masking flags.

Intended use:

Public interface

Review Status

Reviewed By:: tcornwel
Date Reviewed:: 1996/02/22
Test programs:: tGaussian2D

Synopsis

FunctionParam is used to provide an interface to an entity which has parameters that can be flagged. This is useful, for example, in implementing parameter fitting which operates on generic function objects.

Each parameter can be masked. The mask can, e.g., be used to indicate to a generic least-squares fitting routine to only adjust parameters with a True mask (the default). For that reason methods that only handle True data items have names with Adjust in the names. In general the user should not be concerned with these methods, but should only manipulate the parameter flags and values.

Example

See the Function class for a usage interface.

Motivation

Generically manipulatable adjustable parameters are important for fitting.

Template Type Argument Requirements (T)

T must have a default constructor, assignment operator, and copy constructor (for the Vector interface).
all standard mathematical should be applicable if the parameter interface is used for the calculation of Functions.

To Do

Nothing I know of

Definition at line 87 of file FunctionParam.h.

Constructor & Destructor Documentation

template<class T>

casacore::FunctionParam< T >::FunctionParam ( )

Construct a default FunctionParam with 0 parameters.

template<class T>

casacore::FunctionParam< T >::FunctionParam ( const uInt n )

explicit

Construct a FunctionParam with n parameters with zero value and all masks True

template<class T>

casacore::FunctionParam< T >::FunctionParam ( const Vector< T > & in )

explicit

Construct a FunctionParam from the given vector, with all masks True

template<class T>

casacore::FunctionParam< T >::FunctionParam ( const FunctionParam< T > & other )

Copy constructor (deep copy)

template<class T>

template<class W >

casacore::FunctionParam< T >::FunctionParam ( const FunctionParam< W > & other )

inline

Copy from different type (deep copy)

Definition at line 102 of file FunctionParam.h.

template<class T>

virtual casacore::FunctionParam< T >::~FunctionParam ( )

virtual

Destructor.

Member Function Documentation

template<class T>

void casacore::FunctionParam< T >::clearMaskedPtr ( ) const

private

Clear the masked parameter list.

template<class T>

void casacore::FunctionParam< T >::createMaskedPtr ( ) const

private

Create a cached version of the masked parameter list.

template<class T>

Vector<T>& casacore::FunctionParam< T >::getMaskedParameters ( ) const

All masked parameters only.

template<class T>

const Vector<T>& casacore::FunctionParam< T >::getParameters ( ) const

inline

Get all parameters at once.

Returns zero length Vector if there are no parameters.

Definition at line 151 of file FunctionParam.h.

Referenced by casacore::FunctionParam< Type >::FunctionParam().

template<class T>

const Vector<Bool>& casacore::FunctionParam< T >::getParamMasks ( ) const

inline

Get all parameter masks at once.

Returns zero length Vector if there are no parameters.

Definition at line 159 of file FunctionParam.h.

Referenced by casacore::FunctionParam< Type >::FunctionParam().

template<class T>

Bool& casacore::FunctionParam< T >::mask ( const uInt n )

Manipulate the mask associated with the nth parameter (e.g.

to indicate whether the parameter is adjustable or nonadjustable). Note no index check.

template<class T>

const Bool& casacore::FunctionParam< T >::mask ( const uInt n ) const

inline

Definition at line 146 of file FunctionParam.h.

template<class T>

uInt casacore::FunctionParam< T >::nelements ( ) const

inline

Return the number of parameters.

Definition at line 134 of file FunctionParam.h.

template<class T>

uInt casacore::FunctionParam< T >::nMaskedParameters ( ) const

Operations on the masked parameters only.

For possible re-use the results are cached.

Number of masked (=True) parameters

template<class T>

Bool casacore::FunctionParam< T >::operator!= ( const FunctionParam< T > & other ) const

template<class T>

FunctionParam& casacore::FunctionParam< T >::operator= ( const FunctionParam< T > & other )

Copy assignment (deep copy)

template<class T>

Bool casacore::FunctionParam< T >::operator== ( const FunctionParam< T > & other ) const

Compare two parameter sets for equal size, values and masks.

template<class T>

T& casacore::FunctionParam< T >::operator[] ( const uInt n )

inline

Manipulate the nth parameter (0-based) with no index check.

Definition at line 123 of file FunctionParam.h.

template<class T>

const T& casacore::FunctionParam< T >::operator[] ( const uInt n ) const

inline

Definition at line 124 of file FunctionParam.h.

template<class T>

T& casacore::FunctionParam< T >::parameter ( const uInt n )

inline

Manipulate the nth parameter (0-based) with no index check.

Definition at line 137 of file FunctionParam.h.

template<class T>

const T& casacore::FunctionParam< T >::parameter ( const uInt n ) const

inline

Definition at line 138 of file FunctionParam.h.

template<class T>

ostream& casacore::FunctionParam< T >::print ( ostream & os ) const

Output the parameters.

template<class T>

void casacore::FunctionParam< T >::setMaskedParameters ( Vector< T > & in )

template<class T>

void casacore::FunctionParam< T >::setParameters ( const Vector< T > & params )

Set all the parameters at once.

Only the minimum of the input number and the object number of parameters will be set.

template<class T>

void casacore::FunctionParam< T >::setParamMasks ( const Vector< Bool > & masks )

Set all parameter masks at once.

Only the minimum of the input number and the object number of parameters will be set.

Member Data Documentation

template<class T>

Vector<Bool> casacore::FunctionParam< T >::mask_p

private

Masks.

Definition at line 187 of file FunctionParam.h.

Referenced by casacore::FunctionParam< Type >::FunctionParam(), casacore::FunctionParam< Type >::getParamMasks(), and casacore::FunctionParam< Type >::mask().

template<class T>

Vector<T>* casacore::FunctionParam< T >::maskedPtr_p

mutableprivate

Cached masked data.

Definition at line 189 of file FunctionParam.h.

template<class T>

uInt casacore::FunctionParam< T >::npar_p

private

Number of parameters.

Definition at line 183 of file FunctionParam.h.

Referenced by casacore::FunctionParam< Type >::FunctionParam().

template<class T>

Vector<T> casacore::FunctionParam< T >::param_p

private

Parameters.

Definition at line 185 of file FunctionParam.h.

Referenced by casacore::FunctionParam< Type >::FunctionParam(), casacore::FunctionParam< Type >::getParameters(), casacore::FunctionParam< Type >::nelements(), casacore::FunctionParam< Type >::operator[](), and casacore::FunctionParam< Type >::parameter().

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

casa/casacore/scimath/Functionals/FunctionParam.h

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

template<class T> class casacore::FunctionParam< T >

Intended use:

Review Status

Synopsis

Example

Motivation

Template Type Argument Requirements (T)

To Do

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<class T>
class casacore::FunctionParam< T >