casacore::DiracDParam< T > Class Template Reference

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#include <DiracDParam.h>

Public Types
enum	{   HEIGHT ,   CENTER }
	Parameter numbers. More...
Public Types inherited from casacore::Function< T, U >
typedef FunctionTraits< T >::ArgType	ArgType
typedef const ArgType *	FunctionArg

Public Member Functions
	DiracDParam ()
	Constructs the DiracD, Defaults: height=1, center=0.
	DiracDParam (const T &height)
	DiracDParam (const T &height, const T &center)
	DiracDParam (const DiracDParam< T > &other)
	Copy constructor (deep copy).
template<class W>
	DiracDParam (const DiracDParam< W > &other)
DiracDParam< T > &	operator= (const DiracDParam< T > &other)
	Copy assignment (deep copy).
virtual	~DiracDParam ()
	Destructor.
virtual uInt	ndim () const
	Returns the number of dimensions of function.
virtual const String &	name () const
	Give name of function.
Public Member Functions inherited from casacore::Function< T, U >
	Function ()
	Constructors.
	Function (const uInt n)
	Function (const Vector< T > &in)
	Function (const FunctionParam< T > &other)
template<class W, class X>
	Function (const Function< W, X > &other)
virtual	~Function ()
	Destructor.
uInt	nparameters () const
	Returns the number of parameters.
virtual U	eval (FunctionArg x) const =0
	Evaluate the function object.
T &	operator[] (const uInt n)
	Manipulate the nth parameter (0-based) with no index check.
const T &	operator[] (const uInt n) const
virtual U	operator() () const
	Evaluate this function object at xor at x, y.
virtual U	operator() (const ArgType &x) const
virtual U	operator() (const Vector< ArgType > &x) const
virtual U	operator() (FunctionArg x) const
virtual U	operator() (const ArgType &x, const ArgType &y) const
virtual U	operator() (const ArgType &x, const ArgType &y, const ArgType &z) const
Bool &	mask (const uInt n)
	Manipulate the mask associated with the nth parameter (e.g.
const Bool &	mask (const uInt n) const
const FunctionParam< T > &	parameters () const
	Return the parameter interface.
FunctionParam< T > &	parameters ()
const Vector< ArgType > &	argp () const
	Get arg_p and parset_p.
Bool	parsetp () const
void	lockParam ()
	Compiler cannot always find the correct 'const' version of parameter access.
void	unlockParam ()
virtual void	setMode (const RecordInterface &mode)
	get/set the function mode.
virtual void	getMode (RecordInterface &mode) const
virtual Bool	hasMode () const
	return True if the implementing function supports a mode.
ostream &	print (ostream &os) const
	Print the function (i.e.
virtual Function< T, U > *	clone () const =0
	Return a copy of this object from the heap.
virtual Function< typename FunctionTraits< T >::DiffType > *	cloneAD () const
virtual Function< typename FunctionTraits< T >::BaseType > *	cloneNonAD () const
Public Member Functions inherited from casacore::Functional< FunctionTraits< T >::ArgType, T >
virtual	~Functional ()
	Destructor.
virtual T	operator() (const FunctionTraits< T >::ArgType &x) const=0
	Map a Domain x into a Range y value.
Public Member Functions inherited from casacore::Functional< Vector< FunctionTraits< T >::ArgType >, T >
virtual	~Functional ()
	Destructor.
virtual T	operator() (const Vector< FunctionTraits< T >::ArgType > &x) const=0
	Map a Domain x into a Range y value.

Additional Inherited Members
Protected Attributes inherited from casacore::Function< T, U >
FunctionParam< T >	param_p
	The parameters and masks.
Vector< ArgType >	arg_p
	Aid for non-contiguous argument storage.
Bool	parset_p
	Indicate parameter written.
Bool	locked_p
	Indicate that parameters are expected to be locked from changing.

Detailed Description

template<class T>
class casacore::DiracDParam< T >

A one dimensional Dirac delta function

Intended use:

Internal

Review Status

Test programs:

tFunctionHolder

Prerequisite

• FunctionParam class
• Function class

Etymology

A 1-dimensional Dirac delta.

Synopsis

A DiracD is described by a height and a center The value is:

height          (|x-center| == 0.0)
0               (|x-center| != 0.0)

The parameters are enumerated by HEIGHT, CENTER. They have default values of (1, 0).

Example

DiracDFunction<Double> sf(5.0, 25.0);
sf(25);            // = 5.0

Template Type Argument Requirements (T)

• T should have standard numerical operators

Thrown Exceptions

• AipsError if incorrect parameter number specified.

Definition at line 82 of file DiracDParam.h.

Member Enumeration Documentation

anonymous enum

template<class T>

anonymous enum

Parameter numbers.

Enumerator
HEIGHT
CENTER

Definition at line 87 of file DiracDParam.h.

Constructor & Destructor Documentation

DiracDParam() [1/5]

template<class T>

casacore::DiracDParam< T >::DiracDParam

(

)

Constructs the DiracD, Defaults: height=1, center=0.

Warning: Could not use default arguments that worked both with gcc and IRIX

Referenced by casacore::DiracDFunction< T >::DiracDFunction(), casacore::DiracDFunction< T >::DiracDFunction(), casacore::DiracDFunction< T >::DiracDFunction(), casacore::DiracDFunction< T >::DiracDFunction(), casacore::DiracDFunction< T >::DiracDFunction(), DiracDParam(), DiracDParam(), and operator=().

DiracDParam() [2/5]

template<class T>

casacore::DiracDParam< T >::DiracDParam ( const T & height )

explicit

DiracDParam() [3/5]

template<class T>

casacore::DiracDParam< T >::DiracDParam	(	const T &	height,
		const T &	center )

DiracDParam() [4/5]

template<class T>

casacore::DiracDParam< T >::DiracDParam

(

const DiracDParam< T > &

other

)

Copy constructor (deep copy).

References DiracDParam().

DiracDParam() [5/5]

template<class T>

template<class W>

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

inline

Definition at line 104 of file DiracDParam.h.

References DiracDParam(), and casacore::Function< T, U >::Function().

~DiracDParam()

template<class T>

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

virtual

Destructor.

Member Function Documentation

name()

template<class T>

virtual const String & casacore::DiracDParam< T >::name ( ) const

inlinevirtual

Give name of function.

Reimplemented from casacore::Function< T, U >.

Definition at line 118 of file DiracDParam.h.

ndim()

template<class T>

virtual uInt casacore::DiracDParam< T >::ndim ( ) const

inlinevirtual

Returns the number of dimensions of function.

Implements casacore::Function< T, U >.

Definition at line 114 of file DiracDParam.h.

operator=()

template<class T>

DiracDParam< T > & casacore::DiracDParam< T >::operator=

(

const DiracDParam< T > &

other

)

Copy assignment (deep copy).

References DiracDParam().

Referenced by casacore::DiracDFunction< T >::operator=().

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

• scimath/Functionals/DiracDParam.h