casacore::QBase Class Reference

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#include <QBase.h>

Public Member Functions
	QBase ()
	Default constructor, generates "".
	QBase (const Unit &s)
	Construct dimensioned QBase (e.g.
virtual	~QBase ()
	Destructor.
const String &	getUnit () const
	Get units of QBase .
void	setUnit (const Unit &s)
	Re-specify parts of a QBase .
void	setUnit (const QBase &other)
	Set new unit, copied from specified QBase, without changing value.
Bool	isConform (const Unit &s) const
	Check for conformal matching units (e.g.
Bool	isConform (const QBase &other) const
	Using units specified in QBase.
virtual QBase *	clone () const =0
	Get a copy of Quantum.
virtual const Unit &	getFullUnit () const =0
	Get the unit attached to the Quantum (use getUnit() if only interested in the String part of the unit).
virtual void	print (ostream &os) const =0
	Print a Quantum.
virtual uInt	type () const =0
	Get the type of derived Quantum (using QuantumType).

Protected Attributes
Unit	qUnit

Detailed Description

Base for Quantities (i.e. dimensioned values)

Intended use:

Internal

Review Status

Reviewed By:

UNKNOWN

Date Reviewed:

before2004/08/25

Test programs:

tQuantum

Prerequisite

• Unit

Etymology

QBase is the base class for Quantum.

Synopsis

Quantities are values with a unit. Their basic specification can be one of two forms:

Quantity(Double value, String unit);   // or: Unit unit
Quantum<Type> (Type value, String unit)    // or: Unit unit

See Quantum for details.

Motivation

To provide the possibilty of mixing units from different Quantum<T1>, Quantum<T2>

To Do

• Some inlining (did not work first go)

Definition at line 78 of file QBase.h.

Constructor & Destructor Documentation

QBase() [1/2]

casacore::QBase::QBase

(

)

Default constructor, generates "".

Referenced by clone(), casacore::Quantum< Double >::clone(), isConform(), casacore::Quantum< Double >::Quantum(), and setUnit().

QBase() [2/2]

casacore::QBase::QBase

(

const Unit &

s

)

Construct dimensioned QBase (e.g.

'km/Mpc')

Thrown Exceptions

• AipsError if non-matching unit dimensions

~QBase()

virtual casacore::QBase::~QBase ( )

virtual

Destructor.

Member Function Documentation

clone()

virtual QBase * casacore::QBase::clone ( ) const

pure virtual

Get a copy of Quantum.

Implemented in casacore::Quantum< Qtype >, casacore::Quantum< casacore::Vector< Double > >, casacore::Quantum< Double >, and casacore::Quantum< Vector< T > >.

References QBase().

getFullUnit()

virtual const Unit & casacore::QBase::getFullUnit ( ) const

pure virtual

Get the unit attached to the Quantum (use getUnit() if only interested in the String part of the unit).

Implemented in casacore::Quantum< Qtype >, casacore::Quantum< casacore::Vector< Double > >, casacore::Quantum< Double >, and casacore::Quantum< Vector< T > >.

getUnit()

const String & casacore::QBase::getUnit

(

)

const

Get units of QBase .

Return the string representation of the current units attached to QBase

isConform() [1/2]

Bool casacore::QBase::isConform

(

const QBase &

other

)

const

Using units specified in QBase.

References QBase().

isConform() [2/2]

Bool casacore::QBase::isConform

(

const Unit &

s

)

const

Check for conformal matching units (e.g.

dam and Mpc) Using specified units

print()

virtual void casacore::QBase::print ( ostream & os ) const

pure virtual

Print a Quantum.

Implemented in casacore::Quantum< Qtype >, casacore::Quantum< casacore::Vector< Double > >, casacore::Quantum< Double >, and casacore::Quantum< Vector< T > >.

setUnit() [1/2]

void casacore::QBase::setUnit

(

const QBase &

other

)

Set new unit, copied from specified QBase, without changing value.

References QBase().

setUnit() [2/2]

void casacore::QBase::setUnit

(

const Unit &

s

)

Re-specify parts of a QBase .

Set new unit, without changing value

type()

virtual uInt casacore::QBase::type ( ) const

pure virtual

Get the type of derived Quantum (using QuantumType).

All should have: static uInt myType();

Implemented in casacore::Quantum< Qtype >, casacore::Quantum< casacore::Vector< Double > >, casacore::Quantum< Double >, and casacore::Quantum< Vector< T > >.

Member Data Documentation

qUnit

Unit casacore::QBase::qUnit

protected

Definition at line 133 of file QBase.h.

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

• casa/Quanta/QBase.h