casacore::TableExprGroupFuncDouble Class Reference

Abstract base class for aggregate functions giving a double scalar. More...

#include <ExprGroup.h>

Inheritance diagram for casacore::TableExprGroupFuncDouble:

List of all members.

Public Member Functions
	TableExprGroupFuncDouble (TableExprNodeRep *node, Double initValue=0)
virtual	~TableExprGroupFuncDouble ()
virtual Double	getDouble (const vector< TableExprId > &)
Protected Attributes
Double	itsValue

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Detailed Description

Abstract base class for aggregate functions giving a double scalar.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

This class is derived from TableExprGroupFuncBase and act as the abstract base class for aggregate functions resulting in a double scalar.
Derived classes can use itsValue to contain the aggregated value. It that case they do not need to implement the get function.

Definition at line 525 of file ExprGroup.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupFuncDouble::TableExprGroupFuncDouble	(	TableExprNodeRep *	node,
		Double	initValue = 0
	)			[inline, explicit]

Definition at line 528 of file ExprGroup.h.

virtual casacore::TableExprGroupFuncDouble::~TableExprGroupFuncDouble

(

)

[virtual]

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Member Function Documentation

virtual Double casacore::TableExprGroupFuncDouble::getDouble

(

const vector< TableExprId > &

)

[virtual]

Reimplemented from casacore::TableExprGroupFuncBase.

Reimplemented in casacore::TableExprGroupFractileDouble, and casacore::TableExprGroupFractileArrayDouble.

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Member Data Documentation

Double casacore::TableExprGroupFuncDouble::itsValue [protected]

Definition at line 536 of file ExprGroup.h.

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

• casacore/tables/TaQL/ExprGroup.h