casacore::TableExprGroupFractileDouble Class Reference

Aggregate class determining the fractile of values in a group. More...

#include <ExprGroupAggrFunc.h>

Inheritance diagram for casacore::TableExprGroupFractileDouble:

List of all members.

Public Member Functions
	TableExprGroupFractileDouble (TableExprNodeRep *node, Double fractile)
virtual	~TableExprGroupFractileDouble ()
virtual Bool	isLazy () const
	Does the aggregate function use lazy semantics? The default implementation returns False.
virtual void	apply (const TableExprId &id)
	Get the operand's value for the given row and apply it to the aggregation.
virtual Double	getDouble (const vector< TableExprId > &ids)
Private Attributes
Double	itsFrac

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Detailed Description

Aggregate class determining the fractile of values in a group.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

Aggregate class determining the fractile of values in a group.
It is a lazy aggregate class, thus apply does nothing. Instead, getDouble assembles the values and determines the fractile.

Definition at line 415 of file ExprGroupAggrFunc.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupFractileDouble::TableExprGroupFractileDouble	(	TableExprNodeRep *	node,
		Double	fractile
	)			[explicit]

virtual casacore::TableExprGroupFractileDouble::~TableExprGroupFractileDouble

(

)

[virtual]

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Member Function Documentation

virtual void casacore::TableExprGroupFractileDouble::apply

(

const TableExprId &

id

)

[virtual]

Get the operand's value for the given row and apply it to the aggregation.

This function should not be called for lazy classes.

Implements casacore::TableExprGroupFuncBase.

virtual Double casacore::TableExprGroupFractileDouble::getDouble

(

const vector< TableExprId > &

ids

)

[virtual]

Reimplemented from casacore::TableExprGroupFuncDouble.

virtual Bool casacore::TableExprGroupFractileDouble::isLazy

(

)

const [virtual]

Does the aggregate function use lazy semantics? The default implementation returns False.

Reimplemented from casacore::TableExprGroupFuncBase.

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Member Data Documentation

Double casacore::TableExprGroupFractileDouble::itsFrac [private]

Definition at line 425 of file ExprGroupAggrFunc.h.

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

• casacore/tables/TaQL/ExprGroupAggrFunc.h