CNConstant Class Reference

Calculation node always returning a constant value. More...

#include <expression.h>

Inheritance diagram for CNConstant:

List of all members.

Public Member Functions
	CNConstant (double _value)
	construct a constant calculation node from a value
virtual double	evaluate () const
	evaluate the complete calculation tree and return the floating point result value
virtual void	print (std::ostream &os, unsigned int depth) const
	output the calculation tree to the given stream.
Private Attributes
double	value
	the constant value returned

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Detailed Description

Calculation node always returning a constant value.

Definition at line 39 of file expression.h.

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Constructor & Destructor Documentation

CNConstant::CNConstant

(

double

_value

)

[inline, explicit]

construct a constant calculation node from a value

Definition at line 46 of file expression.h.

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Member Function Documentation

virtual double CNConstant::evaluate

(

)

const [inline, virtual]

evaluate the complete calculation tree and return the floating point result value

Implements CalcNode.

Definition at line 51 of file expression.h.

References value.

virtual void CNConstant::print	(	std::ostream &	os,
		unsigned int	depth
	)			const [inline, virtual]

output the calculation tree to the given stream.

tries to format the output to make tree levels visible.

Implements CalcNode.

Definition at line 56 of file expression.h.

References CalcNode::indent(), and value.

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Member Data Documentation

double CNConstant::value [private]

the constant value returned

Definition at line 42 of file expression.h.

Referenced by evaluate(), and print().

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

• src/expression.h

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