afl::OnTopOf Class Reference

#include <functions.h>

Inheritance diagram for afl::OnTopOf:

List of all members.

Public Member Functions
	OnTopOf (Function *arg1, Function *arg2)
virtual data_t	evaluate (const Point &p, Function::Context *ctxt) const
virtual void	serialise (std::ostream &doc) const
virtual Function *	clone () const

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Detailed Description

use one function where available, or the other when it is not

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Constructor & Destructor Documentation

afl::OnTopOf::OnTopOf (  Function *  arg1, Function *  arg2 )

Parameters: arg1  the first function to try arg2  if arg1 is not defined at a point, arg2 is used

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Member Function Documentation

virtual Function* afl::OnTopOf::clone (   )  const [virtual]

Returns: an exact copy of this function Implements afl::Function.

virtual data_t afl::OnTopOf::evaluate (  const Point &  p, Function::Context *  ctxt )  const [virtual]

evaluates the function Parameters: p  the location to evaluate the function at ctxt  the context for the evaluation Returns: the value of the field at (x,y,z,t) Implements afl::Function.

virtual void afl::OnTopOf::serialise (  std::ostream &  doc  )  const [virtual]

adds the symbolic value of the function to an output stream Parameters: doc  the output stream to put the function on Implements afl::Function.

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

• functions.h

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