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// File: AdvApprox_EvaluatorFunction.hxx
// Created: Mon May 29 17:04:50 1995
// Author: Xavier BENVENISTE
// <xab@nonox>
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_PrimitiveTypes_HeaderFile
#include <Standard_PrimitiveTypes.hxx>
#endif
#ifndef _AdvApprox_EvaluatorFunction_HeaderFile
#define _AdvApprox_EvaluatorFunction_HeaderFile
// abv 01.04.2009: the C function pointer converted to a virtual class
// in order to get rid of usage of static functions and static data
//! Interface for a class implementing a function to be approximated
//! by AdvApprox_ApproxAFunction
class AdvApprox_EvaluatorFunction
{
public:
//! Empty constructor
AdvApprox_EvaluatorFunction () {}
//! Destructor should be declared as virtual
virtual ~AdvApprox_EvaluatorFunction () {}
//! Function evaluation method to be defined by descendant
virtual void Evaluate (Standard_Integer *Dimension,
Standard_Real StartEnd[2],
Standard_Real *Parameter,
Standard_Integer *DerivativeRequest,
Standard_Real *Result, // [Dimension]
Standard_Integer *ErrorCode) = 0;
//! Shortcut for function-call style usage
void operator () (Standard_Integer *Dimension,
Standard_Real StartEnd[2],
Standard_Real *Parameter,
Standard_Integer *DerivativeRequest,
Standard_Real *Result, // [Dimension]
Standard_Integer *ErrorCode)
{ Evaluate (Dimension, StartEnd, Parameter, DerivativeRequest, Result, ErrorCode); }
private:
//! Copy constructor is declared private to forbid copying
AdvApprox_EvaluatorFunction (const AdvApprox_EvaluatorFunction&) {}
//! Assignment operator is declared private to forbid copying
void operator = (const AdvApprox_EvaluatorFunction&) {}
};
#endif
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