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66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
// Created on: 1995-05-29
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// Created by: Xavier BENVENISTE
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _AdvApprox_EvaluatorFunction_HeaderFile
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#define _AdvApprox_EvaluatorFunction_HeaderFile
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#include <Standard_Integer.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_PrimitiveTypes.hxx>
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// abv 01.04.2009: the C function pointer converted to a virtual class
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// in order to get rid of usage of static functions and static data
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//! Interface for a class implementing a function to be approximated
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//! by AdvApprox_ApproxAFunction
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class AdvApprox_EvaluatorFunction
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{
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public:
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//! Empty constructor
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AdvApprox_EvaluatorFunction () {}
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//! Destructor should be declared as virtual
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virtual ~AdvApprox_EvaluatorFunction () {}
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//! Function evaluation method to be defined by descendant
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virtual void Evaluate (Standard_Integer *Dimension,
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Standard_Real StartEnd[2],
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Standard_Real *Parameter,
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Standard_Integer *DerivativeRequest,
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Standard_Real *Result, // [Dimension]
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Standard_Integer *ErrorCode) = 0;
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//! Shortcut for function-call style usage
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void operator () (Standard_Integer *Dimension,
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Standard_Real StartEnd[2],
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Standard_Real *Parameter,
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Standard_Integer *DerivativeRequest,
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Standard_Real *Result, // [Dimension]
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Standard_Integer *ErrorCode)
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{ Evaluate (Dimension, StartEnd, Parameter, DerivativeRequest, Result, ErrorCode); }
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private:
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//! Copy constructor is declared private to forbid copying
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AdvApprox_EvaluatorFunction (const AdvApprox_EvaluatorFunction&) {}
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//! Assignment operator is declared private to forbid copying
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void operator = (const AdvApprox_EvaluatorFunction&) {}
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};
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#endif
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