// Created on: 1996-04-09
// Created by: Joelle CHAUVET
// Copyright (c) 1996-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _AdvApp2Var_Iso_HeaderFile
#define _AdvApp2Var_Iso_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <GeomAbs_IsoType.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <TColStd_HArray1OfReal.hxx>
#include <TColStd_HArray2OfReal.hxx>
#include <AdvApp2Var_EvaluatorFunc2Var.hxx>
class AdvApp2Var_Context;
class AdvApp2Var_Node;

//! used to store constraints on a line U = Ui or V = Vj
class AdvApp2Var_Iso : public Standard_Transient
{
  DEFINE_STANDARD_RTTIEXT(AdvApp2Var_Iso, Standard_Transient)
public:

  Standard_EXPORT AdvApp2Var_Iso();
  
  Standard_EXPORT AdvApp2Var_Iso(const GeomAbs_IsoType type, const Standard_Integer iu, const Standard_Integer iv);
  
  Standard_EXPORT AdvApp2Var_Iso(const GeomAbs_IsoType type, const Standard_Real cte, const Standard_Real Ufirst, const Standard_Real Ulast, const Standard_Real Vfirst, const Standard_Real Vlast, const Standard_Integer pos, const Standard_Integer iu, const Standard_Integer iv);
  
  Standard_EXPORT Standard_Boolean IsApproximated() const;
  
  Standard_EXPORT Standard_Boolean HasResult() const;
  
  Standard_EXPORT void MakeApprox (const AdvApp2Var_Context& Conditions, const Standard_Real a, const Standard_Real b, const Standard_Real c, const Standard_Real d, const AdvApp2Var_EvaluatorFunc2Var& func, AdvApp2Var_Node& NodeBegin, AdvApp2Var_Node& NodeEnd);
  
  Standard_EXPORT void ChangeDomain (const Standard_Real a, const Standard_Real b);
  
  Standard_EXPORT void ChangeDomain (const Standard_Real a, const Standard_Real b, const Standard_Real c, const Standard_Real d);
  
  Standard_EXPORT void SetConstante (const Standard_Real newcte);
  
  Standard_EXPORT void SetPosition (const Standard_Integer newpos);
  
  Standard_EXPORT void ResetApprox();
  
  Standard_EXPORT void OverwriteApprox();
  
  Standard_EXPORT GeomAbs_IsoType Type() const;
  
  Standard_EXPORT Standard_Real Constante() const;
  
  Standard_EXPORT Standard_Real T0() const;
  
  Standard_EXPORT Standard_Real T1() const;
  
  Standard_EXPORT Standard_Real U0() const;
  
  Standard_EXPORT Standard_Real U1() const;
  
  Standard_EXPORT Standard_Real V0() const;
  
  Standard_EXPORT Standard_Real V1() const;
  
  Standard_EXPORT Standard_Integer UOrder() const;
  
  Standard_EXPORT Standard_Integer VOrder() const;
  
  Standard_EXPORT Standard_Integer Position() const;
  
  Standard_EXPORT Standard_Integer NbCoeff() const;
  
  Standard_EXPORT const Handle(TColStd_HArray1OfReal)& Polynom() const;
  
  Standard_EXPORT Handle(TColStd_HArray1OfReal) SomTab() const;
  
  Standard_EXPORT Handle(TColStd_HArray1OfReal) DifTab() const;
  
  Standard_EXPORT Handle(TColStd_HArray2OfReal) MaxErrors() const;
  
  Standard_EXPORT Handle(TColStd_HArray2OfReal) MoyErrors() const;

private:

  AdvApp2Var_Iso(const AdvApp2Var_Iso& Other);
  AdvApp2Var_Iso& operator= (const AdvApp2Var_Iso& theOther);

private:

  GeomAbs_IsoType myType;
  Standard_Real myConstPar;
  Standard_Real myU0;
  Standard_Real myU1;
  Standard_Real myV0;
  Standard_Real myV1;
  Standard_Integer myPosition;
  Standard_Integer myExtremOrder;
  Standard_Integer myDerivOrder;
  Standard_Integer myNbCoeff;
  Standard_Boolean myApprIsDone;
  Standard_Boolean myHasResult;
  Handle(TColStd_HArray1OfReal) myEquation;
  Handle(TColStd_HArray2OfReal) myMaxErrors;
  Handle(TColStd_HArray2OfReal) myMoyErrors;
  Handle(TColStd_HArray1OfReal) mySomTab;
  Handle(TColStd_HArray1OfReal) myDifTab;

};

#endif // _AdvApp2Var_Iso_HeaderFile