--- /dev/null
+// Created on: 1995-01-27
+// Created by: Jacques GOUSSARD
+// Copyright (c) 1995-1999 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 _GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox_HeaderFile
+#define _GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <Standard_Address.hxx>
+#include <Standard_Real.hxx>
+#include <gp_Pnt.hxx>
+#include <Standard_Boolean.hxx>
+#include <gp_Vec.hxx>
+#include <gp_Dir2d.hxx>
+#include <math_FunctionSetWithDerivatives.hxx>
+#include <Standard_Integer.hxx>
+#include <math_Vector.hxx>
+class StdFail_UndefinedDerivative;
+class Adaptor3d_HSurface;
+class Adaptor3d_HSurfaceTool;
+class IntSurf_Quadric;
+class IntSurf_QuadricTool;
+class math_Matrix;
+class gp_Pnt;
+class gp_Vec;
+class gp_Dir2d;
+
+
+
+class GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox : public math_FunctionSetWithDerivatives
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ Standard_EXPORT GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox();
+
+ Standard_EXPORT GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox(const Handle(Adaptor3d_HSurface)& PS, const IntSurf_Quadric& IS);
+
+ Standard_EXPORT GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox(const IntSurf_Quadric& IS);
+
+ void Set (const Handle(Adaptor3d_HSurface)& PS);
+
+ void SetImplicitSurface (const IntSurf_Quadric& IS);
+
+ void Set (const Standard_Real Tolerance);
+
+ Standard_EXPORT Standard_Integer NbVariables() const;
+
+ Standard_EXPORT Standard_Integer NbEquations() const;
+
+ Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
+
+ Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
+
+ Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
+
+ Standard_Real Root() const;
+
+ Standard_Real Tolerance() const;
+
+ const gp_Pnt& Point() const;
+
+ Standard_EXPORT Standard_Boolean IsTangent();
+
+ const gp_Vec& Direction3d();
+
+ const gp_Dir2d& Direction2d();
+
+ const Handle(Adaptor3d_HSurface)& PSurface() const;
+
+ const IntSurf_Quadric& ISurface() const;
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+ Standard_Address surf;
+ Standard_Address func;
+ Standard_Real u;
+ Standard_Real v;
+ Standard_Real tol;
+ gp_Pnt pntsol;
+ Standard_Real valf;
+ Standard_Boolean computed;
+ Standard_Boolean tangent;
+ Standard_Real tgdu;
+ Standard_Real tgdv;
+ gp_Vec gradient;
+ Standard_Boolean derived;
+ gp_Vec d1u;
+ gp_Vec d1v;
+ gp_Vec d3d;
+ gp_Dir2d d2d;
+
+
+};
+
+#define ThePSurface Handle(Adaptor3d_HSurface)
+#define ThePSurface_hxx <Adaptor3d_HSurface.hxx>
+#define ThePSurfaceTool Adaptor3d_HSurfaceTool
+#define ThePSurfaceTool_hxx <Adaptor3d_HSurfaceTool.hxx>
+#define TheISurface IntSurf_Quadric
+#define TheISurface_hxx <IntSurf_Quadric.hxx>
+#define TheISurfaceTool IntSurf_QuadricTool
+#define TheISurfaceTool_hxx <IntSurf_QuadricTool.hxx>
+#define IntImp_ZerImpFunc GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox
+#define IntImp_ZerImpFunc_hxx <GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox.hxx>
+
+#include <IntImp_ZerImpFunc.lxx>
+
+#undef ThePSurface
+#undef ThePSurface_hxx
+#undef ThePSurfaceTool
+#undef ThePSurfaceTool_hxx
+#undef TheISurface
+#undef TheISurface_hxx
+#undef TheISurfaceTool
+#undef TheISurfaceTool_hxx
+#undef IntImp_ZerImpFunc
+#undef IntImp_ZerImpFunc_hxx
+
+
+
+
+#endif // _GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox_HeaderFile