// 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.

#include <StdFail_UndefinedDerivative.hxx>

inline void IntImp_ZerImpFunc::Set (const ThePSurface& PS)
{
  surf =  (Standard_Address)(&PS);
}

inline void IntImp_ZerImpFunc::SetImplicitSurface (const TheISurface& IS)
{
  func =  (Standard_Address)(&IS);
}

inline void IntImp_ZerImpFunc::Set (const Standard_Real Tol)
{
  tol = Tol;
}

inline Standard_Real IntImp_ZerImpFunc::Root() const 
{ 
  return valf;
}

inline Standard_Real IntImp_ZerImpFunc::Tolerance() const 
{ 
  return tol;
}

inline const gp_Pnt& IntImp_ZerImpFunc::Point() const 
{
  return pntsol;
}

inline const gp_Vec& IntImp_ZerImpFunc::Direction3d()
{
  if (IsTangent()) throw StdFail_UndefinedDerivative();
  return d3d;
}

inline const gp_Dir2d& IntImp_ZerImpFunc::Direction2d()
{
  if (IsTangent()) throw StdFail_UndefinedDerivative();
  return d2d;
}

inline const ThePSurface& IntImp_ZerImpFunc::PSurface() const 
{
  return  (*((ThePSurface *)(surf)));
}

inline const TheISurface& IntImp_ZerImpFunc::ISurface() const 
{ 
  return  (*((TheISurface *)(func)));
}