// 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 <IntSurf_Quadric.hxx>
#include <gp_Vec.hxx>

inline Standard_Real IntSurf_QuadricTool::Value (const IntSurf_Quadric& Quad,
						 const Standard_Real X,
						 const Standard_Real Y,
						 const Standard_Real Z) {

  return Quad.Distance(gp_Pnt(X,Y,Z));
}

inline void IntSurf_QuadricTool::Gradient (const IntSurf_Quadric& Quad,
					   const Standard_Real X,
					   const Standard_Real Y,
					   const Standard_Real Z,
					   gp_Vec& V) {

  V = Quad.Gradient(gp_Pnt(X,Y,Z));
}

inline void IntSurf_QuadricTool::ValueAndGradient (const IntSurf_Quadric& Quad,
						   const Standard_Real X,
						   const Standard_Real Y,
						   const Standard_Real Z,
						   Standard_Real& Val,
						   gp_Vec& V) {

  Quad.ValAndGrad(gp_Pnt(X,Y,Z),Val,V);
}