1 // Created on: 1994-04-05
2 // Created by: Yves FRICAUD
3 // Copyright (c) 1994-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Bisector_FunctionH_HeaderFile
18 #define _Bisector_FunctionH_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <gp_Pnt2d.hxx>
25 #include <gp_Vec2d.hxx>
26 #include <math_FunctionWithDerivative.hxx>
27 #include <Standard_Boolean.hxx>
28 #include <Standard_Real.hxx>
34 //! H(v) = (T1 .P2(v) - P1) * ||T(v)|| -
36 //! (T(v).P2(v) - P1) * ||T1||
37 class Bisector_FunctionH : public math_FunctionWithDerivative
44 Standard_EXPORT Bisector_FunctionH(const Handle(Geom2d_Curve)& C2, const gp_Pnt2d& P1, const gp_Vec2d& T1);
46 //! Computes the values of the Functions for the variable <X>.
47 Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F);
49 Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D);
51 //! Returns the values of the functions and the derivatives
52 //! for the variable <X>.
53 Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D);
68 Handle(Geom2d_Curve) curve2;
81 #endif // _Bisector_FunctionH_HeaderFile