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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// Created on: 1994-03-03
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// Created by: Yves FRICAUD
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Bisector.hxx>
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#include <Geom2d_Curve.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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//======================================================================
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// function : IsConvex
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// Purpose :
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//======================================================================
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Standard_Boolean Bisector::IsConvex(const Handle(Geom2d_Curve)& Cu,
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const Standard_Real Sign)
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{
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Standard_Real U1 = (Cu->LastParameter() + Cu->FirstParameter())/2.;
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gp_Pnt2d P1;
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gp_Vec2d V1,V2;
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Cu->D2(U1,P1,V1,V2);
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Standard_Real Tol = 1.e-5;
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if (Sign*(V1^V2) < Tol) return Standard_True; // <= 0.
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else return Standard_False;
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}
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