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// File: Bisector.cxx
// Created: Tue mar 3 17:54:52 1994
// Author: Yves FRICAUD
// <yfr@phylox>
#include <Bisector.ixx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec2d.hxx>
//======================================================================
// function : IsConvex
// Purpose :
//======================================================================
Standard_Boolean Bisector::IsConvex(const Handle(Geom2d_Curve)& Cu,
const Standard_Real Sign)
{
Standard_Real U1 = (Cu->LastParameter() + Cu->FirstParameter())/2.;
gp_Pnt2d P1;
gp_Vec2d V1,V2;
Cu->D2(U1,P1,V1,V2);
Standard_Real Tol = 1.e-5;
if (Sign*(V1^V2) < Tol) return Standard_True; // <= 0.
else return Standard_False;
}
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