#include <Adaptor2d_Curve2d.hxx>
-#include <Adaptor3d_Curve.hxx>
-#include <Adaptor3d_Surface.hxx>
#include <BlendFunc.hxx>
#include <BlendFunc_ChamfInv.hxx>
#include <math_Matrix.hxx>
-#include <Precision.hxx>
//=======================================================================
//function : BlendFunc_ChamfInv