public Graphic3d_Vec2d cwiseMax(Graphic3d_Vec2d theVec)
 {
     throw new NotImplementedException();
 }
 public Graphic3d_Vec2d(Graphic3d_Vec2d theOtherVec2)
     : base()
 {
     throw new NotImplementedException();
 }
 public bool IsEqual(Graphic3d_Vec2d theOther)
 {
     throw new NotImplementedException();
 }
 public double Dot(Graphic3d_Vec2d theOther)
 {
     throw new NotImplementedException();
 }