Method Normalize

libs/geometry/point2d.hpp:106–113

  double Length() const { return std::sqrt(SquaredLength()); }

  Point<T> Normalize() const
  {
    if (IsAlmostZero())
      return Zero();

    double const length = this->Length();
    return Point<T>(x / length, y / length);
  }

  std::pair<Point<T>, Point<T>> Normals(T prolongationFactor = 1) const
  {