Method lineProjection

source/core/StarLine.hpp:216–219

  // from 0.0 to 1.0
  template <size_t P = N>
  typename std::enable_if<P == 2 && N == P, T>::type lineProjection(VectorType const& l2) const {
    VectorType d = diff();
    return ((l2[0] - min()[0]) * d[0] + (l2[1] - min()[1]) * d[1]) / d.magnitudeSquared();
  }

  template <size_t P = N>
  typename std::enable_if<P == 2 && N == P, T>::type distanceTo(VectorType const& l, bool infinite = false) const {