Unfortunately, the straightforward implementation results in O(N^2) space time complexity for N sampled points on a ray. In this package, we provide our O(N) realization presnted in the DVGOv2 report.
Institut für Physikalische und Theoretische Chemie, Universität Bonn, Wegelerstrasse 12, 53115 Bonn, Germany and Max-Planck Institute for Bioinorganic Chemistry, Stiftstr. 34-36, D-45470 Mülheim an ...