code: private int selectCoords(Collection<Point2d[]> ps, Point2d[] coords, IRing macrocycle, IRingSet ringset) {
          assert ps.size() != 0;
          final int[] winding = new int[coords.length];
  
          MacroScore best = null;
          for (Point2d[] p : ps) {
              final int wind = winding(p, winding);
              MacroScore score = bestScore(macrocycle, ringset, wind, winding);
              if (score.compareTo(best) < 0) {
                  best = score;
                  System.arraycopy(p, 0, coords, 0, p.length);
              }
          }
  
          // never null
          return best != null ? best.offset : 0;
      }
docs: Select the best coordinates
  
  @param ps template points
  @param coords best coordinates (updated by this method)
  @param macrocycle the macrocycle
  @param ringset rest of the ring system
  @return offset into the coordinates