static double fourPointRangeScore(double value, FourPointsRange range) {
  if (range == null) ret 0;
  if (value >= range.min && value <= range.max) ret 1;
  if (value <= range.tooLow || value >= range.tooHigh) ret 0;
  if (value <= range.min)
    ret (value-range.tooLow)/(range.min-range.tooLow);
  else
    ret 1-(value-range.max)/(range.tooHigh-range.max);
}

static double fourPointRangeScore(FourPointsRange range, double value) {
  ret fourPointRangeScore(value, range);
}