docs: public void initializeRangesEmpty(int numAtt, double[][] ranges) {
      for (int j = 0; j < numAtt; j++) {
        ranges[j][R_MIN] = Double.POSITIVE_INFINITY;
        ranges[j][R_MAX] = -Double.POSITIVE_INFINITY;
        ranges[j][R_WIDTH] = Double.POSITIVE_INFINITY;
      }
    }