#ifndef HISTOGRAM

#define HISTOGRAM 1

class Histogram

{

/* just an array of integers with some statistical information */

/* consider implementing with an intarray (from hw1) instead */

 private:

  double mean;

  double variance;

  double standard_dev;

  int num_rows;

  int* row_weights;

  double cut_angle;/* this doesn't really belong here, but who cares */

  void initialize_mean();

  void initialize_variance();

  void initialize_standard_dev(); 

 public:

  display();

  Histogram(int n_rows, int* r_weights, double c_angle);

  inline int get_row_weight(int row)

      {

	return row_weights[row];

      }

  inline int get_num_rows()

      {

	return num_rows;

      }

  inline double get_mean()

      {

	return mean;

      }

  inline double get_standard_dev()

      {

	return standard_dev;

      }

  inline double get_variance()

      {

	return variance;

      }

  inline double get_cut_angle()

      {

	return cut_angle;

      }

};

#endif