MedHist.h

#ifndef _MED_HIST_H_
#define _MED_HIST_H_
 
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
 
#include <assert.h>
#include <math.h>
 
#include <vector>
#include <map>
#include <string>
#include <algorithm>
 
//======================================================================================
// MedHist - simple class to get histograms
//======================================================================================
class MedHist {
 
public:
 
    float missing_value;
    int positive_only_flag;
    float rounder; // to round values with, -1: no rounding
    float from_val, to_val; // histogram boundaries (first cell will be <from_val, last cell will be >= to_val), if not set will be the 0.001 - 0.999 parts of the distribution
    int ncells; // if too big due to rounding values, will be shrinked automatically
    float min_percentile, max_percentile;
    vector<int> hist;
    vector<float> from;
    vector<float> to;
 
 
    MedHist() { clear(); }
    
    void clear();
    int get_hist(vector<float> &vals);
 
    int get_cdf(vector<float> &cdf);
    int sum();
    void print(string &prefix);
};
 
#endif