package algs12;

import java.util.Arrays;
import stdlib.*;

public class XArrayStats {
  private double theMin;
  private double theMax;
  private double theMean;
  public XArrayStats (double[] array) {
    double min = Double.POSITIVE_INFINITY;
    double max = Double.NEGATIVE_INFINITY;
    double sum = 0;
    for (double d : array) {
      if (d < min) min = d;
      if (d > max) max = d;
      sum += d;
    }
    theMin = min;
    theMax = max;
    theMean = sum/array.length;
  }
  public double min  () { return theMin; }
  public double max  () { return theMax; }
  public double mean () { return theMean; }


  public static void main (String[] args) {
    double[] a = { 2, 6, -5, 9, 8, -1, 0 };
    XArrayStats stats = new XArrayStats (a);
    StdOut.println (Arrays.toString (a));
    StdOut.format ("min=%f, max=%f, mean=%f\n", stats.min(),  stats.max(),  stats.mean() );
  }
}