package algs12;
import stdlib.*;
import java.util.Arrays;

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

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