HistogramOnly.java

package umontreal.ssj.stat;
 
import umontreal.ssj.util.PrintfFormat;

public class HistogramOnly extends TallyHistogram implements Cloneable {

   public HistogramOnly(double a, double b, int s) {
      super(a, b, s);
   }

   public HistogramOnly(String name, double a, double b, int s) {
      super(a, b, s);
      this.name = name;
   }
 
   @Override
   public void init() {
      numObs = 0;
      for (int i = 0; i < numBins; i++)
         count[i] = 0;
   }

   public void add(double x) {
      numObs++;
      if ((x >= m_a) & (x <= m_b))
         ++count[(int) ((x - m_a) / m_h)];
   }
 
   @Override
   public double sum() {
      throw new IllegalStateException("HistogramOnly.variance() is not supported.");
      // return Double.NaN;
   }
 
   @Override
   public double average() {
      throw new IllegalStateException("HistogramOnly.variance() is not supported.");
      // return Double.NaN;
   }
 
   @Override
   public double variance() {
      throw new IllegalStateException("HistogramOnly.variance() is not supported.");
      // return Double.NaN;
   }

   public HistogramOnly clone() {
      HistogramOnly image = (HistogramOnly) super.clone();
      return image;
   }

   public String toString() {
      StringBuffer sb = new StringBuffer();
      sb.append("---------------------------------------" + PrintfFormat.NEWLINE);
      sb.append(name + PrintfFormat.NEWLINE);
      sb.append("Interval = [ " + m_a + ", " + m_b + " ]" + PrintfFormat.NEWLINE);
      sb.append("Number of bins = " + numBins + PrintfFormat.NEWLINE);
      sb.append(PrintfFormat.NEWLINE + "Counters = {" + PrintfFormat.NEWLINE);
      for (int i = 0; i < numBins; i++) {
         double a = m_a + (i - 1) * m_h;
         double b = m_a + i * m_h;
         sb.append("   (" + PrintfFormat.f(6, 3, a) + ", " + PrintfFormat.f(6, 3, b) + ")    " + count[i]
               + PrintfFormat.NEWLINE);
      }
      sb.append("}" + PrintfFormat.NEWLINE);
      return sb.toString();
   }
 
   @Override
   public String report() {
      // TODO Auto-generated method stub
      throw new IllegalStateException("HistogramOnly.report() is not supported.");
   }
 
   @Override
   public String shortReport() {
      // TODO Auto-generated method stub
      throw new IllegalStateException("HistogramOnly.shortReport() is not supported.");
   }
 
   @Override
   public String shortReportHeader() {
      // TODO Auto-generated method stub
      throw new IllegalStateException("HistogramOnly.shortReportHeader() is not supported.");
   }
 
}