package org.catacomb.numeric.data;
   
   
   public final class DoubleArray {
   
   
       double[] data;
       int npoint;
   
  
      public DoubleArray() {
          data = new double[100];
          npoint = 0;
      }
  
      public DoubleArray(double[] da) {
          data = da;
          npoint = da.length;
      }
  
  
      public int getNPoint() {
          return npoint;
      }
  
      public double[] getData() {
          return data;
      }
  
  
      public void addPoint(double d) {
          if (data == null) {
              data = new double[100];
          }
  
          if (npoint == data.length) {
              double[] td = new double[2 * data.length];
              System.arraycopy(data, 0, td, 0, npoint);
              data = td;
          }
          data[npoint++] = d;
      }
  
  
      public double getValue(int n) {
          return (n >= 0 && n < npoint ? data[n] : 0.);
      }
  
      public double[] getCutDownArray() {
          double[] da = new double[npoint];
          System.arraycopy(data, 0, da, 0, npoint);
          return da;
      }
  }