/** Not yet commented. */
  public static void test(int weight, int size) {
    WeightedRandomSampler sampler = new WeightedRandomSampler();
    sampler.setWeight(weight);

    org.ihtsdo.cern.colt.list.IntArrayList sample = new org.ihtsdo.cern.colt.list.IntArrayList();
    for (int i = 0; i < size; i++) {
      if (sampler.sampleNextElement()) sample.add(i);
    }

    System.out.println("Sample = " + sample);
  }
Esempio n. 2
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  /**
   * Fills all keys contained in the receiver into the specified list. Fills the list, starting at
   * index 0. After this call returns the specified list has a new size that equals
   * <tt>this.size()</tt>. Iteration order is guaranteed to be <i>identical</i> to the order used by
   * method {@link #forEachKey(IntProcedure)}.
   *
   * <p>This method can be used to iterate over the keys of the receiver.
   *
   * @param list the list to be filled, can have any size.
   */
  public void keys(IntArrayList list) {
    list.setSize(distinct);
    int[] elements = list.elements();

    int[] tab = table;
    byte[] stat = state;

    int j = 0;
    for (int i = tab.length; i-- > 0; ) {
      if (stat[i] == FULL) elements[j++] = tab[i];
    }
  }
Esempio n. 3
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  /**
   * Fills all pairs satisfying a given condition into the specified lists. Fills into the lists,
   * starting at index 0. After this call returns the specified lists both have a new size, the
   * number of pairs satisfying the condition. Iteration order is guaranteed to be <i>identical</i>
   * to the order used by method {@link #forEachKey(IntProcedure)}.
   *
   * <p><b>Example:</b> <br>
   *
   * <pre>
   * IntDoubleProcedure condition = new IntDoubleProcedure() { // match even keys only
   * public boolean apply(int key, double value) { return key%2==0; }
   * }
   * keys = (8,7,6), values = (1,2,2) --> keyList = (6,8), valueList = (2,1)</tt>
   * </pre>
   *
   * @param condition the condition to be matched. Takes the current key as first and the current
   *     value as second argument.
   * @param keyList the list to be filled with keys, can have any size.
   * @param valueList the list to be filled with values, can have any size.
   */
  public void pairsMatching(
      final IntDoubleProcedure condition,
      final IntArrayList keyList,
      final DoubleArrayList valueList) {
    keyList.clear();
    valueList.clear();

    for (int i = table.length; i-- > 0; ) {
      if (state[i] == FULL && condition.apply(table[i], values[i])) {
        keyList.add(table[i]);
        valueList.add(values[i]);
      }
    }
  }