Method add

core/src/processing/data/DoubleDict.java:420–427

@webref doubledict:method @brief Add to a value

(String key, double amount)

   * @brief Add to a value
   */
  public void add(String key, double amount) {
    int index = index(key);
    if (index == -1) {
      create(key, amount);
    } else {
      values[index] += amount;
    }
  }


  /**