}
        final int[] values = new int[2];
        values[0] = Integer.parseInt(froms[0]);
        if (values[0] < 0 || values[0] > 23) {
            throw new FessSystemException("Invalid format: " + time);
        }
        values[1] = Integer.parseInt(froms[1]);
        if (values[1] < 0 || values[1] > 59) {
            throw new FessSystemException("Invalid format: " + time);

  }

  private static double ensurePositive(double value) {
    if (value > 0.0) {
      return value;
    } else {
      return Double.MIN_VALUE;
    }
  }

  private static double ensureInUnitRange(double value) {
    if (value >= 1.0) {
      return 1.0;
    }
    if (value <= -1.0) {
      return -1.0;
    }
    return value;
  }

  // Serialization helpers

      // non-finite inputs will have sumOfProductsOfDeltas = NaN, so non-finite values will result
      // in NaN naturally.
      sumOfProductsOfDeltas +=
          values.sumOfProductsOfDeltas()
              + (values.xStats().mean() - xStats.mean())
                  * (values.yStats().mean() - yStats.mean())
                  * values.count();
    }
    yStats.addAll(values.yStats());
  }

     * If the value is a Collection containing Entity objects, each Entity will be converted to a Map.
     * For other types of values, they are registered directly.
     *
     * @param data the RenderData object to register the value in
     * @param key the key to associate with the value
     * @param value the value to register; can be null, Entity, Collection, or any other object
     */

   *     less than {@link Integer#MIN_VALUE}
   */
  public static int checkedCast(long value) {
    int result = (int) value;
    checkArgument(result == value, "Out of range: %s", value);
    return result;
  }

  /**
   * Returns the {@code int} nearest in value to {@code value}.
   *
   * @param value any {@code long} value

  }

  private static void assertCastFails(long value) {
    try {
      SignedBytes.checkedCast(value);
      fail("Cast to byte should have failed: " + value);
    } catch (IllegalArgumentException ex) {
      assertWithMessage(value + " not found in exception text: " + ex.getMessage())
          .that(ex.getMessage().contains(String.valueOf(value)))
          .isTrue();
    }
  }

  public void testCompare() {

      }
    }
    return flip(min);
  }

  /**
   * Returns the greatest value present in {@code array}, treating values as unsigned.
   *
   * @param array a <i>nonempty</i> array of unsigned {@code long} values
   * @return the value present in {@code array} that is greater than or equal to every other value
   *     in the array according to {@link #compare}

    return optional.orElse(null);
  }

  /**
   * Returns the minimum of the two values. If the values compare as 0, the first is returned.
   *
   * <p>The recommended solution for finding the {@code minimum} of some values depends on the type
   * of your data and the number of elements you have. Read more in the Guava User Guide article on

                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> {
                    final String[] values = StringUtils.split(s, "=", 2);
                    if (values.length == 2) {
                        mimetypeMap.put(values[0], values[1]);
                    }
                }));
        if (logger.isDebugEnabled()) {
            logger.debug("loaded filetype: {}", mimetypeMap);

    return set(rowIndex, columnIndex, value);
  }

  /*
   * TODO(jlevy): Consider creating a merge() method, similar to putAll() but
   * copying non-null values only.
   */

  /**
   * {@inheritDoc}
   *
   * <p>If {@code table} is an {@code ArrayTable}, its null values will be stored in this table,
   * possibly replacing values that were previously non-null.
   *