code: public static DoubleChromosome of(final DoubleRange range, final int length) {
  		return of(range.getMin(), range.getMax(), length);
  	}
docs: Create a new random {@code DoubleChromosome}.
  
  @since 3.2
  
  @param range the integer range of the chromosome.
  @param length the length of the chromosome.
  @return a new random {@code DoubleChromosome}
  @throws NullPointerException if the given {@code range} is {@code null}
  @throws IllegalArgumentException if the {@code length} is smaller than
  one.