code: public static byte[] insertDoubleInto(byte[] array, int index, double value) {
  		byte[] holder = new byte[4];
  		doubleTo(holder, 0, value);
  		return insert(array, index, holder);
  
  	}
docs: Insert double into.
  
  @param array the array
  @param index the index
  @param value the value
  @return the byte[]