fun add_extra_array_of_double(name: JavaString, value: Array[Float]): NativeIntent
	  import Array[Float].length, Array[Float].[] in "Java" `{
		double[] java_array = new double[(int)Array_of_Float_length(value)];

		for (int i=0; i < java_array.length; ++i)
			java_array[i] = Array_of_Float__index(value, i);

		return self.putExtra(name, java_array);
	`}