Double[] args() {
		final Double[] result = new Double[arity()];
		for (int i = 0; i < result.length; ++i) {
			result[i] = _sample[i];
		}
		return result;
	}
Create a new sample point with the given argument array and result value.

@param sample the arguments of the sample point
@throws IllegalArgumentException if the argument array is empty
@throws NullPointerException if the argument array is {@code null}
jenetics.prog/src/main/java/io/jenetics/prog/regression/DoubleSample.java