public static double erfcinv(final double x) {
		return erfinv(1.0 - x);
	}
Returns the complementary inverse error function, {@code erfinv}.

@see <a href="https://people.maths.ox.ac.uk/~gilesm/codes/erfinv/gems.pdf">
	  Mike Giles: Approximating the erfinv function</a>
@see #erfinv(double)

@param x the input value
@return an approximation of {@code erfinvc}
jenetics.incubator/src/main/java/io/jenetics/incubator/math/Erf.java