if (x < intervalStart || x > intervalEnd) throw new IllegalArgumentException( "Value not in the codomain interval: "+x);
if (x < intervalStart) x = intervalStart; else if (x > intervalEnd) x = intervalEnd; return x;
	private void verifyInput(int x)	{		if (x < intervalStart || x > intervalEnd)			throw new IllegalArgumentException(				"Value not in the codomain interval: "+x);	}