Function scalarApproxRelAndAbs

Check whether the relative error between a and b is smaller than maxEps. If the absolute error is less than maxAbs, the test succeeds however. This is useful when comparing against zero the result of a subtraction.


						
				bool scalarApproxRelAndAbs(T)
				(
				

				  in T a,
				

				  in T b,
				

				  in T maxAbs = 0.0001,
				

				  in T maxEps = 4 * T.epsilon
				

				)
				

				if (isFloatingPoint!T);