public void TestAGMOf24and6()
        {
            const double x = 24;
            const double y = 6;

            double       calculatedAgm = AverageExtensions.ArithmeticGeometricMean(x, y);
            const double expectedAgm   = 13.45817148173;
            double       differenceBetweenExpectedAndCalculatedValue = Math.Abs(expectedAgm - calculatedAgm);

            Assert.IsTrue(differenceBetweenExpectedAndCalculatedValue < _epsilon);
        }
 private static void CallAGMWithNegativeSecondArgument()
 {
     AverageExtensions.ArithmeticGeometricMean(1, -2);
 }
 private static void CallAGMWithNegativeFirstArgument()
 {
     AverageExtensions.ArithmeticGeometricMean(-1, 2);
 }