public void ProbabilityDensityFunctionTest()
        {
            double a = -5;
            double b = 11;
            ContinuousUniformDistribution target = new ContinuousUniformDistribution(a, b);
            double x        = 4.2;
            double expected = 0.0625;
            double actual   = target.ProbabilityDensityFunction(x);

            Assert.AreEqual(expected, actual);

            x        = -5;
            expected = 0.0625;
            actual   = target.ProbabilityDensityFunction(x);
            Assert.AreEqual(expected, actual);

            x        = -6;
            expected = 0.0;
            actual   = target.ProbabilityDensityFunction(x);
            Assert.AreEqual(expected, actual);

            x        = 11;
            expected = 0.0625;
            actual   = target.ProbabilityDensityFunction(x);
            Assert.AreEqual(expected, actual);

            x        = 12;
            expected = 0.0;
            actual   = target.ProbabilityDensityFunction(x);
            Assert.AreEqual(expected, actual);
        }