Accord.Tests.Math.MetricsTest.CosineSimilarityTest C# (CSharp) Method

        public void CosineSimilarityTest()
        {
            CosineSimilarity sim = new CosineSimilarity();

            // TODO: Re-enable argument checking only for debugging
            // Assert.Throws<ArgumentException>(() => sim.GetSimilarityScore(p0, q4));

            double result = sim.GetSimilarityScore(p0, q0);
            Assert.AreEqual(result, .8, 0.00001);

            result = sim.GetSimilarityScore(p1, q1);
            Assert.AreEqual(result, 0.97014, 0.00001);

            result = sim.GetSimilarityScore(p2, q2);
            Assert.AreEqual(result, 0);

            result = sim.GetSimilarityScore(p3, q3);
            Assert.AreEqual(result, 1, 0.00001);

            result = sim.GetSimilarityScore(p4, q4);
            Assert.AreEqual(result, 0.96065, 0.00001);

            result = sim.GetSimilarityScore(p5, q5);
            Assert.AreEqual(result, 0.96897, 0.00001);
        }