Accord.Tests.Statistics.Models.Fields.ForwardBackwardAlgorithmTest.ForwardTest4 C# (CSharp) Method

        public void ForwardTest4()
        {
            var hmmc = Accord.Tests.Statistics.Models.Fields.
                MultivariateMarkovFunctionTest.CreateModel3();

            var hmm = hmmc[0];

            var function = new MarkovMultivariateFunction(hmm);

            var observations = Accord.Tests.Statistics.Models.Fields.
                MultivariateMarkovFunctionTest.inputTest[3];

            double expectedLogLikelihood;
            double[,] expected = Accord.Statistics.Models.Markov
                .ForwardBackwardAlgorithm.Forward(hmm, observations, out expectedLogLikelihood);

            double actualLogLikelihood;
            double[,] actual = Accord.Statistics.Models.Fields.
                ForwardBackwardAlgorithm.Forward(function.Factors[0], observations, 0, out actualLogLikelihood);


            Assert.IsTrue(expected.IsEqual(actual, 1e-10));


            Assert.AreEqual(expectedLogLikelihood, actualLogLikelihood, 1e-6);
            Assert.IsFalse(Double.IsNaN(actualLogLikelihood));

        }