Accord.Tests.MachineLearning.RansacLineTest.RansacLineConstructorTest C# (CSharp) Method

        public void RansacLineConstructorTest()
        {
            Point[] points = new Point[500];

            {
                for (int i = 0; i < points.Length; i++)
                {
                    double x = i;
                    double y = i; //+ 5 * Accord.Math.Tools.Random.NextDouble();
                    points[i] = new Point((float)x, (float)y);
                }

                RansacLine target = new RansacLine(0.80, 0.9);

                Line actual = target.Estimate(points);
                Line expected = Line.FromPoints(points[0], points[499]);

                Assert.AreEqual(expected.Slope, actual.Slope, 1e-3);
                Assert.AreEqual(expected.Intercept, actual.Intercept, 1e-2);
            }

            {
                for (int i = 0; i < points.Length; i++)
                {
                    double x = i;
                    double y = i + 5 * Accord.Math.Tools.Random.NextDouble();
                    points[i] = new Point((float)x, (float)y);
                }

                RansacLine target = new RansacLine(0.80, 0.9);

                Line actual = target.Estimate(points);

                Assert.AreEqual(1.0, actual.Slope, 1e-3);
                Assert.AreEqual(0.0, actual.Intercept, 1e-2);
            }

            {
                for (int i = 0; i < points.Length; i++)
                {
                    double x = i + 50;
                    double y = i + 50 + 5 * Accord.Math.Tools.Random.NextDouble();
                    points[i] = new Point((float)x, (float)y);
                }

                RansacLine target = new RansacLine(0.80, 0.9);

                Line actual = target.Estimate(points);

                Assert.AreEqual(1.0, actual.Slope, 1e-3);
                Assert.AreEqual(0.0, actual.Intercept, 1e-2);
            }
        }