Accord.Tests.Math.MatrixTest.bottom_1 C# (CSharp) Method

        public void bottom_1()
        {
            Accord.Math.Random.Generator.Seed = 0;

            for (int size = 1; size < 1000; size *= 10)
            {
                for (int n = 1; n < size; n += 10)
                {
                    for (int i = 0; i < 100; i++)
                    {
                        int[] random = UniformDiscreteDistribution.Random(size);
                        int[] sorted = random.Sorted();

                        int[] expectedBottom = sorted.First(n);
                        int[] bottomIdx = random.Bottom(n);
                        int[] actualBottom = random.Submatrix(bottomIdx);
                        Assert.IsTrue(actualBottom.IsEqual(expectedBottom));

                        int[] expectedTop = sorted.Last(n).Reversed();
                        int[] topIdx = random.Top(n);
                        int[] actualTop = random.Submatrix(topIdx);
                        Assert.IsTrue(actualTop.IsEqual(expectedTop));
                    }
                }
            }
        }