コード例 #1
0
    public static void Main(string[] args)
    {
        //RunAllTests();

        var ewahBitmap1                  = EwahCompressedBitArray.BitmapOf(345, 100987, 4309222);
        var ewahBitmap1_clone            = EwahCompressedBitArray.BitmapOf(345, 100987, 4309222);
        var ewahBitmap1_strictSubset     = EwahCompressedBitArray.BitmapOf(345, 100987);
        var ewahBitmap1_notstrictSubset2 = EwahCompressedBitArray.BitmapOf(100987, 7007);
        var ewahBitmap1_intersects_1     = EwahCompressedBitArray.BitmapOf(345, 67773, 100987);
        var ewahBitmap1_intersects_2     = EwahCompressedBitArray.BitmapOf(65, 345);
        var ewahBitmap1_3                = EwahCompressedBitArray.BitmapOf(55, 900000008);

        Console.WriteLine(ewahBitmap1_clone.IsSubsetOf(ewahBitmap1));
        Console.WriteLine(ewahBitmap1.IsSubsetOf(ewahBitmap1_clone));
        Console.WriteLine(ewahBitmap1.Equals(ewahBitmap1_clone));
        Console.WriteLine(ewahBitmap1_strictSubset.IsSubsetOf(ewahBitmap1));
        Console.WriteLine(ewahBitmap1_notstrictSubset2.IsSubsetOf(ewahBitmap1));
        Console.WriteLine(ewahBitmap1_intersects_1.IsSubsetOf(ewahBitmap1));
        Console.WriteLine(ewahBitmap1_intersects_2.IsSubsetOf(ewahBitmap1));

        Console.WriteLine(ewahBitmap1.Minus(ewahBitmap1_strictSubset));
        Console.WriteLine(ewahBitmap1.Minus(ewahBitmap1_intersects_1));
        Console.WriteLine(ewahBitmap1.Minus(ewahBitmap1_intersects_2));
        Console.WriteLine(ewahBitmap1.Minus(ewahBitmap1_3));
    }
コード例 #2
0
ファイル: example.cs プロジェクト: rapoth/csharpewah
    public static void Main(string[] args)
    {
        var ewahBitmap1 = EwahCompressedBitArray.BitmapOf(0, 2, 64, 1 << 30);
        var ewahBitmap2 = EwahCompressedBitArray.BitmapOf(1, 3, 64, 1 << 30);

        Console.WriteLine("Running demo program:");
        Console.WriteLine("bitmap 1: " + ewahBitmap1);
        Console.WriteLine("bitmap 2:" + ewahBitmap2);
        EwahCompressedBitArray orbitmap = ewahBitmap1.Or(ewahBitmap2);

        Console.WriteLine();
        Console.WriteLine("bitmap 1 OR bitmap 2:" + orbitmap);
        Console.WriteLine("memory usage: " + orbitmap.SizeInBytes + " bytes");
        Console.WriteLine();
        EwahCompressedBitArray andbitmap = ewahBitmap1.And(ewahBitmap2);

        Console.WriteLine("bitmap 1 AND bitmap 2:" + andbitmap);
        Console.WriteLine("memory usage: " + andbitmap.SizeInBytes + " bytes");
        EwahCompressedBitArray xorbitmap = ewahBitmap1.Xor(ewahBitmap2);

        Console.WriteLine("bitmap 1 XOR bitmap 2:" + xorbitmap);
        Console.WriteLine("memory usage: " + andbitmap.SizeInBytes + " bytes");
        Console.WriteLine("End of demo.");
        Console.WriteLine("");

        var tr = new EwahCompressedBitArrayTest();

        tr.TestYnosa();
        tr.TestIntersectOddNess();
        tr.testsetSizeInBits();
        tr.SsiYanKaiTest();
        tr.testDebugSetSizeInBitsTest();
        tr.EwahIteratorProblem();
        tr.TayaraTest();
        tr.TestNot();
        tr.TestCardinality();
        tr.TestEwahCompressedBitArray();
        tr.TestExternalization();
        tr.TestLargeEwahCompressedBitArray();
        tr.TestMassiveAnd();
        tr.TestMassiveAndNot();
        tr.TestMassiveOr();
        tr.TestMassiveXOR();
        tr.HabermaasTest();
        tr.VanSchaikTest();
        tr.TestRunningLengthWord();
        tr.TestSizeInBits1();
        tr.TestHasNextSafe();
        tr.TestCloneEwahCompressedBitArray();
        tr.TestSetGet();
        tr.TestWithParameters();

        new EWAHCompressedBitArraySerializerTest().TestCustomSerializationStrategy();
    }
コード例 #3
0
        public void SsiYanKaiTest()
        {
            Console.WriteLine("testing SsiYanKaiTest");
            EwahCompressedBitArray a          = EwahCompressedBitArray.BitmapOf(39935, 39936, 39937, 39938, 39939, 39940, 39941, 39942, 39943, 39944, 39945, 39946, 39947, 39948, 39949, 39950, 39951, 39952, 39953, 39954, 39955, 39956, 39957, 39958, 39959, 39960, 39961, 39962, 39963, 39964, 39965, 39966, 39967, 39968, 39969, 39970, 39971, 39972, 39973, 39974, 39975, 39976, 39977, 39978, 39979, 39980, 39981, 39982, 39983, 39984, 39985, 39986, 39987, 39988, 39989, 39990, 39991, 39992, 39993, 39994, 39995, 39996, 39997, 39998, 39999, 40000, 40001, 40002, 40003, 40004, 40005, 40006, 40007, 40008, 40009, 40010, 40011, 40012, 40013, 40014, 40015, 40016, 40017, 40018, 40019, 40020, 40021, 40022, 40023, 40024, 40025, 40026, 40027, 40028, 40029, 40030, 40031, 40032, 40033, 40034, 40035, 40036, 40037, 40038, 40039, 40040, 40041, 40042, 40043, 40044, 40045, 40046, 40047, 40048, 40049, 40050, 40051, 40052, 40053, 40054, 40055, 40056, 40057, 40058, 40059, 40060, 40061, 40062, 40063, 40064, 40065, 40066, 40067, 40068, 40069, 40070, 40071, 40072, 40073, 40074, 40075, 40076, 40077, 40078, 40079, 40080, 40081, 40082, 40083, 40084, 40085, 40086, 40087, 40088, 40089, 40090, 40091, 40092, 40093, 40094, 40095, 40096, 40097, 40098, 40099, 40100);
            EwahCompressedBitArray b          = EwahCompressedBitArray.BitmapOf(39935, 39936, 39937, 39938, 39939, 39940, 39941, 39942, 39943, 39944, 39945, 39946, 39947, 39948, 39949, 39950, 39951, 39952, 39953, 39954, 39955, 39956, 39957, 39958, 39959, 39960, 39961, 39962, 39963, 39964, 39965, 39966, 39967, 39968, 39969, 39970, 39971, 39972, 39973, 39974, 39975, 39976, 39977, 39978, 39979, 39980, 39981, 39982, 39983, 39984, 39985, 39986, 39987, 39988, 39989, 39990, 39991, 39992, 39993, 39994, 39995, 39996, 39997, 39998, 39999, 270000);
            HashSet <int>          aPositions = new HashSet <int>(a.GetPositions());
            int intersection                  = 0;
            EwahCompressedBitArray inter      = new EwahCompressedBitArray();
            HashSet <int>          bPositions = new HashSet <int>(b.GetPositions());

            foreach (int integer in bPositions)
            {
                if (aPositions.Contains(integer))
                {
                    inter.Set(integer);
                    ++intersection;
                }
            }
            EwahCompressedBitArray and2 = a.And(b);
            List <int>             l1   = inter.GetPositions();
            List <int>             l2   = and2.GetPositions();
            var ok = true;

            if (l1.Count != l2.Count)
            {
                Console.WriteLine("cardinality differs = " + l1.Count + " " + l2.Count);
                ok = false;
            }
            for (int k = 0; k < l1.Count; ++k)
            {
                if (l1[k] != l2[k])
                {
                    Console.WriteLine("differ at " + k + " = " + l1[k] + " " + l2[k]);
                    ok = false;
                }
            }
            Assert.IsTrue(ok);
            Assert.AreEqual(true, and2.Equals(inter));
            Assert.AreEqual(inter.GetHashCode(), and2.GetHashCode());
            Assert.AreEqual(intersection, and2.GetCardinality());
        }