Example #1
0
        public void TestRandomTupleListSorting()
        {
            const int          len    = 0x1 << 10;
            SystemRandomSource random = new SystemRandomSource();

            List <int> keys  = new List <int>(len);
            List <int> items = new List <int>(len);

            int[] keysCopy = new int[len];

            for (int i = 0; i < len; i++)
            {
                int value = random.Next();
                keys.Add(value);
                keysCopy[i] = value;
                items.Add(-value);
            }

            Sorting.Sort(keys, items);

            for (int i = 1; i < len; i++)
            {
                Assert.That(keys[i] >= keys[i - 1], "Sort Order - " + i.ToString());
                Assert.That(items[i], Is.EqualTo(-keys[i]), "Items Permutation - " + i.ToString());
            }

            for (int i = 0; i < keysCopy.Length; i++)
            {
                Assert.That(keys.IndexOf(keysCopy[i]) >= 0, "All keys still there - " + i.ToString());
            }
        }
Example #2
0
        public void TestRandomTupleArraySorting()
        {
            const int          len    = 0x1 << 10;
            SystemRandomSource random = new SystemRandomSource();

            int[] keys     = new int[len];
            int[] items    = new int[len];
            int[] keysCopy = new int[len];

            for (int i = 0; i < keys.Length; i++)
            {
                keys[i]     = random.Next();
                keysCopy[i] = keys[i];
                items[i]    = -keys[i];
            }

            Sorting.Sort(keys, items);

            for (int i = 1; i < keys.Length; i++)
            {
                Assert.That(keys[i] >= keys[i - 1], "Sort Order - " + i.ToString());
                Assert.That(items[i], Is.EqualTo(-keys[i]), "Items Permutation - " + i.ToString());
            }

            for (int i = 0; i < keysCopy.Length; i++)
            {
                Assert.That(Array.IndexOf(keys, keysCopy[i]) >= 0, "All keys still there - " + i.ToString());
            }
        }
Example #3
0
        public void TestRandomTripleArraySorting()
        {
            const int          len    = 0x1 << 10;
            SystemRandomSource random = new SystemRandomSource();

            int[] keys     = new int[len];
            int[] items1   = new int[len];
            int[] items2   = new int[len];
            int[] keysCopy = new int[len];

            for (int i = 0; i < keys.Length; i++)
            {
                keys[i]     = random.Next();
                keysCopy[i] = keys[i];
                items1[i]   = -keys[i];
                items2[i]   = keys[i] >> 2;
            }

            Sorting.Sort(keys, items1, items2);

            for (int i = 1; i < keys.Length; i++)
            {
                Assert.IsTrue(keys[i] >= keys[i - 1], "Sort Order - " + i.ToString());
                Assert.AreEqual(-keys[i], items1[i], "Items1 Permutation - " + i.ToString());
                Assert.AreEqual(keys[i] >> 2, items2[i], "Items2 Permutation - " + i.ToString());
            }
            for (int i = 0; i < keysCopy.Length; i++)
            {
                Assert.IsTrue(Array.IndexOf(keys, keysCopy[i]) >= 0, "All keys still there - " + i.ToString());
            }
        }
Example #4
0
        /// <summary>
        /// Gets a normal-like distribution from the 2D array
        /// </summary>
        /// <param name="rand">Random source component</param>
        /// <returns>Array of floats that sum &lt;= 1</returns>
        public static float[] GetNormalDistribution(SystemRandomSource rand)
        {
            float[][] ret_val =
            {
                new float[] {    75.0f, 17.0f,   5.0f,   2.0f,    1.0f },
                new float[] {    68.2f, 27.2f,   4.2f,   0.2f,    0.2f },
                new float[] { 52.6875f, 25.0f, 12.75f, 6.375f, 3.1875f },
                new float[] {    39.4f, 30.0f,  18.4f,   8.8f,    3.4f }
            };

            return(ret_val[rand.Next(ret_val.Length)]);
        }
Example #5
0
        /// <summary>
        /// Shuffles elements in a list
        /// <!-- https://stackoverflow.com/a/1262619/5492446 -->
        /// </summary>
        /// <typeparam name="T">Template type</typeparam>
        /// <param name="list">The list this is called on</param>
        /// <param name="rand">Random source component</param>
        public static void Shuffle <T>(this IList <T> list, SystemRandomSource rand)
        {
            int n = list.Count;

            while (n > 1)
            {
                // Decrements n before evaluating rand.Next
                int k = rand.Next(--n + 1);

                T value = list[k];
                list[k] = list[n];
                list[n] = value;
            }
        }
Example #6
0
        /**
         * \brief Two-point crossover
         * \details Two-point crossover calls for two points to be selected on the parent organism. Everything between the two points is swapped between the parent organisms, rendering two child organisms
         *          ![Genetic Algorithm Crossover Two-point](./media/genetic/crossover.png)<!-- .element height="50%" width="50%" -->
         *  \param[in]  idFirst Index of the first parent
         *  \param[in]  idSecond Index of the second parent
         *  \param[in]  sliceIndexA Index of the first swap point
         *  \param[in]  sliceIndexB Index of the second swap point
         */

        public void CrossoverSliceTwoIndividuals(int idFirst, int idSecond, int sliceIndexA = 0, int sliceIndexB = 0)
        {
            if (sliceIndexA == 0 && sliceIndexB == 0)
            {
                sliceIndexA = rndGenerator.Next(1, individualSize - 1);
                sliceIndexB = rndGenerator.Next(1, individualSize - 1);
            }

            if (sliceIndexA > sliceIndexB)
            {
                int tmp = sliceIndexA;
                sliceIndexA = sliceIndexB;
                sliceIndexB = tmp;
            }

            sliceA = population.Column(idFirst, 0, sliceIndexA);
            sliceB = population.Column(idFirst, sliceIndexB, individualSize - sliceIndexB);

            population.SetColumn(idFirst, 0, sliceIndexA, population.Column(idSecond, 0, sliceIndexA));
            population.SetColumn(idFirst, sliceIndexB, individualSize - sliceIndexB, population.Column(idSecond, sliceIndexB, individualSize - sliceIndexB));
            population.SetColumn(idSecond, 0, sliceIndexA, sliceA);
            population.SetColumn(idSecond, sliceIndexB, individualSize - sliceIndexB, sliceB);
        }
Example #7
0
        public void TestAppliedSetSorting()
        {
            const int          len    = 0x1 << 10;
            SystemRandomSource random = new SystemRandomSource();

            Set <int> set = new Set <int>();

            for (int i = 0; i < len; i++)
            {
                set.Add(random.Next());
            }

            // default sorting (Ascending)
            set.Sort();

            // just check that the order is as expected, not that the items are correct
            for (int i = 1; i < set.Count; i++)
            {
                Assert.That(set[i] >= set[i - 1], "Sort Order - " + i.ToString());
            }
        }
Example #8
0
            void Loop()
            {
                channel = alice.Connect(Thread.CurrentThread.ManagedThreadId);
                var package = new Package();

                package.Type = Package.PackageType.RequestKetEncArray;
                channel.ClientSend(package);
                for (;;)
                {
                    package = channel.ClientReceive();
                    if (package == null)
                    {
                        continue;
                    }
                    switch (package.Type)
                    {
                    case Package.PackageType.ResponseKetEncArray:
                    {
                        package.Type            = Package.PackageType.RequestCorrectBroadArray;
                        arrayLength             = package.ArrayLength;
                        package.MeasureRawArray = new byte[arrayLength];
                        resultMeasureArray      = new byte[arrayLength];
                        var RandomGen = new SystemRandomSource(true);
                        for (var i = 0; i < arrayLength; i++)
                        {
                            package.MeasureRawArray[i] = (byte)RandomGen.Next(2);
                            if (package.MeasureRawArray[i] == 0)
                            {
                                if (package.KetEncArray[i].MeasuHResultIndex(zeroOneMeasure) != 0)
                                {
                                    resultMeasureArray[i] = 1;
                                }
                            }
                            else
                            {
                                if (package.KetEncArray[i].MeasuHResultIndex(plusminusMeasure) != 0)
                                {
                                    resultMeasureArray[i] = 1;
                                }
                            }
                        }
                        channel.ClientSend(package);
                    }
                    break;

                    case Package.PackageType.ResponseCorrectBroadArray:
                    {
                        var finalBobKeyList = new List <byte>();
                        for (var i = 0; i < arrayLength; i++)
                        {
                            if (package.CorrectBroadArray[i] != 0)
                            {
                                finalBobKeyList.Add(resultMeasureArray[i]);
                            }
                        }
                        var finalBobKey = finalBobKeyList.ToArray();
                        lock (alice)
                        {
                            Console.Write($"FinalBobKey for {Thread.CurrentThread.ManagedThreadId}\t");
                            foreach (var b in finalBobKey)
                            {
                                Console.Write(b);
                            }
                            Console.WriteLine();
                        }
                    }
                        alice.Disconnect(Thread.CurrentThread.ManagedThreadId);
                        return;
                    }
                    Thread.Sleep(100);
                }
            }
Example #9
0
            void Loop()
            {
                for (;;)
                {
                    foreach (var pair in clients)
                    {
                        var package = pair.Value.Channel.ServerReceive();
                        if (package == null)
                        {
                            continue;
                        }
                        switch (package.Type)
                        {
                        case Package.PackageType.RequestKetEncArray:
                        {
                            package.Type        = Package.PackageType.ResponseKetEncArray;
                            package.ArrayLength = arrayLength;
                            package.KetEncArray = new Ket[arrayLength];

                            pair.Value.RawKeyArray   = new byte[arrayLength];
                            pair.Value.BasisRawArray = new byte[arrayLength];
                            package.KetEncArray      = new Ket[arrayLength];
                            var complexArray = new Complex[2];
                            var RandomGen    = new SystemRandomSource(true);
                            for (var i = 0; i < arrayLength; i++)
                            {
                                pair.Value.RawKeyArray[i]   = (byte)RandomGen.Next(2);
                                pair.Value.BasisRawArray[i] = (byte)RandomGen.Next(2);
                                if (pair.Value.BasisRawArray[i] == 0 && pair.Value.RawKeyArray[i] == 0)
                                {
                                    complexArray[0]        = new Complex(1, 0);
                                    complexArray[1]        = new Complex(0, 0);
                                    package.KetEncArray[i] = new Ket(complexArray);
                                }
                                else if (pair.Value.BasisRawArray[i] == 0 && pair.Value.RawKeyArray[i] == 1)
                                {
                                    complexArray[0]        = new Complex(0, 0);
                                    complexArray[1]        = new Complex(1, 0);
                                    package.KetEncArray[i] = new Ket(complexArray);
                                }
                                else if (pair.Value.BasisRawArray[i] == 1 && pair.Value.RawKeyArray[i] == 0)
                                {
                                    complexArray[0]        = new Complex(1 / Sqrt(2), 0);
                                    complexArray[1]        = new Complex(1 / Sqrt(2), 0);
                                    package.KetEncArray[i] = new Ket(complexArray);
                                }
                                else if (pair.Value.BasisRawArray[i] == 1 && pair.Value.RawKeyArray[i] == 1)
                                {
                                    complexArray[0]        = new Complex(1 / Sqrt(2), 0);
                                    complexArray[1]        = new Complex(-1 / Sqrt(2), 0);
                                    package.KetEncArray[i] = new Ket(complexArray);
                                }
                            }
                            pair.Value.Channel.ServerSend(package);
                        }
                        break;

                        case Package.PackageType.RequestCorrectBroadArray:
                        {
                            package.Type = Package.PackageType.ResponseCorrectBroadArray;
                            package.CorrectBroadArray = new byte[arrayLength];
                            for (var i = 0; i < arrayLength; i++)
                            {
                                if (package.MeasureRawArray[i] == pair.Value.BasisRawArray[i])
                                {
                                    package.CorrectBroadArray[i] = 1;
                                }
                            }
                            pair.Value.Channel.ServerSend(package);

                            var finalAliceKeyList = new List <byte>();
                            for (var i = 0; i < arrayLength; i++)
                            {
                                if (package.CorrectBroadArray[i] != 0)
                                {
                                    finalAliceKeyList.Add(pair.Value.RawKeyArray[i]);
                                }
                            }
                            var finalAliceKey = finalAliceKeyList.ToArray();
                            lock (this)
                            {
                                Console.Write($"FinalAliceKey for {pair.Key}\t");
                                foreach (var b in finalAliceKey)
                                {
                                    Console.Write(b);
                                }
                                Console.WriteLine();
                            }
                        }
                        break;
                        }
                    }
                    if (exitFlag)
                    {
                        return;
                    }
                    Thread.Sleep(100);
                }
            }
 public int NextInt()
 {
     return(random.Next());
 }
Example #11
0
        public void Run()
        {
            IPriorityQueue <Event> events = new IntervalHeap <Event>();

            SystemRandomSource random = new SystemRandomSource();
            Exponential        nextStoryStartedDistribution = new Exponential(_newStoryRate, random);

            events.Add(new Event(0, 0, new EventValue(EventType.NewStory)));
            events.Add(new Event(0, 0, new EventValue(EventType.Sample)));

            SimulationTime = 0;

            int?stopOnCompletedStories = null;

            double simulationWarmupDays = 30;

            while (!events.IsEmpty)
            {
                if (stopOnCompletedStories == null && SimulationTime > simulationWarmupDays)
                {
                    stopOnCompletedStories = _simulatedStoryCycleTimes.Count + _expectedCompletedStories;
                }

                if (_simulatedStoryCycleTimes.Count >= stopOnCompletedStories)
                {
                    break;
                }

                var evnt = events.DeleteMin();

                SimulationTime = evnt.Time;

                var newEvents = ProcessEvent(evnt);

                foreach (var newEvent in newEvents)
                {
                    double timeOffset;
                    switch (newEvent.Distribution)
                    {
                    case Distribution.Immediate:
                        timeOffset = 0;
                        break;

                    case Distribution.Unit:
                        timeOffset = 1;
                        break;

                    case Distribution.NextStory:
                        timeOffset = nextStoryStartedDistribution.Sample();
                        break;

                    case Distribution.StoryCycleTime:
                        timeOffset = _storyCycleTimes[random.Next(0, _storyCycleTimes.Length)];
                        break;

                    default:
                        throw new ArgumentOutOfRangeException();
                    }
                    events.Add(new Event(SimulationTime + timeOffset, SimulationTime, newEvent.Value));
                }
            }

            SimulationTime       -= simulationWarmupDays;
            AverageWorkInProgress = _storiesInProgressSample.Average();
        }