Beispiel #1
0
        public void Test_Double_UInt32Arr()
        {
            int rngSeed = DateTime.Now.Millisecond;

            Console.WriteLine("RNG seed {0}", rngSeed);
            Random rnd         = new Random(rngSeed);
            int    repetitions = 100000;

            UInt32[] data = new UInt32[2];
            for (int rep = 0; rep < repetitions; ++rep)
            {
                Double value = rnd.NextDouble() * Double.MaxValue + Double.MinValue / 2;
                BitwiseConvert.ToUInt32Arr(value, data);
                Double value1 = BitwiseConvert.ToDouble(data);
                Assert.AreEqual(value, value1);
            }
        }
Beispiel #2
0
        public void Test_UInt64_UInt32Arr()
        {
            int rngSeed = DateTime.Now.Millisecond;

            Console.WriteLine("RNG seed {0}", rngSeed);
            Random rnd         = new Random(rngSeed);
            int    repetitions = 100000;

            UInt32[] data = new UInt32[2];
            for (int rep = 0; rep < repetitions; ++rep)
            {
                // Generate in a range larger than max value and wrap.
                UInt64 value = unchecked ((UInt64)(2.0 * rnd.NextDouble() * (Double)UInt64.MaxValue));
                BitwiseConvert.ToUInt32Arr(value, data);
                UInt64 value1 = BitwiseConvert.ToUInt64(data);
                Assert.AreEqual(value, value1);
            }
        }
Beispiel #3
0
        public void Benchmark_Converter()
        {
            int      repetitions = 20000000;
            DateTime startTime;
            double   time;
            uint     dummyCount; // To avoid optimization
            double   dummyCountDouble;


            UInt32[] data = new UInt32[2];

            startTime  = DateTime.Now;
            dummyCount = 0; // To avoid optimization
            for (int i = 0; i < repetitions; ++i)
            {
                BitwiseConvert.ToUInt32Arr(1.0, data);
                dummyCount += data[0];
            }

            time = (DateTime.Now - startTime).TotalSeconds;

            Console.WriteLine(
                "BitwiseConvert.ToUInt32Arr(double, UInt32[]): repetitions {0:###,###,###}, dummy-count {1}, time {2} s, {3:###,###,###} conv/s",
                repetitions, dummyCount, time, repetitions / time);

            startTime        = DateTime.Now;
            dummyCountDouble = 0;
            for (int i = 0; i < repetitions; ++i)
            {
                dummyCountDouble += BitwiseConvert.ToDouble(data);
            }

            time = (DateTime.Now - startTime).TotalSeconds;

            Console.WriteLine(
                "BitwiseConvert.ToDoble(UInt32[]): repetitions {0:###,###,###}, dummy-count {1}, time {2} s, {3:###,###,###} conv/s",
                repetitions, dummyCountDouble, time, repetitions / time);
        }