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);
}
}
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);
}
}
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);
}
