static void Main(String[] args)
{
using (var writer = new StreamWriter("output.csv", false)) {
writer.WriteLine(",min,elias-omega,elias-gamma,elias-delta,fibonacci,vlq(7),thompson-alpha(6)");
for (UInt64 i = 1; i < UInt64.MaxValue / 10; i *= 2)
{
writer.Write(i);
writer.Write(",");
writer.Write(Bits.CountUsed(i));
writer.Write(",");
writer.Write(EliasOmegaUnsignedWriter.CalculateBitLength(i));
writer.Write(",");
writer.Write(EliasGammaUnsignedWriter.CalculateBitLength(i));
writer.Write(",");
writer.Write(EliasDeltaUnsignedWriter.CalculateBitLength(i));
writer.Write(",");
writer.Write(FibonacciUnsignedWriter.CalculateBitLength(i));
writer.Write(",");
writer.Write(VLQUnsignedWriter.CalculateBitLength(7, i));
writer.Write(",");
writer.Write(ThompsonAlphaUnsignedWriter.CalculateBitLength(6, i));
writer.WriteLine();
}
}
}
public void WriteRead_First1000()
{
for (ulong input = 0; input < 1000; input++)
{
var encoded = EliasGammaUnsignedWriter.WriteOneDefault(input);
var output = EliasGammaUnsignedReader.ReadOneDefault(encoded);
Assert.AreEqual(input, output);
}
}
public void Write_15_15_15()
{
using (var stream = new MemoryStream()) {
using (var writer = new EliasGammaUnsignedWriter(stream)) {
writer.Write(15);
writer.Write(15);
writer.Write(15);
}
Assert.AreEqual("00001000 00000100 00000010 00000000", stream.ToArray().ToBinaryString());
}
}
public void WriteRead_First1000_Appending()
{
ulong min = 0;
ulong max = 1000;
using (var stream = new MemoryStream()) {
using (var writer = new EliasGammaUnsignedWriter(stream)) {
for (var i = min; i < max; i++)
{
writer.Write(i);
}
}
stream.Position = 0;
using (var reader = new EliasGammaUnsignedReader(stream)) {
for (var i = min; i < max; i++)
{
Assert.AreEqual(i, reader.Read());
}
}
}
}
private string Write(ulong value)
{
return(EliasGammaUnsignedWriter.WriteOneDefault(value).ToBinaryString());
}
