public void TestExample(Func <IEnumerable <bool>, IEnumerable <double>, double> calcScore, ScoreMethod scoreMethod, double falseValue = 0.0)
{
var input = "11 10 00 01 01 11 00"
.ParseBools()
.Select(b => b?1.0: falseValue);
var expected = "1 0 1 1 0 0 0";
var config = CodeConfig.Size3_7_5;
var decoder = new Viterbi <double>(config.EnumerateTransitions(), calcScore, new ViterbiConfig()
{
InitialState = State.Zero(config.NoOfStateRegisters), ScoreMethod = scoreMethod
});
var res = decoder.Solve(input);
res.Message.ShouldBe(expected.ParseBools());
}
private static void DemoContinuousSymmetricScore()
{
var config = CodeConfig.Size7_6d_4f;
var input = 15003.GetBools(14)
.Concat(Enumerable.Repeat(false, 6));
var encoder = new Encoder(config, terminateCode: false);
var encoded = encoder.Encode(input);
var transmitted =
encoded
.Select(e => e ? 255.0 : 0);
var decoder = new Viterbi <double>(
config.EnumerateTransitions(),
SymmetricScore.Range_0_255.CalculateScore,
new ViterbiConfig()
{
InitialState = State.Zero(config.NoOfStateRegisters),
ScoreMethod = ScoreMethod.Maximize,
TerminationState = State.Zero(config.NoOfStateRegisters)
});
var restored = decoder.Solve(transmitted);
Console.WriteLine("Configuration: " + config);
Console.WriteLine();
Console.WriteLine("Input: " + input.Format());
Console.WriteLine("Encoded: " + encoded.Format());
Console.WriteLine("Restored: " + restored.Message.Format());
Console.Write($"Score: {restored.BestEndScore:F2}");
//if (restored.TerminationStateScore.HasValue)
Console.Write($" / {restored.TerminationStateScore:F2}");
Console.WriteLine();
Console.WriteLine();
}
public void Decode()
{
var restored = viterbi.Solve(encoded);
}
