public void Sentence(StringBuilder into)
{
Unigram unigram = Pick();
int counter = 0;
while (unigram != null && unigram != Terminator)
{
counter++;
if (counter >= 100)
{
break;
}
into.Append(unigram.data);
unigram = unigram.Pick(random);
if (unigram == Terminator)
{
break;
}
else
{
into.Append(' ');
}
}
into.Append('.');
}
public void UnigramInstanceTest()
{
var unigram = new Unigram("a");
Assert.AreEqual(1, unigram.Length);
Assert.AreEqual("a", unigram.Value);
}
public Unigram Add(T data)
{
Unigram unigram = new Unigram(data);
starts.Add(unigram);
return(unigram);
}
public Unigram Add()
{
Unigram unigram = new Unigram();
starts.Add(unigram);
return(unigram);
}
public Markov(int seed_)
{
seed = seed_;
starts = new List <Unigram>();
random = new Random(seed_);
Terminator = new Unigram(default(T));
}
public void CompareToTest()
{
var instance = new Unigram("x");
var higherInstance = new Unigram("a");
var equalInstance = new Unigram("x");
HelpersTest.AssertCompareTo(instance, higherInstance, equalInstance);
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
Unigram p = (Unigram)obj;
return(data.Equals(p.data));
}
public void Add(Unigram unigram, int weight)
{
if (weights == null)
{
weights = new Dictionary <Unigram, int>();
weights.Add(unigram, 1);
}
else
{
int w;
if (weights.TryGetValue(unigram, out w) == false)
{
weights.Add(unigram, 1);
}
else
{
w = w + 1;
weights[unigram] = w;
}
}
}
public Unigram Pick(Random random)
{
// https://softwareengineering.stackexchange.com/questions/150616/return-random-list-item-by-its-weight
if (weights == null)
{
return(null);
}
int w = 0;
Unigram u = null;
foreach (var t in weights)
{
int s = t.Value;
if (random.Next(w + s) >= w)
{
u = t.Key;
}
w += s;
}
return(u);
}
public StringMarkov(int seed_) : base(seed_)
{
Terminator = new Unigram(Guid.NewGuid().ToString());
}
public void ToStringTest()
{
var unigram = new Unigram("a");
Assert.AreEqual("a", unigram.ToString());
}
public void UnigramExceptionTest()
{
var unigram = new Unigram("ab");
}
public Unigram Add(Unigram unigram)
{
Add(unigram, 1);
return(unigram);
}
public Unigram Add(Unigram unigram)
{
starts.Add(unigram);
return(unigram);
}
