/// <summary>
/// The create.
/// </summary>
/// <param name="source">
/// The source.
/// </param>
/// <param name="link">
/// The link.
/// </param>
/// <returns>
/// The <see cref="Chain"/>.
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown if link is unacceptable.
/// </exception>
public static Chain Create(Chain source, Link link)
{
if (link != Link.Start && link != Link.End && link != Link.CycleEnd && link != Link.CycleStart)
{
throw new ArgumentException("Unknown link", "link");
}
var result = new Chain(source.GetLength());
Alphabet sourceAlphabet = source.Alphabet;
var entries = new int[sourceAlphabet.Cardinality];
var intervals = new int[sourceAlphabet.Cardinality][];
for (int j = 0; j < sourceAlphabet.Cardinality; j++)
{
var intervalsManager = new CongenericIntervalsManager(source.CongenericChain(j));
intervals[j] = intervalsManager.GetIntervals(link);
}
for (int i = 0; i < source.GetLength(); i++)
{
var elementIndex = sourceAlphabet.IndexOf(source[i]);
int entry = entries[elementIndex]++;
var interval = intervals[elementIndex][entry];
result.Set(new ValueInt(interval), i);
}
return result;
}
public void CongenericIntervalsManagerCreationNoneLinkTest(int index, Link link)
{
var intervalsManager = new CongenericIntervalsManager(congenericChains[index]);
var intervals = allIntervals[index][link];
Assert.AreEqual(intervalsManager.GetIntervals(link).Length, intervals.Count);
for (int i = 0; i < intervals.Count; i++)
{
Assert.AreEqual(intervals[i], intervalsManager.GetIntervals(link)[i]);
}
}
