private void DoSingleton(int ch)
{
if (partition.bSingletons[(int)ch] != partition.tSingletons[(int)ch])
{
throw new GplexInternalException("BitArray and TreeSet not synchronized");
}
if (!partition.tSingletons[(int)ch])
{
partition.bSingletons[(int)ch] = true; // Keep bitset and tree synchronized
partition.tSingletons[(int)ch] = true;
partition.Refine(new RangeLiteral(ch));
}
}
// Refine based on a single, isolated character.
// The singleton is transformed into a RangeLiteral with just
// one element in its RangeList, with a one-length range.
private void DoSingleton(int ch)
{
#if DEBUG
char c = (char)ch; // For readability
#endif
if (this.partition.myTask.CaseAgnostic)
{
partition.Refine(RangeLiteral.NewCaseAgnosticPair(ch));
}
else
{
partition.Refine(new RangeLiteral(ch));
}
}