public static CandidateComparerCollection <T> Concat(CandidateComparerCollection <T> first, CandidateComparerCollection <T> second)
{
if (first.CandidateCount != second.CandidateCount)
{
throw new ArgumentException("Candidate Counts must be equal.");
}
return(new CandidateComparerCollection <T>(first.CandidateCount, CountedList <T> .Concat(first.Comparers, second.Comparers)));
}
protected Func <IEnumerable <int>, double> GetSatisfactionWith(CandidateComparerCollection <Voter> voters)
{
var satisfactions = Enumerable.Range(0, voters.CandidateCount)
.Select(i => voters.Comparers.Sum(v => v.Utilities[i]))
.ToList();
var randomSatisfaction = satisfactions.Sum() / (double)voters.CandidateCount;
var maximumSatisfaction = satisfactions.Max();
if (randomSatisfaction == maximumSatisfaction)
{
return(_ => 1d);
}
return((winners) => winners.Average(candidate => (satisfactions[candidate] - randomSatisfaction) / (maximumSatisfaction - randomSatisfaction)));
}
public abstract Dictionary <Strategy, double> CalculateSatisfaction(Random random, CandidateComparerCollection <Voter> voters);
public virtual PossibleResultCollection GetPossibleResults(CandidateComparerCollection <Voter> voters) => throw new NotSupportedException();