public GaDualSorter(GenomePool <GenomeSorterDual> genomePoolDualSorter,
SortablePool sortablePool,
IRando randy)
{
SortablePool = sortablePool;
GenomePoolDualSorter = genomePoolDualSorter;
SorterPool = new SorterPool(id: Guid.NewGuid(),
sorters: GenomePoolDualSorter.SelectMany(
gds => gds.MakePhenotypes(randy, 1)));
}
public static GaDualSorter EvolveSortables(this GaDualSorter gaDualSorter,
Dictionary <Guid, SortableResult> sortableResults,
IRando randy,
double replacementRate)
{
var winSortablesCount = (int)(gaDualSorter.SortablePool.Count() * (1.0 - replacementRate));
var looseSortablesCount = gaDualSorter.SortablePool.Count() - winSortablesCount;
var newSortables = Enumerable.Range(0, looseSortablesCount)
.Select(i => randy.ToPermutation(gaDualSorter.SorterPool.Order).ToSortable());
var bestSortables = sortableResults.Values
.OrderByDescending(r => r.AverageSortedness)
.Take(winSortablesCount)
.Select(sr => sr.Sortable);
var newSortablePool = new SortablePool(Guid.NewGuid(), bestSortables.Concat(newSortables));
return(new GaDualSorter(
genomePoolDualSorter: gaDualSorter.GenomePoolDualSorter,
sortablePool: newSortablePool,
randy: randy));
}
public static void SetBestSortablePool(this Dictionary <string, object> dictionary,
SortablePool bestSortablePool)
{
dictionary[kBestSortablePool] = bestSortablePool;
}
public static void SetSortablePool(this Dictionary <string, object> dictionary, SortablePool sorterPool)
{
dictionary[kSortablePool] = sorterPool;
}
