public override IEnumerable <object> GetNextNeighbor()
{
int i;
int[] c;
Feature min_f;
TabooSearchSolution s;
min_f = this.features[0];
for (i = 1; i < this.features.Length; i++)
{
if (this.features[i].Cost < min_f.Cost)
{
min_f = features[i];
}
}
c = new int[this.colors.Length];
Array.Copy(this.colors, c, c.Length);
c[min_f.Node.ID] = min_f.Color;
s = new TabooSearchSolution(this.graph, c);
s.Feature = min_f;
yield return(s);
}
public void SetFeatures(Feature[] features)
{
int[] cl = this.colors.Distinct().ToArray();
int uc = this.GetUnusedColor();
this.features = features.Where(f => this.colors[f.Node.ID] != f.Color && (cl.Contains(f.Color) || uc == f.Color)).ToArray();
Parallel.For(0, this.features.Length, (i) =>
{
int[] c = new int[this.colors.Length];
TabooSearchSolution s;
Array.Copy(this.colors, c, c.Length);
// changing the color within the copied color array
c[this.features[i].Node.ID] = this.features[i].Color;
s = new TabooSearchSolution(this.graph, c);
this.features[i].Cost = s.GetWorth();
});
}