public Ant(TimeTableData problemData, MMASData mmasData, int week)
{
// memeber variables initialization
data = problemData;
solution = new Solution(problemData, week);
events = data.GetWeekEvents(week);
eventsCount = events.Length;
this.mmasData = mmasData;
totalTimeSlots = data.TotalTimeSlots;
}
public MMASData(TimeTableData problemData, int week, double evaporation, double minPher)
{
//member variables initialization
data = problemData;
events = data.GetWeekEvents(week);
eventesNumber = events.Length;
timeslotsNumber = problemData.TotalTimeSlots;
Pheromones = new double[eventesNumber, timeslotsNumber];
EvaporationRate = evaporation;
MinPherLevel = minPher;
if (EvaporationRate < 1.0)
{
MaxPherLevel = 10.0 / (1.0 - EvaporationRate);
}
else
{
MaxPherLevel = int.MaxValue;
}
// creating a set of pre-sorted event lists
// sorting events based on level of correlations
int[] event_correlation = new int[eventesNumber];
for (int i = 0; i < eventesNumber; i++)
{
// summing up the correlations for each event
event_correlation[i] = 0;
for (int j = 0; j < eventesNumber; j++)
{
if (problemData.ConflictingEvents(events[i].Id, events[j].Id))
event_correlation[i] += 1;
}
}
SortedEventList = new int[eventesNumber];
for (int i = 0; i < eventesNumber; i++)
{
// sorting the list
int max_correlation = -1;
int event_index = -1;
for (int j = 0; j < eventesNumber; j++)
{
if (event_correlation[j] > max_correlation)
{
max_correlation = event_correlation[j];
event_index = j;
}
}
event_correlation[event_index] = -2;
SortedEventList[i] = event_index;
}
}