public Solution(GASolver s, List <int> c_chromosome, List <bool> w_chromosome)
{
Warehouses = s.Warehouses;
Customers = s.Customers;
CChromosome = c_chromosome;
WChromosome = w_chromosome;
RepairIndex = 0;
solver = s;
}
public Problem(string file_name)
{
Warehouses = new List <Warehouse>();
Customers = new List <Customer>();
//
// Load Data File
//
using (StreamReader sr = new StreamReader(file_name))
{
string line = sr.ReadLine();
string[] tokens = line.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
// n_customer
// n_warehouse
n_warehouse = Convert.ToInt32(tokens[0]);
n_customer = Convert.ToInt32(tokens[1]);
for (int i = 0; i < n_warehouse; i++)
{
line = sr.ReadLine().Replace(".", ",");
tokens = line.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
int capacity = Convert.ToInt32(tokens[0]);
double setupCost = Convert.ToDouble(tokens[1]);
Warehouse warehouse = new Warehouse(i, capacity, setupCost);
Warehouses.Add(warehouse);
}
for (int i = 0; i < n_customer; i++)
{
Customer customer = new Customer();
customer.CustomerID = i;
List <Travel> travels = new List <Travel>();
line = sr.ReadLine().Trim();
customer.Demand = Convert.ToInt32(line);
line = sr.ReadLine().Replace(".", ",");
tokens = line.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < tokens.Length; j++)
{
Travel travel = new Travel()
{
Customer = customer,
Warehouse = Warehouses[j],
TravelCost = Convert.ToDouble(tokens[j])
};
travels.Add(travel);
}
travels = travels.OrderBy(c => c.TravelCost).ToList();
customer.Travels = travels;
Customers.Add(customer);
}
}
// CHROMOSOME LENGTH PARAMETER SETTINGS
if (n_customer > 50)
{
WChromosomeSize(20);
}
solver = new GASolver(Customers, Warehouses);
// DEFAULT PARAMETER SETTINGS
// n_population = 100;
// n_generation = 25;
// n_elite = 1;
// k = 2;
// pc_w = 0.5;
// pc_c = 0.8;
// pm_w = 0.1;
// pm_c = 0.4;
// FOR 1000-2000 INSTANCES
// if (n_customer > 999)
// solver.n_population = 10;
solver.Solve();
Solution s = solver.BestSolution;
s.Write();
}
