static void Main(string[] args)
{
MyUniform rand = new MyUniform(48, 17);
int x;
for (int i = 0; i < 2000; i++)
{
x = rand.Next();
Console.WriteLine(x);
}
Console.WriteLine("geometric random");
Console.WriteLine();
MyGeometric rand1 = new MyGeometric(29.29);
for (int i = 0; i < 2000; i++)
{
x = rand1.Next();
Console.WriteLine(x);
}
System.Console.WriteLine("Results using txt file");
for (double i = 0; i <= 40; i += 5)
{
InventorySim sim = new InventorySim(80, i);
}
System.Console.WriteLine();
System.Console.WriteLine("Results using uniform random distribution");
for (double i = 0; i <= 40; i += 5)
{
InventorySimUniform sim = new InventorySimUniform(80, i);
}
System.Console.WriteLine();
System.Console.WriteLine("Results using geometric random distribution");
for (double i = 0; i <= 40; i += 5)
{
InventorySimGeometric sim = new InventorySimGeometric(80, i);
}
System.Console.ReadLine();
}
public InventorySimUniform(double S, double s)
{
MyUniform Rand = new MyUniform(48, 17);
double index = 0;
double MAXIMUM = S;
double MINIMUM = s;
double demand = 0;
double order;
double Sumsetup = 0;
double Sumholding = 0;
double Sumshortage = 0;
double Sumorder = 0;
double Sumdemand = 0;
double inventory = MAXIMUM;
while (index < 100)
{
index++;
if (inventory < MINIMUM)
{
order = MAXIMUM - inventory;
Sumsetup++;
Sumorder += order;
}
else
{
order = 0;
}
inventory += order;
demand = (double)Rand.Next();
Sumdemand += demand;
if (inventory > demand)
{
Sumholding += inventory - 0.5 * demand;
}
else
{
Sumholding += Math.Pow(inventory, 2) / (2 * demand);
Sumshortage += Math.Pow((demand - inventory), 2) / (2 * demand);
}
inventory -= demand;
}
if (inventory < MAXIMUM)
{
order = MAXIMUM - inventory;
Sumsetup++;
Sumorder += order;
inventory += order;
}
double sumOfCosts = (Sumsetup / index) * 1000 + (Sumholding / index) * 25 + (Sumshortage / index) * 700;
System.Console.WriteLine("For " + index + " time intervals");
System.Console.WriteLine("with an average demand of " + Sumdemand / index);
System.Console.WriteLine(" and policy parameters (" + MINIMUM + "," + MAXIMUM + ")");
System.Console.WriteLine(" average order cost " + (Sumorder / index) * 8000);
System.Console.WriteLine(" setup cost average " + (Sumsetup / index) * 1000);
System.Console.WriteLine(" average holding level cost " + (Sumholding / index) * 25);
System.Console.WriteLine(" average shortage level cost " + (Sumshortage / index) * 700);
System.Console.WriteLine(" average total cost " + sumOfCosts);
System.Console.WriteLine();
}