private static void PrintResults(GAMSDatabase db, int instanceIx, bool enforceOrigin)
{
string ostr = "";
ostr += $"Instance {instanceIx + 1} {(enforceOrigin ? "with" : "w/out")} enforced origin\n";
ostr += $"Delays {GDXUtils.GetLevelsStr(db.GetVariable("v"))}\n";
ostr += $"Costs:\t{db.GetVariable("f").FirstRecord().Level}\n";
int numGoods = db.GetSet("i").NumberRecords;
int numComponents = db.GetSet("k").NumberRecords;
var z = db.GetVariable("z");
var xint = db.GetVariable("xint");
var x = db.GetVariable("x");
var orders = GetOrders(db.GetVariable("w"));
// first good is external source (not from disassembling but instead from order)
for (int i = 1; i < numGoods; i++)
{
for (int k = 0; k < numComponents; k++)
{
int whenProvided = WhenProvided(x, i, k);
ostr += $"i{i + 1},k{k + 1}: Provided at {whenProvided} ";
int repairStart = GetRepairStart(z, i, k);
if (repairStart >= 0)
{
ostr += $";; repair starts at {repairStart}";
}
bool internallyProvided = InternallyProvided(xint, i, k);
if (!internallyProvided)
{
Order o = orders.First(order => order.K == k);
ostr += $";; ordered at {o.T}";
}
ostr += "\n";
}
}
Console.WriteLine(ostr);
}
public static GAMSDatabase GenerateInstance(GAMSWorkspace ws, SetSizes sizes, int seed)
{
Utils.SetSeed(seed);
var db = ws.AddDatabase();
var setNames = new[] { "i", "k", "s", "t" };
var setDescriptions = new[] { "Gueter", "Komponenten", "Schadensbilder", "Perioden" };
GDXUtils.Sets1D(db, setNames, sizes.ToArray(), setDescriptions);
var ekt = Utils.RandomValuesMatrixRowAscendingDiscrete(sizes.ngoods, sizes.ncomponents, 1, 3);
var eks = Utils.RandomValuesMatrixDiscrete(sizes.ngoods, sizes.ncomponents, 2, 3);
var ekreal = Utils.RandomValuesMatrixDiscrete(sizes.ngoods, sizes.ncomponents, 2, 3);
GDXUtils.Parameter2D(db, "ekt", "i", "k", ekt);
GDXUtils.Parameter2D(db, "eks", "i", "k", eks);
GDXUtils.Parameter2D(db, "ekreal", "i", "k", ekreal);
GDXUtils.Parameter1D(db, "due", "i", Utils.RandomValuesDiscrete(sizes.ngoods, 0, 20), "Liefertermin/Frist");
GDXUtils.Parameter1D(db, "c", "i", Utils.RandomValues(sizes.ngoods, 0, 150), "Verspaetungskostensatz pro ZE");
GDXUtils.Parameter1D(db, "rd", "k", Utils.RandomValuesDiscrete(sizes.ncomponents, 1, 4), "Remontagedauer in ZE");
GDXUtils.Parameter1D(db, "rc", "k", Utils.RandomValuesDiscrete(sizes.ncomponents, 1, 2), "Reparaturkapazitaet in ME");
GDXUtils.Parameter1D(db, "rmc", "k", Utils.RandomValuesDiscrete(sizes.ncomponents, 4, 6), "Remontagekapazitaet in ME");
var housingCosts = new double[sizes.ncomponents, sizes.ndamagepatterns];
for (var k = 0; k < housingCosts.GetUpperBound(0); k++)
{
Utils.AssignRow(housingCosts, k, Utils.RandomValuesDescending(sizes.ndamagepatterns, 0.0001, 2.0));
}
GDXUtils.Parameter2D(db, "hc", "k", "s", housingCosts, "Lagerkostensatz pro ZE und ME in Zustand");
GDXUtils.Parameter2D(db, "d", "k", "s", Utils.RandomValuesMatrixRowAscendingDiscrete(sizes.ncomponents, sizes.ndamagepatterns, 0, 62), "Reparaturdauern in ZE");
GDXUtils.Parameter2D(db, "bd", "k", "s", Utils.RandomValuesMatrixRowAscendingDiscrete(sizes.ncomponents, sizes.ndamagepatterns, 1, 4), "Bestelldauer in ZE");
GDXUtils.Parameter2D(db, "bc", "k", "s", Utils.RandomValuesMatrixRowAscending(sizes.ncomponents, sizes.ndamagepatterns, 0.5, 16.0), "Bestellkostensatz pro ME in Zustand");
Console.Write($"Generated instance with seed {seed} and {db.NrSymbols} symbols: ");
return(db);
}