public TabuSearch(ITrajectorySearch sol, uint seconds)
{
this.sol = sol;
tabuList = new ArrayList();
locker = new object();
SetTime(seconds);
}
public bool boltzman(ITrajectorySearch s_temp, ITrajectorySearch s)
{
if (r.Next(0, 2) < Math.Pow(Math.E, -((s_temp.ObjectifFunction() - s.ObjectifFunction()) / temperature)))
{
return true;
}
return false;
}
public SimulatedAnnealing(ITrajectorySearch m, double alfa, uint seconds) {
if (alfa <= 0 && alfa >= 1)
{
throw (new Exception("Wrong temperature adjust"));
}
this.alfa = alfa;
sol = m;
r = new Random();
locker = new object();
SetTime(seconds);
}
public void Solve()
{
ITrajectorySearch min = sol;
sol = sol.GenerateInitialSolution();
while (!sol.StopSearch() && !stopProcess)
{
lock (locker)
{
sol = sol.AdjustSolution();
if (sol.ObjectifFunction() < min.ObjectifFunction())
{
min = sol;
}
}
}
if (tm != null)
{
StopTimer();
}
}
public void Solve()
{
sol = sol.GenerateInitialSolution();
while (!sol.StopSearch() && !stopProcess)
{
// find a better neighbourgh solution
ITrajectorySearch sTemp = sol.AdjustSolution();
if(!tabuList.Contains(sTemp.ObjectifFunction()))
{
// lock (locker) {
tabuList.Add(sTemp.ObjectifFunction());
if (sTemp.ObjectifFunction() > sol.ObjectifFunction())
{
sol = sTemp;
}
// }
}
}
if(tm!=null)
StopTimer();
}
public void Solve()
{
ITrajectorySearch solTemp;
sol = sol.GenerateInitialSolution();
temperature = 1;
while (!sol.StopSearch() && !stopProcess)
{
lock (locker)
{
solTemp = sol.AdjustSolution();
if (solTemp.ObjectifFunction() > sol.ObjectifFunction() || boltzman(solTemp, sol))
{
sol = solTemp;
}
updateTemperature();
}
}
if (tm != null)
{
StopTimer();
}
}
public TabuSearch(ITrajectorySearch sol)
{
this.sol = sol;
tabuList = new ArrayList();
locker = new object();
}
public IterativeLocalSearch(ITrajectorySearch sol, uint seconds)
{
this.sol = sol;
locker = new object();
SetTime(seconds);
}
