//----------------------------------------SIMPLEX METODAI-------------------------------------------
private SimplexLentele MakeLentelesCopy(SimplexLentele Lent)
{
SimplexLentele nauja = new SimplexLentele();
eilute eil = new eilute();
nauja.BVS.AddRange(Lent.BVS);
for (int i = 0; i < Lent.eilutes.Count; i++)
{
eil = new eilute();
eil.eilutesReiksmes.AddRange(Lent.eilutes[i].eilutesReiksmes);
nauja.eilutes.Add(eil);
}
nauja.RHS.AddRange(Lent.RHS);
return nauja;
}
private Boolean ParuostiSpausdinimui(SimplexLentele Lent, List<int> Likutis, ref RandomElements rnd)
{
RandomiserClass Randomiser = new RandomiserClass();
Randomiser.sablonas = subsabl;
for (int i = 0; i < Randomiser.sablonas.SablonoSubNr.Count; i++)
{
Randomiser.kiekis.Add(0);
}
int dabartinis = 0;
Boolean blogas = false;
for (int i = 0; i < Lent.RHS.Count; i++)
{
if (Lent.BVS[i] >= 0)
{
if (Lent.RHS[i] < 0)
{
blogas = true;
return true;
}
dabartinis += Lent.RHS[i];
Randomiser.kiekis[Lent.BVS[i]] = Lent.RHS[i];
}
}
if (blogas == false)
{
Randomiser.suma.AddRange(Likutis);
for (int i = 0; i < Likutis.Count; i++)
{
if (Likutis[i] < 0)
{
blogas = true;
return true;
}
Randomiser.liekana += Likutis[i];
}
if (blogas == false)
{
Randomiser.ilgis.AddRange(problem.ilgis);
Randomiser.tipas.AddRange(problem.tipai);
Randomiser.pagamintaDetaliu = dabartinis;
if (rnd.random.Count > 0)
{
if (rnd.random[0].pagamintaDetaliu < dabartinis)
{
rnd.random.Clear();
rnd.random.Add(Randomiser);
}
if (rnd.random[0].pagamintaDetaliu == dabartinis)
{
rnd.random.Add(Randomiser);
}
if (rnd.random[0].pagamintaDetaliu > dabartinis)
{
return true;
}
}
else
{
rnd.random.Add(Randomiser);
}
}
}
return false;
}
private Boolean CheckArGalimaTestiSprendima(SimplexLentele Lent)
{
for (int i = 0; i < Lent.RHS.Count; i++)
{
if (Lent.RHS[i] < 0)
{
return false;
}
}
for (int i = 0; i < Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes.Count; i++)
{
double tikrinimui = Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes[i];
if (Math.Round(tikrinimui, 2, MidpointRounding.ToEven) > 0)
{
return true;
}
}
return false;
}
//-------------------------------------------SIMPLEX------------------------------------------------
private void LygciuSudarimas()
{
Lygtys = new LygciuSistema();
Lygtis LG = new Lygtis();
for (int i = 0; i < problem.kiekis.Count; i++)
{
LG = new Lygtis();
LG.LygtiesSprendinys = problem.kiekis[i];
LG.LygtiesLiekana = problem.kiekis[i];
for (int j = 0; j < subsabl.SablonoElem.Count; j++)
{
for (int h = 0; h < subsabl.SablonoElem[j].JuostIlgis.Count; h++)
{
if (subsabl.SablonoElem[j].JuostIlgis[h] == problem.ilgis[i] && subsabl.SablonoElem[j].JuostTipas[h] == problem.tipai[i])
{
LG.kiekis.Add(subsabl.SablonoElem[j].Kiekis[h]);
LG.variantas.Add(subsabl.SablonoSubNr[j] - 1);
}
}
}
Lygtys.Lygtis.Add(LG);
}
Lentele = new SimplexLentele();
LenteleBack = new SimplexLentele();
eilute eil = new eilute();
eilute eil2 = new eilute();
for (int i = 0; i < problem.kiekis.Count; i++)
{
Lentele.BVS.Add(-1);
LenteleBack.BVS.Add(-1);
Lentele.RHS.Add(problem.kiekis[i]);
LenteleBack.RHS.Add(problem.kiekis[i]);
eil = new eilute();
eil2 = new eilute();
for (int j = 0; j < subsabl.SablonoElem.Count; j++)
{
eil.eilutesReiksmes.Add(0);
eil2.eilutesReiksmes.Add(0);
}
for (int j = 0; j < Lygtys.Lygtis[i].variantas.Count; j++)
{
eil.eilutesReiksmes[Lygtys.Lygtis[i].variantas[j]] = Lygtys.Lygtis[i].kiekis[j];
eil2.eilutesReiksmes[Lygtys.Lygtis[i].variantas[j]] = Lygtys.Lygtis[i].kiekis[j];
}
Lentele.eilutes.Add(eil);
LenteleBack.eilutes.Add(eil2);
}
eil = new eilute();
eil2 = new eilute();
for (int j = 0; j < subsabl.SablonoElem.Count; j++)
{
eil.eilutesReiksmes.Add(1);
eil2.eilutesReiksmes.Add(1);
}
Lentele.eilutes.Add(eil);
LenteleBack.eilutes.Add(eil2);
}
private void SimplexCiklas(SimplexLentele Lentele, int kiek)
{
//int kiek = Lentele.eilutes[Lentele.eilutes.Count - 1].eilutesReiksmes.Count;
for (int i = 0; i < kiek; i++) // kiek
{
worker.ReportProgress(Convert.ToInt32(Math.Round(Convert.ToDouble(i) / Convert.ToDouble(kiek) * 100)));
SymplexCikloNR(Lentele, i);
if (uzbaigti == true)
{
i = kiek;
}
}
if (RandomList.random.Count > 10)
{
TestingForSimplex(1, 10);
}
}
private void SymplexCikloNR(SimplexLentele Lentele, int cikloNr)
{
SimplexLentele Lent = new SimplexLentele();
Lent = MakeLentelesCopy(Lentele);
Boolean stop = false;
RandomElements LocalList = new RandomElements();
while (CheckArGalimaTestiSprendima(Lent) == true && stop == false)
{
List<int> Likutis = new List<int> { };
int MaxCj = RastiMaxCjCikle(Lent, cikloNr);
Tuple<int, double> back = RastiMinRHS(MaxCj, Lent);
int MinRHS = back.Item1;
int MinRHSReiksme = Convert.ToInt32(Math.Floor(back.Item2));
Lent.BVS[MinRHS] = MaxCj;
PertvarkytiPagrindineEilute(MinRHS, MaxCj, ref Lent);
PertvarkytiLikusesEilutes(MinRHS, MaxCj, ref Lent);
PertvarkytiPagrindiniStulpeli(MinRHS, MaxCj, ref Lent);
PerskaiciuotiRHS(MinRHS, MaxCj, MinRHSReiksme, ref Lent, ref Likutis);
stop = ParuostiSpausdinimui(Lent, Likutis, ref LocalList);
if (LocalList.random.Count > 100)
{
stop = true;
}
}
RandomList.random.AddRange(LocalList.random);
}
private Tuple<int, double> RastiMinRHS(int MaxCj, SimplexLentele Lent)
{
double min = Lent.RHS[0];
int mn = 0;
double tikrinti = 0;
for (int i = 0; i < Lent.eilutes.Count - 1; i++)
{
if (Lent.eilutes[i].eilutesReiksmes[MaxCj] > 0)
{
tikrinti = Lent.RHS[i] / Lent.eilutes[i].eilutesReiksmes[MaxCj];
if (tikrinti < min && tikrinti > 0) // FIXED?
{
min = tikrinti;
mn = i;
}
}
}
return Tuple.Create(mn, min);
}
//-------------------------------------------SU CIKLU-----------------------------------------------
private void SimplexBeCiklo(SimplexLentele Lentele, int nr)
{
SymplexCikloNR(Lentele, nr);
TestingForSimplex(1, 0);
}
private void PertvarkytiPagrindiniStulpeli(int MinRHS, int MaxCj, ref SimplexLentele Lent)
{
for (int i = 0; i < Lent.eilutes.Count; i++)
{
if (i != MinRHS)
{
Lent.eilutes[i].eilutesReiksmes[MaxCj] = 0;
}
}
}
private int RastiMaxCjCikle(SimplexLentele Lent, int cikloNr)
{
double pradineReiksme = Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes[0];
Boolean VisiVienodi = true;
for (int i = 0; i < Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes.Count; i++)
{
if (Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes[i] != pradineReiksme)
{
VisiVienodi = false;
i = Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes.Count;
}
}
if (VisiVienodi == true)
{
return cikloNr;
}
else
{
double max = 0;
int mx = 0;
for (int i = 0; i < Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes.Count; i++)
{
if (max < Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes[i])
{
max = Lent.eilutes[Lent.eilutes.Count - 1].eilutesReiksmes[i];
mx = i;
}
}
return mx;
}
}
private void PertvarkytiPagrindineEilute(int MinRHS, int MaxCj, ref SimplexLentele Lent)
{
double IsKoDalinti = Lent.eilutes[MinRHS].eilutesReiksmes[MaxCj];
for (int i = 0; i < Lent.eilutes[MinRHS].eilutesReiksmes.Count; i++)
{
double beta = Lent.eilutes[MinRHS].eilutesReiksmes[i] / IsKoDalinti;
Lent.eilutes[MinRHS].eilutesReiksmes[i] = Math.Round(beta, 10); // ?
}
}
private void PertvarkytiLikusesEilutes(int MinRHS, int MaxCj, ref SimplexLentele Lent)
{
for (int i = 0; i < Lent.eilutes.Count; i++)
{
if (i != MinRHS)
{
for (int j = 0; j < Lent.eilutes[i].eilutesReiksmes.Count; j++)
{
if (j != MaxCj)
{
double beta = Lent.eilutes[i].eilutesReiksmes[j] - Lent.eilutes[i].eilutesReiksmes[MaxCj] * Lent.eilutes[MinRHS].eilutesReiksmes[j];
//if (beta < 0)
//{
// beta = 0;
//}
Lent.eilutes[i].eilutesReiksmes[j] = Math.Round(beta, 10);
}
}
}
}
}
private void PerskaiciuotiRHS(int MinRHS, int MaxCj, int MinRHSReiksme, ref SimplexLentele Lent, ref List<int> Likuciai)
{
Lent.RHS[MinRHS] = MinRHSReiksme;
for (int i = 0; i < LenteleBack.eilutes.Count - 1; i++)
{
int likutis = LenteleBack.RHS[i] - MinRHSReiksme * Convert.ToInt32(LenteleBack.eilutes[i].eilutesReiksmes[MaxCj]);
Likuciai.Add(likutis);
}
for (int i = 0; i < Likuciai.Count; i++)
{
if (i != MinRHS)
{
if (Lent.BVS[i] >= 0)
{
// rasti minimuma is kiek galima dalinti.
double min = Convert.ToDouble(Likuciai[i]);
for (int j = 0; j < LenteleBack.eilutes.Count - 1; j++)
{
if (LenteleBack.eilutes[j].eilutesReiksmes[Lent.BVS[i]] > 0)
{
double kiekdalinti = Convert.ToDouble(Likuciai[j]) / LenteleBack.eilutes[j].eilutesReiksmes[Lent.BVS[i]]; // ????????????????????
if (kiekdalinti < min)
{
min = kiekdalinti;
}
}
}
Lent.RHS[i] = Convert.ToInt32(Math.Floor(min));
// atimti is likuciu
for (int j = 0; j < Likuciai.Count; j++)
{
Likuciai[j] -= Lent.RHS[i] * Convert.ToInt32(LenteleBack.eilutes[j].eilutesReiksmes[Lent.BVS[i]]); //?
}
}
}
}
// liekanos
for (int i = 0; i < Likuciai.Count; i++)
{
if (i != MinRHS)
{
if (Lent.BVS[i] < 0)
{
Lent.RHS[i] = Likuciai[i];
}
}
}
}
//-------------------------------------------SU CIKLU-------------------------------------------
private void SimplexCiklas(SimplexLentele Lentele)
{
SimplexLentele Lent = new SimplexLentele();
List<int> Likutis = new List<int> { };
int kiek = Lentele.eilutes[Lentele.eilutes.Count - 1].eilutesReiksmes.Count;
int i;
for (i = 0; i < kiek; i++) // kiek
{
SymplexCikloNR(Lentele, i);
TestingForSimplex(1);
}
}
private void Reset()
{
problem = new Uzklausa();
visoP = new Uzklausa();
RandomList = new RandomElements();
problemOld = new Uzklausa();
Lygtys = new LygciuSistema();
Lentele = new SimplexLentele();
}
