Beispiel #1
0
Datei: scs.c Projekt: tkelman/scs
static void setSolution(Data * d, Work * w, Sol * sol, Info * info) {
	idxint l = d->n + d->m + 1;
	setx(d, w, sol);
	sety(d, w, sol);
	sets(d, w, sol);
	if (info->statusVal == 0 || info->statusVal == SOLVED) {
		pfloat tau = w->u[l - 1];
		pfloat kap = ABS(w->v[l - 1]);
		if (tau > INDETERMINATE_TOL && tau > kap) {
			info->statusVal = solved(d, sol, info, tau);
		} else {
			if (calcNorm(w->u, l) < INDETERMINATE_TOL * SQRTF((pfloat) l)) {
				info->statusVal = indeterminate(d, sol, info);
			} else {
				pfloat bTy = innerProd(d->b, sol->y, d->m);
				pfloat cTx = innerProd(d->c, sol->x, d->n);
				if (bTy < cTx) {
					info->statusVal = infeasible(d, sol, info);
				} else {
					info->statusVal = unbounded(d, sol, info);
				}
			}
		}
	} else if (info->statusVal == INFEASIBLE) {
		info->statusVal = infeasible(d, sol, info);
	} else {
		info->statusVal = unbounded(d, sol, info);
	}
}
ull binary_search(ull hi)  {
    ull lo = 0, mid;
    while (lo < hi)  {
      mid = lo + (hi-lo)/2;
      if (infeasible(mid))
         hi = mid;
      else
         lo = mid+1;
    }
    if (!infeasible(lo))
      return -1;

    return lo;
}
 inline double changeDownInCost(int sequence) const {
      double returnValue = 0.0;
      if (CLP_METHOD1) {
           int iRange = whichRange_[sequence] + offset_[sequence];
           if (iRange != start_[sequence] && !infeasible(iRange - 1))
                returnValue = cost_[iRange] - cost_[iRange-1];
           else
                returnValue = 1.0e100;
      }
      if (CLP_METHOD2) {
           returnValue = infeasibilityWeight_;
      }
      return returnValue;
 }
Beispiel #4
0
int main()
{
	infeasible(7,13);
		return 0;
}
Beispiel #5
0
stResult<TCity> * main_genetic(mySlimTree* SlimTree, TCity * queryObject, stDistance range)
{
	time_t begin, end;

	begin = time(NULL);
	
	srand(time(NULL));
	
	Population * pop = new_population();
	Population * aux_pop = new_empty_population();
	
	infeasible(SlimTree, pop);
	
	set_genotype(pop);
	
	evaluate_fitness(pop, SlimTree, queryObject, range);

	#if DEBUG
	print_population(pop ,"Pop", number_of_gerations);
	#endif

	while( (number_of_gerations < MAX_NUMBER_OF_GERATIONS) && (delta_fitness > 0.0001) )
	{
		number_of_gerations++;
		#if DEBUG
		cout << "Number of Gerations: "<< number_of_gerations << endl;
		#endif
		selection_by_tournament(pop, aux_pop);
		#if DEBUG
		cout << "Torneio" << endl;
		#endif
		crossover_uniform(aux_pop);
		#if DEBUG
		cout << "Crossover Uniforme" << endl;
		#endif
		mutation(aux_pop);
		#if DEBUG
		cout << "Mutação" << endl;
		#endif
		set_phenotype(aux_pop);
		#if DEBUG
		cout << "Fenotipo" << endl;
		#endif
		infeasible(SlimTree, aux_pop);
		#if DEBUG
		cout << "Infactibilidade" << endl;
		#endif
		set_genotype(aux_pop);
		#if DEBUG
		cout << "Fenotipo" << endl;
		#endif
		copy_population(aux_pop, pop);
		#if DEBUG
		cout << "Copiar aux pop" << endl;
		#endif
		evaluate_fitness(pop, SlimTree, queryObject, range);
		#if DEBUG
		cout << "Fitness" << endl;
		#endif
		
		old_media_of_fitness = media_of_fitness;
		media_of_fitness = get_media_of_population(pop);
		delta_fitness = fabs(media_of_fitness - old_media_of_fitness);
	}

	end = time(NULL);
	
	#if DEBUG
	print_population(pop, "PopulatioN", number_of_gerations);
	
	print_statistic(pop, begin, end);
	#endif
}