private static double[] run(ModelInterface aC_model, int ai_mcn, double[] ada_bestvalues) {
int li_breakcond = 0;
java.text.NumberFormat fn =
(java.text.NumberFormat) java.text.NumberFormat.getInstance(java.util.Locale.GERMANY);
fn.setMaximumFractionDigits(100);
double best = 10E10;
TestFunction fct = aC_model.getFct();
fct.resetSeverity();
while (li_breakcond != ai_mcn) {
/* Iterate one step, method returns true if a perfect solution was found inside,
* when having fit(i) = 0, prevents devision by Zero (calc Select Probs) and
* breaks further calculations (onlookers).
*/
aC_model.Iterate();
fct.addToSeverity(0.1);
// save the last best
Solution lC_globalbest = aC_model.getBestSolution();
/* on every step the best, later be used to make a mean with more experiments */
ada_bestvalues[li_breakcond] = lC_globalbest.value;
li_breakcond++;
}
double[] ld_best_it = new double[2];
ld_best_it[0] = best;
ld_best_it[1] = li_breakcond;
return ld_best_it;
}
private static void runABC(TestFunction cur_fct) {
/* get nr of runs */
Integer nr_runs = (Integer) gC_params.get(GlobalParameters.nr_runs);
/* array holding best values for each run */
double[] values = new double[nr_runs];
/* array holding the iteration number when goal was reached */
int[] lia_iterations = new int[nr_runs];
int li_popSize = (Integer) gC_params.get(GlobalParameters.popSize);
int li_iterations;
/* decide how many evaluations, depends on function */
double li_fctid = cur_fct.getID();
if (li_fctid == 1 || li_fctid == 2) {
li_iterations = (Integer) gC_params.get(GlobalParameters.numEval1) / li_popSize;
} else {
li_iterations = (Integer) gC_params.get(GlobalParameters.numEval2) / li_popSize;
}
/* for plotting, mean value of each cycle and cycle number */
double[][] lda_bestvalue = new double[nr_runs][li_iterations];
System.out.println(gC_params.get(GlobalParameters.Name));
for (int i = 0; i < nr_runs; i++) {
ModelInterface lC_model = null;
if (gC_params.get(GlobalParameters.Name) == "sabc") {
lC_model = new s_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m1_abc") {
lC_model = new m1_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m2_abc") {
lC_model = new m2_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m3_abc") {
lC_model = new m3_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m4_abc") {
lC_model = new m4_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m5_abc") {
lC_model = new m5_abc(cur_fct, gC_params);
} else if (gC_params.get(GlobalParameters.Name) == "m6_abc") {
lC_model = new m6_abc(cur_fct, gC_params);
}
if (lC_model != null) {
double[] ld_best_it = run(lC_model, li_iterations, lda_bestvalue[i]);
values[i] = ld_best_it[0];
lia_iterations[i] = (int) ld_best_it[1];
System.out.print(".");
} else {
break;
}
}
/* calculate and print the mean, median, best, worsed, expected number of iterations
* for reaching the goal/optima from all the experiments
*/
System.out.print("\n[" + cur_fct.getName() + "]");
// printIterationStatistics(lia_iterations);
/* calculate mean for each cycle */
double[][] lda_offperformance = new double[li_iterations][2];
double[][] lda_globalbest = new double[li_iterations][2];
double ld_bestvaluesum = 0;
for (int i = 0; i < li_iterations; i++) {
/* calculate mean of best value in each iteration */
ld_bestvaluesum += lda_bestvalue[0][i];
System.out.println(lda_bestvalue[0][i]);
lda_offperformance[i][1] = (ld_bestvaluesum / (i + 1));
lda_offperformance[i][0] = i;
lda_globalbest[i][1] = lda_bestvalue[0][i];
lda_globalbest[i][0] = i;
}
double ld_mean = mean(values);
DataSetPlot lC_ptmp = new DataSetPlot(lda_offperformance);
PlotStyle lC_style = new PlotStyle(Style.LINES);
lC_ptmp.setPlotStyle(lC_style);
lC_ptmp.setTitle((String) gC_params.get(GlobalParameters.Name) + ":op");
gC_plot.addPlot(lC_ptmp);
DataSetPlot lC_btmp = new DataSetPlot(lda_globalbest);
// PlotStyle lC_bstyle = new PlotStyle(Style.LINES);
lC_btmp.setPlotStyle(lC_style);
lC_btmp.setTitle((String) gC_params.get(GlobalParameters.Name) + ":gbest");
gC_plot.addPlot(lC_btmp);
System.out.println(sc_fn.format(ld_mean) + " +/- " + sc_fn.format(sd(values, ld_mean)) + "\t");
}
