Method main

java/src/main/java/ija/Main.java:33–65

(String[] args)

    };

    public static void main(String[] args) {
        int dim     = 30;
        int n       = 50;
        int maxIter = 500;

        System.out.printf("%-14s  %16s  %12s  %10s%n",
                          "Function", "Best Fitness", "NFev", "Time (ms)");
        System.out.println("-".repeat(58));

        for (int fid = 0; fid < BenchmarkFunctions.NAMES.length; fid++) {
            final int id  = fid;
            final double lb = BOUNDS[fid][0];
            final double ub = BOUNDS[fid][1];

            Function<double[], Double> objective = x -> BenchmarkFunctions.evaluate(id, x);

            IJA solver = new IJA.Builder()
                .n(n)
                .maxIter(maxIter)
                .seed(42L)
                .build();

            long t0     = System.currentTimeMillis();
            OptimizeResult result = solver.optimize(objective, dim, lb, ub);
            long elapsed = System.currentTimeMillis() - t0;

            System.out.printf("%-14s  %16.6e  %12d  %10d%n",
                              BenchmarkFunctions.NAMES[fid],
                              result.bestFitness,
                              result.nFunctionEvals,
                              elapsed);
        }
    }
}