import com.stata.sfi.*;

public class HilbertMatrix {
    public static int run(String[] args) {
        int n, i, j;
        n = Integer.parseInt(args[1]);
        Matrix.createMatrix(args[0], n, n, 0.0);
        for (i = 0; i < n; i++) {
            for (j = 0; j < n; j++) {
                // Unlike Stata and the C API, indices are 0-based in the Java API.
                Matrix.storeMatrixAt(args[0], i, j, 1.0/(double)(i+j+1));
            }
        }
        return 0;
    }
}