private double trial() {
Percolation perc = new Percolation(this.gridsize);
int x, y;
int i;
for (i = 0; i < this.gridsize * this.gridsize; i++) {
do {
x = StdRandom.uniform(this.gridsize) + 1;
y = StdRandom.uniform(this.gridsize) + 1;
} while (perc.isOpen(x, y));
perc.open(x, y);
if (perc.percolates()) {
return i / ((double) this.gridsize * this.gridsize);
}
}
throw new IndexOutOfBoundsException("Opened all sites, but no percolation (?!)");
}
