·value2 − value1 <= abs(intervalSize ∗ 10e^{−6}) y = f([x1, x2])

[y1, y2] = f(x) stepSize = (intervalSize − intervalSize ∗ 10e^{−6})/numSteps {1, 2, 5} · 10^{n} {1, 2, 3, 5} · 10^{n}