key0 = -2. + 11. / (nKeys - 1) * i;
}
key0 = -2.;
for (int i = 1; i < nKeys; ++i) {
final double key = -2. + 12. / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).getData()[1] - function.evaluate(resultPos, key0).getData()[1] <= 0.);
// System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
key0 = -2. + 11. / (nKeys - 1) * i;
}
}