public void testIntegratorControls() throws DerivativeException, IntegratorException {
TestProblem3 pb = new TestProblem3(0.999);
GraggBulirschStoerIntegrator integ =
new GraggBulirschStoerIntegrator(
0, pb.getFinalTime() - pb.getInitialTime(), 1.0e-8, 1.0e-10);
double errorWithDefaultSettings = getMaxError(integ, pb);
// stability control
integ.setStabilityCheck(true, 2, 1, 0.99);
assertTrue(errorWithDefaultSettings < getMaxError(integ, pb));
integ.setStabilityCheck(true, -1, -1, -1);
integ.setStepsizeControl(0.5, 0.99, 0.1, 2.5);
assertTrue(errorWithDefaultSettings < getMaxError(integ, pb));
integ.setStepsizeControl(-1, -1, -1, -1);
integ.setOrderControl(10, 0.7, 0.95);
assertTrue(errorWithDefaultSettings < getMaxError(integ, pb));
integ.setOrderControl(-1, -1, -1);
integ.setInterpolationControl(true, 3);
assertTrue(errorWithDefaultSettings < getMaxError(integ, pb));
integ.setInterpolationControl(true, -1);
}
