}
@Test
public void testOnSmileySurface() {
final double forward = FORWARD_CURVE.getForward(expiry5);
final VectorRootFinder testSolver = new BroydenVectorRootFinder(1.0e-6, 1.0e-6, 50000);
final double vol1 = STRIKE_VOLSURFACE.getVolatility(expiry5, 40);
final double vol2 = STRIKE_VOLSURFACE.getVolatility(expiry5, 41);
final DisplacedDiffusionModel logBlack = new DisplacedDiffusionModel(forward, expiry5, 40, vol1, 41, vol2, 0.26, 0.01, testSolver);
//TODO really - more magic numbers