This is a test of \(a\ne0\) and \(\int_a^b e^{x^2}\,dx\) and \[(Pu)(z)= \int_\Omega K(z,w)u(w)\ dw\wedge d\bar w.\] Also testing \(\int_{-\infty}^\infty \frac{\cos x}{x^2+1}\ dx\) and \[\int_{-\infty}^\infty \frac{\cos x}{x^2+1}\ dx.\]