def _do_problem(self, problem, integrator, method='adams'):

        # ode has callback arguments in different order than odeint
        f = lambda t, z: problem.f(z, t)
        jac = None
        if hasattr(problem, 'jac'):
            jac = lambda t, z: problem.jac(z, t)

        integrator_params = {}
        if problem.lband is not None or problem.uband is not None:
            integrator_params['uband'] = problem.uband
            integrator_params['lband'] = problem.lband

        ig = self.ode_class(f, jac)
        ig.set_integrator(integrator,
                          atol=problem.atol/10,
                          rtol=problem.rtol/10,
                          method=method,
                          **integrator_params)

        ig.set_initial_value(problem.z0, t=0.0)
        z = ig.integrate(problem.stop_t)

        assert_array_equal(z, ig.y)
        assert_(ig.successful(), (problem, method))
        assert_(problem.verify(array([z]), problem.stop_t), (problem, method))
dataset/ETHPy150Open scipy/scipy/scipy/integrate/tests/test_integrate.py/TestODEClass._do_problem/original