def test_ufunc_and_dufunc_calls(self):
        '''
        Verify that ufunc and DUFunc calls are being properly included in
        array expressions.
        '''
        A = np.random.random(10)
        B = np.random.random(10)
        arg_tys = [typeof(arg) for arg in (A, B)]

        vaxy_descr = vaxy._dispatcher.targetdescr
        control_pipeline = RewritesTester.mk_no_rw_pipeline(
            arg_tys,
            typing_context=vaxy_descr.typing_context,
            target_context=vaxy_descr.target_context)
        cres_0 = control_pipeline.compile_extra(call_stuff)
        nb_call_stuff_0 = cres_0.entry_point

        test_pipeline = RewritesTester.mk_pipeline(
            arg_tys,
            typing_context=vaxy_descr.typing_context,
            target_context=vaxy_descr.target_context)
        cres_1 = test_pipeline.compile_extra(call_stuff)
        nb_call_stuff_1 = cres_1.entry_point

        expected = call_stuff(A, B)
        control = nb_call_stuff_0(A, B)
        actual = nb_call_stuff_1(A, B)
        np.testing.assert_array_almost_equal(expected, control)
        np.testing.assert_array_almost_equal(expected, actual)

        self._assert_total_rewrite(control_pipeline.state.func_ir.blocks,
                                   test_pipeline.state.func_ir.blocks)

        Verify that ufunc and DUFunc calls are being properly included in
        array expressions.
        
numba/tests/test_array_exprs.py