def test_CompositionOperator_direct3(self):
ig = self.ig
data = self.data
G = GradientOperator(domain_geometry=ig)
Id1 = 2 * IdentityOperator(ig)
Id2 = IdentityOperator(ig)
d = CompositionOperator(G, Id2)
out1 = G.direct(data)
d_out = d.direct(data)
d1 = Id2.direct(data)
d2 = G.direct(d1)
numpy.testing.assert_array_almost_equal(
d2.get_item(0).as_array(),
d_out.get_item(0).as_array())
numpy.testing.assert_array_almost_equal(
d2.get_item(1).as_array(),
d_out.get_item(1).as_array())
G2Id = G.compose(2 * Id2)
d2g = G2Id.direct(data)
numpy.testing.assert_array_almost_equal(
d2g.get_item(0).as_array(), 2 * d_out.get_item(0).as_array())
numpy.testing.assert_array_almost_equal(
d2g.get_item(1).as_array(), 2 * d_out.get_item(1).as_array())
def test_CompositionOperator_adjoint6(self):
ig = self.ig
data = self.data
G = GradientOperator(domain_geometry=ig)
Id1 = 3 * IdentityOperator(ig)
Id = ZeroOperator(ig)
d = G.compose(Id)
da = d.direct(data)
out1 = G.adjoint(da)
out2 = d.adjoint(da)
numpy.testing.assert_array_almost_equal(out2.as_array(),
0 * out1.as_array())
