Exemplo n.º 1
0
def test_pointwise_inner_adjoint_weighted():
    # Weighted product space only
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 3, weighting=[2, 4, 6])
    array = np.array([[[-1 - 1j, -3], [2, 2j]], [[-1j, 0], [0, 1]],
                      [[-1, 1 + 2j], [1, 1]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2], [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array  # same as unweighted case

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj, true_inner_adj)

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj)

    # Using different weighting in the inner product
    pwinner = PointwiseInner(vfspace, vecfield=array, weighting=[4, 8, 12])

    testarr = np.array([[1 + 1j, 2], [3, 4 - 2j]])

    true_inner_adj = 2 * testarr[None, :, :] * array  # w / v = (2, 2, 2)

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj, true_inner_adj)

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj)
Exemplo n.º 2
0
def test_pointwise_inner_adjoint():
    # 1d
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 1)
    array = np.array([[[-1, -3],
                       [2, 0]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([1, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([1, -1]))

    # 3d
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 3)
    array = np.array([[[-1 - 1j, -3],
                       [2, 2j]],
                      [[-1j, 0],
                       [0, 1]],
                      [[-1, 1 + 2j],
                       [1, 1]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([3, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([3, -1]))
Exemplo n.º 3
0
def test_pointwise_inner_adjoint():
    # 1d
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 1)
    array = np.array([[[-1, -3],
                       [2, 0]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([1, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([1, -1]))

    # 3d
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 3)
    array = np.array([[[-1 - 1j, -3],
                       [2, 2j]],
                      [[-1j, 0],
                       [0, 1]],
                      [[-1, 1 + 2j],
                       [1, 1]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([3, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([3, -1]))
Exemplo n.º 4
0
def test_pointwise_inner_adjoint_weighted():
    # Weighted product space only
    fspace = odl.uniform_discr([0, 0], [1, 1], (2, 2), dtype=complex)
    vfspace = ProductSpace(fspace, 3, weighting=[2, 4, 6])
    array = np.array([[[-1 - 1j, -3],
                       [2, 2j]],
                      [[-1j, 0],
                       [0, 1]],
                      [[-1, 1 + 2j],
                       [1, 1]]])
    pwinner = PointwiseInner(vfspace, vecfield=array)

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = testarr[None, :, :] * array  # same as unweighted case

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([3, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([3, -1]))

    # Using different weighting in the inner product
    pwinner = PointwiseInner(vfspace, vecfield=array, weighting=[4, 8, 12])

    testarr = np.array([[1 + 1j, 2],
                        [3, 4 - 2j]])

    true_inner_adj = 2 * testarr[None, :, :] * array  # w / v = (2, 2, 2)

    testfunc = fspace.element(testarr)
    testfunc_pwinner_adj = pwinner.adjoint(testfunc)
    assert all_almost_equal(testfunc_pwinner_adj,
                            true_inner_adj.reshape([3, -1]))

    out = vfspace.element()
    pwinner.adjoint(testfunc, out=out)
    assert all_almost_equal(out, true_inner_adj.reshape([3, -1]))