Ejemplo n.º 1
0
def test_linear_adjoint():
    A = np.random.rand(4, 3)
    x = np.random.rand(4)
    out = np.random.rand(3)

    Aop = MatVecOperator(A)
    xvec = Aop.range.element(x)
    outvec = Aop.domain.element()

    # Using inplace adjoint
    Aop.adjoint(xvec, outvec)
    np.dot(A.T, x, out)
    assert all_almost_equal(out, outvec)

    # Using out of place method
    assert all_almost_equal(Aop.adjoint(xvec), np.dot(A.T, x))
Ejemplo n.º 2
0
def test_linear_adjoint():
    A = np.random.rand(4, 3)
    x = np.random.rand(4)
    out = np.random.rand(3)

    Aop = MatVecOperator(A)
    xvec = Aop.range.element(x)
    outvec = Aop.domain.element()

    # Using inplace adjoint
    Aop.adjoint(xvec, outvec)
    np.dot(A.T, x, out)
    assert all_almost_equal(out, outvec)

    # Using out of place method
    assert all_almost_equal(Aop.adjoint(xvec), np.dot(A.T, x))
Ejemplo n.º 3
0
def test_type_errors():
    r3 = odl.Rn(3)
    r4 = odl.Rn(4)

    Aop = MatVecOperator(np.random.rand(3, 3))
    r3Vec1 = r3.zero()
    r3Vec2 = r3.zero()
    r4Vec1 = r4.zero()
    r4Vec2 = r4.zero()

    # Verify that correct usage works
    Aop(r3Vec1, r3Vec2)
    Aop.adjoint(r3Vec1, r3Vec2)

    # Test that erroneous usage raises TypeError
    with pytest.raises(OpDomainError):
        Aop(r4Vec1)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1)

    with pytest.raises(OpRangeError):
        Aop(r3Vec1, r4Vec1)

    with pytest.raises(OpRangeError):
        Aop.adjoint(r3Vec1, r4Vec1)

    with pytest.raises(OpDomainError):
        Aop(r4Vec1, r3Vec1)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1, r3Vec1)

    with pytest.raises(OpDomainError):
        Aop(r4Vec1, r4Vec2)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1, r4Vec2)
Ejemplo n.º 4
0
def test_type_errors():
    r3 = odl.Rn(3)
    r4 = odl.Rn(4)

    Aop = MatVecOperator(np.random.rand(3, 3))
    r3Vec1 = r3.zero()
    r3Vec2 = r3.zero()
    r4Vec1 = r4.zero()
    r4Vec2 = r4.zero()

    # Verify that correct usage works
    Aop(r3Vec1, r3Vec2)
    Aop.adjoint(r3Vec1, r3Vec2)

    # Test that erroneous usage raises TypeError
    with pytest.raises(OpDomainError):
        Aop(r4Vec1)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1)

    with pytest.raises(OpRangeError):
        Aop(r3Vec1, r4Vec1)

    with pytest.raises(OpRangeError):
        Aop.adjoint(r3Vec1, r4Vec1)

    with pytest.raises(OpDomainError):
        Aop(r4Vec1, r3Vec1)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1, r3Vec1)

    with pytest.raises(OpDomainError):
        Aop(r4Vec1, r4Vec2)

    with pytest.raises(OpDomainError):
        Aop.adjoint(r4Vec1, r4Vec2)