def _inverse_linear_operator(linop):
return linear_operator_inversion.LinearOperatorInversion(
linop,
is_non_singular=linop.is_non_singular,
is_self_adjoint=linop.is_self_adjoint,
is_positive_definite=linop.is_positive_definite,
is_square=linop.is_square)
def _solve_linear_operator(linop_a, linop_b):
"""Generic solve of two `LinearOperator`s."""
is_square = registrations_util.is_square(linop_a, linop_b)
is_non_singular = None
is_self_adjoint = None
is_positive_definite = None
if is_square:
is_non_singular = registrations_util.combined_non_singular_hint(
linop_a, linop_b)
elif is_square is False: # pylint:disable=g-bool-id-comparison
is_non_singular = False
is_self_adjoint = False
is_positive_definite = False
return linear_operator_composition.LinearOperatorComposition(
operators=[
linear_operator_inversion.LinearOperatorInversion(linop_a), linop_b
],
is_non_singular=is_non_singular,
is_self_adjoint=is_self_adjoint,
is_positive_definite=is_positive_definite,
is_square=is_square,
)