def _product(thetas: ThetaType, operators: (array_of(DelayedLinearSolver),
list_of(DelayedLinearSolver)),
thetas2: None):
output = None
assert len(thetas) == len(operators)
for (theta, operator) in zip(thetas, operators):
assert isinstance(operator._rhs,
(AbstractParametrizedTensorFactory, DelayedProduct))
if isinstance(operator._rhs, AbstractParametrizedTensorFactory):
rhs = DelayedProduct(theta)
rhs *= operator._rhs
elif isinstance(operator._rhs, DelayedProduct):
assert len(operator._rhs._args) is 3
assert operator._rhs._args[0] == -1
assert isinstance(operator._rhs._args[1],
AbstractParametrizedTensorFactory)
rhs = DelayedProduct(theta * operator._rhs._args[0])
rhs *= operator._rhs._args[1]
rhs *= operator._rhs._args[2]
else:
raise TypeError("Invalid rhs")
if output is None:
output = DelayedLinearSolver(operator._lhs, operator._solution,
DelayedSum(rhs), operator._bcs)
output.set_parameters(output._parameters)
else:
assert output._lhs is operator._lhs
assert output._solution is operator._solution
output._rhs += rhs
assert output._bcs is operator._bcs
assert output._parameters is operator._parameters
output = output.solve()
return ProductOutput(output)
def solve(self, rhs: object):
problem = self.problem
args = (problem._riesz_solve_inner_product,
problem._riesz_solve_storage, rhs,
problem._riesz_solve_homogeneous_dirichlet_bc)
if not self.delay:
solver = LinearSolver(*args)
solver.set_parameters(problem._linear_solver_parameters)
return solver.solve()
else:
solver = DelayedLinearSolver(*args)
solver.set_parameters(problem._linear_solver_parameters)
return solver
def load(self, directory, filename):
if self._type != "empty": # avoid loading multiple times
if self._type in ("basis_functions_matrix", "functions_list"):
delayed_functions = self._content[self._type]
it = NonAffineExpansionStorageContent_Iterator(
delayed_functions,
flags=["c_index", "multi_index", "refs_ok"],
op_flags=["readonly"])
while not it.finished:
if isinstance(delayed_functions[it.multi_index],
DelayedFunctionsList):
assert self._type == "functions_list"
if len(
delayed_functions[it.multi_index]
) > 0: # ... unless it is an empty FunctionsList
return False
elif isinstance(delayed_functions[it.multi_index],
DelayedBasisFunctionsMatrix):
assert self._type == "basis_functions_matrix"
if sum(
delayed_functions[it.multi_index].
_component_name_to_basis_component_length.
values()
) > 0: # ... unless it is an empty BasisFunctionsMatrix
return False
else:
raise TypeError("Invalid delayed functions")
it.iternext()
else:
return False
# Get full directory name
full_directory = Folders.Folder(os.path.join(str(directory), filename))
# Detect trivial case
assert TypeIO.exists_file(full_directory, "type")
imported_type = TypeIO.load_file(full_directory, "type")
self._type = imported_type
assert self._type in ("basis_functions_matrix", "empty",
"error_estimation_operators_11",
"error_estimation_operators_21",
"error_estimation_operators_22",
"functions_list", "operators")
if self._type in ("basis_functions_matrix", "functions_list"):
# Load delayed functions
assert self._type in self._content
delayed_functions = self._content[self._type]
it = NonAffineExpansionStorageContent_Iterator(
delayed_functions, flags=["c_index", "multi_index", "refs_ok"])
while not it.finished:
delayed_function = delayed_functions[it.multi_index]
delayed_function.load(full_directory,
"delayed_functions_" + str(it.index))
it.iternext()
elif self._type == "empty":
pass
elif self._type in ("error_estimation_operators_11",
"error_estimation_operators_21",
"error_estimation_operators_22"):
# Load delayed functions
assert "delayed_functions" not in self._content
self._content["delayed_functions"] = [
NonAffineExpansionStorageContent_Base(self._shape[0],
dtype=object),
NonAffineExpansionStorageContent_Base(self._shape[1],
dtype=object)
]
for (index, delayed_functions) in enumerate(
self._content["delayed_functions"]):
it = NonAffineExpansionStorageContent_Iterator(
delayed_functions, flags=["c_index", "refs_ok"])
while not it.finished:
assert DelayedFunctionsTypeIO.exists_file(
full_directory, "delayed_functions_" + str(index) +
"_" + str(it.index) + "_type")
delayed_function_type = DelayedFunctionsTypeIO.load_file(
full_directory, "delayed_functions_" + str(index) +
"_" + str(it.index) + "_type")
assert DelayedFunctionsProblemNameIO.exists_file(
full_directory, "delayed_functions_" + str(index) +
"_" + str(it.index) + "_problem_name")
delayed_function_problem_name = DelayedFunctionsProblemNameIO.load_file(
full_directory, "delayed_functions_" + str(index) +
"_" + str(it.index) + "_problem_name")
delayed_function_problem = get_problem_from_problem_name(
delayed_function_problem_name)
assert delayed_function_type in (
"DelayedBasisFunctionsMatrix", "DelayedLinearSolver")
if delayed_function_type == "DelayedBasisFunctionsMatrix":
delayed_function = DelayedBasisFunctionsMatrix(
delayed_function_problem.V)
delayed_function.init(
delayed_function_problem.components)
elif delayed_function_type == "DelayedLinearSolver":
delayed_function = DelayedLinearSolver()
else:
raise ValueError("Invalid delayed function")
delayed_function.load(
full_directory, "delayed_functions_" + str(index) +
"_" + str(it.index) + "_content")
delayed_functions[it.index] = delayed_function
it.iternext()
# Load inner product
assert ErrorEstimationInnerProductIO.exists_file(
full_directory, "inner_product_matrix_problem_name")
inner_product_matrix_problem_name = ErrorEstimationInnerProductIO.load_file(
full_directory, "inner_product_matrix_problem_name")
inner_product_matrix_problem = get_problem_from_problem_name(
inner_product_matrix_problem_name)
inner_product_matrix_reduced_problem = get_reduced_problem_from_problem(
inner_product_matrix_problem)
self._content[
"inner_product_matrix"] = inner_product_matrix_reduced_problem._error_estimation_inner_product
# Recompute shape
assert "delayed_functions_shape" not in self._content
self._content["delayed_functions_shape"] = DelayedTransposeShape(
(self._content["delayed_functions"][0][0],
self._content["delayed_functions"][1][0]))
# Prepare precomputed slices
self._precomputed_slices.clear()
self._prepare_trivial_precomputed_slice()
elif self._type == "empty":
pass
elif self._type == "operators":
# Load truth content
assert "truth_operators" not in self._content
self._content[
"truth_operators"] = NonAffineExpansionStorageContent_Base(
self._shape, dtype=object)
it = NonAffineExpansionStorageContent_Iterator(
self._content["truth_operators"],
flags=["c_index", "multi_index", "refs_ok"])
while not it.finished:
assert TruthContentItemIO.exists_file(
full_directory,
"truth_operator_" + str(it.index) + "_type")
operator_type = TruthContentItemIO.load_file(
full_directory,
"truth_operator_" + str(it.index) + "_type")
assert operator_type in ("NumericForm",
"ParametrizedTensorFactory")
if operator_type == "NumericForm":
assert TruthContentItemIO.exists_file(
full_directory, "truth_operator_" + str(it.index))
value = TruthContentItemIO.load_file(
full_directory, "truth_operator_" + str(it.index))
self._content["truth_operators"][
it.multi_index] = NumericForm(value)
elif operator_type == "ParametrizedTensorFactory":
assert TruthContentItemIO.exists_file(
full_directory, "truth_operator_" + str(it.index))
(problem_name, term, index) = TruthContentItemIO.load_file(
full_directory, "truth_operator_" + str(it.index))
truth_problem = get_problem_from_problem_name(problem_name)
self._content["truth_operators"][
it.multi_index] = truth_problem.operator[term][index]
else:
raise ValueError("Invalid operator type")
it.iternext()
assert "truth_operators_as_expansion_storage" not in self._content
self._prepare_truth_operators_as_expansion_storage()
# Load basis functions content
assert BasisFunctionsContentLengthIO.exists_file(
full_directory, "basis_functions_length")
basis_functions_length = BasisFunctionsContentLengthIO.load_file(
full_directory, "basis_functions_length")
assert basis_functions_length in (0, 1, 2)
assert "basis_functions" not in self._content
self._content["basis_functions"] = list()
for index in range(basis_functions_length):
assert BasisFunctionsProblemNameIO.exists_file(
full_directory,
"basis_functions_" + str(index) + "_problem_name")
basis_functions_problem_name = BasisFunctionsProblemNameIO.load_file(
full_directory,
"basis_functions_" + str(index) + "_problem_name")
assert BasisFunctionsProblemNameIO.exists_file(
full_directory,
"basis_functions_" + str(index) + "_components_name")
basis_functions_components_name = BasisFunctionsProblemNameIO.load_file(
full_directory,
"basis_functions_" + str(index) + "_components_name")
basis_functions_problem = get_problem_from_problem_name(
basis_functions_problem_name)
basis_functions_reduced_problem = get_reduced_problem_from_problem(
basis_functions_problem)
basis_functions = basis_functions_reduced_problem.basis_functions
if basis_functions_components_name != basis_functions_problem.components:
basis_functions = basis_functions[
basis_functions_components_name]
self._content["basis_functions"].append(basis_functions)
# Recompute shape
self._content["basis_functions_shape"] = DelayedTransposeShape(
self._content["basis_functions"])
# Reset precomputed slices
self._precomputed_slices.clear()
self._prepare_trivial_precomputed_slice()
else:
raise ValueError("Invalid type")
return True