5#ifndef GKO_PUBLIC_CORE_FACTORIZATION_PAR_ICT_HPP_
6#define GKO_PUBLIC_CORE_FACTORIZATION_PAR_ICT_HPP_
12#include <ginkgo/core/base/composition.hpp>
13#include <ginkgo/core/base/lin_op.hpp>
14#include <ginkgo/core/base/types.hpp>
15#include <ginkgo/core/config/config.hpp>
16#include <ginkgo/core/config/registry.hpp>
17#include <ginkgo/core/matrix/csr.hpp>
26namespace factorization {
69template <
typename ValueType = default_precision,
typename IndexType =
int32>
72 using value_type = ValueType;
73 using index_type = IndexType;
76 std::shared_ptr<const matrix_type> get_l_factor()
const
79 return std::static_pointer_cast<const matrix_type>(
83 std::shared_ptr<const matrix_type> get_lt_factor()
const
86 return std::static_pointer_cast<const matrix_type>(
92 template <
typename... Args>
93 static std::unique_ptr<Composition<ValueType>> create(Args&&... args) =
176 std::shared_ptr<typename matrix_type::strategy_type>
183 std::shared_ptr<typename matrix_type::strategy_type>
205 config::make_type_descriptor<ValueType, IndexType>());
209 std::shared_ptr<const LinOp> system_matrix)
211 parameters_{factory->get_parameters()}
214 parameters_.l_strategy =
215 std::make_shared<typename matrix_type::classical>();
218 parameters_.lt_strategy =
219 std::make_shared<typename matrix_type::classical>();
221 generate_l_lt(std::move(system_matrix))->move_to(
this);
236 std::unique_ptr<Composition<ValueType>> generate_l_lt(
237 const std::shared_ptr<const LinOp>& system_matrix)
const;
The Composition class can be used to compose linear operators op1, op2, ..., opn and obtain the opera...
Definition composition.hpp:41
const std::vector< std::shared_ptr< const LinOp > > & get_operators() const noexcept
Definition composition.hpp:54
std::shared_ptr< const Executor > get_executor() const noexcept
Returns the Executor of the object.
Definition polymorphic_object.hpp:235
pnode describes a tree of properties.
Definition property_tree.hpp:28
This class stores additional context for creating Ginkgo objects from configuration files.
Definition registry.hpp:168
This class describes the value and index types to be used when building a Ginkgo type from a configur...
Definition type_descriptor.hpp:37
Definition par_ict.hpp:186
ParICT is an incomplete threshold-based Cholesky factorization which is computed in parallel.
Definition par_ict.hpp:70
static parameters_type parse(const config::pnode &config, const config::registry &context, const config::type_descriptor &td_for_child=config::make_type_descriptor< ValueType, IndexType >())
Create the parameters from the property_tree.
CSR is a matrix format which stores only the nonzero coefficients by compressing each row of the matr...
Definition sparsity_csr.hpp:22
#define GKO_CREATE_FACTORY_PARAMETERS(_parameters_name, _factory_name)
This Macro will generate a new type containing the parameters for the factory _factory_name.
Definition abstract_factory.hpp:280
#define GKO_FACTORY_PARAMETER_SCALAR(_name, _default)
Creates a scalar factory parameter in the factory parameters structure.
Definition abstract_factory.hpp:445
#define GKO_ENABLE_BUILD_METHOD(_factory_name)
Defines a build method for the factory, simplifying its construction by removing the repetitive typin...
Definition abstract_factory.hpp:394
#define GKO_ENABLE_LIN_OP_FACTORY(_lin_op, _parameters_name, _factory_name)
This macro will generate a default implementation of a LinOpFactory for the LinOp subclass it is defi...
Definition lin_op.hpp:1018
The Ginkgo namespace.
Definition abstract_factory.hpp:20
std::size_t size_type
Integral type used for allocation quantities.
Definition types.hpp:86
Definition par_ict.hpp:97
std::shared_ptr< typename matrix_type::strategy_type > l_strategy
Strategy which will be used by the L matrix.
Definition par_ict.hpp:177
std::shared_ptr< typename matrix_type::strategy_type > lt_strategy
Strategy which will be used by the L^T matrix.
Definition par_ict.hpp:184