5#ifndef GKO_PUBLIC_CORE_REORDER_AMD_HPP_
6#define GKO_PUBLIC_CORE_REORDER_AMD_HPP_
11#include <ginkgo/core/base/abstract_factory.hpp>
12#include <ginkgo/core/base/lin_op.hpp>
13#include <ginkgo/core/base/polymorphic_object.hpp>
14#include <ginkgo/core/base/types.hpp>
15#include <ginkgo/core/matrix/permutation.hpp>
19namespace experimental {
35template <
typename IndexType =
int32>
43 using index_type = IndexType;
77 std::shared_ptr<const LinOp> system_matrix)
const;
83 explicit Amd(std::shared_ptr<const Executor> exec,
84 const parameters_type& params = {});
86 std::unique_ptr<LinOp> generate_impl(
87 std::shared_ptr<const LinOp> system_matrix)
const override;
89 parameters_type parameters_;
This mixin is used to enable a default PolymorphicObject::copy_from() implementation for objects that...
Definition polymorphic_object.hpp:723
This mixin inherits from (a subclass of) PolymorphicObject and provides a base implementation of a ne...
Definition polymorphic_object.hpp:662
A LinOpFactory represents a higher order mapping which transforms one linear operator into another.
Definition lin_op.hpp:385
The enable_parameters_type mixin is used to create a base implementation of the factory parameters st...
Definition abstract_factory.hpp:211
Computes a Approximate Minimum Degree (AMD) reordering of an input matrix.
Definition amd.hpp:37
static parameters_type build()
Creates a new parameter_type to set up the factory.
Definition amd.hpp:80
std::unique_ptr< permutation_type > generate(std::shared_ptr< const LinOp > system_matrix) const
const parameters_type & get_parameters()
Returns the parameters used to construct the factory.
Definition amd.hpp:67
Permutation is a matrix format that represents a permutation matrix, i.e.
Definition permutation.hpp:112
#define GKO_FACTORY_PARAMETER_SCALAR(_name, _default)
Creates a scalar factory parameter in the factory parameters structure.
Definition abstract_factory.hpp:445
The Reorder namespace.
Definition amd.hpp:25
The Ginkgo namespace.
Definition abstract_factory.hpp:20
bool skip_sorting
If set to false, sorts the input matrix before computing the AMD reordering.
Definition amd.hpp:59
bool skip_symmetrize
If set to false, computes the AMD reordering on A + A^T, otherwise assumes that A is symmetric and us...
Definition amd.hpp:52