5#ifndef GKO_PUBLIC_CORE_MATRIX_IDENTITY_HPP_
6#define GKO_PUBLIC_CORE_MATRIX_IDENTITY_HPP_
9#include <ginkgo/core/base/lin_op.hpp>
34template <
typename ValueType = default_precision>
42 using value_type = ValueType;
54 GKO_DEPRECATED(
"use the version taking a size_type instead of dim<2>")
69 void apply_impl(const
LinOp* b,
LinOp* x) const override;
72 LinOp* x) const override;
94 using value_type = ValueType;
103 static std::unique_ptr<IdentityFactory>
create(
104 std::shared_ptr<const Executor> exec)
106 return std::unique_ptr<IdentityFactory>(
111 std::unique_ptr<LinOp> generate_impl(
112 std::shared_ptr<const LinOp> base)
const override;
The EnableLinOp mixin can be used to provide sensible default implementations of the majority of the ...
Definition lin_op.hpp:879
This mixin inherits from (a subclass of) PolymorphicObject and provides a base implementation of a ne...
Definition polymorphic_object.hpp:662
The first step in using the Ginkgo library consists of creating an executor.
Definition executor.hpp:615
A LinOpFactory represents a higher order mapping which transforms one linear operator into another.
Definition lin_op.hpp:385
Definition lin_op.hpp:117
Linear operators which support transposition should implement the Transposable interface.
Definition lin_op.hpp:433
This factory is a utility which can be used to generate Identity operators.
Definition identity.hpp:90
static std::unique_ptr< IdentityFactory > create(std::shared_ptr< const Executor > exec)
Creates a new Identity factory.
Definition identity.hpp:103
This class is a utility which efficiently implements the identity matrix (a linear operator which map...
Definition identity.hpp:35
static std::unique_ptr< Identity > create(std::shared_ptr< const Executor > exec, dim< 2 > size)
Creates an Identity matrix of the specified size.
std::unique_ptr< LinOp > conj_transpose() const override
Returns a LinOp representing the conjugate transpose of the Transposable object.
std::unique_ptr< LinOp > transpose() const override
Returns a LinOp representing the transpose of the Transposable object.
The Ginkgo namespace.
Definition abstract_factory.hpp:20
double default_precision
Precision used if no precision is explicitly specified.
Definition types.hpp:171
std::size_t size_type
Integral type used for allocation quantities.
Definition types.hpp:89
A type representing the dimensions of a multidimensional object.
Definition dim.hpp:26