5#ifndef GKO_PUBLIC_CORE_MATRIX_BATCH_ELL_HPP_
6#define GKO_PUBLIC_CORE_MATRIX_BATCH_ELL_HPP_
9#include <initializer_list>
13#include <ginkgo/core/base/array.hpp>
14#include <ginkgo/core/base/batch_lin_op.hpp>
15#include <ginkgo/core/base/batch_multi_vector.hpp>
16#include <ginkgo/core/base/executor.hpp>
17#include <ginkgo/core/base/mtx_io.hpp>
18#include <ginkgo/core/base/range_accessors.hpp>
19#include <ginkgo/core/base/types.hpp>
20#include <ginkgo/core/base/utils.hpp>
21#include <ginkgo/core/base/utils_helper.hpp>
22#include <ginkgo/core/matrix/ell.hpp>
52template <
typename ValueType = default_precision,
typename IndexType =
int32>
55 public ConvertibleTo<Ell<next_precision<ValueType>, IndexType>> {
59 static_assert(std::is_same<IndexType, int32>::value,
60 "IndexType must be a 32 bit integer");
66 using value_type = ValueType;
67 using index_type = IndexType;
141 return num_elems_per_row_;
176 GKO_ASSERT(batch_id < this->get_num_batch_items());
190 GKO_ASSERT(batch_id < this->get_num_batch_items());
204 GKO_ASSERT(batch_id < this->get_num_batch_items());
219 GKO_ASSERT(batch_id < this->get_num_batch_items());
234 std::shared_ptr<const Executor> exec,
236 const IndexType num_elems_per_row = 0);
254 static std::unique_ptr<Ell>
create(std::shared_ptr<const Executor> exec,
256 const IndexType num_elems_per_row,
265 template <
typename InputValueType,
typename ColIndexType>
267 "explicitly construct the gko::array arguments instead of passing "
271 const IndexType num_elems_per_row,
272 std::initializer_list<InputValueType> values,
273 std::initializer_list<ColIndexType> col_idxs)
275 return create(exec, size, num_elems_per_row,
297 std::shared_ptr<const Executor> exec,
const batch_dim<2>& sizes,
298 const index_type num_elems_per_row,
299 gko::detail::const_array_view<value_type>&& values,
300 gko::detail::const_array_view<index_type>&& col_idxs);
367 IndexType num_elems_per_row)
373 Ell(std::shared_ptr<const Executor> exec,
375 const IndexType num_elems_per_row = 0);
377 Ell(std::shared_ptr<const Executor> exec,
const batch_dim<2>& size,
389 index_type num_elems_per_row_;
ConvertibleTo interface is used to mark that the implementer can be converted to the object of Result...
Definition polymorphic_object.hpp:471
This mixin inherits from (a subclass of) PolymorphicObject and provides a base implementation of a ne...
Definition polymorphic_object.hpp:663
The first step in using the Ginkgo library consists of creating an executor.
Definition executor.hpp:616
An array is a container which encapsulates fixed-sized arrays, stored on the Executor tied to the arr...
Definition logger.hpp:25
value_type * get_data() noexcept
Returns a pointer to the block of memory used to store the elements of the array.
Definition array.hpp:674
const value_type * get_const_data() const noexcept
Returns a constant pointer to the block of memory used to store the elements of the array.
Definition array.hpp:683
size_type get_size() const noexcept
Returns the number of elements in the array.
Definition array.hpp:657
Definition batch_lin_op.hpp:60
The EnableBatchLinOp mixin can be used to provide sensible default implementations of the majority of...
Definition batch_lin_op.hpp:253
MultiVector stores multiple vectors in a batched fashion and is useful for batched operations.
Definition logger.hpp:41
Ell is a sparse matrix format that stores the same number of nonzeros in each row,...
Definition batch_ell.hpp:55
const Ell * apply(ptr_param< const MultiVector< value_type > > b, ptr_param< MultiVector< value_type > > x) const
const index_type * get_const_col_idxs_for_item(size_type batch_id) const noexcept
Returns a pointer to the array of col_idxs of the matrix.
Definition batch_ell.hpp:187
static std::unique_ptr< const Ell > create_const(std::shared_ptr< const Executor > exec, const batch_dim< 2 > &sizes, const index_type num_elems_per_row, gko::detail::const_array_view< value_type > &&values, gko::detail::const_array_view< index_type > &&col_idxs)
Creates a constant (immutable) batch ell matrix from a constant array.
index_type get_num_stored_elements_per_row() const noexcept
Returns the number of elements per row explicitly stored.
Definition batch_ell.hpp:139
value_type * get_values() noexcept
Returns a pointer to the array of values of the matrix.
Definition batch_ell.hpp:100
Ell * apply(ptr_param< const MultiVector< value_type > > b, ptr_param< MultiVector< value_type > > x)
Apply the matrix to a multi-vector.
const index_type * get_const_col_idxs() const noexcept
Returns a pointer to the array of column indices of the matrix.
Definition batch_ell.hpp:128
static std::unique_ptr< Ell > create(std::shared_ptr< const Executor > exec, const batch_dim< 2 > &size, const IndexType num_elems_per_row, array< value_type > values, array< index_type > col_idxs)
Creates a Ell matrix from an already allocated (and initialized) array.
size_type get_num_elements_per_item() const noexcept
Returns the number of stored elements in each batch item.
Definition batch_ell.hpp:161
const Ell * apply(ptr_param< const MultiVector< value_type > > alpha, ptr_param< const MultiVector< value_type > > b, ptr_param< const MultiVector< value_type > > beta, ptr_param< MultiVector< value_type > > x) const
const value_type * get_const_values() const noexcept
Returns a pointer to the array of values of the matrix.
Definition batch_ell.hpp:109
std::unique_ptr< const unbatch_type > create_const_view_for_item(size_type item_id) const
Creates a mutable view (of matrix::Ell type) of one item of the batch::matrix::Ell<value_type> object...
size_type get_num_stored_elements() const noexcept
Returns the number of elements explicitly stored in the batch matrix, cumulative across all the batch...
Definition batch_ell.hpp:151
void add_scaled_identity(ptr_param< const MultiVector< value_type > > alpha, ptr_param< const MultiVector< value_type > > beta)
Performs the operation this = alpha*I + beta*this.
Ell * apply(ptr_param< const MultiVector< value_type > > alpha, ptr_param< const MultiVector< value_type > > b, ptr_param< const MultiVector< value_type > > beta, ptr_param< MultiVector< value_type > > x)
Apply the matrix to a multi-vector with a linear combination of the given input vector.
std::unique_ptr< unbatch_type > create_view_for_item(size_type item_id)
Creates a mutable view (of matrix::Ell type) of one item of the batch::matrix::Ell<value_type> object...
static std::unique_ptr< Ell > create(std::shared_ptr< const Executor > exec, const batch_dim< 2 > &size=batch_dim< 2 >{}, const IndexType num_elems_per_row=0)
Creates an uninitialized Ell matrix of the specified size.
index_type * get_col_idxs() noexcept
Returns a pointer to the array of column indices of the matrix.
Definition batch_ell.hpp:119
index_type * get_col_idxs_for_item(size_type batch_id) noexcept
Returns a pointer to the array of col_idxs of the matrix.
Definition batch_ell.hpp:174
const value_type * get_const_values_for_item(size_type batch_id) const noexcept
Returns a pointer to the array of values of the matrix for a specific batch item.
Definition batch_ell.hpp:216
void scale(const array< value_type > &row_scale, const array< value_type > &col_scale)
Performs in-place row and column scaling for this matrix.
value_type * get_values_for_item(size_type batch_id) noexcept
Returns a pointer to the array of values of the matrix for a specific batch item.
Definition batch_ell.hpp:202
ELL is a matrix format where stride with explicit zeros is used such that all rows have the same numb...
Definition ell.hpp:60
This class is used for function parameters in the place of raw pointers.
Definition utils_helper.hpp:43
The Ginkgo namespace.
Definition abstract_factory.hpp:20
typename detail::remove_complex_s< T >::type remove_complex
Obtain the type which removed the complex of complex/scalar type or the template parameter of class b...
Definition math.hpp:326
typename detail::next_precision_impl< T >::type next_precision
Obtains the next type in the singly-linked precision list.
Definition math.hpp:462
typename detail::to_complex_s< T >::type to_complex
Obtain the type which adds the complex of complex/scalar type or the template parameter of class by a...
Definition math.hpp:345
std::size_t size_type
Integral type used for allocation quantities.
Definition types.hpp:86
A type representing the dimensions of a multidimensional batch object.
Definition batch_dim.hpp:28
dim< dimensionality, dimension_type > get_common_size() const
Get the common size of the batch items.
Definition batch_dim.hpp:44
size_type get_num_batch_items() const
Get the number of batch items stored.
Definition batch_dim.hpp:37