35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATTRANSPOSER_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATTRANSPOSER_H_
70 class SMatTransposer :
public SparseMatrix< SMatTransposer<MT,SO>, SO >
150 template<
typename Other >
167 template<
typename Other >
183 return sm_.columns();
221 return sm_.insert( j, i, value );
236 sm_.reserve( nonzeros );
254 inline void reserve(
size_t i,
size_t nonzeros ) {
255 sm_.reserve( i, nonzeros );
287 sm_.append( j, i, value, check );
315 template<
typename Other >
318 return sm_.canAlias( alias );
328 template<
typename Other >
331 return sm_.isAliased( alias );
346 template<
typename MT2 >
357 const size_t m(
rows() );
359 for(
size_t i=0UL; i<m; ++i ) {
360 for( RhsIterator element=(~rhs).
begin(i); element!=(~rhs).
end(i); ++element )
361 sm_.append( element->index(), i, element->value() );
378 template<
typename MT2 >
389 const size_t m(
rows() );
393 std::vector<size_t> rowLengths( m, 0UL );
394 for(
size_t j=0UL; j<n; ++j ) {
395 for( RhsIterator element=(~rhs).
begin(j); element!=(~rhs).
end(j); ++element )
396 ++rowLengths[element->index()];
400 for(
size_t i=0UL; i<m; ++i ) {
401 sm_.reserve( i, rowLengths[i] );
405 for(
size_t j=0UL; j<n; ++j ) {
406 for( RhsIterator element=(~rhs).
begin(j); element!=(~rhs).
end(j); ++element ) {
407 sm_.append( j, element->index(), element->value() );
444 template<
typename MT >
513 inline size_t rows()
const {
514 return sm_.columns();
523 inline size_t columns()
const {
533 inline void reset() {
552 return sm_.insert( j, i, value );
566 inline void reserve(
size_t nonzeros ) {
567 sm_.reserve( nonzeros );
582 inline void reserve(
size_t i,
size_t nonzeros ) {
583 sm_.reserve( i, nonzeros );
615 sm_.append( j, i, value, check );
643 template<
typename Other >
644 inline bool isAliased(
const Other* alias )
const
646 return sm_.isAliased( alias );
661 template<
typename MT2 >
662 inline void assign(
const SparseMatrix<MT2,false>& rhs )
672 const size_t m(
rows() );
676 std::vector<size_t> columnLengths( n, 0UL );
677 for(
size_t i=0UL; i<m; ++i ) {
678 for( RhsIterator element=(~rhs).
begin(i); element!=(~rhs).
end(i); ++element )
679 ++columnLengths[element->index()];
683 for(
size_t j=0UL; j<n; ++j ) {
684 sm_.reserve( j, columnLengths[j] );
688 for(
size_t i=0UL; i<m; ++i ) {
689 for( RhsIterator element=(~rhs).
begin(i); element!=(~rhs).
end(i); ++element ) {
690 sm_.append( element->index(), i, element->value() );
707 template<
typename MT2 >
708 inline void assign(
const SparseMatrix<MT2,true>& rhs )
720 for(
size_t j=0UL; j<n; ++j ) {
721 for( RhsIterator element=(~rhs).
begin(j); element!=(~rhs).
end(j); ++element )
722 sm_.append( j, element->index(), element->value() );
760 template<
typename MT
762 inline void reset( SMatTransposer<MT,SO>& m )
780 template<
typename MT,
bool SO >
781 struct SubmatrixTrait< SMatTransposer<MT,SO> >
MT OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatTransposer.h:76
MT::ConstReference ConstReference
Reference to a constant matrix value.
Definition: SMatTransposer.h:82
MT::ElementType ElementType
Resulting element type.
Definition: SMatTransposer.h:78
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row/column i.
Definition: SMatTransposer.h:122
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4512
#define BLAZE_USER_ASSERT(expr, msg)
Run time assertion macro for user checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_USER_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERT flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:117
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
MT::ReturnType ReturnType
Return type for expression template evaluations.
Definition: SMatTransposer.h:79
void reset()
Resets the matrix elements.
Definition: SMatTransposer.h:202
SMatTransposer< MT, SO > This
Type of this SMatTransposer instance.
Definition: SMatTransposer.h:74
bool canAlias(const Other *alias) const
Returns whether the matrix can alias with the given address alias.
Definition: SMatTransposer.h:316
MT::ResultType TransposeType
Transpose type for expression template evaluations.
Definition: SMatTransposer.h:77
EnableIf< IsNumeric< Other >, SMatTransposer >::Type & operator*=(Other rhs)
Multiplication assignment operator for the multiplication between a matrix and a scalar value ( )...
Definition: SMatTransposer.h:151
Iterator insert(size_t i, size_t j, const ElementType &value)
Inserting an element into the sparse matrix.
Definition: SMatTransposer.h:220
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:104
Header file for the SparseMatrix base class.
Constraint on the data type.
MT::Iterator Iterator
Iterator over non-constant elements.
Definition: SMatTransposer.h:83
bool isAliased(const Other *alias) const
Returns whether the matrix is aliased with the given address alias.
Definition: SMatTransposer.h:329
void reserve(size_t i, size_t nonzeros)
Setting the minimum capacity of a specific row/column of the sparse matrix.
Definition: SMatTransposer.h:254
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a column-major dense or sparse matri...
Definition: StorageOrder.h:161
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2379
void assign(const SparseMatrix< MT2, false > &rhs)
Implementation of the transpose assignment of a row-major sparse matrix.
Definition: SMatTransposer.h:347
MT::TransposeType ResultType
Result type for expression template evaluations.
Definition: SMatTransposer.h:75
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row/column i.
Definition: SMatTransposer.h:138
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2372
Constraints on the storage order of matrix types.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2373
void append(size_t i, size_t j, const ElementType &value, bool check=false)
Appending an element to the specified row/column of the sparse matrix.
Definition: SMatTransposer.h:286
const Type & ConstReference
Reference to a constant matrix value.
Definition: CompressedMatrix.h:2377
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatTransposer.h:182
Header file for the EnableIf class template.
ColumnIterator< const MT > ConstIterator
Iterator over constant elements.
Definition: DenseColumn.h:1972
Header file for the IsNumeric type trait.
MT::ConstIterator ConstIterator
Iterator over constant elements.
Definition: SMatTransposer.h:84
void reserve(size_t nonzeros)
Setting the minimum capacity of the sparse matrix.
Definition: SMatTransposer.h:235
Expression object for the transposition of a sparse matrix.The SMatTransposer class is a wrapper obje...
Definition: Forward.h:100
#define BLAZE_CONSTRAINT_MUST_BE_ROW_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a row-major dense or sparse matrix t...
Definition: StorageOrder.h:81
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2374
Header file for run time assertion macros.
Header file for the submatrix trait.
SMatTransposer(MT &sm)
Constructor for the SMatTransposer class.
Definition: SMatTransposer.h:92
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
MT & sm_
The sparse matrix operand.
Definition: SMatTransposer.h:415
Element * Iterator
Iterator over non-constant elements.
Definition: CompressedMatrix.h:2378
Reference operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatTransposer.h:104
const This & CompositeType
Data type for composite expression templates.
Definition: SMatTransposer.h:80
void assign(const SparseMatrix< MT2, true > &rhs)
Implementation of the transpose assignment of a column-major sparse matrix.
Definition: SMatTransposer.h:379
void finalize(size_t i)
Finalizing the element insertion of a row/column.
Definition: SMatTransposer.h:304
EnableIf< IsNumeric< Other >, SMatTransposer >::Type & operator/=(Other rhs)
Division assignment operator for the division of a matrix by a scalar value ( ).
Definition: SMatTransposer.h:168
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2370
Header file for basic type definitions.
MatrixAccessProxy< This > Reference
Reference to a non-constant matrix value.
Definition: CompressedMatrix.h:2376
MT::Reference Reference
Reference to a non-constant matrix value.
Definition: SMatTransposer.h:81
SelectType< useConst, ConstIterator, ColumnIterator< MT > >::Type Iterator
Iterator over non-constant elements.
Definition: DenseColumn.h:1980
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:79
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatTransposer.h:192