35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATTRANSEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DMATTRANSEXPR_H_ 91 :
public MatTransExpr< DenseMatrix< DMatTransExpr<MT,SO>, SO > >
92 ,
private If< IsComputation_v<MT>, Computation, Transformation >::Type
111 static constexpr
bool useAssign = RequiresEvaluation_v<MT>;
114 template<
typename MT2 >
116 static constexpr
bool UseAssign_v =
useAssign;
128 template<
typename MT2 >
129 static constexpr
bool UseSMPAssign_v = ( MT2::smpAssignable &&
useAssign );
199 if( i >=
dm_.columns() ) {
202 if( j >=
dm_.rows() ) {
221 return dm_.load(j,i);
262 inline size_t rows() const noexcept {
263 return dm_.columns();
283 return dm_.spacing();
293 return dm_.nonZeros();
304 return dm_.nonZeros( i );
324 template<
typename T >
325 inline bool canAlias(
const T* alias )
const noexcept {
326 return dm_.isAliased( alias );
336 template<
typename T >
337 inline bool isAliased(
const T* alias )
const noexcept {
338 return dm_.isAliased( alias );
348 return dm_.isAligned();
358 return dm_.canSMPAssign();
381 template<
typename MT2
392 assign( tmp, rhs.dm_ );
411 template<
typename MT2
430 const TmpType tmp(
serial( rhs ) );
450 template<
typename MT2
452 friend inline auto addAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatTransExpr& rhs )
453 -> EnableIf_t< UseAssign_v<MT2> >
460 DMatTransposer<MT2,!SO2> tmp( ~lhs );
461 addAssign( tmp, rhs.dm_ );
484 template<
typename MT2
486 friend inline auto subAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatTransExpr& rhs )
487 -> EnableIf_t< UseAssign_v<MT2> >
494 DMatTransposer<MT2,!SO2> tmp( ~lhs );
495 subAssign( tmp, rhs.dm_ );
518 template<
typename MT2
520 friend inline auto schurAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatTransExpr& rhs )
521 -> EnableIf_t< UseAssign_v<MT2> >
528 DMatTransposer<MT2,!SO2> tmp( ~lhs );
529 schurAssign( tmp, rhs.dm_ );
560 template<
typename MT2
563 -> EnableIf_t< UseSMPAssign_v<MT2> >
570 DMatTransposer<MT2,!SO2> tmp( ~lhs );
590 template<
typename MT2
593 -> EnableIf_t< UseSMPAssign_v<MT2> >
597 using TmpType = If_t< SO == SO2, ResultType, OppositeType >;
609 const TmpType tmp( rhs );
629 template<
typename MT2
632 -> EnableIf_t< UseSMPAssign_v<MT2> >
639 DMatTransposer<MT2,!SO2> tmp( ~lhs );
663 template<
typename MT2
666 -> EnableIf_t< UseSMPAssign_v<MT2> >
673 DMatTransposer<MT2,!SO2> tmp( ~lhs );
698 template<
typename MT2
701 -> EnableIf_t< UseSMPAssign_v<MT2> >
708 DMatTransposer<MT2,!SO2> tmp( ~lhs );
763 template<
typename MT
770 return ReturnType( ~dm );
803 template<
typename MT
805 inline decltype(
auto)
trans( const DMatTransExpr<MT,SO>& dm )
827 template<
typename MT
830 inline decltype(
auto)
trans( const DMatScalarMultExpr<MT,ST,SO>& dm )
834 return trans( dm.leftOperand() ) * dm.rightOperand();
850 template<
typename MT,
bool SO >
851 struct HasConstDataAccess< DMatTransExpr<MT,SO> >
852 :
public HasConstDataAccess<MT>
868 template<
typename MT,
bool SO >
869 struct IsAligned< DMatTransExpr<MT,SO> >
870 :
public IsAligned<MT>
886 template<
typename MT,
bool SO >
887 struct IsPadded< DMatTransExpr<MT,SO> >
888 :
public IsPadded<MT>
Header file for auxiliary alias declarations.
size_t spacing() const noexcept
Returns the spacing between the beginning of two rows/columns.
Definition: DMatTransExpr.h:282
Compile time type selection.The If class template selects one of the two given types T1 and T2 depend...
Definition: If.h:59
Header file for basic type definitions.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias template for the If class template.The If_t alias template provides a convenient shor...
Definition: If.h:109
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DMatTransExpr.h:347
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
Expression object for dense matrix transpositions.The DMatTransExpr class represents the compile time...
Definition: DMatTransExpr.h:90
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.In case the given data type T is not a dense or sparse matrix type and in...
Definition: StorageOrder.h:63
Header file for the MatTransExpr base class.
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DMatTransExpr.h:357
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type,...
Definition: DenseMatrix.h:61
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatTransExpr.h:138
const ElementType * data() const noexcept
Low-level data access to the matrix elements.
Definition: DMatTransExpr.h:230
Header file for the Computation base class.
Operand operand() const noexcept
Returns the dense matrix operand.
Definition: DMatTransExpr.h:313
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: DMatTransExpr.h:272
Header file for the RequiresEvaluation type trait.
Operand dm_
Dense matrix of the transposition expression.
Definition: DMatTransExpr.h:364
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
Header file for the SIMD trait.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DMatTransExpr.h:158
BLAZE_ALWAYS_INLINE auto load(size_t i, size_t j) const noexcept
Access to the SIMD elements of the matrix.
Definition: DMatTransExpr.h:216
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes....
Definition: DenseMatrix.h:81
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes....
Definition: Forward.h:145
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
Constraint on the data type.
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.The EnableIf_t alias declaration provides a convenient...
Definition: EnableIf.h:138
BLAZE_CREATE_GET_TYPE_MEMBER_TYPE_TRAIT(GetConstIterator, ConstIterator, INVALID_TYPE)
Definition of the GetConstIterator type trait.
ElementType_t< MT > ElementType
Resulting element type.
Definition: DMatTransExpr.h:140
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
GetConstIterator_t< MT > ConstIterator
Iterator over the elements of the dense matrix.
Definition: DMatTransExpr.h:147
Header file for the If class template.
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row/column i.
Definition: DMatTransExpr.h:252
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: DMatTransExpr.h:262
TransposeType_t< MT > ResultType
Result type for expression template evaluations.
Definition: DMatTransExpr.h:137
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
Header file for the DenseMatrix base class.
Expression object for the transposition of a dense matrix.The DMatTransposer class is a wrapper objec...
Definition: DMatTransposer.h:77
Header file for the GetMemberType type trait.
Header file for the IsAligned type trait.
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the transposition expression.
Definition: DMatTransExpr.h:111
Constraints on the storage order of matrix types.
Header file for the exception macros of the math module.
Constraint on the data type.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DMatTransExpr.h:325
static constexpr size_t SIMDSIZE
The number of elements packed within a single SIMD element.
Definition: DMatTransExpr.h:163
Header file for the EnableIf class template.
Header file for the IsPadded type trait.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DMatTransExpr.h:337
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatTransExpr.h:183
typename T::OppositeType OppositeType_t
Alias declaration for nested OppositeType type definitions.The OppositeType_t alias declaration provi...
Definition: Aliases.h:270
Header file for the dense matrix transposer.
Header file for the HasConstDataAccess type trait.
DMatTransExpr(const MT &dm) noexcept
Constructor for the DMatTransExpr class.
Definition: DMatTransExpr.h:171
ResultType_t< MT > RT
Result type of the dense matrix expression.
Definition: DMatTransExpr.h:96
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
Utility type for generic codes.
auto smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:131
size_t nonZeros() const
Returns the number of non-zero elements in the dense matrix.
Definition: DMatTransExpr.h:292
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row/column i.
Definition: DMatTransExpr.h:241
SIMD characteristics of data types.The SIMDTrait class template provides the SIMD characteristics of ...
Definition: SIMDTrait.h:295
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Header file for all forward declarations for expression class templates.
auto smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:100
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
Base class for all matrix transposition expression templates.The MatTransExpr class serves as a tag f...
Definition: MatTransExpr.h:66
CompositeType_t< MT > CT
Composite type of the dense matrix expression.
Definition: DMatTransExpr.h:97
ReturnType_t< MT > ReturnType
Return type for expression template evaluations.
Definition: DMatTransExpr.h:141
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
auto smpSchurAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP Schur product assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:194
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_SAME_STORAGE_ORDER(T1, T2)
Constraint on the data type.In case either of the two given data types T1 or T2 is not a matrix type ...
Definition: StorageOrder.h:84
decltype(auto) trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:765
Header file for the IsComputation type trait class.
auto smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:162
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DMatTransExpr.h:155
ResultType_t< MT > TransposeType
Transpose type for expression template evaluations.
Definition: DMatTransExpr.h:139
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row/column.
Definition: DMatTransExpr.h:303
System settings for the inline keywords.
If_t< useAssign, const ResultType, const DMatTransExpr & > CompositeType
Data type for composite expression templates.
Definition: DMatTransExpr.h:144
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression,...
Definition: Assert.h:101
If_t< IsExpression_v< MT >, const MT, const MT & > Operand
Composite data type of the dense matrix expression.
Definition: DMatTransExpr.h:150
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: DMatTransExpr.h:198