DMatTransExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATTRANSEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DMATTRANSEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <iterator>
44 #include <blaze/math/Aliases.h>
48 #include <blaze/math/Exception.h>
63 #include <blaze/system/Inline.h>
64 #include <blaze/util/Assert.h>
65 #include <blaze/util/EnableIf.h>
67 #include <blaze/util/InvalidType.h>
68 #include <blaze/util/mpl/If.h>
69 #include <blaze/util/Types.h>
71 
72 
73 namespace blaze {
74 
75 //=================================================================================================
76 //
77 // CLASS DMATTRANSEXPR
78 //
79 //=================================================================================================
80 
81 //*************************************************************************************************
88 template< typename MT // Type of the dense matrix
89  , bool SO > // Storage order
91  : public MatTransExpr< DenseMatrix< DMatTransExpr<MT,SO>, SO > >
92  , private If< IsComputation_v<MT>, Computation, Transformation >::Type
93 {
94  private:
95  //**Type definitions****************************************************************************
96  using RT = ResultType_t<MT>;
98 
100  BLAZE_CREATE_GET_TYPE_MEMBER_TYPE_TRAIT( GetConstIterator, ConstIterator, INVALID_TYPE );
101  //**********************************************************************************************
102 
103  //**Serial evaluation strategy******************************************************************
105 
111  static constexpr bool useAssign = RequiresEvaluation_v<MT>;
112 
114  template< typename MT2 >
116  static constexpr bool UseAssign_v = useAssign;
118  //**********************************************************************************************
119 
120  //**Parallel evaluation strategy****************************************************************
122 
128  template< typename MT2 >
129  static constexpr bool UseSMPAssign_v = ( MT2::smpAssignable && useAssign );
131  //**********************************************************************************************
132 
133  public:
134  //**Type definitions****************************************************************************
142 
145 
147  using ConstIterator = GetConstIterator_t<MT>;
148 
150  using Operand = If_t< IsExpression_v<MT>, const MT, const MT& >;
151  //**********************************************************************************************
152 
153  //**Compilation flags***************************************************************************
155  static constexpr bool simdEnabled = MT::simdEnabled;
156 
158  static constexpr bool smpAssignable = MT::smpAssignable;
159  //**********************************************************************************************
160 
161  //**SIMD properties*****************************************************************************
163  static constexpr size_t SIMDSIZE = SIMDTrait<ElementType>::size;
164  //**********************************************************************************************
165 
166  //**Constructor*********************************************************************************
171  explicit inline DMatTransExpr( const MT& dm ) noexcept
172  : dm_( dm ) // Dense matrix of the transposition expression
173  {}
174  //**********************************************************************************************
175 
176  //**Access operator*****************************************************************************
183  inline ReturnType operator()( size_t i, size_t j ) const {
184  BLAZE_INTERNAL_ASSERT( i < dm_.columns(), "Invalid row access index" );
185  BLAZE_INTERNAL_ASSERT( j < dm_.rows() , "Invalid column access index" );
186  return dm_(j,i);
187  }
188  //**********************************************************************************************
189 
190  //**At function*********************************************************************************
198  inline ReturnType at( size_t i, size_t j ) const {
199  if( i >= dm_.columns() ) {
200  BLAZE_THROW_OUT_OF_RANGE( "Invalid row access index" );
201  }
202  if( j >= dm_.rows() ) {
203  BLAZE_THROW_OUT_OF_RANGE( "Invalid column access index" );
204  }
205  return (*this)(i,j);
206  }
207  //**********************************************************************************************
208 
209  //**Load function*******************************************************************************
216  BLAZE_ALWAYS_INLINE auto load( size_t i, size_t j ) const noexcept {
217  BLAZE_INTERNAL_ASSERT( i < dm_.columns(), "Invalid row access index" );
218  BLAZE_INTERNAL_ASSERT( j < dm_.rows() , "Invalid column access index" );
219  BLAZE_INTERNAL_ASSERT( !SO || ( i % SIMDSIZE == 0UL ), "Invalid row access index" );
220  BLAZE_INTERNAL_ASSERT( SO || ( j % SIMDSIZE == 0UL ), "Invalid column access index" );
221  return dm_.load(j,i);
222  }
223  //**********************************************************************************************
224 
225  //**Low-level data access***********************************************************************
230  inline const ElementType* data() const noexcept {
231  return dm_.data();
232  }
233  //**********************************************************************************************
234 
235  //**Begin function******************************************************************************
241  inline ConstIterator begin( size_t i ) const {
242  return ConstIterator( dm_.begin(i) );
243  }
244  //**********************************************************************************************
245 
246  //**End function********************************************************************************
252  inline ConstIterator end( size_t i ) const {
253  return ConstIterator( dm_.end(i) );
254  }
255  //**********************************************************************************************
256 
257  //**Rows function*******************************************************************************
262  inline size_t rows() const noexcept {
263  return dm_.columns();
264  }
265  //**********************************************************************************************
266 
267  //**Columns function****************************************************************************
272  inline size_t columns() const noexcept {
273  return dm_.rows();
274  }
275  //**********************************************************************************************
276 
277  //**Spacing function****************************************************************************
282  inline size_t spacing() const noexcept {
283  return dm_.spacing();
284  }
285  //**********************************************************************************************
286 
287  //**NonZeros function***************************************************************************
292  inline size_t nonZeros() const {
293  return dm_.nonZeros();
294  }
295  //**********************************************************************************************
296 
297  //**NonZeros function***************************************************************************
303  inline size_t nonZeros( size_t i ) const {
304  return dm_.nonZeros( i );
305  }
306  //**********************************************************************************************
307 
308  //**Operand access******************************************************************************
313  inline Operand operand() const noexcept {
314  return dm_;
315  }
316  //**********************************************************************************************
317 
318  //**********************************************************************************************
324  template< typename T >
325  inline bool canAlias( const T* alias ) const noexcept {
326  return dm_.isAliased( alias );
327  }
328  //**********************************************************************************************
329 
330  //**********************************************************************************************
336  template< typename T >
337  inline bool isAliased( const T* alias ) const noexcept {
338  return dm_.isAliased( alias );
339  }
340  //**********************************************************************************************
341 
342  //**********************************************************************************************
347  inline bool isAligned() const noexcept {
348  return dm_.isAligned();
349  }
350  //**********************************************************************************************
351 
352  //**********************************************************************************************
357  inline bool canSMPAssign() const noexcept {
358  return dm_.canSMPAssign();
359  }
360  //**********************************************************************************************
361 
362  private:
363  //**Member variables****************************************************************************
365  //**********************************************************************************************
366 
367  //**Assignment to dense matrices****************************************************************
381  template< typename MT2 // Type of the target dense matrix
382  , bool SO2 > // Storage order of the target dense matrix
383  friend inline auto assign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
385  {
387 
388  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
389  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
390 
391  DMatTransposer<MT2,!SO2> tmp( ~lhs );
392  assign( tmp, rhs.dm_ );
393  }
395  //**********************************************************************************************
396 
397  //**Assignment to sparse matrices***************************************************************
411  template< typename MT2 // Type of the target sparse matrix
412  , bool SO2 > // Storage order of the target sparse matrix
413  friend inline auto assign( SparseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
415  {
417 
419 
426 
427  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
428  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
429 
430  const TmpType tmp( serial( rhs ) );
431  assign( ~lhs, tmp );
432  }
434  //**********************************************************************************************
435 
436  //**Addition assignment to dense matrices*******************************************************
450  template< typename MT2 // Type of the target dense matrix
451  , bool SO2 > // Storage order of the target dense matrix
452  friend inline auto addAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
453  -> EnableIf_t< UseAssign_v<MT2> >
454  {
456 
457  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
458  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
459 
460  DMatTransposer<MT2,!SO2> tmp( ~lhs );
461  addAssign( tmp, rhs.dm_ );
462  }
464  //**********************************************************************************************
465 
466  //**Addition assignment to sparse matrices******************************************************
467  // No special implementation for the addition assignment to sparse matrices.
468  //**********************************************************************************************
469 
470  //**Subtraction assignment to dense matrices****************************************************
484  template< typename MT2 // Type of the target dense matrix
485  , bool SO2 > // Storage order of the target dense matrix
486  friend inline auto subAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
487  -> EnableIf_t< UseAssign_v<MT2> >
488  {
490 
491  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
492  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
493 
494  DMatTransposer<MT2,!SO2> tmp( ~lhs );
495  subAssign( tmp, rhs.dm_ );
496  }
498  //**********************************************************************************************
499 
500  //**Subtraction assignment to sparse matrices***************************************************
501  // No special implementation for the subtraction assignment to sparse matrices.
502  //**********************************************************************************************
503 
504  //**Schur product assignment to dense matrices**************************************************
518  template< typename MT2 // Type of the target dense matrix
519  , bool SO2 > // Storage order of the target dense matrix
520  friend inline auto schurAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
521  -> EnableIf_t< UseAssign_v<MT2> >
522  {
524 
525  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
526  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
527 
528  DMatTransposer<MT2,!SO2> tmp( ~lhs );
529  schurAssign( tmp, rhs.dm_ );
530  }
532  //**********************************************************************************************
533 
534  //**Schur product assignment to sparse matrices*************************************************
535  // No special implementation for the Schur product assignment to sparse matrices.
536  //**********************************************************************************************
537 
538  //**Multiplication assignment to dense matrices*************************************************
539  // No special implementation for the multiplication assignment to dense matrices.
540  //**********************************************************************************************
541 
542  //**Multiplication assignment to sparse matrices************************************************
543  // No special implementation for the multiplication assignment to sparse matrices.
544  //**********************************************************************************************
545 
546  //**SMP assignment to dense matrices************************************************************
560  template< typename MT2 // Type of the target dense matrix
561  , bool SO2 > // Storage order of the target dense matrix
562  friend inline auto smpAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
563  -> EnableIf_t< UseSMPAssign_v<MT2> >
564  {
566 
567  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
568  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
569 
570  DMatTransposer<MT2,!SO2> tmp( ~lhs );
571  smpAssign( tmp, rhs.dm_ );
572  }
574  //**********************************************************************************************
575 
576  //**SMP assignment to sparse matrices***********************************************************
590  template< typename MT2 // Type of the target sparse matrix
591  , bool SO2 > // Storage order of the target sparse matrix
592  friend inline auto smpAssign( SparseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
593  -> EnableIf_t< UseSMPAssign_v<MT2> >
594  {
596 
597  using TmpType = If_t< SO == SO2, ResultType, OppositeType >;
598 
605 
606  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
607  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
608 
609  const TmpType tmp( rhs );
610  smpAssign( ~lhs, tmp );
611  }
613  //**********************************************************************************************
614 
615  //**SMP addition assignment to dense matrices***************************************************
629  template< typename MT2 // Type of the target dense matrix
630  , bool SO2 > // Storage order of the target dense matrix
631  friend inline auto smpAddAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
632  -> EnableIf_t< UseSMPAssign_v<MT2> >
633  {
635 
636  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
637  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
638 
639  DMatTransposer<MT2,!SO2> tmp( ~lhs );
640  smpAddAssign( tmp, rhs.dm_ );
641  }
643  //**********************************************************************************************
644 
645  //**SMP addition assignment to sparse matrices**************************************************
646  // No special implementation for the SMP addition assignment to sparse matrices.
647  //**********************************************************************************************
648 
649  //**SMP subtraction assignment to dense matrices************************************************
663  template< typename MT2 // Type of the target dense matrix
664  , bool SO2 > // Storage order of the target dense matrix
665  friend inline auto smpSubAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
666  -> EnableIf_t< UseSMPAssign_v<MT2> >
667  {
669 
670  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
671  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
672 
673  DMatTransposer<MT2,!SO2> tmp( ~lhs );
674  smpSubAssign( tmp, rhs.dm_ );
675  }
677  //**********************************************************************************************
678 
679  //**SMP subtraction assignment to sparse matrices***********************************************
680  // No special implementation for the SMP subtraction assignment to sparse matrices.
681  //**********************************************************************************************
682 
683  //**SMP Schur product assignment to dense matrices**********************************************
698  template< typename MT2 // Type of the target dense matrix
699  , bool SO2 > // Storage order of the target dense matrix
700  friend inline auto smpSchurAssign( DenseMatrix<MT2,SO2>& lhs, const DMatTransExpr& rhs )
701  -> EnableIf_t< UseSMPAssign_v<MT2> >
702  {
704 
705  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
706  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
707 
708  DMatTransposer<MT2,!SO2> tmp( ~lhs );
709  smpSchurAssign( tmp, rhs.dm_ );
710  }
712  //**********************************************************************************************
713 
714  //**SMP Schur product assignment to sparse matrices*********************************************
715  // No special implementation for the SMP Schur product assignment to sparse matrices.
716  //**********************************************************************************************
717 
718  //**SMP multiplication assignment to dense matrices*********************************************
719  // No special implementation for the SMP multiplication assignment to dense matrices.
720  //**********************************************************************************************
721 
722  //**SMP multiplication assignment to sparse matrices********************************************
723  // No special implementation for the SMP multiplication assignment to sparse matrices.
724  //**********************************************************************************************
725 
726  //**Compile time checks*************************************************************************
731  //**********************************************************************************************
732 };
733 //*************************************************************************************************
734 
735 
736 
737 
738 //=================================================================================================
739 //
740 // GLOBAL OPERATORS
741 //
742 //=================================================================================================
743 
744 //*************************************************************************************************
763 template< typename MT // Type of the dense matrix
764  , bool SO > // Storage order
765 inline decltype(auto) trans( const DenseMatrix<MT,SO>& dm )
766 {
768 
769  using ReturnType = const DMatTransExpr<MT,!SO>;
770  return ReturnType( ~dm );
771 }
772 //*************************************************************************************************
773 
774 
775 
776 
777 //=================================================================================================
778 //
779 // GLOBAL RESTRUCTURING FUNCTIONS
780 //
781 //=================================================================================================
782 
783 //*************************************************************************************************
803 template< typename MT // Type of the dense matrix
804  , bool SO > // Storage order
805 inline decltype(auto) trans( const DMatTransExpr<MT,SO>& dm )
806 {
808 
809  return dm.operand();
810 }
812 //*************************************************************************************************
813 
814 
815 //*************************************************************************************************
827 template< typename MT // Type of the left-hand side dense matrix
828  , typename ST // Type of the right-hand side scalar value
829  , bool SO > // Storage order
830 inline decltype(auto) trans( const DMatScalarMultExpr<MT,ST,SO>& dm )
831 {
833 
834  return trans( dm.leftOperand() ) * dm.rightOperand();
835 }
837 //*************************************************************************************************
838 
839 
840 
841 
842 //=================================================================================================
843 //
844 // HASCONSTDATAACCESS SPECIALIZATIONS
845 //
846 //=================================================================================================
847 
848 //*************************************************************************************************
850 template< typename MT, bool SO >
851 struct HasConstDataAccess< DMatTransExpr<MT,SO> >
852  : public HasConstDataAccess<MT>
853 {};
855 //*************************************************************************************************
856 
857 
858 
859 
860 //=================================================================================================
861 //
862 // ISALIGNED SPECIALIZATIONS
863 //
864 //=================================================================================================
865 
866 //*************************************************************************************************
868 template< typename MT, bool SO >
869 struct IsAligned< DMatTransExpr<MT,SO> >
870  : public IsAligned<MT>
871 {};
873 //*************************************************************************************************
874 
875 
876 
877 
878 //=================================================================================================
879 //
880 // ISPADDED SPECIALIZATIONS
881 //
882 //=================================================================================================
883 
884 //*************************************************************************************************
886 template< typename MT, bool SO >
887 struct IsPadded< DMatTransExpr<MT,SO> >
888  : public IsPadded<MT>
889 {};
891 //*************************************************************************************************
892 
893 } // namespace blaze
894 
895 #endif
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 declaration for the If class template.The If_t alias declaration provides a convenien...
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
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
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
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
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:80
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:137
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
Header file for the Transformation base class.
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:76
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.
Header file for all forward declarations for expression class templates.
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
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
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3081
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, 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
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