DVecDVecDivExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECDIVEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECDIVEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <iterator>
44 #include <utility>
45 #include <blaze/math/Aliases.h>
50 #include <blaze/math/Exception.h>
56 #include <blaze/math/SIMD.h>
64 #include <blaze/system/Inline.h>
66 #include <blaze/util/Assert.h>
67 #include <blaze/util/EnableIf.h>
70 #include <blaze/util/mpl/If.h>
71 #include <blaze/util/Types.h>
73 
74 
75 namespace blaze {
76 
77 //=================================================================================================
78 //
79 // CLASS DVECDVECDIVEXPR
80 //
81 //=================================================================================================
82 
83 //*************************************************************************************************
90 template< typename VT1 // Type of the left-hand side dense vector
91  , typename VT2 // Type of the right-hand side dense vector
92  , bool TF > // Transpose flag
94  : public VecVecDivExpr< DenseVector< DVecDVecDivExpr<VT1,VT2,TF>, TF > >
95  , private Computation
96 {
97  private:
98  //**Type definitions****************************************************************************
107  //**********************************************************************************************
108 
109  //**Return type evaluation**********************************************************************
111 
116  static constexpr bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
117 
119  using ExprReturnType = decltype( std::declval<RN1>() / std::declval<RN2>() );
120  //**********************************************************************************************
121 
122  //**Serial evaluation strategy******************************************************************
124 
130  static constexpr bool useAssign =
131  ( RequiresEvaluation_v<VT1> || RequiresEvaluation_v<VT2> || !returnExpr );
132 
134  template< typename VT >
136  static constexpr bool UseAssign_v = useAssign;
138  //**********************************************************************************************
139 
140  //**Parallel evaluation strategy****************************************************************
142 
148  template< typename VT >
149  static constexpr bool UseSMPAssign_v =
152  //**********************************************************************************************
153 
154  public:
155  //**Type definitions****************************************************************************
161 
164 
167 
169  using LeftOperand = If_t< IsExpression_v<VT1>, const VT1, const VT1& >;
170 
172  using RightOperand = If_t< IsExpression_v<VT2>, const VT2, const VT2& >;
173  //**********************************************************************************************
174 
175  //**ConstIterator class definition**************************************************************
179  {
180  public:
181  //**Type definitions*************************************************************************
182  using IteratorCategory = std::random_access_iterator_tag;
187 
188  // STL iterator requirements
194 
197 
200  //*******************************************************************************************
201 
202  //**Constructor******************************************************************************
208  explicit inline ConstIterator( LeftIteratorType left, RightIteratorType right )
209  : left_ ( left ) // Iterator to the current left-hand side element
210  , right_( right ) // Iterator to the current right-hand side element
211  {}
212  //*******************************************************************************************
213 
214  //**Addition assignment operator*************************************************************
220  inline ConstIterator& operator+=( size_t inc ) {
221  left_ += inc;
222  right_ += inc;
223  return *this;
224  }
225  //*******************************************************************************************
226 
227  //**Subtraction assignment operator**********************************************************
233  inline ConstIterator& operator-=( size_t dec ) {
234  left_ -= dec;
235  right_ -= dec;
236  return *this;
237  }
238  //*******************************************************************************************
239 
240  //**Prefix increment operator****************************************************************
246  ++left_;
247  ++right_;
248  return *this;
249  }
250  //*******************************************************************************************
251 
252  //**Postfix increment operator***************************************************************
257  inline const ConstIterator operator++( int ) {
258  return ConstIterator( left_++, right_++ );
259  }
260  //*******************************************************************************************
261 
262  //**Prefix decrement operator****************************************************************
268  --left_;
269  --right_;
270  return *this;
271  }
272  //*******************************************************************************************
273 
274  //**Postfix decrement operator***************************************************************
279  inline const ConstIterator operator--( int ) {
280  return ConstIterator( left_--, right_-- );
281  }
282  //*******************************************************************************************
283 
284  //**Element access operator******************************************************************
289  inline ReturnType operator*() const {
290  return (*left_) / (*right_);
291  }
292  //*******************************************************************************************
293 
294  //**Load function****************************************************************************
299  inline auto load() const noexcept {
300  return left_.load() / right_.load();
301  }
302  //*******************************************************************************************
303 
304  //**Equality operator************************************************************************
310  inline bool operator==( const ConstIterator& rhs ) const {
311  return left_ == rhs.left_;
312  }
313  //*******************************************************************************************
314 
315  //**Inequality operator**********************************************************************
321  inline bool operator!=( const ConstIterator& rhs ) const {
322  return left_ != rhs.left_;
323  }
324  //*******************************************************************************************
325 
326  //**Less-than operator***********************************************************************
332  inline bool operator<( const ConstIterator& rhs ) const {
333  return left_ < rhs.left_;
334  }
335  //*******************************************************************************************
336 
337  //**Greater-than operator********************************************************************
343  inline bool operator>( const ConstIterator& rhs ) const {
344  return left_ > rhs.left_;
345  }
346  //*******************************************************************************************
347 
348  //**Less-or-equal-than operator**************************************************************
354  inline bool operator<=( const ConstIterator& rhs ) const {
355  return left_ <= rhs.left_;
356  }
357  //*******************************************************************************************
358 
359  //**Greater-or-equal-than operator***********************************************************
365  inline bool operator>=( const ConstIterator& rhs ) const {
366  return left_ >= rhs.left_;
367  }
368  //*******************************************************************************************
369 
370  //**Subtraction operator*********************************************************************
376  inline DifferenceType operator-( const ConstIterator& rhs ) const {
377  return left_ - rhs.left_;
378  }
379  //*******************************************************************************************
380 
381  //**Addition operator************************************************************************
388  friend inline const ConstIterator operator+( const ConstIterator& it, size_t inc ) {
389  return ConstIterator( it.left_ + inc, it.right_ + inc );
390  }
391  //*******************************************************************************************
392 
393  //**Addition operator************************************************************************
400  friend inline const ConstIterator operator+( size_t inc, const ConstIterator& it ) {
401  return ConstIterator( it.left_ + inc, it.right_ + inc );
402  }
403  //*******************************************************************************************
404 
405  //**Subtraction operator*********************************************************************
412  friend inline const ConstIterator operator-( const ConstIterator& it, size_t dec ) {
413  return ConstIterator( it.left_ - dec, it.right_ - dec );
414  }
415  //*******************************************************************************************
416 
417  private:
418  //**Member variables*************************************************************************
421  //*******************************************************************************************
422  };
423  //**********************************************************************************************
424 
425  //**Compilation flags***************************************************************************
427  static constexpr bool simdEnabled =
428  ( VT1::simdEnabled && VT2::simdEnabled && HasSIMDDiv_v<ET1,ET2> );
429 
431  static constexpr bool smpAssignable = ( VT1::smpAssignable && VT2::smpAssignable );
432  //**********************************************************************************************
433 
434  //**SIMD properties*****************************************************************************
436  static constexpr size_t SIMDSIZE = SIMDTrait<ElementType>::size;
437  //**********************************************************************************************
438 
439  //**Constructor*********************************************************************************
445  explicit inline DVecDVecDivExpr( const VT1& lhs, const VT2& rhs ) noexcept
446  : lhs_( lhs ) // Left-hand side dense vector of the division expression
447  , rhs_( rhs ) // Right-hand side dense vector of the division expression
448  {
449  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
450  }
451  //**********************************************************************************************
452 
453  //**Subscript operator**************************************************************************
459  inline ReturnType operator[]( size_t index ) const {
460  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
461  return lhs_[index] / rhs_[index];
462  }
463  //**********************************************************************************************
464 
465  //**At function*********************************************************************************
472  inline ReturnType at( size_t index ) const {
473  if( index >= lhs_.size() ) {
474  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
475  }
476  return (*this)[index];
477  }
478  //**********************************************************************************************
479 
480  //**Load function*******************************************************************************
486  BLAZE_ALWAYS_INLINE auto load( size_t index ) const noexcept {
487  BLAZE_INTERNAL_ASSERT( index < lhs_.size() , "Invalid vector access index" );
488  BLAZE_INTERNAL_ASSERT( index % SIMDSIZE == 0UL, "Invalid vector access index" );
489  return lhs_.load( index ) / rhs_.load( index );
490  }
491  //**********************************************************************************************
492 
493  //**Begin function******************************************************************************
498  inline ConstIterator begin() const {
499  return ConstIterator( lhs_.begin(), rhs_.begin() );
500  }
501  //**********************************************************************************************
502 
503  //**End function********************************************************************************
508  inline ConstIterator end() const {
509  return ConstIterator( lhs_.end(), rhs_.end() );
510  }
511  //**********************************************************************************************
512 
513  //**Size function*******************************************************************************
518  inline size_t size() const noexcept {
519  return lhs_.size();
520  }
521  //**********************************************************************************************
522 
523  //**Left operand access*************************************************************************
528  inline LeftOperand leftOperand() const noexcept {
529  return lhs_;
530  }
531  //**********************************************************************************************
532 
533  //**Right operand access************************************************************************
538  inline RightOperand rightOperand() const noexcept {
539  return rhs_;
540  }
541  //**********************************************************************************************
542 
543  //**********************************************************************************************
549  template< typename T >
550  inline bool canAlias( const T* alias ) const noexcept {
551  return ( IsExpression_v<VT1> && ( RequiresEvaluation_v<VT1> ? lhs_.isAliased( alias ) : lhs_.canAlias( alias ) ) ) ||
552  ( IsExpression_v<VT2> && ( RequiresEvaluation_v<VT2> ? rhs_.isAliased( alias ) : rhs_.canAlias( alias ) ) );
553  }
554  //**********************************************************************************************
555 
556  //**********************************************************************************************
562  template< typename T >
563  inline bool isAliased( const T* alias ) const noexcept {
564  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
565  }
566  //**********************************************************************************************
567 
568  //**********************************************************************************************
573  inline bool isAligned() const noexcept {
574  return lhs_.isAligned() && rhs_.isAligned();
575  }
576  //**********************************************************************************************
577 
578  //**********************************************************************************************
583  inline bool canSMPAssign() const noexcept {
584  return lhs_.canSMPAssign() || rhs_.canSMPAssign() ||
585  ( size() > SMP_DVECDVECDIV_THRESHOLD );
586  }
587  //**********************************************************************************************
588 
589  private:
590  //**Member variables****************************************************************************
593  //**********************************************************************************************
594 
595  //**Assignment to dense vectors*****************************************************************
609  template< typename VT > // Type of the target dense vector
610  friend inline auto assign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
612  {
614 
615  using ET = ElementType_t<VT>;
616 
620 
621  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
622 
623  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
624  divAssign( ~lhs, rhs.rhs_ );
625  }
626  else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
627  assign ( ~lhs, rhs.lhs_ );
628  divAssign( ~lhs, rhs.rhs_ );
629  }
630  else {
631  const ResultType tmp( serial( rhs ) );
632  assign( ~lhs, tmp );
633  }
634  }
636  //**********************************************************************************************
637 
638  //**Assignment to sparse vectors****************************************************************
652  template< typename VT > // Type of the target sparse vector
653  friend inline auto assign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
655  {
657 
661 
662  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
663 
664  const ResultType tmp( serial( rhs ) );
665  assign( ~lhs, tmp );
666  }
668  //**********************************************************************************************
669 
670  //**Addition assignment to dense vectors********************************************************
684  template< typename VT > // Type of the target dense vector
685  friend inline auto addAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
686  -> EnableIf_t< UseAssign_v<VT> >
687  {
689 
693 
694  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
695 
696  const ResultType tmp( serial( rhs ) );
697  addAssign( ~lhs, tmp );
698  }
700  //**********************************************************************************************
701 
702  //**Addition assignment to sparse vectors*******************************************************
703  // No special implementation for the addition assignment to sparse vectors.
704  //**********************************************************************************************
705 
706  //**Subtraction assignment to dense vectors*****************************************************
720  template< typename VT > // Type of the target dense vector
721  friend inline auto subAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
722  -> EnableIf_t< UseAssign_v<VT> >
723  {
725 
729 
730  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
731 
732  const ResultType tmp( serial( rhs ) );
733  subAssign( ~lhs, tmp );
734  }
736  //**********************************************************************************************
737 
738  //**Subtraction assignment to sparse vectors****************************************************
739  // No special implementation for the subtraction assignment to sparse vectors.
740  //**********************************************************************************************
741 
742  //**Multiplication assignment to dense vectors**************************************************
756  template< typename VT > // Type of the target dense vector
757  friend inline auto multAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
758  -> EnableIf_t< UseAssign_v<VT> >
759  {
761 
765 
766  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
767 
768  const ResultType tmp( serial( rhs ) );
769  multAssign( ~lhs, tmp );
770  }
772  //**********************************************************************************************
773 
774  //**Multiplication assignment to sparse vectors*************************************************
775  // No special implementation for the multiplication assignment to sparse vectors.
776  //**********************************************************************************************
777 
778  //**Division assignment to dense vectors********************************************************
792  template< typename VT > // Type of the target dense vector
793  friend inline auto divAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
794  -> EnableIf_t< UseAssign_v<VT> >
795  {
797 
801 
802  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
803 
804  const ResultType tmp( serial( rhs ) );
805  divAssign( ~lhs, tmp );
806  }
808  //**********************************************************************************************
809 
810  //**Division assignment to sparse vectors*******************************************************
811  // No special implementation for the division assignment to sparse vectors.
812  //**********************************************************************************************
813 
814  //**SMP assignment to dense vectors*************************************************************
828  template< typename VT > // Type of the target dense vector
829  friend inline auto smpAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
830  -> EnableIf_t< UseSMPAssign_v<VT> >
831  {
833 
834  using ET = ElementType_t<VT>;
835 
839 
840  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
841 
842  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
843  smpDivAssign( ~lhs, rhs.rhs_ );
844  }
845  else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
846  smpAssign ( ~lhs, rhs.lhs_ );
847  smpDivAssign( ~lhs, rhs.rhs_ );
848  }
849  else {
850  const ResultType tmp( rhs );
851  smpAssign( ~lhs, tmp );
852  }
853  }
855  //**********************************************************************************************
856 
857  //**SMP assignment to sparse vectors************************************************************
871  template< typename VT > // Type of the target sparse vector
872  friend inline auto smpAssign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
873  -> EnableIf_t< UseSMPAssign_v<VT> >
874  {
876 
880 
881  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
882 
883  const ResultType tmp( rhs );
884  smpAssign( ~lhs, tmp );
885  }
887  //**********************************************************************************************
888 
889  //**SMP addition assignment to dense vectors****************************************************
903  template< typename VT > // Type of the target dense vector
904  friend inline auto smpAddAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
905  -> EnableIf_t< UseSMPAssign_v<VT> >
906  {
908 
912 
913  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
914 
915  const ResultType tmp( rhs );
916  smpAddAssign( ~lhs, tmp );
917  }
919  //**********************************************************************************************
920 
921  //**SMP addition assignment to sparse vectors***************************************************
922  // No special implementation for the SMP addition assignment to sparse vectors.
923  //**********************************************************************************************
924 
925  //**SMP subtraction assignment to dense vectors*************************************************
939  template< typename VT > // Type of the target dense vector
940  friend inline auto smpSubAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
941  -> EnableIf_t< UseSMPAssign_v<VT> >
942  {
944 
948 
949  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
950 
951  const ResultType tmp( rhs );
952  smpSubAssign( ~lhs, tmp );
953  }
955  //**********************************************************************************************
956 
957  //**SMP subtraction assignment to sparse vectors************************************************
958  // No special implementation for the SMP subtraction assignment to sparse vectors.
959  //**********************************************************************************************
960 
961  //**SMP multiplication assignment to dense vectors**********************************************
975  template< typename VT > // Type of the target dense vector
976  friend inline auto smpMultAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
977  -> EnableIf_t< UseSMPAssign_v<VT> >
978  {
980 
984 
985  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
986 
987  const ResultType tmp( rhs );
988  smpMultAssign( ~lhs, tmp );
989  }
991  //**********************************************************************************************
992 
993  //**SMP multiplication assignment to sparse vectors*********************************************
994  // No special implementation for the SMP multiplication assignment to sparse vectors.
995  //**********************************************************************************************
996 
997  //**SMP division assignment to dense vectors****************************************************
1011  template< typename VT > // Type of the target dense vector
1012  friend inline auto smpDivAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
1013  -> EnableIf_t< UseSMPAssign_v<VT> >
1014  {
1016 
1020 
1021  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
1022 
1023  const ResultType tmp( rhs );
1024  smpDivAssign( ~lhs, tmp );
1025  }
1027  //**********************************************************************************************
1028 
1029  //**SMP division assignment to sparse vectors***************************************************
1030  // No special implementation for the SMP division assignment to sparse vectors.
1031  //**********************************************************************************************
1032 
1033  //**Compile time checks*************************************************************************
1041  //**********************************************************************************************
1042 };
1043 //*************************************************************************************************
1044 
1045 
1046 
1047 
1048 //=================================================================================================
1049 //
1050 // GLOBAL BINARY ARITHMETIC OPERATORS
1051 //
1052 //=================================================================================================
1053 
1054 //*************************************************************************************************
1079 template< typename VT1 // Type of the left-hand side dense vector
1080  , typename VT2 // Type of the right-hand side dense vector
1081  , bool TF > // Transpose flag
1082 inline decltype(auto)
1083  operator/( const DenseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
1084 {
1086 
1087  if( (~lhs).size() != (~rhs).size() ) {
1088  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
1089  }
1090 
1092  return ReturnType( ~lhs, ~rhs );
1093 }
1094 //*************************************************************************************************
1095 
1096 
1097 
1098 
1099 //=================================================================================================
1100 //
1101 // ISALIGNED SPECIALIZATIONS
1102 //
1103 //=================================================================================================
1104 
1105 //*************************************************************************************************
1107 template< typename VT1, typename VT2, bool TF >
1108 struct IsAligned< DVecDVecDivExpr<VT1,VT2,TF> >
1109  : public BoolConstant< IsAligned_v<VT1> && IsAligned_v<VT2> >
1110 {};
1112 //*************************************************************************************************
1113 
1114 } // namespace blaze
1115 
1116 #endif
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecDVecDivExpr.h:427
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Pointer difference type of the Blaze library.
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:343
Header file for auxiliary alias declarations.
ReturnType_t< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:102
Header file for the VecVecDivExpr base class.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecDivExpr.h:376
bool isSame(const Matrix< MT1, SO1 > &a, const Matrix< MT2, SO2 > &b) noexcept
Returns whether the two given matrices represent the same observable state.
Definition: Matrix.h:992
Header file for basic type definitions.
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the division expression. ...
Definition: DVecDVecDivExpr.h:130
ResultType_t< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:100
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecDivExpr.h:185
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
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecDivExpr.h:189
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.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
typename DivTrait< T1, T2 >::Type DivTrait_t
Auxiliary alias declaration for the DivTrait class template.The DivTrait_t alias declaration provides...
Definition: DivTrait.h:239
ReturnType_t< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:101
Header file for the IsSame and IsStrictlySame type traits.
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
ConstIterator_t< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:196
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:332
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:498
Iterator over the elements of the dense vector.
Definition: DVecDVecDivExpr.h:178
Header file for the DenseVector base class.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:310
Header file for the Computation base class.
RightOperand rhs_
Right-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:592
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecDivExpr.h:420
Constraint on the data type.
If_t< IsExpression_v< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:172
Header file for the RequiresEvaluation type trait.
ReferenceType reference
Reference return type.
Definition: DVecDVecDivExpr.h:192
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:365
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
auto smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:220
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DVecDVecDivExpr.h:160
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecDivExpr.h:459
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecDivExpr.h:182
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecDivExpr.h:518
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:103
Expression object for dense vector-dense vector divisions.The DVecDVecDivExpr class represents the co...
Definition: DVecDVecDivExpr.h:93
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:354
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
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecDivExpr.h:267
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecDivExpr.h:257
Header file for the IsTemporary type trait class.
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecDivExpr.h:279
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
DivTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecDivExpr.h:158
Header file for the If class template.
static constexpr size_t SIMDSIZE
The number of elements packed within a single SIMD element.
Definition: DVecDVecDivExpr.h:436
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecDivExpr.h:419
ElementType * PointerType
Pointer return type.
Definition: DVecDVecDivExpr.h:184
CompositeType_t< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:104
#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
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:528
Base class for all vector/vector division expression templates.The VecVecDivExpr class serves as a ta...
Definition: VecVecDivExpr.h:66
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecDivExpr.h:159
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3086
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:388
Header file for all SIMD functionality.
PointerType pointer
Pointer return type.
Definition: DVecDVecDivExpr.h:191
ConstIterator_t< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:199
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
Header file for the IsAligned type trait.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecDivExpr.h:233
Constraint on the data type.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecDivExpr.h:573
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecDivExpr.h:563
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:321
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecDivExpr.h:163
Constraint on the data type.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecDivExpr.h:186
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.
Header file for the EnableIf class template.
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:299
decltype(std::declval< RN1 >()/std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecDivExpr.h:119
ElementType_t< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:106
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecDVecDivExpr.h:431
If_t< useAssign, const ResultType, const DVecDVecDivExpr &> CompositeType
Data type for composite expression templates.
Definition: DVecDVecDivExpr.h:166
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:99
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:412
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
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DVecDVecDivExpr.h:116
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:190
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
Header file for the division trait.
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecDivExpr.h:400
If_t< IsExpression_v< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:169
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecDivExpr.h:220
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
constexpr size_t size(const Matrix< MT, SO > &matrix) noexcept
Returns the total number of elements of the matrix.
Definition: Matrix.h:530
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
#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
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecDivExpr.h:245
IntegralConstant< bool, B > BoolConstant
Generic wrapper for a compile time constant boolean value.The BoolConstant class template represents ...
Definition: IntegralConstant.h:101
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecDivExpr.h:472
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:486
typename T::ConstIterator ConstIterator_t
Alias declaration for nested ConstIterator type definitions.The ConstIterator_t alias declaration pro...
Definition: Aliases.h:110
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecDivExpr.h:583
ElementType_t< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:105
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3081
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional vector type...
Definition: DenseVector.h:61
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:508
LeftOperand lhs_
Left-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:591
Header file for the HasSIMDDiv type trait.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECDIVEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecDivExpr.h:104
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
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:138
Header file for the IntegralConstant class template.
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecDivExpr.h:208
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:183
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:538
DVecDVecDivExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecDivExpr class.
Definition: DVecDVecDivExpr.h:445
System settings for the inline keywords.
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.In case the given data type T is not a dense or sparse vector type and in...
Definition: TransposeFlag.h:63
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
#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
auto smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:191
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecDivExpr.h:550
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecDivExpr.h:289