Blaze  3.6
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>
65 #include <blaze/system/Inline.h>
67 #include <blaze/util/Assert.h>
68 #include <blaze/util/EnableIf.h>
71 #include <blaze/util/mpl/If.h>
72 #include <blaze/util/Types.h>
74 
75 
76 namespace blaze {
77 
78 //=================================================================================================
79 //
80 // CLASS DVECDVECDIVEXPR
81 //
82 //=================================================================================================
83 
84 //*************************************************************************************************
91 template< typename VT1 // Type of the left-hand side dense vector
92  , typename VT2 // Type of the right-hand side dense vector
93  , bool TF > // Transpose flag
95  : public VecVecDivExpr< DenseVector< DVecDVecDivExpr<VT1,VT2,TF>, TF > >
96  , private Computation
97 {
98  private:
99  //**Type definitions****************************************************************************
108  //**********************************************************************************************
109 
110  //**Return type evaluation**********************************************************************
112 
117  static constexpr bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
118 
120  using ExprReturnType = decltype( std::declval<RN1>() / std::declval<RN2>() );
121  //**********************************************************************************************
122 
123  //**Serial evaluation strategy******************************************************************
125 
131  static constexpr bool useAssign =
132  ( RequiresEvaluation_v<VT1> || RequiresEvaluation_v<VT2> || !returnExpr );
133 
135  template< typename VT >
137  static constexpr bool UseAssign_v = useAssign;
139  //**********************************************************************************************
140 
141  //**Parallel evaluation strategy****************************************************************
143 
149  template< typename VT >
150  static constexpr bool UseSMPAssign_v =
151  ( ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign );
153  //**********************************************************************************************
154 
155  public:
156  //**Type definitions****************************************************************************
162 
165 
168 
170  using LeftOperand = If_t< IsExpression_v<VT1>, const VT1, const VT1& >;
171 
173  using RightOperand = If_t< IsExpression_v<VT2>, const VT2, const VT2& >;
174  //**********************************************************************************************
175 
176  //**ConstIterator class definition**************************************************************
180  {
181  public:
182  //**Type definitions*************************************************************************
183  using IteratorCategory = std::random_access_iterator_tag;
188 
189  // STL iterator requirements
195 
198 
201  //*******************************************************************************************
202 
203  //**Constructor******************************************************************************
210  : left_ ( left ) // Iterator to the current left-hand side element
211  , right_( right ) // Iterator to the current right-hand side element
212  {}
213  //*******************************************************************************************
214 
215  //**Addition assignment operator*************************************************************
222  left_ += inc;
223  right_ += inc;
224  return *this;
225  }
226  //*******************************************************************************************
227 
228  //**Subtraction assignment operator**********************************************************
235  left_ -= dec;
236  right_ -= dec;
237  return *this;
238  }
239  //*******************************************************************************************
240 
241  //**Prefix increment operator****************************************************************
247  ++left_;
248  ++right_;
249  return *this;
250  }
251  //*******************************************************************************************
252 
253  //**Postfix increment operator***************************************************************
259  return ConstIterator( left_++, right_++ );
260  }
261  //*******************************************************************************************
262 
263  //**Prefix decrement operator****************************************************************
269  --left_;
270  --right_;
271  return *this;
272  }
273  //*******************************************************************************************
274 
275  //**Postfix decrement operator***************************************************************
281  return ConstIterator( left_--, right_-- );
282  }
283  //*******************************************************************************************
284 
285  //**Element access operator******************************************************************
291  return (*left_) / (*right_);
292  }
293  //*******************************************************************************************
294 
295  //**Load function****************************************************************************
300  inline auto load() const noexcept {
301  return left_.load() / right_.load();
302  }
303  //*******************************************************************************************
304 
305  //**Equality operator************************************************************************
311  inline BLAZE_DEVICE_CALLABLE bool operator==( const ConstIterator& rhs ) const {
312  return left_ == rhs.left_;
313  }
314  //*******************************************************************************************
315 
316  //**Inequality operator**********************************************************************
322  inline BLAZE_DEVICE_CALLABLE bool operator!=( const ConstIterator& rhs ) const {
323  return left_ != rhs.left_;
324  }
325  //*******************************************************************************************
326 
327  //**Less-than operator***********************************************************************
333  inline BLAZE_DEVICE_CALLABLE bool operator<( const ConstIterator& rhs ) const {
334  return left_ < rhs.left_;
335  }
336  //*******************************************************************************************
337 
338  //**Greater-than operator********************************************************************
344  inline BLAZE_DEVICE_CALLABLE bool operator>( const ConstIterator& rhs ) const {
345  return left_ > rhs.left_;
346  }
347  //*******************************************************************************************
348 
349  //**Less-or-equal-than operator**************************************************************
355  inline BLAZE_DEVICE_CALLABLE bool operator<=( const ConstIterator& rhs ) const {
356  return left_ <= rhs.left_;
357  }
358  //*******************************************************************************************
359 
360  //**Greater-or-equal-than operator***********************************************************
366  inline BLAZE_DEVICE_CALLABLE bool operator>=( const ConstIterator& rhs ) const {
367  return left_ >= rhs.left_;
368  }
369  //*******************************************************************************************
370 
371  //**Subtraction operator*********************************************************************
378  return left_ - rhs.left_;
379  }
380  //*******************************************************************************************
381 
382  //**Addition operator************************************************************************
389  friend inline BLAZE_DEVICE_CALLABLE const ConstIterator operator+( const ConstIterator& it, size_t inc ) {
390  return ConstIterator( it.left_ + inc, it.right_ + inc );
391  }
392  //*******************************************************************************************
393 
394  //**Addition operator************************************************************************
401  friend inline BLAZE_DEVICE_CALLABLE const ConstIterator operator+( size_t inc, const ConstIterator& it ) {
402  return ConstIterator( it.left_ + inc, it.right_ + inc );
403  }
404  //*******************************************************************************************
405 
406  //**Subtraction operator*********************************************************************
413  friend inline BLAZE_DEVICE_CALLABLE const ConstIterator operator-( const ConstIterator& it, size_t dec ) {
414  return ConstIterator( it.left_ - dec, it.right_ - dec );
415  }
416  //*******************************************************************************************
417 
418  private:
419  //**Member variables*************************************************************************
422  //*******************************************************************************************
423  };
424  //**********************************************************************************************
425 
426  //**Compilation flags***************************************************************************
428  static constexpr bool simdEnabled =
429  ( VT1::simdEnabled && VT2::simdEnabled && HasSIMDDiv_v<ET1,ET2> );
430 
432  static constexpr bool smpAssignable = ( VT1::smpAssignable && VT2::smpAssignable );
433  //**********************************************************************************************
434 
435  //**SIMD properties*****************************************************************************
437  static constexpr size_t SIMDSIZE = SIMDTrait<ElementType>::size;
438  //**********************************************************************************************
439 
440  //**Constructor*********************************************************************************
446  explicit inline DVecDVecDivExpr( const VT1& lhs, const VT2& rhs ) noexcept
447  : lhs_( lhs ) // Left-hand side dense vector of the division expression
448  , rhs_( rhs ) // Right-hand side dense vector of the division expression
449  {
450  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
451  }
452  //**********************************************************************************************
453 
454  //**Subscript operator**************************************************************************
460  inline ReturnType operator[]( size_t index ) const {
461  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
462  return lhs_[index] / rhs_[index];
463  }
464  //**********************************************************************************************
465 
466  //**At function*********************************************************************************
473  inline ReturnType at( size_t index ) const {
474  if( index >= lhs_.size() ) {
475  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
476  }
477  return (*this)[index];
478  }
479  //**********************************************************************************************
480 
481  //**Load function*******************************************************************************
487  BLAZE_ALWAYS_INLINE auto load( size_t index ) const noexcept {
488  BLAZE_INTERNAL_ASSERT( index < lhs_.size() , "Invalid vector access index" );
489  BLAZE_INTERNAL_ASSERT( index % SIMDSIZE == 0UL, "Invalid vector access index" );
490  return lhs_.load( index ) / rhs_.load( index );
491  }
492  //**********************************************************************************************
493 
494  //**Begin function******************************************************************************
499  inline ConstIterator begin() const {
500  return ConstIterator( lhs_.begin(), rhs_.begin() );
501  }
502  //**********************************************************************************************
503 
504  //**End function********************************************************************************
509  inline ConstIterator end() const {
510  return ConstIterator( lhs_.end(), rhs_.end() );
511  }
512  //**********************************************************************************************
513 
514  //**Size function*******************************************************************************
519  inline size_t size() const noexcept {
520  return lhs_.size();
521  }
522  //**********************************************************************************************
523 
524  //**Left operand access*************************************************************************
529  inline LeftOperand leftOperand() const noexcept {
530  return lhs_;
531  }
532  //**********************************************************************************************
533 
534  //**Right operand access************************************************************************
539  inline RightOperand rightOperand() const noexcept {
540  return rhs_;
541  }
542  //**********************************************************************************************
543 
544  //**********************************************************************************************
550  template< typename T >
551  inline bool canAlias( const T* alias ) const noexcept {
552  return ( IsExpression_v<VT1> && ( RequiresEvaluation_v<VT1> ? lhs_.isAliased( alias ) : lhs_.canAlias( alias ) ) ) ||
553  ( IsExpression_v<VT2> && ( RequiresEvaluation_v<VT2> ? rhs_.isAliased( alias ) : rhs_.canAlias( alias ) ) );
554  }
555  //**********************************************************************************************
556 
557  //**********************************************************************************************
563  template< typename T >
564  inline bool isAliased( const T* alias ) const noexcept {
565  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
566  }
567  //**********************************************************************************************
568 
569  //**********************************************************************************************
574  inline bool isAligned() const noexcept {
575  return lhs_.isAligned() && rhs_.isAligned();
576  }
577  //**********************************************************************************************
578 
579  //**********************************************************************************************
584  inline bool canSMPAssign() const noexcept {
585  return lhs_.canSMPAssign() || rhs_.canSMPAssign() ||
586  ( size() > SMP_DVECDVECDIV_THRESHOLD );
587  }
588  //**********************************************************************************************
589 
590  private:
591  //**Member variables****************************************************************************
594  //**********************************************************************************************
595 
596  //**Assignment to dense vectors*****************************************************************
610  template< typename VT > // Type of the target dense vector
611  friend inline auto assign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
613  {
615 
616  using ET = ElementType_t<VT>;
617 
621 
622  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
623 
624  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
625  divAssign( ~lhs, rhs.rhs_ );
626  }
627  else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
628  assign ( ~lhs, rhs.lhs_ );
629  divAssign( ~lhs, rhs.rhs_ );
630  }
631  else {
632  const ResultType tmp( serial( rhs ) );
633  assign( ~lhs, tmp );
634  }
635  }
637  //**********************************************************************************************
638 
639  //**Assignment to sparse vectors****************************************************************
653  template< typename VT > // Type of the target sparse vector
654  friend inline auto assign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
656  {
658 
662 
663  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
664 
665  const ResultType tmp( serial( rhs ) );
666  assign( ~lhs, tmp );
667  }
669  //**********************************************************************************************
670 
671  //**Addition assignment to dense vectors********************************************************
685  template< typename VT > // Type of the target dense vector
686  friend inline auto addAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
687  -> EnableIf_t< UseAssign_v<VT> >
688  {
690 
694 
695  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
696 
697  const ResultType tmp( serial( rhs ) );
698  addAssign( ~lhs, tmp );
699  }
701  //**********************************************************************************************
702 
703  //**Addition assignment to sparse vectors*******************************************************
704  // No special implementation for the addition assignment to sparse vectors.
705  //**********************************************************************************************
706 
707  //**Subtraction assignment to dense vectors*****************************************************
721  template< typename VT > // Type of the target dense vector
722  friend inline auto subAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
723  -> EnableIf_t< UseAssign_v<VT> >
724  {
726 
730 
731  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
732 
733  const ResultType tmp( serial( rhs ) );
734  subAssign( ~lhs, tmp );
735  }
737  //**********************************************************************************************
738 
739  //**Subtraction assignment to sparse vectors****************************************************
740  // No special implementation for the subtraction assignment to sparse vectors.
741  //**********************************************************************************************
742 
743  //**Multiplication assignment to dense vectors**************************************************
757  template< typename VT > // Type of the target dense vector
758  friend inline auto multAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
759  -> EnableIf_t< UseAssign_v<VT> >
760  {
762 
766 
767  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
768 
769  const ResultType tmp( serial( rhs ) );
770  multAssign( ~lhs, tmp );
771  }
773  //**********************************************************************************************
774 
775  //**Multiplication assignment to sparse vectors*************************************************
776  // No special implementation for the multiplication assignment to sparse vectors.
777  //**********************************************************************************************
778 
779  //**Division assignment to dense vectors********************************************************
793  template< typename VT > // Type of the target dense vector
794  friend inline auto divAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
795  -> EnableIf_t< UseAssign_v<VT> >
796  {
798 
802 
803  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
804 
805  const ResultType tmp( serial( rhs ) );
806  divAssign( ~lhs, tmp );
807  }
809  //**********************************************************************************************
810 
811  //**Division assignment to sparse vectors*******************************************************
812  // No special implementation for the division assignment to sparse vectors.
813  //**********************************************************************************************
814 
815  //**SMP assignment to dense vectors*************************************************************
829  template< typename VT > // Type of the target dense vector
830  friend inline auto smpAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
831  -> EnableIf_t< UseSMPAssign_v<VT> >
832  {
834 
835  using ET = ElementType_t<VT>;
836 
840 
841  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
842 
843  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
844  smpDivAssign( ~lhs, rhs.rhs_ );
845  }
846  else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
847  smpAssign ( ~lhs, rhs.lhs_ );
848  smpDivAssign( ~lhs, rhs.rhs_ );
849  }
850  else {
851  const ResultType tmp( rhs );
852  smpAssign( ~lhs, tmp );
853  }
854  }
856  //**********************************************************************************************
857 
858  //**SMP assignment to sparse vectors************************************************************
872  template< typename VT > // Type of the target sparse vector
873  friend inline auto smpAssign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
874  -> EnableIf_t< UseSMPAssign_v<VT> >
875  {
877 
881 
882  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
883 
884  const ResultType tmp( rhs );
885  smpAssign( ~lhs, tmp );
886  }
888  //**********************************************************************************************
889 
890  //**SMP addition assignment to dense vectors****************************************************
904  template< typename VT > // Type of the target dense vector
905  friend inline auto smpAddAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
906  -> EnableIf_t< UseSMPAssign_v<VT> >
907  {
909 
913 
914  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
915 
916  const ResultType tmp( rhs );
917  smpAddAssign( ~lhs, tmp );
918  }
920  //**********************************************************************************************
921 
922  //**SMP addition assignment to sparse vectors***************************************************
923  // No special implementation for the SMP addition assignment to sparse vectors.
924  //**********************************************************************************************
925 
926  //**SMP subtraction assignment to dense vectors*************************************************
940  template< typename VT > // Type of the target dense vector
941  friend inline auto smpSubAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
942  -> EnableIf_t< UseSMPAssign_v<VT> >
943  {
945 
949 
950  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
951 
952  const ResultType tmp( rhs );
953  smpSubAssign( ~lhs, tmp );
954  }
956  //**********************************************************************************************
957 
958  //**SMP subtraction assignment to sparse vectors************************************************
959  // No special implementation for the SMP subtraction assignment to sparse vectors.
960  //**********************************************************************************************
961 
962  //**SMP multiplication assignment to dense vectors**********************************************
976  template< typename VT > // Type of the target dense vector
977  friend inline auto smpMultAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
978  -> EnableIf_t< UseSMPAssign_v<VT> >
979  {
981 
985 
986  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
987 
988  const ResultType tmp( rhs );
989  smpMultAssign( ~lhs, tmp );
990  }
992  //**********************************************************************************************
993 
994  //**SMP multiplication assignment to sparse vectors*********************************************
995  // No special implementation for the SMP multiplication assignment to sparse vectors.
996  //**********************************************************************************************
997 
998  //**SMP division assignment to dense vectors****************************************************
1012  template< typename VT > // Type of the target dense vector
1013  friend inline auto smpDivAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
1014  -> EnableIf_t< UseSMPAssign_v<VT> >
1015  {
1017 
1021 
1022  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
1023 
1024  const ResultType tmp( rhs );
1025  smpDivAssign( ~lhs, tmp );
1026  }
1028  //**********************************************************************************************
1029 
1030  //**SMP division assignment to sparse vectors***************************************************
1031  // No special implementation for the SMP division assignment to sparse vectors.
1032  //**********************************************************************************************
1033 
1034  //**Compile time checks*************************************************************************
1042  //**********************************************************************************************
1043 };
1044 //*************************************************************************************************
1045 
1046 
1047 
1048 
1049 //=================================================================================================
1050 //
1051 // GLOBAL BINARY ARITHMETIC OPERATORS
1052 //
1053 //=================================================================================================
1054 
1055 //*************************************************************************************************
1080 template< typename VT1 // Type of the left-hand side dense vector
1081  , typename VT2 // Type of the right-hand side dense vector
1082  , bool TF > // Transpose flag
1083 inline decltype(auto)
1084  operator/( const DenseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
1085 {
1087 
1088  if( (~lhs).size() != (~rhs).size() ) {
1089  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
1090  }
1091 
1092  using ReturnType = const DVecDVecDivExpr<VT1,VT2,TF>;
1093  return ReturnType( ~lhs, ~rhs );
1094 }
1095 //*************************************************************************************************
1096 
1097 
1098 
1099 
1100 //=================================================================================================
1101 //
1102 // ISALIGNED SPECIALIZATIONS
1103 //
1104 //=================================================================================================
1105 
1106 //*************************************************************************************************
1108 template< typename VT1, typename VT2, bool TF >
1109 struct IsAligned< DVecDVecDivExpr<VT1,VT2,TF> >
1110  : public BoolConstant< IsAligned_v<VT1> && IsAligned_v<VT2> >
1111 {};
1113 //*************************************************************************************************
1114 
1115 } // namespace blaze
1116 
1117 #endif
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecDVecDivExpr.h:428
#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.
Header file for auxiliary alias declarations.
ReturnType_t< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:103
Header file for the VecVecDivExpr base class.
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:131
ResultType_t< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:101
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecDivExpr.h:186
BLAZE_DEVICE_CALLABLE ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecDivExpr.h:246
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
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecDivExpr.h:190
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.
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:102
Header file for the IsSame and IsStrictlySame type traits.
ConstIterator_t< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:197
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:499
Iterator over the elements of the dense vector.
Definition: DVecDVecDivExpr.h:179
Header file for the DenseVector base class.
Header file for the Computation base class.
RightOperand rhs_
Right-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:593
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecDivExpr.h:421
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:173
Header file for the RequiresEvaluation type trait.
ReferenceType reference
Reference return type.
Definition: DVecDVecDivExpr.h:193
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
BLAZE_DEVICE_CALLABLE ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecDivExpr.h:209
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:161
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecDivExpr.h:460
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecDivExpr.h:183
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecDivExpr.h:519
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:104
Expression object for dense vector-dense vector divisions.The DVecDVecDivExpr class represents the co...
Definition: DVecDVecDivExpr.h:94
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_DEVICE_CALLABLE ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecDivExpr.h:234
Header file for the IsTemporary type trait class.
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:159
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:437
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecDivExpr.h:420
ElementType * PointerType
Pointer return type.
Definition: DVecDVecDivExpr.h:185
BLAZE_DEVICE_CALLABLE ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecDivExpr.h:268
CompositeType_t< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:105
#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:529
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:160
friend BLAZE_DEVICE_CALLABLE const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:389
Header file for all SIMD functionality.
PointerType pointer
Pointer return type.
Definition: DVecDVecDivExpr.h:192
ConstIterator_t< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:200
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.
friend BLAZE_DEVICE_CALLABLE const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:413
BLAZE_DEVICE_CALLABLE bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:355
Constraint on the data type.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecDivExpr.h:574
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecDivExpr.h:564
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecDivExpr.h:164
Constraint on the data type.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecDivExpr.h:187
Header file for the exception macros of the math module.
BLAZE_DEVICE_CALLABLE bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:344
BLAZE_DEVICE_CALLABLE ReturnType operator *() const
Direct access to the element at the current iterator position.
Definition: DVecDVecDivExpr.h:290
Constraint on the data type.
Header file for the EnableIf class template.
BLAZE_DEVICE_CALLABLE bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:333
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:300
decltype(std::declval< RN1 >()/std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecDivExpr.h:120
ElementType_t< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:107
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecDVecDivExpr.h:432
If_t< useAssign, const ResultType, const DVecDVecDivExpr & > CompositeType
Data type for composite expression templates.
Definition: DVecDVecDivExpr.h:167
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:100
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:117
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:191
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.
If_t< IsExpression_v< VT1 >, const VT1, const VT1 & > LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:170
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.
constexpr size_t size(const Matrix< MT, SO > &matrix) noexcept
Returns the total number of elements of the matrix.
Definition: Matrix.h:530
BLAZE_DEVICE_CALLABLE const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecDivExpr.h:258
BLAZE_DEVICE_CALLABLE const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecDivExpr.h:280
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
IntegralConstant< bool, B > BoolConstant
Generic wrapper for a compile time constant boolean value.The BoolConstant alias template represents ...
Definition: IntegralConstant.h:110
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecDivExpr.h:473
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:487
BLAZE_DEVICE_CALLABLE bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:322
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:584
ElementType_t< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:106
#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:509
LeftOperand lhs_
Left-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:592
Macro for CUDA compatibility.
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
BLAZE_DEVICE_CALLABLE bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:311
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:146
BLAZE_DEVICE_CALLABLE ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecDivExpr.h:221
Header file for the IntegralConstant class template.
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:184
BLAZE_DEVICE_CALLABLE bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:366
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:539
#define BLAZE_DEVICE_CALLABLE
Conditional macro that sets host and device attributes when compiled with CUDA.
Definition: HostDevice.h:94
DVecDVecDivExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecDivExpr class.
Definition: DVecDVecDivExpr.h:446
BLAZE_DEVICE_CALLABLE DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecDivExpr.h:377
friend BLAZE_DEVICE_CALLABLE const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecDivExpr.h:401
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,...
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:551
Header file for the IsExpression type trait class.
Header file for the function trace functionality.