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 <blaze/math/Aliases.h>
49 #include <blaze/math/Exception.h>
55 #include <blaze/math/SIMD.h>
65 #include <blaze/system/Inline.h>
67 #include <blaze/util/Assert.h>
68 #include <blaze/util/EnableIf.h>
70 #include <blaze/util/mpl/And.h>
71 #include <blaze/util/mpl/If.h>
72 #include <blaze/util/mpl/Maximum.h>
73 #include <blaze/util/Types.h>
75 
76 
77 namespace blaze {
78 
79 //=================================================================================================
80 //
81 // CLASS DVECDVECDIVEXPR
82 //
83 //=================================================================================================
84 
85 //*************************************************************************************************
92 template< typename VT1 // Type of the left-hand side dense vector
93  , typename VT2 // Type of the right-hand side dense vector
94  , bool TF > // Transpose flag
96  : public VecVecDivExpr< DenseVector< DVecDVecDivExpr<VT1,VT2,TF>, TF > >
97  , private Computation
98 {
99  private:
100  //**Type definitions****************************************************************************
109  //**********************************************************************************************
110 
111  //**Return type evaluation**********************************************************************
113 
118  enum : bool { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
119 
122  //**********************************************************************************************
123 
124  //**Serial evaluation strategy******************************************************************
126 
132  enum : bool { useAssign = ( RequiresEvaluation<VT1>::value || RequiresEvaluation<VT2>::value || !returnExpr ) };
133 
135  template< typename VT >
137  struct UseAssign {
138  enum : bool { value = useAssign };
139  };
141  //**********************************************************************************************
142 
143  //**Parallel evaluation strategy****************************************************************
145 
151  template< typename VT >
152  struct UseSMPAssign {
153  enum : bool { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign };
154  };
156  //**********************************************************************************************
157 
158  public:
159  //**Type definitions****************************************************************************
164 
167 
170 
172  using LeftOperand = If_< IsExpression<VT1>, const VT1, const VT1& >;
173 
175  using RightOperand = If_< IsExpression<VT2>, const VT2, const VT2& >;
176  //**********************************************************************************************
177 
178  //**ConstIterator class definition**************************************************************
182  {
183  public:
184  //**Type definitions*************************************************************************
185  using IteratorCategory = std::random_access_iterator_tag;
190 
191  // STL iterator requirements
197 
200 
203  //*******************************************************************************************
204 
205  //**Constructor******************************************************************************
211  explicit inline ConstIterator( LeftIteratorType left, RightIteratorType right )
212  : left_ ( left ) // Iterator to the current left-hand side element
213  , right_( right ) // Iterator to the current right-hand side element
214  {}
215  //*******************************************************************************************
216 
217  //**Addition assignment operator*************************************************************
223  inline ConstIterator& operator+=( size_t inc ) {
224  left_ += inc;
225  right_ += inc;
226  return *this;
227  }
228  //*******************************************************************************************
229 
230  //**Subtraction assignment operator**********************************************************
236  inline ConstIterator& operator-=( size_t dec ) {
237  left_ -= dec;
238  right_ -= dec;
239  return *this;
240  }
241  //*******************************************************************************************
242 
243  //**Prefix increment operator****************************************************************
249  ++left_;
250  ++right_;
251  return *this;
252  }
253  //*******************************************************************************************
254 
255  //**Postfix increment operator***************************************************************
260  inline const ConstIterator operator++( int ) {
261  return ConstIterator( left_++, right_++ );
262  }
263  //*******************************************************************************************
264 
265  //**Prefix decrement operator****************************************************************
271  --left_;
272  --right_;
273  return *this;
274  }
275  //*******************************************************************************************
276 
277  //**Postfix decrement operator***************************************************************
282  inline const ConstIterator operator--( int ) {
283  return ConstIterator( left_--, right_-- );
284  }
285  //*******************************************************************************************
286 
287  //**Element access operator******************************************************************
292  inline ReturnType operator*() const {
293  return (*left_) / (*right_);
294  }
295  //*******************************************************************************************
296 
297  //**Load function****************************************************************************
302  inline auto load() const noexcept {
303  return left_.load() / right_.load();
304  }
305  //*******************************************************************************************
306 
307  //**Equality operator************************************************************************
313  inline bool operator==( const ConstIterator& rhs ) const {
314  return left_ == rhs.left_;
315  }
316  //*******************************************************************************************
317 
318  //**Inequality operator**********************************************************************
324  inline bool operator!=( const ConstIterator& rhs ) const {
325  return left_ != rhs.left_;
326  }
327  //*******************************************************************************************
328 
329  //**Less-than operator***********************************************************************
335  inline bool operator<( const ConstIterator& rhs ) const {
336  return left_ < rhs.left_;
337  }
338  //*******************************************************************************************
339 
340  //**Greater-than operator********************************************************************
346  inline bool operator>( const ConstIterator& rhs ) const {
347  return left_ > rhs.left_;
348  }
349  //*******************************************************************************************
350 
351  //**Less-or-equal-than operator**************************************************************
357  inline bool operator<=( const ConstIterator& rhs ) const {
358  return left_ <= rhs.left_;
359  }
360  //*******************************************************************************************
361 
362  //**Greater-or-equal-than operator***********************************************************
368  inline bool operator>=( const ConstIterator& rhs ) const {
369  return left_ >= rhs.left_;
370  }
371  //*******************************************************************************************
372 
373  //**Subtraction operator*********************************************************************
379  inline DifferenceType operator-( const ConstIterator& rhs ) const {
380  return left_ - rhs.left_;
381  }
382  //*******************************************************************************************
383 
384  //**Addition operator************************************************************************
391  friend inline const ConstIterator operator+( const ConstIterator& it, size_t inc ) {
392  return ConstIterator( it.left_ + inc, it.right_ + inc );
393  }
394  //*******************************************************************************************
395 
396  //**Addition operator************************************************************************
403  friend inline const ConstIterator operator+( size_t inc, const ConstIterator& it ) {
404  return ConstIterator( it.left_ + inc, it.right_ + inc );
405  }
406  //*******************************************************************************************
407 
408  //**Subtraction operator*********************************************************************
415  friend inline const ConstIterator operator-( const ConstIterator& it, size_t dec ) {
416  return ConstIterator( it.left_ - dec, it.right_ - dec );
417  }
418  //*******************************************************************************************
419 
420  private:
421  //**Member variables*************************************************************************
424  //*******************************************************************************************
425  };
426  //**********************************************************************************************
427 
428  //**Compilation flags***************************************************************************
430  enum : bool { simdEnabled = VT1::simdEnabled && VT2::simdEnabled &&
432 
434  enum : bool { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
435  //**********************************************************************************************
436 
437  //**SIMD properties*****************************************************************************
439  enum : size_t { SIMDSIZE = SIMDTrait<ElementType>::size };
440  //**********************************************************************************************
441 
442  //**Constructor*********************************************************************************
448  explicit inline DVecDVecDivExpr( const VT1& lhs, const VT2& rhs ) noexcept
449  : lhs_( lhs ) // Left-hand side dense vector of the division expression
450  , rhs_( rhs ) // Right-hand side dense vector of the division expression
451  {
452  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
453  }
454  //**********************************************************************************************
455 
456  //**Subscript operator**************************************************************************
462  inline ReturnType operator[]( size_t index ) const {
463  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
464  return lhs_[index] / rhs_[index];
465  }
466  //**********************************************************************************************
467 
468  //**At function*********************************************************************************
475  inline ReturnType at( size_t index ) const {
476  if( index >= lhs_.size() ) {
477  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
478  }
479  return (*this)[index];
480  }
481  //**********************************************************************************************
482 
483  //**Load function*******************************************************************************
489  BLAZE_ALWAYS_INLINE auto load( size_t index ) const noexcept {
490  BLAZE_INTERNAL_ASSERT( index < lhs_.size() , "Invalid vector access index" );
491  BLAZE_INTERNAL_ASSERT( index % SIMDSIZE == 0UL, "Invalid vector access index" );
492  return lhs_.load( index ) / rhs_.load( index );
493  }
494  //**********************************************************************************************
495 
496  //**Begin function******************************************************************************
501  inline ConstIterator begin() const {
502  return ConstIterator( lhs_.begin(), rhs_.begin() );
503  }
504  //**********************************************************************************************
505 
506  //**End function********************************************************************************
511  inline ConstIterator end() const {
512  return ConstIterator( lhs_.end(), rhs_.end() );
513  }
514  //**********************************************************************************************
515 
516  //**Size function*******************************************************************************
521  inline size_t size() const noexcept {
522  return lhs_.size();
523  }
524  //**********************************************************************************************
525 
526  //**Left operand access*************************************************************************
531  inline LeftOperand leftOperand() const noexcept {
532  return lhs_;
533  }
534  //**********************************************************************************************
535 
536  //**Right operand access************************************************************************
541  inline RightOperand rightOperand() const noexcept {
542  return rhs_;
543  }
544  //**********************************************************************************************
545 
546  //**********************************************************************************************
552  template< typename T >
553  inline bool canAlias( const T* alias ) const noexcept {
554  return ( IsExpression<VT1>::value && ( RequiresEvaluation<VT1>::value ? lhs_.isAliased( alias ) : lhs_.canAlias( alias ) ) ) ||
555  ( IsExpression<VT2>::value && ( RequiresEvaluation<VT2>::value ? rhs_.isAliased( alias ) : rhs_.canAlias( alias ) ) );
556  }
557  //**********************************************************************************************
558 
559  //**********************************************************************************************
565  template< typename T >
566  inline bool isAliased( const T* alias ) const noexcept {
567  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
568  }
569  //**********************************************************************************************
570 
571  //**********************************************************************************************
576  inline bool isAligned() const noexcept {
577  return lhs_.isAligned() && rhs_.isAligned();
578  }
579  //**********************************************************************************************
580 
581  //**********************************************************************************************
586  inline bool canSMPAssign() const noexcept {
587  return lhs_.canSMPAssign() || rhs_.canSMPAssign() ||
588  ( size() > SMP_DVECDVECDIV_THRESHOLD );
589  }
590  //**********************************************************************************************
591 
592  private:
593  //**Member variables****************************************************************************
596  //**********************************************************************************************
597 
598  //**Assignment to dense vectors*****************************************************************
612  template< typename VT > // Type of the target dense vector
613  friend inline EnableIf_< UseAssign<VT> >
614  assign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
615  {
617 
618  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
619 
620  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
621  divAssign( ~lhs, rhs.rhs_ );
622  }
624  assign ( ~lhs, rhs.lhs_ );
625  divAssign( ~lhs, rhs.rhs_ );
626  }
627  else {
628  const ResultType tmp( serial( rhs ) );
629  assign( ~lhs, tmp );
630  }
631  }
633  //**********************************************************************************************
634 
635  //**Assignment to sparse vectors****************************************************************
649  template< typename VT > // Type of the target sparse vector
650  friend inline EnableIf_< UseAssign<VT> >
651  assign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
652  {
654 
658 
659  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
660 
661  const ResultType tmp( serial( rhs ) );
662  assign( ~lhs, tmp );
663  }
665  //**********************************************************************************************
666 
667  //**Addition assignment to dense vectors********************************************************
681  template< typename VT > // Type of the target dense vector
682  friend inline EnableIf_< UseAssign<VT> >
683  addAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
684  {
686 
690 
691  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
692 
693  const ResultType tmp( serial( rhs ) );
694  addAssign( ~lhs, tmp );
695  }
697  //**********************************************************************************************
698 
699  //**Addition assignment to sparse vectors*******************************************************
700  // No special implementation for the addition assignment to sparse vectors.
701  //**********************************************************************************************
702 
703  //**Subtraction assignment to dense vectors*****************************************************
717  template< typename VT > // Type of the target dense vector
718  friend inline EnableIf_< UseAssign<VT> >
719  subAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
720  {
722 
726 
727  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
728 
729  const ResultType tmp( serial( rhs ) );
730  subAssign( ~lhs, tmp );
731  }
733  //**********************************************************************************************
734 
735  //**Subtraction assignment to sparse vectors****************************************************
736  // No special implementation for the subtraction assignment to sparse vectors.
737  //**********************************************************************************************
738 
739  //**Multiplication assignment to dense vectors**************************************************
753  template< typename VT > // Type of the target dense vector
754  friend inline EnableIf_< UseAssign<VT> >
755  multAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
756  {
758 
762 
763  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
764 
765  const ResultType tmp( serial( rhs ) );
766  multAssign( ~lhs, tmp );
767  }
769  //**********************************************************************************************
770 
771  //**Multiplication assignment to sparse vectors*************************************************
772  // No special implementation for the multiplication assignment to sparse vectors.
773  //**********************************************************************************************
774 
775  //**Division assignment to dense vectors********************************************************
789  template< typename VT > // Type of the target dense vector
790  friend inline EnableIf_< UseAssign<VT> >
791  divAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
792  {
794 
798 
799  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
800 
801  const ResultType tmp( serial( rhs ) );
802  divAssign( ~lhs, tmp );
803  }
805  //**********************************************************************************************
806 
807  //**Division assignment to sparse vectors*******************************************************
808  // No special implementation for the division assignment to sparse vectors.
809  //**********************************************************************************************
810 
811  //**SMP assignment to dense vectors*************************************************************
825  template< typename VT > // Type of the target dense vector
826  friend inline EnableIf_< UseSMPAssign<VT> >
827  smpAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
828  {
830 
831  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
832 
833  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
834  smpDivAssign( ~lhs, rhs.rhs_ );
835  }
837  smpAssign ( ~lhs, rhs.lhs_ );
838  smpDivAssign( ~lhs, rhs.rhs_ );
839  }
840  else {
841  const ResultType tmp( rhs );
842  smpAssign( ~lhs, tmp );
843  }
844  }
846  //**********************************************************************************************
847 
848  //**SMP assignment to sparse vectors************************************************************
862  template< typename VT > // Type of the target sparse vector
863  friend inline EnableIf_< UseSMPAssign<VT> >
864  smpAssign( SparseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
865  {
867 
871 
872  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
873 
874  const ResultType tmp( rhs );
875  smpAssign( ~lhs, tmp );
876  }
878  //**********************************************************************************************
879 
880  //**SMP addition assignment to dense vectors****************************************************
894  template< typename VT > // Type of the target dense vector
895  friend inline EnableIf_< UseSMPAssign<VT> >
897  {
899 
903 
904  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
905 
906  const ResultType tmp( rhs );
907  smpAddAssign( ~lhs, tmp );
908  }
910  //**********************************************************************************************
911 
912  //**SMP addition assignment to sparse vectors***************************************************
913  // No special implementation for the SMP addition assignment to sparse vectors.
914  //**********************************************************************************************
915 
916  //**SMP subtraction assignment to dense vectors*************************************************
930  template< typename VT > // Type of the target dense vector
931  friend inline EnableIf_< UseSMPAssign<VT> >
933  {
935 
939 
940  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
941 
942  const ResultType tmp( rhs );
943  smpSubAssign( ~lhs, tmp );
944  }
946  //**********************************************************************************************
947 
948  //**SMP subtraction assignment to sparse vectors************************************************
949  // No special implementation for the SMP subtraction assignment to sparse vectors.
950  //**********************************************************************************************
951 
952  //**SMP multiplication assignment to dense vectors**********************************************
966  template< typename VT > // Type of the target dense vector
967  friend inline EnableIf_< UseSMPAssign<VT> >
969  {
971 
975 
976  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
977 
978  const ResultType tmp( rhs );
979  smpMultAssign( ~lhs, tmp );
980  }
982  //**********************************************************************************************
983 
984  //**SMP multiplication assignment to sparse vectors*********************************************
985  // No special implementation for the SMP multiplication assignment to sparse vectors.
986  //**********************************************************************************************
987 
988  //**SMP division assignment to dense vectors****************************************************
1002  template< typename VT > // Type of the target dense vector
1003  friend inline EnableIf_< UseSMPAssign<VT> >
1004  smpDivAssign( DenseVector<VT,TF>& lhs, const DVecDVecDivExpr& rhs )
1005  {
1007 
1011 
1012  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
1013 
1014  const ResultType tmp( rhs );
1015  smpDivAssign( ~lhs, tmp );
1016  }
1018  //**********************************************************************************************
1019 
1020  //**SMP division assignment to sparse vectors***************************************************
1021  // No special implementation for the SMP division assignment to sparse vectors.
1022  //**********************************************************************************************
1023 
1024  //**Compile time checks*************************************************************************
1032  //**********************************************************************************************
1033 };
1034 //*************************************************************************************************
1035 
1036 
1037 
1038 
1039 //=================================================================================================
1040 //
1041 // GLOBAL BINARY ARITHMETIC OPERATORS
1042 //
1043 //=================================================================================================
1044 
1045 //*************************************************************************************************
1070 template< typename VT1 // Type of the left-hand side dense vector
1071  , typename VT2 // Type of the right-hand side dense vector
1072  , bool TF > // Transpose flag
1073 inline decltype(auto)
1074  operator/( const DenseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
1075 {
1077 
1078  if( (~lhs).size() != (~rhs).size() ) {
1079  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
1080  }
1081 
1083  return ReturnType( ~lhs, ~rhs );
1084 }
1085 //*************************************************************************************************
1086 
1087 
1088 
1089 
1090 //=================================================================================================
1091 //
1092 // SIZE SPECIALIZATIONS
1093 //
1094 //=================================================================================================
1095 
1096 //*************************************************************************************************
1098 template< typename VT1, typename VT2, bool TF >
1099 struct Size< DVecDVecDivExpr<VT1,VT2,TF>, 0UL >
1100  : public Maximum< Size<VT1,0UL>, Size<VT2,0UL> >
1101 {};
1103 //*************************************************************************************************
1104 
1105 
1106 
1107 
1108 //=================================================================================================
1109 //
1110 // ISALIGNED SPECIALIZATIONS
1111 //
1112 //=================================================================================================
1113 
1114 //*************************************************************************************************
1116 template< typename VT1, typename VT2, bool TF >
1117 struct IsAligned< DVecDVecDivExpr<VT1,VT2,TF> >
1118  : public And< IsAligned<VT1>, IsAligned<VT2> >
1119 {};
1121 //*************************************************************************************************
1122 
1123 } // namespace blaze
1124 
1125 #endif
#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:346
Header file for auxiliary alias declarations.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:71
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:69
Header file for the VecVecDivExpr base class.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecDivExpr.h:379
BLAZE_ALWAYS_INLINE 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:949
Header file for basic type definitions.
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecDivExpr.h:188
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecDivExpr.h:192
EnableIf_< IsDenseMatrix< MT1 > > smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:164
Header file for the serial shim.
Header file for the IsSame and IsStrictlySame type traits.
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:106
ResultType_< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:101
IfTrue_< useAssign, const ResultType, const DVecDVecDivExpr &> CompositeType
Data type for composite expression templates.
Definition: DVecDVecDivExpr.h:169
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:335
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:501
EnableIf_< IsDenseVector< VT1 > > smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:193
Iterator over the elements of the dense vector.
Definition: DVecDVecDivExpr.h:181
Header file for the And class template.
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
Header file for the DenseVector base class.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:313
Header file for the Computation base class.
Type relationship analysis.This class tests if the two data types A and B are equal. For this type comparison, the cv-qualifiers of both data types are ignored. If A and B are the same data type (ignoring the cv-qualifiers), then the value member constant is set to true, the nested type definition Type is TrueType, and the class derives from TrueType. Otherwise value is set to false, Type is FalseType, and the class derives from FalseType.
Definition: IsSame.h:140
RightOperand rhs_
Right-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:595
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecDivExpr.h:423
Constraint on the data type.
Header file for the RequiresEvaluation type trait.
ReferenceType reference
Reference return type.
Definition: DVecDVecDivExpr.h:195
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
EnableIf_< IsDenseMatrix< MT1 > > smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:133
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:368
ElementType_< ResultType > ElementType
Resulting element type.
Definition: DVecDVecDivExpr.h:163
ReturnType_< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:103
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecDivExpr.h:462
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:175
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecDivExpr.h:185
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecDivExpr.h:521
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecDivExpr.h:162
Header file for the DivExprTrait class template.
DivExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecDivExpr.h:121
Expression object for dense vector-dense vector divisions.The DVecDVecDivExpr class represents the co...
Definition: DVecDVecDivExpr.h:95
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:357
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:104
Compile time check for the alignment of data types.This type trait tests whether the given data type ...
Definition: IsAligned.h:87
Header file for the Maximum class template.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:71
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecDivExpr.h:270
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecDivExpr.h:260
Header file for the IsTemporary type trait class.
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecDivExpr.h:282
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
Header file for the If class template.
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecDivExpr.h:422
ElementType * PointerType
Pointer return type.
Definition: DVecDVecDivExpr.h:187
EnableIf_< IsDenseMatrix< MT1 > > smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:102
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:102
#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:531
Base class for all vector/vector division expression templates.The VecVecDivExpr class serves as a ta...
Definition: VecVecDivExpr.h:66
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3085
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:391
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
Header file for all SIMD functionality.
PointerType pointer
Pointer return type.
Definition: DVecDVecDivExpr.h:194
Availability of a SIMD division for the given data types.Depending on the available instruction set (...
Definition: HasSIMDDiv.h:150
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:236
Constraint on the data type.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecDivExpr.h:576
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecDivExpr.h:566
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:324
CompositeType_< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:105
Constraint on the data type.
Header file for the exception macros of the math module.
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecDivExpr.h:166
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:172
Constraint on the data type.
Header file for all forward declarations for expression class templates.
ElementType_< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:107
Header file for the EnableIf class template.
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:302
typename DivTrait< T1, T2 >::Type DivTrait_
Auxiliary alias declaration for the DivTrait class template.The DivTrait_ alias declaration provides ...
Definition: DivTrait.h:292
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:415
Header file for run time assertion macros.
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:193
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:403
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
ConstIterator_< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:199
DivTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecDivExpr.h:161
EnableIf_< IsDenseVector< VT1 > > smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:222
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecDivExpr.h:223
SIMD characteristics of data types.The SIMDTrait class template provides the SIMD characteristics of ...
Definition: SIMDTrait.h:296
#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
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:816
#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:248
ElementType_< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:108
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecDivExpr.h:475
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:489
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecDivExpr.h:586
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3080
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
#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:511
LeftOperand lhs_
Left-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:594
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:108
Header file for the IsComputation type trait class.
typename DivExprTrait< T1, T2 >::Type DivExprTrait_
Auxiliary alias declaration for the DivExprTrait class template.The DivExprTrait_ alias declaration p...
Definition: DivExprTrait.h:112
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Compile time evaluation of the size of vectors and matrices.The Size type trait evaluates the size of...
Definition: Size.h:80
ConstIterator_< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:202
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecDivExpr.h:211
Compile time logical &#39;and&#39; evaluation.The And alias declaration performs at compile time a logical &#39;a...
Definition: And.h:76
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:186
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:541
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
DVecDVecDivExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecDivExpr class.
Definition: DVecDVecDivExpr.h:448
System settings for the inline keywords.
Header file for the Size type trait.
#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
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:95
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecDivExpr.h:553
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:292