DVecDVecAddExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECADDEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECADDEXPR_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>
66 #include <blaze/system/Inline.h>
68 #include <blaze/util/Assert.h>
71 #include <blaze/util/EnableIf.h>
73 #include <blaze/util/mpl/And.h>
74 #include <blaze/util/mpl/If.h>
75 #include <blaze/util/mpl/Maximum.h>
76 #include <blaze/util/Types.h>
77 
78 
79 namespace blaze {
80 
81 //=================================================================================================
82 //
83 // CLASS DVECDVECADDEXPR
84 //
85 //=================================================================================================
86 
87 //*************************************************************************************************
94 template< typename VT1 // Type of the left-hand side dense vector
95  , typename VT2 // Type of the right-hand side dense vector
96  , bool TF > // Transpose flag
98  : public VecVecAddExpr< DenseVector< DVecDVecAddExpr<VT1,VT2,TF>, TF > >
99  , private Computation
100 {
101  private:
102  //**Type definitions****************************************************************************
111  //**********************************************************************************************
112 
113  //**Return type evaluation**********************************************************************
115 
120  enum : bool { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
121 
124  //**********************************************************************************************
125 
126  //**Serial evaluation strategy******************************************************************
128 
134  enum : bool { useAssign = ( RequiresEvaluation<VT1>::value || RequiresEvaluation<VT2>::value || !returnExpr ) };
135 
137  template< typename VT >
139  struct UseAssign {
140  enum : bool { value = useAssign };
141  };
143  //**********************************************************************************************
144 
145  //**Parallel evaluation strategy****************************************************************
147 
153  template< typename VT >
154  struct UseSMPAssign {
155  enum : bool { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign };
156  };
158  //**********************************************************************************************
159 
160  public:
161  //**Type definitions****************************************************************************
166 
169 
172 
174  using LeftOperand = If_< IsExpression<VT1>, const VT1, const VT1& >;
175 
177  using RightOperand = If_< IsExpression<VT2>, const VT2, const VT2& >;
178  //**********************************************************************************************
179 
180  //**ConstIterator class definition**************************************************************
184  {
185  public:
186  //**Type definitions*************************************************************************
187  using IteratorCategory = std::random_access_iterator_tag;
192 
193  // STL iterator requirements
199 
202 
205  //*******************************************************************************************
206 
207  //**Constructor******************************************************************************
213  explicit inline ConstIterator( LeftIteratorType left, RightIteratorType right )
214  : left_ ( left ) // Iterator to the current left-hand side element
215  , right_( right ) // Iterator to the current right-hand side element
216  {}
217  //*******************************************************************************************
218 
219  //**Addition assignment operator*************************************************************
225  inline ConstIterator& operator+=( size_t inc ) {
226  left_ += inc;
227  right_ += inc;
228  return *this;
229  }
230  //*******************************************************************************************
231 
232  //**Subtraction assignment operator**********************************************************
238  inline ConstIterator& operator-=( size_t dec ) {
239  left_ -= dec;
240  right_ -= dec;
241  return *this;
242  }
243  //*******************************************************************************************
244 
245  //**Prefix increment operator****************************************************************
251  ++left_;
252  ++right_;
253  return *this;
254  }
255  //*******************************************************************************************
256 
257  //**Postfix increment operator***************************************************************
262  inline const ConstIterator operator++( int ) {
263  return ConstIterator( left_++, right_++ );
264  }
265  //*******************************************************************************************
266 
267  //**Prefix decrement operator****************************************************************
273  --left_;
274  --right_;
275  return *this;
276  }
277  //*******************************************************************************************
278 
279  //**Postfix decrement operator***************************************************************
284  inline const ConstIterator operator--( int ) {
285  return ConstIterator( left_--, right_-- );
286  }
287  //*******************************************************************************************
288 
289  //**Element access operator******************************************************************
294  inline ReturnType operator*() const {
295  return (*left_) + (*right_);
296  }
297  //*******************************************************************************************
298 
299  //**Load function****************************************************************************
304  inline auto load() const noexcept {
305  return left_.load() + right_.load();
306  }
307  //*******************************************************************************************
308 
309  //**Equality operator************************************************************************
315  inline bool operator==( const ConstIterator& rhs ) const {
316  return left_ == rhs.left_;
317  }
318  //*******************************************************************************************
319 
320  //**Inequality operator**********************************************************************
326  inline bool operator!=( const ConstIterator& rhs ) const {
327  return left_ != rhs.left_;
328  }
329  //*******************************************************************************************
330 
331  //**Less-than operator***********************************************************************
337  inline bool operator<( const ConstIterator& rhs ) const {
338  return left_ < rhs.left_;
339  }
340  //*******************************************************************************************
341 
342  //**Greater-than operator********************************************************************
348  inline bool operator>( const ConstIterator& rhs ) const {
349  return left_ > rhs.left_;
350  }
351  //*******************************************************************************************
352 
353  //**Less-or-equal-than operator**************************************************************
359  inline bool operator<=( const ConstIterator& rhs ) const {
360  return left_ <= rhs.left_;
361  }
362  //*******************************************************************************************
363 
364  //**Greater-or-equal-than operator***********************************************************
370  inline bool operator>=( const ConstIterator& rhs ) const {
371  return left_ >= rhs.left_;
372  }
373  //*******************************************************************************************
374 
375  //**Subtraction operator*********************************************************************
381  inline DifferenceType operator-( const ConstIterator& rhs ) const {
382  return left_ - rhs.left_;
383  }
384  //*******************************************************************************************
385 
386  //**Addition operator************************************************************************
393  friend inline const ConstIterator operator+( const ConstIterator& it, size_t inc ) {
394  return ConstIterator( it.left_ + inc, it.right_ + inc );
395  }
396  //*******************************************************************************************
397 
398  //**Addition operator************************************************************************
405  friend inline const ConstIterator operator+( size_t inc, const ConstIterator& it ) {
406  return ConstIterator( it.left_ + inc, it.right_ + inc );
407  }
408  //*******************************************************************************************
409 
410  //**Subtraction operator*********************************************************************
417  friend inline const ConstIterator operator-( const ConstIterator& it, size_t dec ) {
418  return ConstIterator( it.left_ - dec, it.right_ - dec );
419  }
420  //*******************************************************************************************
421 
422  private:
423  //**Member variables*************************************************************************
426  //*******************************************************************************************
427  };
428  //**********************************************************************************************
429 
430  //**Compilation flags***************************************************************************
432  enum : bool { simdEnabled = VT1::simdEnabled && VT2::simdEnabled &&
434 
436  enum : bool { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
437  //**********************************************************************************************
438 
439  //**SIMD properties*****************************************************************************
441  enum : size_t { SIMDSIZE = SIMDTrait<ElementType>::size };
442  //**********************************************************************************************
443 
444  //**Constructor*********************************************************************************
450  explicit inline DVecDVecAddExpr( const VT1& lhs, const VT2& rhs ) noexcept
451  : lhs_( lhs ) // Left-hand side dense vector of the addition expression
452  , rhs_( rhs ) // Right-hand side dense vector of the addition expression
453  {
454  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
455  }
456  //**********************************************************************************************
457 
458  //**Subscript operator**************************************************************************
464  inline ReturnType operator[]( size_t index ) const {
465  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
466  return lhs_[index] + rhs_[index];
467  }
468  //**********************************************************************************************
469 
470  //**At function*********************************************************************************
477  inline ReturnType at( size_t index ) const {
478  if( index >= lhs_.size() ) {
479  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
480  }
481  return (*this)[index];
482  }
483  //**********************************************************************************************
484 
485  //**Load function*******************************************************************************
491  BLAZE_ALWAYS_INLINE auto load( size_t index ) const noexcept {
492  BLAZE_INTERNAL_ASSERT( index < lhs_.size() , "Invalid vector access index" );
493  BLAZE_INTERNAL_ASSERT( index % SIMDSIZE == 0UL, "Invalid vector access index" );
494  return lhs_.load( index ) + rhs_.load( index );
495  }
496  //**********************************************************************************************
497 
498  //**Begin function******************************************************************************
503  inline ConstIterator begin() const {
504  return ConstIterator( lhs_.begin(), rhs_.begin() );
505  }
506  //**********************************************************************************************
507 
508  //**End function********************************************************************************
513  inline ConstIterator end() const {
514  return ConstIterator( lhs_.end(), rhs_.end() );
515  }
516  //**********************************************************************************************
517 
518  //**Size function*******************************************************************************
523  inline size_t size() const noexcept {
524  return lhs_.size();
525  }
526  //**********************************************************************************************
527 
528  //**Left operand access*************************************************************************
533  inline LeftOperand leftOperand() const noexcept {
534  return lhs_;
535  }
536  //**********************************************************************************************
537 
538  //**Right operand access************************************************************************
543  inline RightOperand rightOperand() const noexcept {
544  return rhs_;
545  }
546  //**********************************************************************************************
547 
548  //**********************************************************************************************
554  template< typename T >
555  inline bool canAlias( const T* alias ) const noexcept {
556  return ( IsExpression<VT1>::value && ( RequiresEvaluation<VT1>::value ? lhs_.isAliased( alias ) : lhs_.canAlias( alias ) ) ) ||
557  ( IsExpression<VT2>::value && ( RequiresEvaluation<VT2>::value ? rhs_.isAliased( alias ) : rhs_.canAlias( alias ) ) );
558  }
559  //**********************************************************************************************
560 
561  //**********************************************************************************************
567  template< typename T >
568  inline bool isAliased( const T* alias ) const noexcept {
569  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
570  }
571  //**********************************************************************************************
572 
573  //**********************************************************************************************
578  inline bool isAligned() const noexcept {
579  return lhs_.isAligned() && rhs_.isAligned();
580  }
581  //**********************************************************************************************
582 
583  //**********************************************************************************************
588  inline bool canSMPAssign() const noexcept {
589  return lhs_.canSMPAssign() || rhs_.canSMPAssign() ||
590  ( size() > SMP_DVECDVECADD_THRESHOLD );
591  }
592  //**********************************************************************************************
593 
594  private:
595  //**Member variables****************************************************************************
598  //**********************************************************************************************
599 
600  //**Assignment to dense vectors*****************************************************************
614  template< typename VT > // Type of the target dense vector
615  friend inline EnableIf_< UseAssign<VT> >
616  assign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
617  {
619 
620  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
621 
622  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
623  addAssign( ~lhs, rhs.rhs_ );
624  }
625  else if( !IsComputation<VT2>::value && isSame( ~lhs, rhs.rhs_ ) ) {
626  addAssign( ~lhs, rhs.lhs_ );
627  }
628  else {
629  assign ( ~lhs, rhs.lhs_ );
630  addAssign( ~lhs, rhs.rhs_ );
631  }
632  }
634  //**********************************************************************************************
635 
636  //**Assignment to sparse vectors****************************************************************
650  template< typename VT > // Type of the target sparse vector
651  friend inline EnableIf_< UseAssign<VT> >
652  assign( SparseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
653  {
655 
659 
660  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
661 
662  const ResultType tmp( serial( rhs ) );
663  assign( ~lhs, tmp );
664  }
666  //**********************************************************************************************
667 
668  //**Addition assignment to dense vectors********************************************************
682  template< typename VT > // Type of the target dense vector
683  friend inline EnableIf_< UseAssign<VT> >
684  addAssign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
685  {
687 
688  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
689 
690  addAssign( ~lhs, rhs.lhs_ );
691  addAssign( ~lhs, rhs.rhs_ );
692  }
694  //**********************************************************************************************
695 
696  //**Addition assignment to sparse vectors*******************************************************
697  // No special implementation for the addition assignment to sparse vectors.
698  //**********************************************************************************************
699 
700  //**Subtraction assignment to dense vectors*****************************************************
714  template< typename VT > // Type of the target dense vector
715  friend inline EnableIf_< UseAssign<VT> >
716  subAssign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
717  {
719 
720  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
721 
722  subAssign( ~lhs, rhs.lhs_ );
723  subAssign( ~lhs, rhs.rhs_ );
724  }
726  //**********************************************************************************************
727 
728  //**Subtraction assignment to sparse vectors****************************************************
729  // No special implementation for the subtraction assignment to sparse vectors.
730  //**********************************************************************************************
731 
732  //**Multiplication assignment to dense vectors**************************************************
746  template< typename VT > // Type of the target dense vector
747  friend inline EnableIf_< UseAssign<VT> >
748  multAssign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
749  {
751 
755 
756  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
757 
758  const ResultType tmp( serial( rhs ) );
759  multAssign( ~lhs, tmp );
760  }
762  //**********************************************************************************************
763 
764  //**Multiplication assignment to sparse vectors*************************************************
765  // No special implementation for the multiplication assignment to sparse vectors.
766  //**********************************************************************************************
767 
768  //**Division assignment to dense vectors********************************************************
782  template< typename VT > // Type of the target dense vector
783  friend inline EnableIf_< UseAssign<VT> >
784  divAssign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
785  {
787 
791 
792  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
793 
794  const ResultType tmp( serial( rhs ) );
795  divAssign( ~lhs, tmp );
796  }
798  //**********************************************************************************************
799 
800  //**Division assignment to sparse vectors*******************************************************
801  // No special implementation for the division assignment to sparse vectors.
802  //**********************************************************************************************
803 
804  //**SMP assignment to dense vectors*************************************************************
818  template< typename VT > // Type of the target dense vector
819  friend inline EnableIf_< UseSMPAssign<VT> >
820  smpAssign( DenseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
821  {
823 
824  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
825 
826  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
827  smpAddAssign( ~lhs, rhs.rhs_ );
828  }
829  else if( !IsComputation<VT2>::value && isSame( ~lhs, rhs.rhs_ ) ) {
830  smpAddAssign( ~lhs, rhs.lhs_ );
831  }
832  else {
833  smpAssign ( ~lhs, rhs.lhs_ );
834  smpAddAssign( ~lhs, rhs.rhs_ );
835  }
836  }
838  //**********************************************************************************************
839 
840  //**SMP assignment to sparse vectors************************************************************
854  template< typename VT > // Type of the target sparse vector
855  friend inline EnableIf_< UseSMPAssign<VT> >
856  smpAssign( SparseVector<VT,TF>& lhs, const DVecDVecAddExpr& rhs )
857  {
859 
863 
864  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
865 
866  const ResultType tmp( rhs );
867  smpAssign( ~lhs, tmp );
868  }
870  //**********************************************************************************************
871 
872  //**SMP addition assignment to dense vectors****************************************************
886  template< typename VT > // Type of the target dense vector
887  friend inline EnableIf_< UseSMPAssign<VT> >
889  {
891 
892  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
893 
894  smpAddAssign( ~lhs, rhs.lhs_ );
895  smpAddAssign( ~lhs, rhs.rhs_ );
896  }
898  //**********************************************************************************************
899 
900  //**SMP addition assignment to sparse vectors***************************************************
901  // No special implementation for the SMP addition assignment to sparse vectors.
902  //**********************************************************************************************
903 
904  //**SMP subtraction assignment to dense vectors*************************************************
918  template< typename VT > // Type of the target dense vector
919  friend inline EnableIf_< UseSMPAssign<VT> >
921  {
923 
924  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
925 
926  smpSubAssign( ~lhs, rhs.lhs_ );
927  smpSubAssign( ~lhs, rhs.rhs_ );
928  }
930  //**********************************************************************************************
931 
932  //**SMP subtraction assignment to sparse vectors************************************************
933  // No special implementation for the SMP subtraction assignment to sparse vectors.
934  //**********************************************************************************************
935 
936  //**SMP multiplication assignment to dense vectors**********************************************
950  template< typename VT > // Type of the target dense vector
951  friend inline EnableIf_< UseSMPAssign<VT> >
953  {
955 
959 
960  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
961 
962  const ResultType tmp( rhs );
963  smpMultAssign( ~lhs, tmp );
964  }
966  //**********************************************************************************************
967 
968  //**SMP multiplication assignment to sparse vectors*********************************************
969  // No special implementation for the SMP multiplication assignment to sparse vectors.
970  //**********************************************************************************************
971 
972  //**SMP division assignment to dense vectors****************************************************
986  template< typename VT > // Type of the target dense vector
987  friend inline EnableIf_< UseSMPAssign<VT> >
989  {
991 
995 
996  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
997 
998  const ResultType tmp( rhs );
999  smpDivAssign( ~lhs, tmp );
1000  }
1002  //**********************************************************************************************
1003 
1004  //**SMP division assignment to sparse vectors***************************************************
1005  // No special implementation for the SMP division assignment to sparse vectors.
1006  //**********************************************************************************************
1007 
1008  //**Compile time checks*************************************************************************
1016  //**********************************************************************************************
1017 };
1018 //*************************************************************************************************
1019 
1020 
1021 
1022 
1023 //=================================================================================================
1024 //
1025 // GLOBAL BINARY ARITHMETIC OPERATORS
1026 //
1027 //=================================================================================================
1028 
1029 //*************************************************************************************************
1053 template< typename VT1 // Type of the left-hand side dense vector
1054  , typename VT2 // Type of the right-hand side dense vector
1055  , bool TF > // Transpose flag
1056 inline decltype(auto)
1057  operator+( const DenseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
1058 {
1060 
1061  if( (~lhs).size() != (~rhs).size() ) {
1062  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
1063  }
1064 
1066  return ReturnType( ~lhs, ~rhs );
1067 }
1068 //*************************************************************************************************
1069 
1070 
1071 
1072 
1073 //=================================================================================================
1074 //
1075 // SIZE SPECIALIZATIONS
1076 //
1077 //=================================================================================================
1078 
1079 //*************************************************************************************************
1081 template< typename VT1, typename VT2, bool TF >
1082 struct Size< DVecDVecAddExpr<VT1,VT2,TF>, 0UL >
1083  : public Maximum< Size<VT1,0UL>, Size<VT2,0UL> >
1084 {};
1086 //*************************************************************************************************
1087 
1088 
1089 
1090 
1091 //=================================================================================================
1092 //
1093 // ISALIGNED SPECIALIZATIONS
1094 //
1095 //=================================================================================================
1096 
1097 //*************************************************************************************************
1099 template< typename VT1, typename VT2, bool TF >
1100 struct IsAligned< DVecDVecAddExpr<VT1,VT2,TF> >
1101  : public And< IsAligned<VT1>, IsAligned<VT2> >
1102 {};
1104 //*************************************************************************************************
1105 
1106 
1107 
1108 
1109 //=================================================================================================
1110 //
1111 // ISPADDED SPECIALIZATIONS
1112 //
1113 //=================================================================================================
1114 
1115 //*************************************************************************************************
1117 template< typename VT1, typename VT2, bool TF >
1118 struct IsPadded< DVecDVecAddExpr<VT1,VT2,TF> >
1119  : public And< IsPadded<VT1>, IsPadded<VT2> >
1120 {};
1122 //*************************************************************************************************
1123 
1124 } // namespace blaze
1125 
1126 #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
Iterator over the elements of the dense vector.
Definition: DVecDVecAddExpr.h:183
Pointer difference type of the Blaze library.
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecAddExpr.h:187
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecAddExpr.h:213
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
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:348
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:69
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.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecAddExpr.h:578
ElementType_< ResultType > ElementType
Resulting element type.
Definition: DVecDVecAddExpr.h:165
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecAddExpr.h:381
ResultType_< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:103
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecAddExpr.h:190
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.
IfTrue_< useAssign, const ResultType, const DVecDVecAddExpr &> CompositeType
Data type for composite expression templates.
Definition: DVecDVecAddExpr.h:171
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:326
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecAddExpr.h:523
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:174
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
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecAddExpr.h:513
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.
Availability of a SIMD addition for the given data types.Depending on the available instruction set (...
Definition: HasSIMDAdd.h:171
Header file for the AddExprTrait class template.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecAddExpr.h:568
ConstIterator_< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:204
Header file for the Computation base class.
RightOperand rhs_
Right-hand side dense vector of the addition expression.
Definition: DVecDVecAddExpr.h:597
Header file for the RequiresEvaluation type trait.
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
ElementType_< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:109
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
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:108
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecAddExpr.h:477
Constraint on the data type.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecAddExpr.h:238
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.
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:104
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
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecAddExpr.h:405
ReturnType_< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:105
Header file for the IsTemporary type trait class.
typename AddExprTrait< T1, T2 >::Type AddExprTrait_
Auxiliary alias declaration for the AddExprTrait class template.The AddExprTrait_ alias declaration p...
Definition: AddExprTrait.h:112
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.
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecDVecAddExpr.h:533
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecAddExpr.h:272
Header file for the VecVecAddExpr base class.
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecAddExpr.h:195
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:177
Compile time check for data types with padding.This type trait tests whether the given data type empl...
Definition: IsPadded.h:76
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
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecAddExpr.h:304
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecAddExpr.h:588
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:370
#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
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECADDEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecAddExpr.h:108
Header file for the HasSIMDAdd type trait.
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3085
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.
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecAddExpr.h:425
Header file for the IsAligned type trait.
Constraint on the data type.
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:359
DVecDVecAddExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecAddExpr class.
Definition: DVecDVecAddExpr.h:450
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecAddExpr.h:555
ReferenceType reference
Reference return type.
Definition: DVecDVecAddExpr.h:197
Constraint on the data type.
ElementType * PointerType
Pointer return type.
Definition: DVecDVecAddExpr.h:189
Header file for the exception macros of the math module.
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecAddExpr.h:225
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Base class for all vector/vector addition expression templates.The VecVecAddExpr class serves as a ta...
Definition: VecVecAddExpr.h:66
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecAddExpr.h:491
Header file for the EnableIf class template.
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:106
Header file for the IsPadded type trait.
Constraint on the data type.
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecAddExpr.h:284
PointerType pointer
Pointer return type.
Definition: DVecDVecAddExpr.h:196
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecAddExpr.h:543
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecAddExpr.h:168
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecAddExpr.h:464
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecAddExpr.h:294
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:337
Header file for run time assertion macros.
Header file for the addition trait.
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
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
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
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecAddExpr.h:262
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
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecAddExpr.h:424
LeftOperand lhs_
Left-hand side dense vector of the addition expression.
Definition: DVecDVecAddExpr.h:596
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecAddExpr.h:417
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
Expression object for dense vector-dense vector additions.The DVecDVecAddExpr class represents the co...
Definition: DVecDVecAddExpr.h:97
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecAddExpr.h:393
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecAddExpr.h:188
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
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecAddExpr.h:315
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecAddExpr.h:250
Header file for the IsComputation type trait class.
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
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecAddExpr.h:164
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
ConstIterator_< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:201
CompositeType_< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:107
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecAddExpr.h:503
AddExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecAddExpr.h:123
Compile time logical &#39;and&#39; evaluation.The And alias declaration performs at compile time a logical &#39;a...
Definition: And.h:76
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
ElementType_< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecAddExpr.h:110
AddTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecAddExpr.h:163
Constraint on the data type.
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.
typename AddTrait< T1, T2 >::Type AddTrait_
Auxiliary alias declaration for the AddTrait class template.The AddTrait_ alias declaration provides ...
Definition: AddTrait.h:291
#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
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecAddExpr.h:194
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:95
Header file for the IsExpression type trait class.
Header file for the function trace functionality.