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DVecDVecMultExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECMULTEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <stdexcept>
50 #include <blaze/math/Intrinsics.h>
61 #include <blaze/util/Assert.h>
63 #include <blaze/util/EnableIf.h>
65 #include <blaze/util/SelectType.h>
66 #include <blaze/util/Types.h>
68 
69 
70 namespace blaze {
71 
72 //=================================================================================================
73 //
74 // CLASS DVECDVECMULTEXPR
75 //
76 //=================================================================================================
77 
78 //*************************************************************************************************
85 template< typename VT1 // Type of the left-hand side dense vector
86  , typename VT2 // Type of the right-hand side dense vector
87  , bool TF > // Transpose flag
88 class DVecDVecMultExpr : public DenseVector< DVecDVecMultExpr<VT1,VT2,TF>, TF >
89  , private VecVecMultExpr
90  , private Computation
91 {
92  private:
93  //**Type definitions****************************************************************************
94  typedef typename VT1::ResultType RT1;
95  typedef typename VT2::ResultType RT2;
96  typedef typename VT1::ReturnType RN1;
97  typedef typename VT2::ReturnType RN2;
98  typedef typename VT1::CompositeType CT1;
99  typedef typename VT2::CompositeType CT2;
100  typedef typename VT1::ElementType ET1;
101  typedef typename VT2::ElementType ET2;
102  //**********************************************************************************************
103 
104  //**Return type evaluation**********************************************************************
106 
111  enum { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
112 
115  //**********************************************************************************************
116 
117  //**Evaluation strategy*************************************************************************
119 
125  enum { useAssign = ( RequiresEvaluation<VT1>::value || RequiresEvaluation<VT2>::value || !returnExpr ) };
126 
128  template< typename VT >
130  struct UseAssign {
131  enum { value = useAssign };
132  };
134  //**********************************************************************************************
135 
136  public:
137  //**Type definitions****************************************************************************
143 
146 
149 
151  typedef typename SelectType< IsExpression<VT1>::value, const VT1, const VT1& >::Type LeftOperand;
152 
154  typedef typename SelectType< IsExpression<VT2>::value, const VT2, const VT2& >::Type RightOperand;
155  //**********************************************************************************************
156 
157  //**ConstIterator class definition**************************************************************
161  {
162  public:
163  //**Type definitions*************************************************************************
164  typedef std::random_access_iterator_tag IteratorCategory;
165  typedef ElementType ValueType;
166  typedef ElementType* PointerType;
167  typedef ElementType& ReferenceType;
169 
170  // STL iterator requirements
176 
179 
182  //*******************************************************************************************
183 
184  //**Constructor******************************************************************************
190  explicit inline ConstIterator( LeftIteratorType left, RightIteratorType right )
191  : left_ ( left ) // Iterator to the current left-hand side element
192  , right_( right ) // Iterator to the current right-hand side element
193  {}
194  //*******************************************************************************************
195 
196  //**Addition assignment operator*************************************************************
202  inline ConstIterator& operator+=( size_t inc ) {
203  left_ += inc;
204  right_ += inc;
205  return *this;
206  }
207  //*******************************************************************************************
208 
209  //**Subtraction assignment operator**********************************************************
215  inline ConstIterator& operator-=( size_t dec ) {
216  left_ -= dec;
217  right_ -= dec;
218  return *this;
219  }
220  //*******************************************************************************************
221 
222  //**Prefix increment operator****************************************************************
228  ++left_;
229  ++right_;
230  return *this;
231  }
232  //*******************************************************************************************
233 
234  //**Postfix increment operator***************************************************************
239  inline const ConstIterator operator++( int ) {
240  return ConstIterator( left_++, right_++ );
241  }
242  //*******************************************************************************************
243 
244  //**Prefix decrement operator****************************************************************
250  --left_;
251  --right_;
252  return *this;
253  }
254  //*******************************************************************************************
255 
256  //**Postfix decrement operator***************************************************************
261  inline const ConstIterator operator--( int ) {
262  return ConstIterator( left_--, right_-- );
263  }
264  //*******************************************************************************************
265 
266  //**Element access operator******************************************************************
271  inline ReturnType operator*() const {
272  return (*left_) * (*right_);
273  }
274  //*******************************************************************************************
275 
276  //**Load function****************************************************************************
281  inline IntrinsicType load() const {
282  return left_.load() * right_.load();
283  }
284  //*******************************************************************************************
285 
286  //**Equality operator************************************************************************
292  inline bool operator==( const ConstIterator& rhs ) const {
293  return left_ == rhs.left_;
294  }
295  //*******************************************************************************************
296 
297  //**Inequality operator**********************************************************************
303  inline bool operator!=( const ConstIterator& rhs ) const {
304  return left_ != rhs.left_;
305  }
306  //*******************************************************************************************
307 
308  //**Less-than operator***********************************************************************
314  inline bool operator<( const ConstIterator& rhs ) const {
315  return left_ < rhs.left_;
316  }
317  //*******************************************************************************************
318 
319  //**Greater-than operator********************************************************************
325  inline bool operator>( const ConstIterator& rhs ) const {
326  return left_ > rhs.left_;
327  }
328  //*******************************************************************************************
329 
330  //**Less-or-equal-than operator**************************************************************
336  inline bool operator<=( const ConstIterator& rhs ) const {
337  return left_ <= rhs.left_;
338  }
339  //*******************************************************************************************
340 
341  //**Greater-or-equal-than operator***********************************************************
347  inline bool operator>=( const ConstIterator& rhs ) const {
348  return left_ >= rhs.left_;
349  }
350  //*******************************************************************************************
351 
352  //**Subtraction operator*********************************************************************
358  inline DifferenceType operator-( const ConstIterator& rhs ) const {
359  return left_ - rhs.left_;
360  }
361  //*******************************************************************************************
362 
363  //**Addition operator************************************************************************
370  friend inline const ConstIterator operator+( const ConstIterator& it, size_t inc ) {
371  return ConstIterator( it.left_ + inc, it.right_ + inc );
372  }
373  //*******************************************************************************************
374 
375  //**Addition operator************************************************************************
382  friend inline const ConstIterator operator+( size_t inc, const ConstIterator& it ) {
383  return ConstIterator( it.left_ + inc, it.right_ + inc );
384  }
385  //*******************************************************************************************
386 
387  //**Subtraction operator*********************************************************************
394  friend inline const ConstIterator operator-( const ConstIterator& it, size_t dec ) {
395  return ConstIterator( it.left_ - dec, it.right_ - dec );
396  }
397  //*******************************************************************************************
398 
399  private:
400  //**Member variables*************************************************************************
403  //*******************************************************************************************
404  };
405  //**********************************************************************************************
406 
407  //**Compilation flags***************************************************************************
409  enum { vectorizable = VT1::vectorizable && VT2::vectorizable &&
412 
414  enum { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
415  //**********************************************************************************************
416 
417  //**Constructor*********************************************************************************
423  explicit inline DVecDVecMultExpr( const VT1& lhs, const VT2& rhs )
424  : lhs_( lhs ) // Left-hand side dense vector of the multiplication expression
425  , rhs_( rhs ) // Right-hand side dense vector of the multiplication expression
426  {
427  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
428  }
429  //**********************************************************************************************
430 
431  //**Subscript operator**************************************************************************
437  inline ReturnType operator[]( size_t index ) const {
438  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
439  return lhs_[index] * rhs_[index];
440  }
441  //**********************************************************************************************
442 
443  //**Load function*******************************************************************************
449  inline IntrinsicType load( size_t index ) const {
450  typedef IntrinsicTrait<ElementType> IT;
451  BLAZE_INTERNAL_ASSERT( index < lhs_.size() , "Invalid vector access index" );
452  BLAZE_INTERNAL_ASSERT( index % IT::size == 0UL, "Invalid vector access index" );
453  const IntrinsicType xmm1( lhs_.load( index ) );
454  const IntrinsicType xmm2( rhs_.load( index ) );
455  return xmm1 * xmm2;
456  }
457  //**********************************************************************************************
458 
459  //**Begin function******************************************************************************
464  inline ConstIterator begin() const {
465  return ConstIterator( lhs_.begin(), rhs_.begin() );
466  }
467  //**********************************************************************************************
468 
469  //**End function********************************************************************************
474  inline ConstIterator end() const {
475  return ConstIterator( lhs_.end(), rhs_.end() );
476  }
477  //**********************************************************************************************
478 
479  //**Size function*******************************************************************************
484  inline size_t size() const {
485  return lhs_.size();
486  }
487  //**********************************************************************************************
488 
489  //**Left operand access*************************************************************************
494  inline LeftOperand leftOperand() const {
495  return lhs_;
496  }
497  //**********************************************************************************************
498 
499  //**Right operand access************************************************************************
504  inline RightOperand rightOperand() const {
505  return rhs_;
506  }
507  //**********************************************************************************************
508 
509  //**********************************************************************************************
515  template< typename T >
516  inline bool canAlias( const T* alias ) const {
517  return ( IsComputation<VT1>::value && ( RequiresEvaluation<VT1>::value ? lhs_.isAliased( alias ) : lhs_.canAlias( alias ) ) ) ||
518  ( IsComputation<VT2>::value && ( RequiresEvaluation<VT2>::value ? rhs_.isAliased( alias ) : rhs_.canAlias( alias ) ) );
519  }
520  //**********************************************************************************************
521 
522  //**********************************************************************************************
528  template< typename T >
529  inline bool isAliased( const T* alias ) const {
530  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
531  }
532  //**********************************************************************************************
533 
534  //**********************************************************************************************
539  inline bool isAligned() const {
540  return lhs_.isAligned() && rhs_.isAligned();
541  }
542  //**********************************************************************************************
543 
544  //**********************************************************************************************
549  inline bool canSMPAssign() const {
550  return lhs_.canSMPAssign() || rhs_.canSMPAssign() ||
552  }
553  //**********************************************************************************************
554 
555  private:
556  //**Member variables****************************************************************************
557  LeftOperand lhs_;
558  RightOperand rhs_;
559  //**********************************************************************************************
560 
561  //**Assignment to dense vectors*****************************************************************
575  template< typename VT > // Type of the target dense vector
576  friend inline typename EnableIf< UseAssign<VT> >::Type
577  assign( DenseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
578  {
580 
581  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
582 
583  if( !IsComputation<VT1>::value && (~lhs).isAliased( &rhs.lhs_ ) ) {
584  smpMultAssign( ~lhs, rhs.rhs_ );
585  }
586  else if( !IsComputation<VT2>::value && (~lhs).isAliased( &rhs.rhs_ ) ) {
587  smpMultAssign( ~lhs, rhs.lhs_ );
588  }
589  else {
590  smpAssign ( ~lhs, rhs.lhs_ );
591  smpMultAssign( ~lhs, rhs.rhs_ );
592  }
593  }
595  //**********************************************************************************************
596 
597  //**Assignment to sparse vectors****************************************************************
611  template< typename VT > // Type of the target sparse vector
612  friend inline typename EnableIf< UseAssign<VT> >::Type
613  assign( SparseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
614  {
616 
620 
621  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
622 
623  const ResultType tmp( rhs );
624  smpAssign( ~lhs, tmp );
625  }
627  //**********************************************************************************************
628 
629  //**Addition assignment to dense vectors********************************************************
643  template< typename VT > // Type of the target dense vector
644  friend inline typename EnableIf< UseAssign<VT> >::Type
645  addAssign( DenseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
646  {
648 
652 
653  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
654 
655  const ResultType tmp( rhs );
656  smpAddAssign( ~lhs, tmp );
657  }
659  //**********************************************************************************************
660 
661  //**Addition assignment to sparse vectors*******************************************************
662  // No special implementation for the addition assignment to sparse vectors.
663  //**********************************************************************************************
664 
665  //**Subtraction assignment to dense vectors*****************************************************
679  template< typename VT > // Type of the target dense vector
680  friend inline typename EnableIf< UseAssign<VT> >::Type
681  subAssign( DenseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
682  {
684 
688 
689  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
690 
691  const ResultType tmp( rhs );
692  smpSubAssign( ~lhs, tmp );
693  }
695  //**********************************************************************************************
696 
697  //**Subtraction assignment to sparse vectors****************************************************
698  // No special implementation for the subtraction assignment to sparse vectors.
699  //**********************************************************************************************
700 
701  //**Multiplication assignment to dense vectors**************************************************
715  template< typename VT > // Type of the target dense vector
716  friend inline typename EnableIf< UseAssign<VT> >::Type
717  multAssign( DenseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
718  {
720 
721  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
722 
723  smpMultAssign( ~lhs, rhs.lhs_ );
724  smpMultAssign( ~lhs, rhs.rhs_ );
725  }
727  //**********************************************************************************************
728 
729  //**Multiplication assignment to sparse vectors*************************************************
743  template< typename VT > // Type of the target sparse vector
744  friend inline typename EnableIf< UseAssign<VT> >::Type
745  multAssign( SparseVector<VT,TF>& lhs, const DVecDVecMultExpr& rhs )
746  {
748 
749  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
750 
751  smpMultAssign( ~lhs, rhs.lhs_ );
752  smpMultAssign( ~lhs, rhs.rhs_ );
753  }
755  //**********************************************************************************************
756 
757  //**Compile time checks*************************************************************************
764  //**********************************************************************************************
765 };
766 //*************************************************************************************************
767 
768 
769 
770 
771 //=================================================================================================
772 //
773 // GLOBAL BINARY ARITHMETIC OPERATORS
774 //
775 //=================================================================================================
776 
777 //*************************************************************************************************
802 template< typename T1 // Type of the left-hand side dense vector
803  , typename T2 // Type of the right-hand side dense vector
804  , bool TF > // Transpose flag
805 inline const DVecDVecMultExpr<T1,T2,TF>
807 {
809 
810  if( (~lhs).size() != (~rhs).size() )
811  throw std::invalid_argument( "Vector sizes do not match" );
812 
813  return DVecDVecMultExpr<T1,T2,TF>( ~lhs, ~rhs );
814 }
815 //*************************************************************************************************
816 
817 
818 
819 
820 //=================================================================================================
821 //
822 // EXPRESSION TRAIT SPECIALIZATIONS
823 //
824 //=================================================================================================
825 
826 //*************************************************************************************************
828 template< typename VT1, typename VT2, bool TF, bool AF >
829 struct SubvectorExprTrait< DVecDVecMultExpr<VT1,VT2,TF>, AF >
830 {
831  public:
832  //**********************************************************************************************
833  typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
834  , typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
835  //**********************************************************************************************
836 };
838 //*************************************************************************************************
839 
840 } // namespace blaze
841 
842 #endif
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecMultExpr.h:402
Pointer difference type of the Blaze library.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
IntrinsicTrait< ElementType >::Type IntrinsicType
Resulting intrinsic element type.
Definition: DVecDVecMultExpr.h:142
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
const DMatDMatMultExpr< T1, T2 > operator*(const DenseMatrix< T1, false > &lhs, const DenseMatrix< T2, false > &rhs)
Multiplication operator for the multiplication of two row-major dense matrices ( ).
Definition: DMatDMatMultExpr.h:4075
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecMultExpr.h:227
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecMultExpr.h:190
DifferenceType difference_type
Difference between two iterators.
Definition: DVecDVecMultExpr.h:175
Iterator over the elements of the dense vector.
Definition: DVecDVecMultExpr.h:160
void smpSubAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:151
ReferenceType reference
Reference return type.
Definition: DVecDVecMultExpr.h:174
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecMultExpr.h:516
LeftOperand lhs_
Left-hand side dense vector of the multiplication expression.
Definition: DVecDVecMultExpr.h:557
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:95
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:336
void smpMultAssign(DenseVector< 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:178
VT2::ConstIterator RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:181
Header file for the IsSame and IsStrictlySame type traits.
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:314
VT1::ReturnType RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:96
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
Header file for the DenseVector base class.
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecMultExpr.h:401
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 enumeration is set to 1, the nested type definition Type is TrueType, and the class derives from TrueType. Otherwise value is set to 0, Type is FalseType, and the class derives from FalseType.
Definition: IsSame.h:158
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecMultExpr.h:271
Header file for the RequiresEvaluation type trait.
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:303
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecMultExpr.h:358
Constraint on the data type.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecMultExpr.h:168
Header file for the MultExprTrait class template.
void smpAddAssign(DenseMatrix< 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:121
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:251
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
Header file for the IsTemporary type trait class.
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecMultExpr.h:239
Header file for the multiplication trait.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecMultExpr.h:529
ResultType::ElementType ElementType
Resulting element type.
Definition: DVecDVecMultExpr.h:141
PointerType pointer
Pointer return type.
Definition: DVecDVecMultExpr.h:173
Header file for the dense vector SMP implementation.
IntrinsicType load(size_t index) const
Access to the intrinsic elements of the vector.
Definition: DVecDVecMultExpr.h:449
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecMultExpr.h:164
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: DVecDVecMultExpr.h:504
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:154
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:97
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecMultExpr.h:215
void assign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the assignment of a matrix to a matrix.
Definition: Matrix.h:179
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecDVecMultExpr.h:484
IntrinsicType load() const
Access to the intrinsic elements of the vector.
Definition: DVecDVecMultExpr.h:281
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
SelectType< useAssign, const ResultType, const DVecDVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DVecDVecMultExpr.h:148
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:151
Constraint on the data type.
VT1::ResultType RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:94
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:325
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:347
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecMultExpr.h:474
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecMultExpr.h:261
Constraint on the data type.
Header file for the VecVecMultExpr base class.
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:99
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2382
void multAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the multiplication assignment of a matrix to a matrix.
Definition: Matrix.h:269
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
DVecDVecMultExpr< VT1, VT2, TF > This
Type of this DVecDVecMultExpr instance.
Definition: DVecDVecMultExpr.h:138
Expression object for dense vector-dense vector multiplications.The DVecDVecMultExpr class represents...
Definition: DVecDVecMultExpr.h:88
Header file for the EnableIf class template.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecMultExpr.h:464
void smpAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:91
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
Intrinsic characteristics of data types.The IntrinsicTrait class template provides the intrinsic char...
Definition: IntrinsicTrait.h:748
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecMultExpr.h:165
Header file for run time assertion macros.
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecMultExpr.h:172
Base template for the MultTrait class.
Definition: MultTrait.h:141
void addAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the addition assignment of a matrix to a matrix.
Definition: Matrix.h:209
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecMultExpr.h:171
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecMultExpr.h:292
void subAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the subtraction assignment of a matrix to matrix.
Definition: Matrix.h:239
VT2::ElementType ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:101
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecMultExpr.h:437
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecMultExpr.h:114
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecMultExpr.h:249
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecMultExpr.h:370
ElementType * PointerType
Pointer return type.
Definition: DVecDVecMultExpr.h:166
DVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecDVecMultExpr class.
Definition: DVecDVecMultExpr.h:423
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: DVecDVecMultExpr.h:494
VT1::CompositeType CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:98
Header file for all intrinsic functionality.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecMultExpr.h:549
#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:79
VT1::ElementType ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:100
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DVecDVecMultExpr.h:139
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecMultExpr.h:394
Header file for the IsComputation type trait class.
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecMultExpr.h:539
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
const size_t SMP_DVECDVECMULT_THRESHOLD
SMP dense vector/dense vector multiplication threshold.This threshold represents the system-specific ...
Definition: Thresholds.h:113
Header file for the sparse vector SMP implementation.
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:105
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:157
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: DVecDVecMultExpr.h:558
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecMultExpr.h:202
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecMultExpr.h:382
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DVecDVecMultExpr.h:145
Evaluation of the resulting expression type of a multiplication.Via this type trait it is possible to...
Definition: MultExprTrait.h:137
#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:238
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
Base class for all vector/vector multiplication expression templates.The VecVecMultExpr class serves ...
Definition: VecVecMultExpr.h:65
#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
VT1::ConstIterator LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecMultExpr.h:178
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecMultExpr.h:140
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecMultExpr.h:167