SVecDVecMultExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <iterator>
44 #include <blaze/math/Aliases.h>
50 #include <blaze/math/Exception.h>
55 #include <blaze/math/shims/Reset.h>
64 #include <blaze/util/Assert.h>
65 #include <blaze/util/EnableIf.h>
67 #include <blaze/util/mpl/If.h>
68 #include <blaze/util/mpl/Maximum.h>
69 #include <blaze/util/Types.h>
71 
72 
73 namespace blaze {
74 
75 //=================================================================================================
76 //
77 // CLASS SVECDVECMULTEXPR
78 //
79 //=================================================================================================
80 
81 //*************************************************************************************************
88 template< typename VT1 // Type of the left-hand side sparse vector
89  , typename VT2 // Type of the right-hand side dense vector
90  , bool TF > // Transpose flag
91 class SVecDVecMultExpr
92  : public VecVecMultExpr< SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF > >
93  , private Computation
94 {
95  private:
96  //**Type definitions****************************************************************************
103  //**********************************************************************************************
104 
105  //**Return type evaluation**********************************************************************
107 
112  enum : bool { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
113 
116  //**********************************************************************************************
117 
118  //**Evaluation strategy*************************************************************************
120 
126  enum : bool { useAssign = ( RequiresEvaluation<VT1>::value || RequiresEvaluation<VT2>::value ) };
127 
129  template< typename VT >
131  struct UseAssign {
132  enum : bool { value = useAssign };
133  };
135  //**********************************************************************************************
136 
137  public:
138  //**Type definitions****************************************************************************
143 
146 
149 
151  using LeftOperand = If_< IsExpression<VT1>, const VT1, const VT1& >;
152 
154  using RightOperand = If_< IsExpression<VT2>, const VT2, const VT2& >;
155  //**********************************************************************************************
156 
157  //**Compilation flags***************************************************************************
159  enum : bool { smpAssignable = false };
160  //**********************************************************************************************
161 
162  //**ConstIterator class definition**************************************************************
166  {
167  public:
168  //**Type definitions*************************************************************************
171 
174 
175  using IteratorCategory = std::forward_iterator_tag;
180 
181  // STL iterator requirements
187  //*******************************************************************************************
188 
189  //**Constructor******************************************************************************
193  : it_ ( it ) // Iterator over the elements of the left-hand side sparse vector expression
194  , vec_( vec ) // Right-hand side dense vector expression
195  {}
196  //*******************************************************************************************
197 
198  //**Prefix increment operator****************************************************************
204  ++it_;
205  return *this;
206  }
207  //*******************************************************************************************
208 
209  //**Element access operator******************************************************************
214  inline const Element operator*() const {
215  return Element( it_->value() * vec_[it_->index()], it_->index() );
216  }
217  //*******************************************************************************************
218 
219  //**Element access operator******************************************************************
224  inline const ConstIterator* operator->() const {
225  return this;
226  }
227  //*******************************************************************************************
228 
229  //**Value function***************************************************************************
234  inline ReturnType value() const {
235  return it_->value() * vec_[it_->index()];
236  }
237  //*******************************************************************************************
238 
239  //**Index function***************************************************************************
244  inline size_t index() const {
245  return it_->index();
246  }
247  //*******************************************************************************************
248 
249  //**Equality operator************************************************************************
255  inline bool operator==( const ConstIterator& rhs ) const {
256  return it_ == rhs.it_;
257  }
258  //*******************************************************************************************
259 
260  //**Inequality operator**********************************************************************
266  inline bool operator!=( const ConstIterator& rhs ) const {
267  return it_ != rhs.it_;
268  }
269  //*******************************************************************************************
270 
271  //**Subtraction operator*********************************************************************
277  inline DifferenceType operator-( const ConstIterator& rhs ) const {
278  return it_ - rhs.it_;
279  }
280  //*******************************************************************************************
281 
282  private:
283  //**Member variables*************************************************************************
286  //*******************************************************************************************
287  };
288  //**********************************************************************************************
289 
290  //**Constructor*********************************************************************************
296  explicit inline SVecDVecMultExpr( const VT1& lhs, const VT2& rhs ) noexcept
297  : lhs_( lhs ) // Left-hand side sparse vector of the multiplication expression
298  , rhs_( rhs ) // Right-hand side dense vector of the multiplication expression
299  {
300  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
301  }
302  //**********************************************************************************************
303 
304  //**Subscript operator**************************************************************************
310  inline ReturnType operator[]( size_t index ) const {
311  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
312  return lhs_[index] * rhs_[index];
313  }
314  //**********************************************************************************************
315 
316  //**At function*********************************************************************************
323  inline ReturnType at( size_t index ) const {
324  if( index >= lhs_.size() ) {
325  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
326  }
327  return (*this)[index];
328  }
329  //**********************************************************************************************
330 
331  //**Begin function******************************************************************************
336  inline ConstIterator begin() const {
337  return ConstIterator( lhs_.begin(), rhs_ );
338  }
339  //**********************************************************************************************
340 
341  //**End function********************************************************************************
346  inline ConstIterator end() const {
347  return ConstIterator( lhs_.end(), rhs_ );
348  }
349  //**********************************************************************************************
350 
351  //**Size function*******************************************************************************
356  inline size_t size() const noexcept {
357  return rhs_.size();
358  }
359  //**********************************************************************************************
360 
361  //**NonZeros function***************************************************************************
366  inline size_t nonZeros() const {
367  return lhs_.nonZeros();
368  }
369  //**********************************************************************************************
370 
371  //**Find function*******************************************************************************
377  inline ConstIterator find( size_t index ) const {
379  return ConstIterator( lhs_.find( index ), rhs_ );
380  }
381  //**********************************************************************************************
382 
383  //**LowerBound function*************************************************************************
389  inline ConstIterator lowerBound( size_t index ) const {
391  return ConstIterator( lhs_.lowerBound( index ), rhs_ );
392  }
393  //**********************************************************************************************
394 
395  //**UpperBound function*************************************************************************
401  inline ConstIterator upperBound( size_t index ) const {
403  return ConstIterator( lhs_.upperBound( index ), rhs_ );
404  }
405  //**********************************************************************************************
406 
407  //**Left operand access*************************************************************************
412  inline LeftOperand leftOperand() const noexcept {
413  return lhs_;
414  }
415  //**********************************************************************************************
416 
417  //**Right operand access************************************************************************
422  inline RightOperand rightOperand() const noexcept {
423  return rhs_;
424  }
425  //**********************************************************************************************
426 
427  //**********************************************************************************************
433  template< typename T >
434  inline bool canAlias( const T* alias ) const noexcept {
435  return ( lhs_.canAlias( alias ) ) || ( rhs_.canAlias( alias ) );
436  }
437  //**********************************************************************************************
438 
439  //**********************************************************************************************
445  template< typename T >
446  inline bool isAliased( const T* alias ) const noexcept {
447  return ( lhs_.isAliased( alias ) ) || ( rhs_.isAliased( alias ) );
448  }
449  //**********************************************************************************************
450 
451  private:
452  //**Member variables****************************************************************************
455  //**********************************************************************************************
456 
457  //**Assignment to dense vectors*****************************************************************
471  template< typename VT > // Type of the target dense vector
472  friend inline EnableIf_< UseAssign<VT> >
473  assign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
474  {
476 
477  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
478 
480 
481  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
482  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
483 
484  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
485  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
486  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
487 
488  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
489  (~lhs)[element->index()] = element->value() * y[element->index()];
490  }
492  //**********************************************************************************************
493 
494  //**Assignment to sparse vectors****************************************************************
508  template< typename VT > // Type of the target sparse vector
509  friend inline EnableIf_< UseAssign<VT> >
510  assign( SparseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
511  {
513 
514  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
515 
517 
518  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
519  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
520 
521  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
522  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
523  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
524 
525  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
526  (~lhs).append( element->index(), element->value() * y[element->index()] );
527  }
529  //**********************************************************************************************
530 
531  //**Addition assignment to dense vectors********************************************************
545  template< typename VT > // Type of the target dense vector
546  friend inline EnableIf_< UseAssign<VT> >
547  addAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
548  {
550 
551  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
552 
554 
555  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
556  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
557 
558  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
559  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
560  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
561 
562  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
563  (~lhs)[element->index()] += element->value() * y[element->index()];
564  }
566  //**********************************************************************************************
567 
568  //**Addition assignment to sparse vectors*******************************************************
569  // No special implementation for the addition assignment to sparse vectors.
570  //**********************************************************************************************
571 
572  //**Subtraction assignment to dense vectors*****************************************************
586  template< typename VT > // Type of the target dense vector
587  friend inline EnableIf_< UseAssign<VT> >
588  subAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
589  {
591 
592  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
593 
595 
596  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
597  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
598 
599  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
600  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
601  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
602 
603  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
604  (~lhs)[element->index()] -= element->value() * y[element->index()];
605  }
607  //**********************************************************************************************
608 
609  //**Subtraction assignment to sparse vectors****************************************************
610  // No special implementation for the subtraction assignment to sparse vectors.
611  //**********************************************************************************************
612 
613  //**Multiplication assignment to dense vectors**************************************************
627  template< typename VT > // Type of the target dense vector
628  friend inline EnableIf_< UseAssign<VT> >
629  multAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
630  {
632 
633  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
634 
636 
637  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
638  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
639 
640  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
641  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
642  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
643 
644  const ConstIterator end( x.end() );
645  ConstIterator begin( x.begin() );
646  size_t i( 0UL );
647 
648  for( ; begin!=end; ++begin ) {
649  const size_t index( begin->index() );
650  for( ; i<index; ++i )
651  reset( (~lhs)[i] );
652  (~lhs)[index] *= begin->value() * y[index];
653  ++i;
654  }
655 
656  for( ; i<rhs.size(); ++i )
657  reset( (~lhs)[i] );
658  }
660  //**********************************************************************************************
661 
662  //**Multiplication assignment to sparse vectors*************************************************
663  // No special implementation for the multiplication assignment to sparse vectors.
664  //**********************************************************************************************
665 
666  //**Compile time checks*************************************************************************
674  //**********************************************************************************************
675 };
676 //*************************************************************************************************
677 
678 
679 
680 
681 //=================================================================================================
682 //
683 // GLOBAL BINARY ARITHMETIC OPERATORS
684 //
685 //=================================================================================================
686 
687 //*************************************************************************************************
714 template< typename VT1 // Type of the left-hand side sparse vector
715  , typename VT2 // Type of the right-hand side dense vector
716  , bool TF > // Transpose flag
717 inline decltype(auto)
718  operator*( const SparseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
719 {
721 
722  if( (~lhs).size() != (~rhs).size() ) {
723  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
724  }
725 
727  return ReturnType( ~lhs, ~rhs );
728 }
729 //*************************************************************************************************
730 
731 
732 
733 
734 //=================================================================================================
735 //
736 // SIZE SPECIALIZATIONS
737 //
738 //=================================================================================================
739 
740 //*************************************************************************************************
742 template< typename VT1, typename VT2, bool TF >
743 struct Size< SVecDVecMultExpr<VT1,VT2,TF> >
744  : public Maximum< Size<VT1>, Size<VT2> >
745 {};
747 //*************************************************************************************************
748 
749 } // namespace blaze
750 
751 #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.
Header file for auxiliary alias declarations.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:277
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:422
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:266
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:434
Header file for basic type definitions.
Header file for the SparseVector base class.
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecDVecMultExpr.h:377
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:184
MultExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:115
Header file for the serial shim.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:176
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:560
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:454
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:178
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:98
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:250
Header file for the Computation base class.
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
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:244
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SVecDVecMultExpr.h:142
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:102
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:214
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
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:192
MultTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:140
Header file for the Maximum class template.
typename MultExprTrait< T1, T2 >::Type MultExprTrait_
Auxiliary alias declaration for the MultExprTrait class template.The MultExprTrait_ alias declaration...
Definition: MultExprTrait.h:112
Header file for the MultExprTrait class template.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:224
Header file for the ValueIndexPair class.
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:154
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
#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
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:284
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3087
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
ReturnType_< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:99
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional vector type...
Definition: SparseVector.h:61
Constraint on the data type.
Constraint on the data type.
Header file for the exception macros of the math module.
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:296
Header file for the VecVecMultExpr base class.
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:141
Constraint on the data type.
Header file for all forward declarations for expression class templates.
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:183
Constraint on the data type.
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:165
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:203
Header file for the EnableIf class template.
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:453
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:182
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecMultExpr.h:175
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:346
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:356
Header file for run time assertion macros.
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecDVecMultExpr.h:401
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
Header file for the reset shim.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:336
#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
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:177
IfTrue_< useAssign, const ResultType, const SVecDVecMultExpr &> CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:148
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:151
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:446
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:819
#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
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecDVecMultExpr.h:412
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:255
Header file for the RemoveReference type trait.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3082
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
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:234
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:73
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecDVecMultExpr.h:389
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:185
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecMultExpr.h:108
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:145
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecDVecMultExpr.h:323
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:366
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecMultExpr.h:310
CompositeType_< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:101
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:285
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:100
ResultType_< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:97
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
#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
Header file for the IsExpression type trait class.
ConstIterator_< RemoveReference_< LeftOperand > > IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:173
Header file for the function trace functionality.
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:133