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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 <stdexcept>
58 #include <blaze/util/Assert.h>
60 #include <blaze/util/EnableIf.h>
62 #include <blaze/util/SelectType.h>
63 #include <blaze/util/Types.h>
65 
66 
67 namespace blaze {
68 
69 //=================================================================================================
70 //
71 // CLASS SVECDVECMULTEXPR
72 //
73 //=================================================================================================
74 
75 //*************************************************************************************************
82 template< typename VT1 // Type of the left-hand side sparse vector
83  , typename VT2 // Type of the right-hand side dense vector
84  , bool TF > // Transpose flag
85 class SVecDVecMultExpr : public SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF >
86  , private VecVecMultExpr
87  , private Computation
88 {
89  private:
90  //**Type definitions****************************************************************************
91  typedef typename VT1::ResultType RT1;
92  typedef typename VT2::ResultType RT2;
93  typedef typename VT1::ReturnType RN1;
94  typedef typename VT2::ReturnType RN2;
95  typedef typename VT1::CompositeType CT1;
96  typedef typename VT2::CompositeType CT2;
97  typedef typename VT1::TransposeType TT1;
98  typedef typename VT2::TransposeType TT2;
99  //**********************************************************************************************
100 
101  //**Return type evaluation**********************************************************************
103 
108  enum { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
109 
112  //**********************************************************************************************
113 
114  //**Evaluation strategy*************************************************************************
116 
123 
125  template< typename VT >
127  struct UseAssign {
128  enum { value = useAssign };
129  };
131  //**********************************************************************************************
132 
133  public:
134  //**Type definitions****************************************************************************
139 
142 
145 
147  typedef typename SelectType< IsExpression<VT1>::value, const VT1, const VT1& >::Type LeftOperand;
148 
150  typedef typename SelectType< IsExpression<VT2>::value, const VT2, const VT2& >::Type RightOperand;
151  //**********************************************************************************************
152 
153  //**Compilation flags***************************************************************************
155  enum { smpAssignable = 0 };
156  //**********************************************************************************************
157 
158  //**ConstIterator class definition**************************************************************
162  {
163  public:
164  //**Type definitions*************************************************************************
167 
170 
171  typedef std::forward_iterator_tag IteratorCategory;
172  typedef ElementType ValueType;
176 
177  // STL iterator requirements
183  //*******************************************************************************************
184 
185  //**Constructor******************************************************************************
188  inline ConstIterator( IteratorType it, RightOperand vec )
189  : it_ ( it ) // Iterator over the elements of the left-hand side sparse vector expression
190  , vec_( vec ) // Right-hand side dense vector expression
191  {}
192  //*******************************************************************************************
193 
194  //**Prefix increment operator****************************************************************
200  ++it_;
201  return *this;
202  }
203  //*******************************************************************************************
204 
205  //**Element access operator******************************************************************
210  inline const Element operator*() const {
211  return Element( it_->value() * vec_[it_->index()], it_->index() );
212  }
213  //*******************************************************************************************
214 
215  //**Element access operator******************************************************************
220  inline const ConstIterator* operator->() const {
221  return this;
222  }
223  //*******************************************************************************************
224 
225  //**Value function***************************************************************************
230  inline ReturnType value() const {
231  return it_->value() * vec_[it_->index()];
232  }
233  //*******************************************************************************************
234 
235  //**Index function***************************************************************************
240  inline size_t index() const {
241  return it_->index();
242  }
243  //*******************************************************************************************
244 
245  //**Equality operator************************************************************************
251  inline bool operator==( const ConstIterator& rhs ) const {
252  return it_ == rhs.it_;
253  }
254  //*******************************************************************************************
255 
256  //**Inequality operator**********************************************************************
262  inline bool operator!=( const ConstIterator& rhs ) const {
263  return it_ != rhs.it_;
264  }
265  //*******************************************************************************************
266 
267  //**Subtraction operator*********************************************************************
273  inline DifferenceType operator-( const ConstIterator& rhs ) const {
274  return it_ - rhs.it_;
275  }
276  //*******************************************************************************************
277 
278  private:
279  //**Member variables*************************************************************************
281  RightOperand vec_;
282  //*******************************************************************************************
283  };
284  //**********************************************************************************************
285 
286  //**Constructor*********************************************************************************
292  explicit inline SVecDVecMultExpr( const VT1& lhs, const VT2& rhs )
293  : lhs_( lhs ) // Left-hand side sparse vector of the multiplication expression
294  , rhs_( rhs ) // Right-hand side dense vector of the multiplication expression
295  {
296  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
297  }
298  //**********************************************************************************************
299 
300  //**Subscript operator**************************************************************************
306  inline ReturnType operator[]( size_t index ) const {
307  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
308  return lhs_[index] * rhs_[index];
309  }
310  //**********************************************************************************************
311 
312  //**Begin function******************************************************************************
317  inline ConstIterator begin() const {
318  return ConstIterator( lhs_.begin(), rhs_ );
319  }
320  //**********************************************************************************************
321 
322  //**End function********************************************************************************
327  inline ConstIterator end() const {
328  return ConstIterator( lhs_.end(), rhs_ );
329  }
330  //**********************************************************************************************
331 
332  //**Size function*******************************************************************************
337  inline size_t size() const {
338  return rhs_.size();
339  }
340  //**********************************************************************************************
341 
342  //**NonZeros function***************************************************************************
347  inline size_t nonZeros() const {
348  return lhs_.nonZeros();
349  }
350  //**********************************************************************************************
351 
352  //**Left operand access*************************************************************************
357  inline LeftOperand leftOperand() const {
358  return lhs_;
359  }
360  //**********************************************************************************************
361 
362  //**Right operand access************************************************************************
367  inline RightOperand rightOperand() const {
368  return rhs_;
369  }
370  //**********************************************************************************************
371 
372  //**********************************************************************************************
378  template< typename T >
379  inline bool canAlias( const T* alias ) const {
380  return ( lhs_.canAlias( alias ) ) || ( rhs_.canAlias( alias ) );
381  }
382  //**********************************************************************************************
383 
384  //**********************************************************************************************
390  template< typename T >
391  inline bool isAliased( const T* alias ) const {
392  return ( lhs_.isAliased( alias ) ) || ( rhs_.isAliased( alias ) );
393  }
394  //**********************************************************************************************
395 
396  private:
397  //**Member variables****************************************************************************
398  LeftOperand lhs_;
399  RightOperand rhs_;
400  //**********************************************************************************************
401 
402  //**Assignment to dense vectors*****************************************************************
416  template< typename VT > // Type of the target dense vector
417  friend inline typename EnableIf< UseAssign<VT> >::Type
418  assign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
419  {
421 
422  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
423 
425 
426  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side sparse vector operand
427  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side dense vector operand
428 
429  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
430  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
431  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
432 
433  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
434  (~lhs)[element->index()] = element->value() * y[element->index()];
435  }
437  //**********************************************************************************************
438 
439  //**Assignment to sparse vectors****************************************************************
453  template< typename VT > // Type of the target sparse vector
454  friend inline typename EnableIf< UseAssign<VT> >::Type
455  assign( SparseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
456  {
458 
459  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
460 
462 
463  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side sparse vector operand
464  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side dense vector operand
465 
466  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
467  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
468  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
469 
470  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
471  (~lhs).append( element->index(), element->value() * y[element->index()] );
472  }
474  //**********************************************************************************************
475 
476  //**Addition assignment to dense vectors********************************************************
490  template< typename VT > // Type of the target dense vector
491  friend inline typename EnableIf< UseAssign<VT> >::Type
492  addAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
493  {
495 
496  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
497 
499 
500  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side sparse vector operand
501  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side dense vector operand
502 
503  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
504  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
505  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
506 
507  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
508  (~lhs)[element->index()] += element->value() * y[element->index()];
509  }
511  //**********************************************************************************************
512 
513  //**Addition assignment to sparse vectors*******************************************************
514  // No special implementation for the addition assignment to sparse vectors.
515  //**********************************************************************************************
516 
517  //**Subtraction assignment to dense vectors*****************************************************
531  template< typename VT > // Type of the target dense vector
532  friend inline typename EnableIf< UseAssign<VT> >::Type
533  subAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
534  {
536 
537  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
538 
540 
541  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side sparse vector operand
542  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side dense vector operand
543 
544  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
545  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
546  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
547 
548  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
549  (~lhs)[element->index()] -= element->value() * y[element->index()];
550  }
552  //**********************************************************************************************
553 
554  //**Subtraction assignment to sparse vectors****************************************************
555  // No special implementation for the subtraction assignment to sparse vectors.
556  //**********************************************************************************************
557 
558  //**Multiplication assignment to dense vectors**************************************************
572  template< typename VT > // Type of the target dense vector
573  friend inline typename EnableIf< UseAssign<VT> >::Type
574  multAssign( DenseVector<VT,TF>& lhs, const SVecDVecMultExpr& rhs )
575  {
577 
578  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
579 
581 
582  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side sparse vector operand
583  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side dense vector operand
584 
585  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
586  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
587  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
588 
589  const ConstIterator end( x.end() );
590  ConstIterator begin( x.begin() );
591  size_t i( 0UL );
592 
593  for( ; begin!=end; ++begin ) {
594  const size_t index( begin->index() );
595  for( ; i<index; ++i )
596  reset( (~lhs)[i] );
597  (~lhs)[index] *= begin->value() * y[index];
598  ++i;
599  }
600 
601  for( ; i<rhs.size(); ++i )
602  reset( (~lhs)[i] );
603  }
605  //**********************************************************************************************
606 
607  //**Multiplication assignment to sparse vectors*************************************************
608  // No special implementation for the multiplication assignment to sparse vectors.
609  //**********************************************************************************************
610 
611  //**Compile time checks*************************************************************************
618  //**********************************************************************************************
619 };
620 //*************************************************************************************************
621 
622 
623 
624 
625 //=================================================================================================
626 //
627 // GLOBAL BINARY ARITHMETIC OPERATORS
628 //
629 //=================================================================================================
630 
631 //*************************************************************************************************
658 template< typename T1 // Type of the left-hand side sparse vector
659  , typename T2 // Type of the right-hand side dense vector
660  , bool TF > // Transpose flag
661 inline const SVecDVecMultExpr<T1,T2,TF>
663 {
665 
666  if( (~lhs).size() != (~rhs).size() )
667  throw std::invalid_argument( "Vector sizes do not match" );
668 
669  return SVecDVecMultExpr<T1,T2,TF>( ~lhs, ~rhs );
670 }
671 //*************************************************************************************************
672 
673 
674 
675 
676 //=================================================================================================
677 //
678 // EXPRESSION TRAIT SPECIALIZATIONS
679 //
680 //=================================================================================================
681 
682 //*************************************************************************************************
684 template< typename VT1, typename VT2, bool TF, bool AF >
685 struct SubvectorExprTrait< SVecDVecMultExpr<VT1,VT2,TF>, AF >
686 {
687  public:
688  //**********************************************************************************************
689  typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
690  , typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
691  //**********************************************************************************************
692 };
694 //*************************************************************************************************
695 
696 } // namespace blaze
697 
698 #endif
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecDVecMultExpr.h:175
Pointer difference type of the Blaze library.
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:174
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:347
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4579
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: SVecDVecMultExpr.h:357
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 begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:317
Header file for the SparseVector base class.
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:281
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:262
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:240
VT1::TransposeType TT1
Transpose type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:97
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:178
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:111
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:399
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
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:96
Header file for the Computation base class.
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:179
SVecDVecMultExpr< VT1, VT2, TF > This
Type of this SVecDVecMultExpr instance.
Definition: SVecDVecMultExpr.h:135
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:391
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:337
Constraint on the data type.
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:150
RemoveReference< LeftOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:169
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:137
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:95
Header file for the MultExprTrait class template.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecMultExpr.h:306
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecDVecMultExpr.h:138
Header file for the ValueIndexPair class.
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.
Header file for the multiplication trait.
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:379
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
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:147
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:79
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:398
Constraint on the data type.
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2381
Constraint on the data type.
Header file for the VecVecMultExpr base class.
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.
Constraint on the data type.
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:92
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:161
Header file for the EnableIf class template.
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:94
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:367
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:292
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:230
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:173
DifferenceType difference_type
Difference between two iterators.
Definition: SVecDVecMultExpr.h:182
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:91
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:136
SelectType< useAssign, const ResultType, const SVecDVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:144
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
VT1::ReturnType RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:93
Header file for run time assertion macros.
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
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:166
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
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
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:273
Header file for the RemoveReference type trait.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:172
#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
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:280
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:69
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:141
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:199
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
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:180
Header file for basic type definitions.
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:210
Header file for the SubvectorExprTrait class template.
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:188
VT2::TransposeType TT2
Transpose type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:98
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:327
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:251
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
#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
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecMultExpr.h:171
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:220
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:181
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:108