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DVecSVecMultExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECSVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECSVECMULTEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <iterator>
44 #include <stdexcept>
59 #include <blaze/util/Assert.h>
61 #include <blaze/util/EnableIf.h>
63 #include <blaze/util/SelectType.h>
64 #include <blaze/util/Types.h>
66 
67 
68 namespace blaze {
69 
70 //=================================================================================================
71 //
72 // CLASS DVECSVECMULTEXPR
73 //
74 //=================================================================================================
75 
76 //*************************************************************************************************
83 template< typename VT1 // Type of the left-hand side dense vector
84  , typename VT2 // Type of the right-hand side sparse vector
85  , bool TF > // Transpose flag
86 class DVecSVecMultExpr : public SparseVector< DVecSVecMultExpr<VT1,VT2,TF>, TF >
87  , private VecVecMultExpr
88  , private Computation
89 {
90  private:
91  //**Type definitions****************************************************************************
92  typedef typename VT1::ResultType RT1;
93  typedef typename VT2::ResultType RT2;
94  typedef typename VT1::ReturnType RN1;
95  typedef typename VT2::ReturnType RN2;
96  typedef typename VT1::CompositeType CT1;
97  typedef typename VT2::CompositeType CT2;
98  typedef typename VT1::TransposeType TT1;
99  typedef typename VT2::TransposeType TT2;
100  //**********************************************************************************************
101 
102  //**Return type evaluation**********************************************************************
104 
109  enum { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
110 
113  //**********************************************************************************************
114 
115  //**Evaluation strategy*************************************************************************
117 
124 
126  template< typename VT >
128  struct UseAssign {
129  enum { value = useAssign };
130  };
132  //**********************************************************************************************
133 
134  public:
135  //**Type definitions****************************************************************************
140 
143 
146 
148  typedef typename SelectType< IsExpression<VT1>::value, const VT1, const VT1& >::Type LeftOperand;
149 
151  typedef typename SelectType< IsExpression<VT2>::value, const VT2, const VT2& >::Type RightOperand;
152  //**********************************************************************************************
153 
154  //**ConstIterator class definition**************************************************************
158  {
159  public:
160  //**Type definitions*************************************************************************
163 
166 
167  typedef std::forward_iterator_tag IteratorCategory;
168  typedef Element ValueType;
172 
173  // STL iterator requirements
179  //*******************************************************************************************
180 
181  //**Constructor******************************************************************************
184  inline ConstIterator( LeftOperand vec, IteratorType it )
185  : vec_( vec ) // Left-hand side dense vector expression
186  , it_ ( it ) // Iterator over the elements of the right-hand side sparse vector expression
187  {}
188  //*******************************************************************************************
189 
190  //**Prefix increment operator****************************************************************
196  ++it_;
197  return *this;
198  }
199  //*******************************************************************************************
200 
201  //**Element access operator******************************************************************
206  inline const Element operator*() const {
207  return Element( vec_[it_->index()] * it_->value(), it_->index() );
208  }
209  //*******************************************************************************************
210 
211  //**Element access operator******************************************************************
216  inline const ConstIterator* operator->() const {
217  return this;
218  }
219  //*******************************************************************************************
220 
221  //**Value function***************************************************************************
226  inline ReturnType value() const {
227  return vec_[it_->index()] * it_->value();
228  }
229  //*******************************************************************************************
230 
231  //**Index function***************************************************************************
236  inline size_t index() const {
237  return it_->index();
238  }
239  //*******************************************************************************************
240 
241  //**Equality operator************************************************************************
247  inline bool operator==( const ConstIterator& rhs ) const {
248  return it_ == rhs.it_;
249  }
250  //*******************************************************************************************
251 
252  //**Inequality operator**********************************************************************
258  inline bool operator!=( const ConstIterator& rhs ) const {
259  return it_ != rhs.it_;
260  }
261  //*******************************************************************************************
262 
263  //**Subtraction operator*********************************************************************
269  inline DifferenceType operator-( const ConstIterator& rhs ) const {
270  return it_ - rhs.it_;
271  }
272  //*******************************************************************************************
273 
274  private:
275  //**Member variables*************************************************************************
276  LeftOperand vec_;
278  //*******************************************************************************************
279  };
280  //**********************************************************************************************
281 
282  //**Constructor*********************************************************************************
288  explicit inline DVecSVecMultExpr( const VT1& lhs, const VT2& rhs )
289  : lhs_( lhs ) // Left-hand side dense vector of the multiplication expression
290  , rhs_( rhs ) // Right-hand side sparse vector of the multiplication expression
291  {
292  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
293  }
294  //**********************************************************************************************
295 
296  //**Subscript operator**************************************************************************
302  inline ReturnType operator[]( size_t index ) const {
303  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
304  return lhs_[index] * rhs_[index];
305  }
306  //**********************************************************************************************
307 
308  //**Begin function******************************************************************************
313  inline ConstIterator begin() const {
314  return ConstIterator( lhs_, rhs_.begin() );
315  }
316  //**********************************************************************************************
317 
318  //**End function********************************************************************************
323  inline ConstIterator end() const {
324  return ConstIterator( lhs_, rhs_.end() );
325  }
326  //**********************************************************************************************
327 
328  //**Size function*******************************************************************************
333  inline size_t size() const {
334  return lhs_.size();
335  }
336  //**********************************************************************************************
337 
338  //**NonZeros function***************************************************************************
343  inline size_t nonZeros() const {
344  return rhs_.nonZeros();
345  }
346  //**********************************************************************************************
347 
348  //**Left operand access*************************************************************************
353  inline LeftOperand leftOperand() const {
354  return lhs_;
355  }
356  //**********************************************************************************************
357 
358  //**Right operand access************************************************************************
363  inline RightOperand rightOperand() const {
364  return rhs_;
365  }
366  //**********************************************************************************************
367 
368  //**********************************************************************************************
374  template< typename T >
375  inline bool canAlias( const T* alias ) const {
376  return ( lhs_.canAlias( alias ) || rhs_.canAlias( alias ) );
377  }
378  //**********************************************************************************************
379 
380  //**********************************************************************************************
386  template< typename T >
387  inline bool isAliased( const T* alias ) const {
388  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
389  }
390  //**********************************************************************************************
391 
392  private:
393  //**Member variables****************************************************************************
394  LeftOperand lhs_;
395  RightOperand rhs_;
396  //**********************************************************************************************
397 
398  //**Assignment to dense vectors*****************************************************************
412  template< typename VT > // Type of the target dense vector
413  friend inline typename EnableIf< UseAssign<VT> >::Type
414  assign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
415  {
417 
418  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
419 
421 
422  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
423  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
424 
425  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
426  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
427  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
428 
429  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
430  (~lhs)[element->index()] = x[element->index()] * element->value();
431  }
433  //**********************************************************************************************
434 
435  //**Assignment to sparse vectors****************************************************************
449  template< typename VT > // Type of the target sparse vector
450  friend inline typename EnableIf< UseAssign<VT> >::Type
451  assign( SparseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
452  {
454 
455  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
456 
458 
459  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
460  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
461 
462  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
463  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
464  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
465 
466  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
467  (~lhs).append( element->index(), x[element->index()] * element->value() );
468  }
470  //**********************************************************************************************
471 
472  //**Addition assignment to dense vectors********************************************************
486  template< typename VT > // Type of the target dense vector
487  friend inline typename EnableIf< UseAssign<VT> >::Type
488  addAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
489  {
491 
492  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
493 
495 
496  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
497  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
498 
499  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
500  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
501  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
502 
503  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
504  (~lhs)[element->index()] += x[element->index()] * element->value();
505  }
507  //**********************************************************************************************
508 
509  //**Addition assignment to sparse vectors*******************************************************
510  // No special implementation for the addition assignment to sparse vectors.
511  //**********************************************************************************************
512 
513  //**Subtraction assignment to dense vectors*****************************************************
527  template< typename VT > // Type of the target dense vector
528  friend inline typename EnableIf< UseAssign<VT> >::Type
529  subAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
530  {
532 
533  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
534 
536 
537  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
538  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
539 
540  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
541  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
542  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
543 
544  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
545  (~lhs)[element->index()] -= x[element->index()] * element->value();
546  }
548  //**********************************************************************************************
549 
550  //**Subtraction assignment to sparse vectors****************************************************
551  // No special implementation for the subtraction assignment to sparse vectors.
552  //**********************************************************************************************
553 
554  //**Multiplication assignment to dense vectors**************************************************
568  template< typename VT > // Type of the target dense vector
569  friend inline typename EnableIf< UseAssign<VT> >::Type
570  multAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
571  {
573 
574  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
575 
577 
578  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
579  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
580 
581  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
582  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
583  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
584 
585  const ConstIterator end( y.end() );
586  ConstIterator begin( y.begin() );
587  size_t i( 0UL );
588 
589  for( ; begin!=end; ++begin ) {
590  const size_t index( begin->index() );
591  for( ; i<index; ++i )
592  reset( (~lhs)[i] );
593  (~lhs)[index] *= x[index] * begin->value();
594  ++i;
595  }
596 
597  for( ; i<(~lhs).size(); ++i )
598  reset( (~lhs)[i] );
599  }
601  //**********************************************************************************************
602 
603  //**Multiplication assignment to sparse vectors*************************************************
604  // No special implementation for the multiplication assignment to sparse vectors.
605  //**********************************************************************************************
606 
607  //**Compile time checks*************************************************************************
614  //**********************************************************************************************
615 };
616 //*************************************************************************************************
617 
618 
619 
620 
621 //=================================================================================================
622 //
623 // GLOBAL BINARY ARITHMETIC OPERATORS
624 //
625 //=================================================================================================
626 
627 //*************************************************************************************************
654 template< typename T1 // Type of the left-hand side dense vector
655  , typename T2 // Type of the right-hand side sparse vector
656  , bool TF > // Transpose flag
657 inline const DVecSVecMultExpr<T1,T2,TF>
659 {
661 
662  if( (~lhs).size() != (~rhs).size() )
663  throw std::invalid_argument( "Vector sizes do not match" );
664 
665  return DVecSVecMultExpr<T1,T2,TF>( ~lhs, ~rhs );
666 }
667 //*************************************************************************************************
668 
669 
670 
671 
672 //=================================================================================================
673 //
674 // EXPRESSION TRAIT SPECIALIZATIONS
675 //
676 //=================================================================================================
677 
678 //*************************************************************************************************
680 template< typename VT1, typename VT2, bool TF >
681 struct SubvectorExprTrait< DVecSVecMultExpr<VT1,VT2,TF> >
682 {
683  public:
684  //**********************************************************************************************
685  typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1>::Type
686  , typename SubvectorExprTrait<const VT2>::Type >::Type Type;
687  //**********************************************************************************************
688 };
690 //*************************************************************************************************
691 
692 } // namespace blaze
693 
694 #endif
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecSVecMultExpr.h:171
Pointer difference type of the Blaze library.
LeftOperand vec_
Left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:276
VT2::TransposeType TT2
Transpose type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:99
ConstIterator(LeftOperand vec, IteratorType it)
Constructor for the ConstIterator class.
Definition: DVecSVecMultExpr.h:184
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4512
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:206
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:3703
size_t index() const
Access to the current index of the sparse element.
Definition: DVecSVecMultExpr.h:236
Header file for the SparseVector base class.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: DVecSVecMultExpr.h:343
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:148
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
Element ValueType
Type of the underlying pointers.
Definition: DVecSVecMultExpr.h:168
RightOperand rightOperand() const
Returns the right-hand side sparse vector operand.
Definition: DVecSVecMultExpr.h:363
VT1::CompositeType CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:96
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2375
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:248
Expression object for dense vector-sparse vector multiplications.The DVecSVecMultExpr class represent...
Definition: DVecSVecMultExpr.h:86
Header file for the Computation base class.
ValueType value_type
Type of the underlying pointers.
Definition: DVecSVecMultExpr.h:175
Header file for the RequiresEvaluation type trait.
VT1::TransposeType TT1
Transpose type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:98
IteratorCategory iterator_category
The iterator category.
Definition: DVecSVecMultExpr.h:174
RightOperand rhs_
Right-hand side sparse vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:395
Constraint on the data type.
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: DVecSVecMultExpr.h:167
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:90
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: DVecSVecMultExpr.h:269
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DVecSVecMultExpr.h:142
Header file for the ValueIndexPair class.
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecSVecMultExpr.h:195
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:2379
ResultType::ElementType ElementType
Resulting element type.
Definition: DVecSVecMultExpr.h:139
SelectType< useAssign, const ResultType, const DVecSVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DVecSVecMultExpr.h:145
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
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
RemoveReference< RightOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: DVecSVecMultExpr.h:165
#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
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DVecSVecMultExpr.h:138
Constraint on the data type.
DifferenceType difference_type
Difference between two iterators.
Definition: DVecSVecMultExpr.h:178
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:151
VT1::ResultType RT1
Result type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:92
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2372
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.
ReturnType value() const
Access to the current value of the sparse element.
Definition: DVecSVecMultExpr.h:226
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecMultExpr.h:302
Header file for the EnableIf class template.
VT2::ResultType RT2
Result type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:93
VT1::ReturnType RN1
Return type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:94
VT2::CompositeType CT2
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:97
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecSVecMultExpr.h:258
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2374
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
ReferenceType reference
Reference return type.
Definition: DVecSVecMultExpr.h:177
Iterator over the elements of the dense vector-sparse vector multiplication expression.
Definition: DVecSVecMultExpr.h:157
Header file for run time assertion macros.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: DVecSVecMultExpr.h:313
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
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
ValueType & ReferenceType
Reference return type.
Definition: DVecSVecMultExpr.h:170
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: DVecSVecMultExpr.h:323
Header file for the RemoveReference type trait.
PointerType pointer
Pointer return type.
Definition: DVecSVecMultExpr.h:176
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:216
VT2::ReturnType RN2
Return type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:95
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: DVecSVecMultExpr.h:162
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: DVecSVecMultExpr.h:353
#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
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DVecSVecMultExpr.h:375
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:69
ValueType * PointerType
Pointer return type.
Definition: DVecSVecMultExpr.h:169
LeftOperand lhs_
Left-hand side dense vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:394
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
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
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DVecSVecMultExpr.h:387
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2370
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecSVecMultExpr.h:247
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DVecSVecMultExpr.h:137
DVecSVecMultExpr< VT1, VT2, TF > This
Type of this DVecSVecMultExpr instance.
Definition: DVecSVecMultExpr.h:136
IteratorType it_
Iterator over the elements of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:277
DVecSVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecSVecMultExpr class.
Definition: DVecSVecMultExpr.h:288
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DVecSVecMultExpr.h:112
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
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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecSVecMultExpr.h:333