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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  //**Compilation flags***************************************************************************
156  enum { smpAssignable = 0 };
157  //**********************************************************************************************
158 
159  //**ConstIterator class definition**************************************************************
163  {
164  public:
165  //**Type definitions*************************************************************************
168 
171 
172  typedef std::forward_iterator_tag IteratorCategory;
173  typedef Element ValueType;
177 
178  // STL iterator requirements
184  //*******************************************************************************************
185 
186  //**Constructor******************************************************************************
189  inline ConstIterator( LeftOperand vec, IteratorType it )
190  : vec_( vec ) // Left-hand side dense vector expression
191  , it_ ( it ) // Iterator over the elements of the right-hand side sparse vector expression
192  {}
193  //*******************************************************************************************
194 
195  //**Prefix increment operator****************************************************************
201  ++it_;
202  return *this;
203  }
204  //*******************************************************************************************
205 
206  //**Element access operator******************************************************************
211  inline const Element operator*() const {
212  return Element( vec_[it_->index()] * it_->value(), it_->index() );
213  }
214  //*******************************************************************************************
215 
216  //**Element access operator******************************************************************
221  inline const ConstIterator* operator->() const {
222  return this;
223  }
224  //*******************************************************************************************
225 
226  //**Value function***************************************************************************
231  inline ReturnType value() const {
232  return vec_[it_->index()] * it_->value();
233  }
234  //*******************************************************************************************
235 
236  //**Index function***************************************************************************
241  inline size_t index() const {
242  return it_->index();
243  }
244  //*******************************************************************************************
245 
246  //**Equality operator************************************************************************
252  inline bool operator==( const ConstIterator& rhs ) const {
253  return it_ == rhs.it_;
254  }
255  //*******************************************************************************************
256 
257  //**Inequality operator**********************************************************************
263  inline bool operator!=( const ConstIterator& rhs ) const {
264  return it_ != rhs.it_;
265  }
266  //*******************************************************************************************
267 
268  //**Subtraction operator*********************************************************************
274  inline DifferenceType operator-( const ConstIterator& rhs ) const {
275  return it_ - rhs.it_;
276  }
277  //*******************************************************************************************
278 
279  private:
280  //**Member variables*************************************************************************
281  LeftOperand vec_;
283  //*******************************************************************************************
284  };
285  //**********************************************************************************************
286 
287  //**Constructor*********************************************************************************
293  explicit inline DVecSVecMultExpr( const VT1& lhs, const VT2& rhs )
294  : lhs_( lhs ) // Left-hand side dense vector of the multiplication expression
295  , rhs_( rhs ) // Right-hand side sparse vector of the multiplication expression
296  {
297  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
298  }
299  //**********************************************************************************************
300 
301  //**Subscript operator**************************************************************************
307  inline ReturnType operator[]( size_t index ) const {
308  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
309  return lhs_[index] * rhs_[index];
310  }
311  //**********************************************************************************************
312 
313  //**Begin function******************************************************************************
318  inline ConstIterator begin() const {
319  return ConstIterator( lhs_, rhs_.begin() );
320  }
321  //**********************************************************************************************
322 
323  //**End function********************************************************************************
328  inline ConstIterator end() const {
329  return ConstIterator( lhs_, rhs_.end() );
330  }
331  //**********************************************************************************************
332 
333  //**Size function*******************************************************************************
338  inline size_t size() const {
339  return lhs_.size();
340  }
341  //**********************************************************************************************
342 
343  //**NonZeros function***************************************************************************
348  inline size_t nonZeros() const {
349  return rhs_.nonZeros();
350  }
351  //**********************************************************************************************
352 
353  //**Left operand access*************************************************************************
358  inline LeftOperand leftOperand() const {
359  return lhs_;
360  }
361  //**********************************************************************************************
362 
363  //**Right operand access************************************************************************
368  inline RightOperand rightOperand() const {
369  return rhs_;
370  }
371  //**********************************************************************************************
372 
373  //**********************************************************************************************
379  template< typename T >
380  inline bool canAlias( const T* alias ) const {
381  return ( lhs_.canAlias( alias ) || rhs_.canAlias( alias ) );
382  }
383  //**********************************************************************************************
384 
385  //**********************************************************************************************
391  template< typename T >
392  inline bool isAliased( const T* alias ) const {
393  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
394  }
395  //**********************************************************************************************
396 
397  private:
398  //**Member variables****************************************************************************
399  LeftOperand lhs_;
400  RightOperand rhs_;
401  //**********************************************************************************************
402 
403  //**Assignment to dense vectors*****************************************************************
417  template< typename VT > // Type of the target dense vector
418  friend inline typename EnableIf< UseAssign<VT> >::Type
419  assign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
420  {
422 
423  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
424 
426 
427  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
428  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
429 
430  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
431  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
432  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
433 
434  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
435  (~lhs)[element->index()] = x[element->index()] * element->value();
436  }
438  //**********************************************************************************************
439 
440  //**Assignment to sparse vectors****************************************************************
454  template< typename VT > // Type of the target sparse vector
455  friend inline typename EnableIf< UseAssign<VT> >::Type
456  assign( SparseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
457  {
459 
460  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
461 
463 
464  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
465  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
466 
467  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
468  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
469  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
470 
471  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
472  (~lhs).append( element->index(), x[element->index()] * element->value() );
473  }
475  //**********************************************************************************************
476 
477  //**Addition assignment to dense vectors********************************************************
491  template< typename VT > // Type of the target dense vector
492  friend inline typename EnableIf< UseAssign<VT> >::Type
493  addAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
494  {
496 
497  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
498 
500 
501  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
502  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
503 
504  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
505  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
506  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
507 
508  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
509  (~lhs)[element->index()] += x[element->index()] * element->value();
510  }
512  //**********************************************************************************************
513 
514  //**Addition assignment to sparse vectors*******************************************************
515  // No special implementation for the addition assignment to sparse vectors.
516  //**********************************************************************************************
517 
518  //**Subtraction assignment to dense vectors*****************************************************
532  template< typename VT > // Type of the target dense vector
533  friend inline typename EnableIf< UseAssign<VT> >::Type
534  subAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
535  {
537 
538  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
539 
541 
542  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
543  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
544 
545  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
546  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
547  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
548 
549  for( ConstIterator element=y.begin(); element!=y.end(); ++element )
550  (~lhs)[element->index()] -= x[element->index()] * element->value();
551  }
553  //**********************************************************************************************
554 
555  //**Subtraction assignment to sparse vectors****************************************************
556  // No special implementation for the subtraction assignment to sparse vectors.
557  //**********************************************************************************************
558 
559  //**Multiplication assignment to dense vectors**************************************************
573  template< typename VT > // Type of the target dense vector
574  friend inline typename EnableIf< UseAssign<VT> >::Type
575  multAssign( DenseVector<VT,TF>& lhs, const DVecSVecMultExpr& rhs )
576  {
578 
579  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
580 
582 
583  CT1 x( rhs.lhs_ ); // Evaluation of the left-hand side dense vector operand
584  CT2 y( rhs.rhs_ ); // Evaluation of the right-hand side sparse vector operand
585 
586  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
587  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
588  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
589 
590  const ConstIterator end( y.end() );
591  ConstIterator begin( y.begin() );
592  size_t i( 0UL );
593 
594  for( ; begin!=end; ++begin ) {
595  const size_t index( begin->index() );
596  for( ; i<index; ++i )
597  reset( (~lhs)[i] );
598  (~lhs)[index] *= x[index] * begin->value();
599  ++i;
600  }
601 
602  for( ; i<(~lhs).size(); ++i )
603  reset( (~lhs)[i] );
604  }
606  //**********************************************************************************************
607 
608  //**Multiplication assignment to sparse vectors*************************************************
609  // No special implementation for the multiplication assignment to sparse vectors.
610  //**********************************************************************************************
611 
612  //**Compile time checks*************************************************************************
619  //**********************************************************************************************
620 };
621 //*************************************************************************************************
622 
623 
624 
625 
626 //=================================================================================================
627 //
628 // GLOBAL BINARY ARITHMETIC OPERATORS
629 //
630 //=================================================================================================
631 
632 //*************************************************************************************************
659 template< typename T1 // Type of the left-hand side dense vector
660  , typename T2 // Type of the right-hand side sparse vector
661  , bool TF > // Transpose flag
662 inline const DVecSVecMultExpr<T1,T2,TF>
664 {
666 
667  if( (~lhs).size() != (~rhs).size() )
668  throw std::invalid_argument( "Vector sizes do not match" );
669 
670  return DVecSVecMultExpr<T1,T2,TF>( ~lhs, ~rhs );
671 }
672 //*************************************************************************************************
673 
674 
675 
676 
677 //=================================================================================================
678 //
679 // EXPRESSION TRAIT SPECIALIZATIONS
680 //
681 //=================================================================================================
682 
683 //*************************************************************************************************
685 template< typename VT1, typename VT2, bool TF, bool AF >
686 struct SubvectorExprTrait< DVecSVecMultExpr<VT1,VT2,TF>, AF >
687 {
688  public:
689  //**********************************************************************************************
690  typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
691  , typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
692  //**********************************************************************************************
693 };
695 //*************************************************************************************************
696 
697 } // namespace blaze
698 
699 #endif
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecSVecMultExpr.h:176
Pointer difference type of the Blaze library.
LeftOperand vec_
Left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:281
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:189
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
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:211
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
size_t index() const
Access to the current index of the sparse element.
Definition: DVecSVecMultExpr.h:241
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:348
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:197
Element ValueType
Type of the underlying pointers.
Definition: DVecSVecMultExpr.h:173
RightOperand rightOperand() const
Returns the right-hand side sparse vector operand.
Definition: DVecSVecMultExpr.h:368
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:2384
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
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:180
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:179
RightOperand rhs_
Right-hand side sparse vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:400
Constraint on the data type.
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: DVecSVecMultExpr.h:172
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:274
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:200
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
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:170
#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:183
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: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.
ReturnType value() const
Access to the current value of the sparse element.
Definition: DVecSVecMultExpr.h:231
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecMultExpr.h:307
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:263
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
ReferenceType reference
Reference return type.
Definition: DVecSVecMultExpr.h:182
Iterator over the elements of the dense vector-sparse vector multiplication expression.
Definition: DVecSVecMultExpr.h:162
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:318
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:175
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: DVecSVecMultExpr.h:328
Header file for the RemoveReference type trait.
PointerType pointer
Pointer return type.
Definition: DVecSVecMultExpr.h:181
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:221
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:167
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: DVecSVecMultExpr.h:358
#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:380
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:174
LeftOperand lhs_
Left-hand side dense vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:399
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:392
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecSVecMultExpr.h:252
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:282
DVecSVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecSVecMultExpr class.
Definition: DVecSVecMultExpr.h:293
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:338