SVecRealExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECREALEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECREALEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <cmath>
44 #include <iterator>
52 #include <blaze/math/shims/Real.h>
69 #include <blaze/util/Assert.h>
72 #include <blaze/util/EnableIf.h>
73 #include <blaze/util/Exception.h>
74 #include <blaze/util/InvalidType.h>
76 #include <blaze/util/SelectType.h>
77 #include <blaze/util/Types.h>
79 
80 
81 namespace blaze {
82 
83 //=================================================================================================
84 //
85 // CLASS SVECREALEXPR
86 //
87 //=================================================================================================
88 
89 //*************************************************************************************************
96 template< typename VT // Type of the sparse vector
97  , bool TF > // Transpose flag
98 class SVecRealExpr : public SparseVector< SVecRealExpr<VT,TF>, TF >
99  , private VecRealExpr
100  , private Computation
101 {
102  private:
103  //**Type definitions****************************************************************************
104  typedef typename VT::ResultType RT;
105  typedef typename VT::ReturnType RN;
106  typedef typename VT::CompositeType CT;
107  typedef typename VT::TransposeType TT;
108  typedef typename VT::ElementType ET;
109  //**********************************************************************************************
110 
111  //**Return type evaluation**********************************************************************
113 
118  enum { returnExpr = !IsTemporary<RN>::value };
119 
122  //**********************************************************************************************
123 
124  //**Serial evaluation strategy******************************************************************
126 
132  enum { useAssign = RequiresEvaluation<VT>::value };
133 
135  template< typename VT2 >
137  struct UseAssign {
138  enum { value = useAssign };
139  };
141  //**********************************************************************************************
142 
143  //**Parallel evaluation strategy****************************************************************
145 
151  template< typename VT2 >
152  struct UseSMPAssign {
153  enum { value = ( !VT2::smpAssignable || !VT::smpAssignable ) && useAssign };
154  };
156  //**********************************************************************************************
157 
158  public:
159  //**Type definitions****************************************************************************
161  typedef typename RealTrait<RT>::Type ResultType;
164 
167 
170 
172  typedef typename SelectType< IsExpression<VT>::value, const VT, const VT& >::Type Operand;
173  //**********************************************************************************************
174 
175  //**Compilation flags***************************************************************************
177  enum { smpAssignable = VT::smpAssignable };
178  //**********************************************************************************************
179 
180  //**ConstIterator class definition**************************************************************
184  {
185  public:
186  //**Type definitions*************************************************************************
189 
192 
193  typedef std::forward_iterator_tag IteratorCategory;
194  typedef Element ValueType;
195  typedef ValueType* PointerType;
196  typedef ValueType& ReferenceType;
198 
199  // STL iterator requirements
200  typedef IteratorCategory iterator_category;
201  typedef ValueType value_type;
202  typedef PointerType pointer;
203  typedef ReferenceType reference;
204  typedef DifferenceType difference_type;
205  //*******************************************************************************************
206 
207  //**Constructor******************************************************************************
210  inline ConstIterator( IteratorType it )
211  : it_( it ) // Iterator over the elements of the sparse vector expression
212  {}
213  //*******************************************************************************************
214 
215  //**Prefix increment operator****************************************************************
221  ++it_;
222  return *this;
223  }
224  //*******************************************************************************************
225 
226  //**Element access operator******************************************************************
231  inline const Element operator*() const {
232  return Element( real( it_->value() ), it_->index() );
233  }
234  //*******************************************************************************************
235 
236  //**Element access operator******************************************************************
241  inline const ConstIterator* operator->() const {
242  return this;
243  }
244  //*******************************************************************************************
245 
246  //**Value function***************************************************************************
251  inline ReturnType value() const {
252  return real( it_->value() );
253  }
254  //*******************************************************************************************
255 
256  //**Index function***************************************************************************
261  inline size_t index() const {
262  return it_->index();
263  }
264  //*******************************************************************************************
265 
266  //**Equality operator************************************************************************
272  inline bool operator==( const ConstIterator& rhs ) const {
273  return it_ == rhs.it_;
274  }
275  //*******************************************************************************************
276 
277  //**Inequality operator**********************************************************************
283  inline bool operator!=( const ConstIterator& rhs ) const {
284  return it_ != rhs.it_;
285  }
286  //*******************************************************************************************
287 
288  //**Subtraction operator*********************************************************************
294  inline DifferenceType operator-( const ConstIterator& rhs ) const {
295  return it_ - rhs.it_;
296  }
297  //*******************************************************************************************
298 
299  private:
300  //**Member variables*************************************************************************
301  IteratorType it_;
302  //*******************************************************************************************
303  };
304  //**********************************************************************************************
305 
306  //**Constructor*********************************************************************************
311  explicit inline SVecRealExpr( const VT& sv )
312  : sv_( sv ) // Sparse vector of the real part expression
313  {}
314  //**********************************************************************************************
315 
316  //**Subscript operator**************************************************************************
322  inline ReturnType operator[]( size_t index ) const {
323  BLAZE_INTERNAL_ASSERT( index < sv_.size(), "Invalid vector access index" );
324  return real( sv_[index] );
325  }
326  //**********************************************************************************************
327 
328  //**At function*********************************************************************************
335  inline ReturnType at( size_t index ) const {
336  if( index >= sv_.size() ) {
337  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
338  }
339  return (*this)[index];
340  }
341  //**********************************************************************************************
342 
343  //**Begin function******************************************************************************
348  inline ConstIterator begin() const {
349  return ConstIterator( sv_.begin() );
350  }
351  //**********************************************************************************************
352 
353  //**End function********************************************************************************
358  inline ConstIterator end() const {
359  return ConstIterator( sv_.end() );
360  }
361  //**********************************************************************************************
362 
363  //**Size function*******************************************************************************
368  inline size_t size() const {
369  return sv_.size();
370  }
371  //**********************************************************************************************
372 
373  //**NonZeros function***************************************************************************
378  inline size_t nonZeros() const {
379  return sv_.nonZeros();
380  }
381  //**********************************************************************************************
382 
383  //**Find function*******************************************************************************
389  inline ConstIterator find( size_t index ) const {
391  return ConstIterator( sv_.find( index ) );
392  }
393  //**********************************************************************************************
394 
395  //**LowerBound function*************************************************************************
401  inline ConstIterator lowerBound( size_t index ) const {
403  return ConstIterator( sv_.lowerBound( index ) );
404  }
405  //**********************************************************************************************
406 
407  //**UpperBound function*************************************************************************
413  inline ConstIterator upperBound( size_t index ) const {
415  return ConstIterator( sv_.upperBound( index ) );
416  }
417  //**********************************************************************************************
418 
419  //**Operand access******************************************************************************
424  inline Operand operand() const {
425  return sv_;
426  }
427  //**********************************************************************************************
428 
429  //**********************************************************************************************
435  template< typename T >
436  inline bool canAlias( const T* alias ) const {
437  return sv_.canAlias( alias );
438  }
439  //**********************************************************************************************
440 
441  //**********************************************************************************************
447  template< typename T >
448  inline bool isAliased( const T* alias ) const {
449  return sv_.isAliased( alias );
450  }
451  //**********************************************************************************************
452 
453  //**********************************************************************************************
458  inline bool canSMPAssign() const {
459  return sv_.canSMPAssign();
460  }
461  //**********************************************************************************************
462 
463  private:
464  //**Member variables****************************************************************************
465  Operand sv_;
466  //**********************************************************************************************
467 
468  //**Assignment to dense vectors*****************************************************************
483  template< typename VT2 > // Type of the target dense vector
484  friend inline typename EnableIf< UseAssign<VT2> >::Type
485  assign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
486  {
488 
492 
493  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
494 
495  const RT tmp( serial( rhs.sv_ ) );
496  assign( ~lhs, real( tmp ) );
497  }
499  //**********************************************************************************************
500 
501  //**Assignment to sparse vectors****************************************************************
515  template< typename VT2 > // Type of the target sparse vector
516  friend inline typename EnableIf< UseAssign<VT2> >::Type
517  assign( SparseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
518  {
520 
524 
525  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
526 
527  const RT tmp( serial( rhs.sv_ ) );
528  (~lhs).reserve( tmp.nonZeros() );
529  assign( ~lhs, real( tmp ) );
530  }
532  //**********************************************************************************************
533 
534  //**Addition assignment to dense vectors********************************************************
548  template< typename VT2 > // Type of the target dense vector
549  friend inline typename EnableIf< UseAssign<VT2> >::Type
550  addAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
551  {
553 
557 
558  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
559 
560  const RT tmp( serial( rhs.sv_ ) );
561  addAssign( ~lhs, real( tmp ) );
562  }
564  //**********************************************************************************************
565 
566  //**Addition assignment to sparse vectors*******************************************************
567  // No special implementation for the addition assignment to sparse vectors.
568  //**********************************************************************************************
569 
570  //**Subtraction assignment to dense vectors*****************************************************
584  template< typename VT2 > // Type of the target dense vector
585  friend inline typename EnableIf< UseAssign<VT2> >::Type
586  subAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
587  {
589 
593 
594  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
595 
596  const RT tmp( serial( rhs.sv_ ) );
597  subAssign( ~lhs, real( tmp ) );
598  }
600  //**********************************************************************************************
601 
602  //**Subtraction assignment to sparse vectors****************************************************
603  // No special implementation for the subtraction assignment to sparse vectors.
604  //**********************************************************************************************
605 
606  //**Multiplication assignment to dense vectors**************************************************
620  template< typename VT2 > // Type of the target dense vector
621  friend inline typename EnableIf< UseAssign<VT2> >::Type
622  multAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
623  {
625 
629 
630  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
631 
632  const RT tmp( serial( rhs.sv_ ) );
633  multAssign( ~lhs, real( tmp ) );
634  }
636  //**********************************************************************************************
637 
638  //**Multiplication assignment to sparse vectors*************************************************
639  // No special implementation for the multiplication assignment to sparse vectors.
640  //**********************************************************************************************
641 
642  //**SMP assignment to dense vectors*************************************************************
656  template< typename VT2 > // Type of the target dense vector
657  friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
658  smpAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
659  {
661 
665 
666  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
667 
668  const RT tmp( rhs.sv_ );
669  smpAssign( ~lhs, real( tmp ) );
670  }
672  //**********************************************************************************************
673 
674  //**SMP assignment to sparse vectors************************************************************
675  // No special implementation for the SMP assignment to sparse vectors.
676  //**********************************************************************************************
677 
678  //**SMP addition assignment to dense vectors****************************************************
692  template< typename VT2 > // Type of the target dense vector
693  friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
694  smpAddAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
695  {
697 
701 
702  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
703 
704  const RT tmp( rhs.sv_ );
705  smpAddAssign( ~lhs, real( tmp ) );
706  }
708  //**********************************************************************************************
709 
710  //**SMP addition assignment to sparse vectors***************************************************
711  // No special implementation for the SMP addition assignment to sparse vectors.
712  //**********************************************************************************************
713 
714  //**SMP subtraction assignment to dense vectors*************************************************
728  template< typename VT2 > // Type of the target dense vector
729  friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
730  smpSubAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
731  {
733 
737 
738  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
739 
740  const RT tmp( rhs.sv_ );
741  smpSubAssign( ~lhs, real( tmp ) );
742  }
744  //**********************************************************************************************
745 
746  //**SMP subtraction assignment to sparse vectors************************************************
747  // No special implementation for the SMP subtraction assignment to sparse vectors.
748  //**********************************************************************************************
749 
750  //**SMP multiplication assignment to dense vectors**********************************************
764  template< typename VT2 > // Type of the target dense vector
765  friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
766  smpMultAssign( DenseVector<VT2,TF>& lhs, const SVecRealExpr& rhs )
767  {
769 
773 
774  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
775 
776  const RT tmp( rhs.sv_ );
777  smpMultAssign( ~lhs, real( tmp ) );
778  }
780  //**********************************************************************************************
781 
782  //**SMP multiplication assignment to sparse vectors*********************************************
783  // No special implementation for the SMP multiplication assignment to sparse vectors.
784  //**********************************************************************************************
785 
786  //**Compile time checks*************************************************************************
790  BLAZE_CONSTRAINT_MUST_NOT_BE_BUILTIN_TYPE( typename UnderlyingNumeric<VT>::Type );
792  //**********************************************************************************************
793 };
794 //*************************************************************************************************
795 
796 
797 
798 
799 //=================================================================================================
800 //
801 // GLOBAL FUNCTIONS
802 //
803 //=================================================================================================
804 
805 //*************************************************************************************************
822 template< typename VT // Type of the sparse vector
823  , bool TF > // Transpose flag
824 inline const typename RealExprTrait<VT>::Type real( const SparseVector<VT,TF>& sv )
825 {
827 
828  return typename RealExprTrait<VT>::Type( ~sv );
829 }
830 //*************************************************************************************************
831 
832 
833 
834 
835 //=================================================================================================
836 //
837 // GLOBAL RESTRUCTURING FUNCTIONS
838 //
839 //=================================================================================================
840 
841 //*************************************************************************************************
852 template< typename VT // Type of the sparse vector
853  , bool TF > // Transpose flag
854 inline const SVecRealExpr<VT,TF>& real( const SVecRealExpr<VT,TF>& sv )
855 {
857 
858  return sv;
859 }
861 //*************************************************************************************************
862 
863 
864 
865 
866 //=================================================================================================
867 //
868 // SIZE SPECIALIZATIONS
869 //
870 //=================================================================================================
871 
872 //*************************************************************************************************
874 template< typename VT, bool TF >
875 struct Size< SVecRealExpr<VT,TF> > : public Size<VT>
876 {};
878 //*************************************************************************************************
879 
880 
881 
882 
883 //=================================================================================================
884 //
885 // EXPRESSION TRAIT SPECIALIZATIONS
886 //
887 //=================================================================================================
888 
889 //*************************************************************************************************
891 template< typename VT >
892 struct SVecRealExprTrait< SVecRealExpr<VT,false> >
893 {
894  public:
895  //**********************************************************************************************
896  typedef typename SelectType< IsSparseVector<VT>::value && IsColumnVector<VT>::value
897  , SVecRealExpr<VT,false>
898  , INVALID_TYPE >::Type Type;
899  //**********************************************************************************************
900 };
902 //*************************************************************************************************
903 
904 
905 //*************************************************************************************************
907 template< typename VT >
908 struct TSVecRealExprTrait< SVecRealExpr<VT,true> >
909 {
910  public:
911  //**********************************************************************************************
912  typedef typename SelectType< IsSparseVector<VT>::value && IsRowVector<VT>::value
913  , SVecRealExpr<VT,true>
914  , INVALID_TYPE >::Type Type;
915  //**********************************************************************************************
916 };
918 //*************************************************************************************************
919 
920 
921 //*************************************************************************************************
923 template< typename VT, bool TF, bool AF >
924 struct SubvectorExprTrait< SVecRealExpr<VT,TF>, AF >
925 {
926  public:
927  //**********************************************************************************************
928  typedef typename RealExprTrait< typename SubvectorExprTrait<const VT,AF>::Type >::Type Type;
929  //**********************************************************************************************
930 };
932 //*************************************************************************************************
933 
934 } // namespace blaze
935 
936 #endif
VT::ReturnType RN
Return type of the sparse vector expression.
Definition: SVecRealExpr.h:105
Header file for the UnderlyingNumeric type trait.
Pointer difference type of the Blaze library.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecRealExpr.h:197
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecRealExpr.h:389
Header file for the VecRealExpr base class.
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: SVecRealExpr.h:231
Header file for basic type definitions.
Header file for the SparseVector base class.
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecRealExpr.h:193
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecRealExpr.h:401
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type Operand
Composite data type of the sparse vector expression.
Definition: SVecRealExpr.h:172
Element ValueType
Type of the underlying pointers.
Definition: SVecRealExpr.h:194
RealExprTrait< RN >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecRealExpr.h:121
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:207
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecRealExpr.h:322
IteratorType it_
Iterator over the elements of the sparse vector expression.
Definition: SVecRealExpr.h:301
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2588
Header file for the IsRowVector type trait.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:259
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecRealExpr.h:251
PointerType pointer
Pointer return type.
Definition: SVecRealExpr.h:202
Header file for the RealExprTrait class template.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecRealExpr.h:294
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:721
Header file for the Computation base class.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SVecRealExpr.h:458
Header file for the RequiresEvaluation type trait.
Constraint on the data type.
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecRealExpr.h:283
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecRealExpr.h:358
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecRealExpr.h:166
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecRealExpr.h:335
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.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecRealExpr.h:272
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
RemoveReference< Operand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecRealExpr.h:191
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2592
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecRealExpr.h:163
VT::TransposeType TT
Transpose type of the sparse vector expression.
Definition: SVecRealExpr.h:107
VT::CompositeType CT
Composite type of the sparse vector expression.
Definition: SVecRealExpr.h:106
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exceptionThis macro encapsulates the default way of Bla...
Definition: Exception.h:331
Header file for the SVecRealExprTrait class template.
Iterator over the elements of the sparse vector real part expression.
Definition: SVecRealExpr.h:183
SVecRealExpr(const VT &sv)
Constructor for the SVecRealExpr class.
Definition: SVecRealExpr.h:311
size_t index() const
Access to the current index of the sparse element.
Definition: SVecRealExpr.h:261
SelectType< useAssign, const ResultType, const SVecRealExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecRealExpr.h:169
Header file for the TSVecRealExprTrait class template.
const RealExprTrait< MT >::Type real(const DenseMatrix< MT, SO > &dm)
Returns a matrix containing the real part of each single element of dm.
Definition: DMatRealExpr.h:920
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecRealExpr.h:348
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
Expression object for the sparse vector real() function.The SVecRealExpr class represents the compile...
Definition: Forward.h:126
#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
Constraint on the data type.
Header file for the real trait.
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2585
Header file for the real shim.
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecRealExpr.h:188
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SVecRealExpr.h:210
DifferenceType difference_type
Difference between two iterators.
Definition: SVecRealExpr.h:204
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2586
Constraint on the data type.
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecRealExpr.h:436
Header file for the EnableIf class template.
Header file for the serial shim.
SVecRealExpr< VT, TF > This
Type of this SVecRealExpr instance.
Definition: SVecRealExpr.h:160
IteratorCategory iterator_category
The iterator category.
Definition: SVecRealExpr.h:200
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecRealExpr.h:220
EnableIf< IsDenseMatrix< MT1 > >::Type smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
Header file for the IsSparseVector type trait.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2587
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecRealExpr.h:448
VT::ElementType ET
Element type of the sparse vector expression.
Definition: SVecRealExpr.h:108
Header file for run time assertion macros.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:98
Utility type for generic codes.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecRealExpr.h:378
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecRealExpr.h:241
ValueType & ReferenceType
Reference return type.
Definition: SVecRealExpr.h:196
Base template for the RealTrait class.The RealTrait class template offers the possibility to select t...
Definition: RealTrait.h:78
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
RealTrait< RT >::Type ResultType
Result type for expression template evaluations.
Definition: SVecRealExpr.h:161
#define BLAZE_CONSTRAINT_MUST_NOT_BE_BUILTIN_TYPE(T)
Constraint on the data type.In case the given data type T is a built-in data type, a compilation error is created.
Definition: Builtin.h:116
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecRealExpr.h:162
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:118
Header file for the RemoveReference type trait.
ValueType value_type
Type of the underlying pointers.
Definition: SVecRealExpr.h:201
ValueType * PointerType
Pointer return type.
Definition: SVecRealExpr.h:195
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:70
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecRealExpr.h:368
Header file for the IsComputation type trait class.
Evaluation of the return type of a real part expression.Via this type trait it is possible to evaluat...
Definition: RealExprTrait.h:88
EnableIf< IsDenseMatrix< MT1 > >::Type smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:129
VT::ResultType RT
Result type of the sparse vector expression.
Definition: SVecRealExpr.h:104
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:118
#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:2583
Operand operand() const
Returns the sparse vector operand.
Definition: SVecRealExpr.h:424
Header file for the SubvectorExprTrait class template.
Operand sv_
Sparse vector of the real part expression.
Definition: SVecRealExpr.h:465
Header file for exception macros.
ReferenceType reference
Reference return type.
Definition: SVecRealExpr.h:203
Header file for the IsColumnVector type trait.
EnableIf< IsDenseVector< VT1 > >::Type smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:189
Header file for the Size type trait.
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.In case the given data type T is not a dense or sparse vector type and in...
Definition: TransposeFlag.h:81
#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
Constraint on the data type.
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecRealExpr.h:413