SVecDVecDivExpr.h
Go to the documentation of this file.
1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECDIVEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECDIVEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <iterator>
44 #include <blaze/math/Aliases.h>
50 #include <blaze/math/Exception.h>
55 #include <blaze/math/shims/Reset.h>
64 #include <blaze/util/Assert.h>
65 #include <blaze/util/EnableIf.h>
67 #include <blaze/util/mpl/If.h>
68 #include <blaze/util/mpl/Maximum.h>
69 #include <blaze/util/Types.h>
71 
72 
73 namespace blaze {
74 
75 //=================================================================================================
76 //
77 // CLASS SVECDVECDIVEXPR
78 //
79 //=================================================================================================
80 
81 //*************************************************************************************************
88 template< typename VT1 // Type of the left-hand side sparse vector
89  , typename VT2 // Type of the right-hand side dense vector
90  , bool TF > // Transpose flag
91 class SVecDVecDivExpr
92  : public VecVecDivExpr< SparseVector< SVecDVecDivExpr<VT1,VT2,TF>, TF > >
93  , private Computation
94 {
95  private:
96  //**Type definitions****************************************************************************
103  //**********************************************************************************************
104 
105  //**Return type evaluation**********************************************************************
107 
112  enum : bool { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
113 
116  //**********************************************************************************************
117 
118  //**Evaluation strategy*************************************************************************
120 
126  enum : bool { useAssign = ( RequiresEvaluation<VT1>::value || RequiresEvaluation<VT2>::value ) };
127 
129  template< typename VT >
131  struct UseAssign {
132  enum : bool { value = useAssign };
133  };
135  //**********************************************************************************************
136 
137  public:
138  //**Type definitions****************************************************************************
143 
146 
149 
151  using LeftOperand = If_< IsExpression<VT1>, const VT1, const VT1& >;
152 
154  using RightOperand = If_< IsExpression<VT2>, const VT2, const VT2& >;
155  //**********************************************************************************************
156 
157  //**Compilation flags***************************************************************************
159  enum : bool { smpAssignable = false };
160  //**********************************************************************************************
161 
162  //**ConstIterator class definition**************************************************************
166  {
167  public:
168  //**Type definitions*************************************************************************
171 
174 
175  using IteratorCategory = std::forward_iterator_tag;
180 
181  // STL iterator requirements
187  //*******************************************************************************************
188 
189  //**Constructor******************************************************************************
193  : it_ ( it ) // Iterator over the elements of the left-hand side sparse vector expression
194  , vec_( vec ) // Right-hand side dense vector expression
195  {}
196  //*******************************************************************************************
197 
198  //**Prefix increment operator****************************************************************
204  ++it_;
205  return *this;
206  }
207  //*******************************************************************************************
208 
209  //**Element access operator******************************************************************
214  inline const Element operator*() const {
215  return Element( it_->value() / vec_[it_->index()], it_->index() );
216  }
217  //*******************************************************************************************
218 
219  //**Element access operator******************************************************************
224  inline const ConstIterator* operator->() const {
225  return this;
226  }
227  //*******************************************************************************************
228 
229  //**Value function***************************************************************************
234  inline ReturnType value() const {
235  return it_->value() / vec_[it_->index()];
236  }
237  //*******************************************************************************************
238 
239  //**Index function***************************************************************************
244  inline size_t index() const {
245  return it_->index();
246  }
247  //*******************************************************************************************
248 
249  //**Equality operator************************************************************************
255  inline bool operator==( const ConstIterator& rhs ) const {
256  return it_ == rhs.it_;
257  }
258  //*******************************************************************************************
259 
260  //**Inequality operator**********************************************************************
266  inline bool operator!=( const ConstIterator& rhs ) const {
267  return it_ != rhs.it_;
268  }
269  //*******************************************************************************************
270 
271  //**Subtraction operator*********************************************************************
277  inline DifferenceType operator-( const ConstIterator& rhs ) const {
278  return it_ - rhs.it_;
279  }
280  //*******************************************************************************************
281 
282  private:
283  //**Member variables*************************************************************************
286  //*******************************************************************************************
287  };
288  //**********************************************************************************************
289 
290  //**Constructor*********************************************************************************
296  explicit inline SVecDVecDivExpr( const VT1& lhs, const VT2& rhs ) noexcept
297  : lhs_( lhs ) // Left-hand side sparse vector of the division expression
298  , rhs_( rhs ) // Right-hand side dense vector of the division expression
299  {
300  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
301  }
302  //**********************************************************************************************
303 
304  //**Subscript operator**************************************************************************
310  inline ReturnType operator[]( size_t index ) const {
311  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
312  return lhs_[index] / rhs_[index];
313  }
314  //**********************************************************************************************
315 
316  //**At function*********************************************************************************
323  inline ReturnType at( size_t index ) const {
324  if( index >= lhs_.size() ) {
325  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
326  }
327  return (*this)[index];
328  }
329  //**********************************************************************************************
330 
331  //**Begin function******************************************************************************
336  inline ConstIterator begin() const {
337  return ConstIterator( lhs_.begin(), rhs_ );
338  }
339  //**********************************************************************************************
340 
341  //**End function********************************************************************************
346  inline ConstIterator end() const {
347  return ConstIterator( lhs_.end(), rhs_ );
348  }
349  //**********************************************************************************************
350 
351  //**Size function*******************************************************************************
356  inline size_t size() const noexcept {
357  return rhs_.size();
358  }
359  //**********************************************************************************************
360 
361  //**NonZeros function***************************************************************************
366  inline size_t nonZeros() const {
367  return lhs_.nonZeros();
368  }
369  //**********************************************************************************************
370 
371  //**Find function*******************************************************************************
377  inline ConstIterator find( size_t index ) const {
379  return ConstIterator( lhs_.find( index ), rhs_ );
380  }
381  //**********************************************************************************************
382 
383  //**LowerBound function*************************************************************************
389  inline ConstIterator lowerBound( size_t index ) const {
391  return ConstIterator( lhs_.lowerBound( index ), rhs_ );
392  }
393  //**********************************************************************************************
394 
395  //**UpperBound function*************************************************************************
401  inline ConstIterator upperBound( size_t index ) const {
403  return ConstIterator( lhs_.upperBound( index ), rhs_ );
404  }
405  //**********************************************************************************************
406 
407  //**Left operand access*************************************************************************
412  inline LeftOperand leftOperand() const noexcept {
413  return lhs_;
414  }
415  //**********************************************************************************************
416 
417  //**Right operand access************************************************************************
422  inline RightOperand rightOperand() const noexcept {
423  return rhs_;
424  }
425  //**********************************************************************************************
426 
427  //**********************************************************************************************
433  template< typename T >
434  inline bool canAlias( const T* alias ) const noexcept {
435  return ( lhs_.canAlias( alias ) ) || ( rhs_.canAlias( alias ) );
436  }
437  //**********************************************************************************************
438 
439  //**********************************************************************************************
445  template< typename T >
446  inline bool isAliased( const T* alias ) const noexcept {
447  return ( lhs_.isAliased( alias ) ) || ( rhs_.isAliased( alias ) );
448  }
449  //**********************************************************************************************
450 
451  private:
452  //**Member variables****************************************************************************
455  //**********************************************************************************************
456 
457  //**Assignment to dense vectors*****************************************************************
471  template< typename VT > // Type of the target dense vector
472  friend inline EnableIf_< UseAssign<VT> >
473  assign( DenseVector<VT,TF>& lhs, const SVecDVecDivExpr& rhs )
474  {
476 
477  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
478 
480 
481  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
482  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
483 
484  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
485  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
486  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
487 
488  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
489  (~lhs)[element->index()] = element->value() / y[element->index()];
490  }
492  //**********************************************************************************************
493 
494  //**Assignment to sparse vectors****************************************************************
508  template< typename VT > // Type of the target sparse vector
509  friend inline EnableIf_< UseAssign<VT> >
510  assign( SparseVector<VT,TF>& lhs, const SVecDVecDivExpr& rhs )
511  {
513 
514  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
515 
517 
518  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
519  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
520 
521  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
522  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
523  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
524 
525  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
526  (~lhs).append( element->index(), element->value() / y[element->index()] );
527  }
529  //**********************************************************************************************
530 
531  //**Addition assignment to dense vectors********************************************************
545  template< typename VT > // Type of the target dense vector
546  friend inline EnableIf_< UseAssign<VT> >
547  addAssign( DenseVector<VT,TF>& lhs, const SVecDVecDivExpr& rhs )
548  {
550 
551  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
552 
554 
555  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
556  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
557 
558  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
559  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
560  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
561 
562  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
563  (~lhs)[element->index()] += element->value() / y[element->index()];
564  }
566  //**********************************************************************************************
567 
568  //**Addition assignment to sparse vectors*******************************************************
569  // No special implementation for the addition assignment to sparse vectors.
570  //**********************************************************************************************
571 
572  //**Subtraction assignment to dense vectors*****************************************************
586  template< typename VT > // Type of the target dense vector
587  friend inline EnableIf_< UseAssign<VT> >
588  subAssign( DenseVector<VT,TF>& lhs, const SVecDVecDivExpr& rhs )
589  {
591 
592  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
593 
595 
596  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
597  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
598 
599  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
600  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
601  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
602 
603  for( ConstIterator element=x.begin(); element!=x.end(); ++element )
604  (~lhs)[element->index()] -= element->value() / y[element->index()];
605  }
607  //**********************************************************************************************
608 
609  //**Subtraction assignment to sparse vectors****************************************************
610  // No special implementation for the subtraction assignment to sparse vectors.
611  //**********************************************************************************************
612 
613  //**Multiplication assignment to dense vectors**************************************************
627  template< typename VT > // Type of the target dense vector
628  friend inline EnableIf_< UseAssign<VT> >
629  multAssign( DenseVector<VT,TF>& lhs, const SVecDVecDivExpr& rhs )
630  {
632 
633  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
634 
636 
637  CT1 x( serial( rhs.lhs_ ) ); // Evaluation of the left-hand side sparse vector operand
638  CT2 y( serial( rhs.rhs_ ) ); // Evaluation of the right-hand side dense vector operand
639 
640  BLAZE_INTERNAL_ASSERT( x.size() == rhs.lhs_.size(), "Invalid vector size" );
641  BLAZE_INTERNAL_ASSERT( y.size() == rhs.rhs_.size(), "Invalid vector size" );
642  BLAZE_INTERNAL_ASSERT( x.size() == (~lhs).size() , "Invalid vector size" );
643 
644  const ConstIterator end( x.end() );
645  ConstIterator begin( x.begin() );
646  size_t i( 0UL );
647 
648  for( ; begin!=end; ++begin ) {
649  const size_t index( begin->index() );
650  for( ; i<index; ++i )
651  reset( (~lhs)[i] );
652  (~lhs)[index] *= begin->value() / y[index];
653  ++i;
654  }
655 
656  for( ; i<rhs.size(); ++i )
657  reset( (~lhs)[i] );
658  }
660  //**********************************************************************************************
661 
662  //**Multiplication assignment to sparse vectors*************************************************
663  // No special implementation for the multiplication assignment to sparse vectors.
664  //**********************************************************************************************
665 
666  //**Compile time checks*************************************************************************
674  //**********************************************************************************************
675 };
676 //*************************************************************************************************
677 
678 
679 
680 
681 //=================================================================================================
682 //
683 // GLOBAL BINARY ARITHMETIC OPERATORS
684 //
685 //=================================================================================================
686 
687 //*************************************************************************************************
713 template< typename VT1 // Type of the left-hand side sparse vector
714  , typename VT2 // Type of the right-hand side dense vector
715  , bool TF > // Transpose flag
716 inline decltype(auto)
717  operator/( const SparseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
718 {
720 
721  if( (~lhs).size() != (~rhs).size() ) {
722  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
723  }
724 
726  return ReturnType( ~lhs, ~rhs );
727 }
728 //*************************************************************************************************
729 
730 
731 
732 
733 //=================================================================================================
734 //
735 // SIZE SPECIALIZATIONS
736 //
737 //=================================================================================================
738 
739 //*************************************************************************************************
741 template< typename VT1, typename VT2, bool TF >
742 struct Size< SVecDVecDivExpr<VT1,VT2,TF> >
743  : public Maximum< Size<VT1>, Size<VT2> >
744 {};
746 //*************************************************************************************************
747 
748 } // namespace blaze
749 
750 #endif
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Pointer difference type of the Blaze library.
Header file for auxiliary alias declarations.
ReferenceType reference
Reference return type.
Definition: SVecDVecDivExpr.h:185
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
Header file for the VecVecDivExpr base class.
CompositeType_< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecDivExpr.h:101
Header file for basic type definitions.
Header file for the SparseVector base class.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecDivExpr.h:336
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecDivExpr.h:310
Header file for the serial shim.
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:560
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecDivExpr.h:151
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
ConstIterator_< RemoveReference_< LeftOperand > > IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecDivExpr.h:173
LeftOperand lhs_
Left-hand side sparse vector of the division expression.
Definition: SVecDVecDivExpr.h:453
Header file for the Computation base class.
Constraint on the data type.
Header file for the RequiresEvaluation type trait.
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
RightOperand rhs_
Right-hand side dense vector of the division expression.
Definition: SVecDVecDivExpr.h:454
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecDivExpr.h:346
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecDivExpr.h:100
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
DivTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecDVecDivExpr.h:140
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
Header file for the DivExprTrait class template.
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecDVecDivExpr.h:323
Header file for the Maximum class template.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecDivExpr.h:98
Header file for the ValueIndexPair class.
Header file for the IsTemporary type trait class.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
Expression object for sparse vector-dense vector divisions.The SVecDVecDivExpr class represents the c...
Definition: Forward.h:132
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3087
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecDivExpr.h:434
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecDivExpr.h:285
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecDivExpr.h:175
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional vector type...
Definition: SparseVector.h:61
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecDivExpr.h:178
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecDVecDivExpr.h:356
Constraint on the data type.
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecDVecDivExpr.h:389
ResultType_< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecDivExpr.h:97
Constraint on the data type.
SVecDVecDivExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecDVecDivExpr class.
Definition: SVecDVecDivExpr.h:296
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecDivExpr.h:154
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecDivExpr.h:224
Header file for the exception macros of the math module.
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SVecDVecDivExpr.h:422
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecDivExpr.h:244
Constraint on the data type.
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: SVecDVecDivExpr.h:234
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecDivExpr.h:214
Header file for the EnableIf class template.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecDivExpr.h:176
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecDivExpr.h:183
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecDivExpr.h:192
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecDivExpr.h:284
ReturnType_< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecDivExpr.h:99
typename DivTrait< T1, T2 >::Type DivTrait_
Auxiliary alias declaration for the DivTrait class template.The DivTrait_ alias declaration provides ...
Definition: DivTrait.h:250
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecDivExpr.h:182
ValueType * PointerType
Pointer return type.
Definition: SVecDVecDivExpr.h:177
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecDivExpr.h:141
Header file for run time assertion macros.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecDivExpr.h:255
Header file for the division trait.
Iterator over the elements of the sparse vector-dense vector division expression. ...
Definition: SVecDVecDivExpr.h:165
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecDivExpr.h:203
Header file for the reset shim.
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
IfTrue_< useAssign, const ResultType, const SVecDVecDivExpr &> CompositeType
Data type for composite expression templates.
Definition: SVecDVecDivExpr.h:148
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecDivExpr.h:366
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:819
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
DivExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecDivExpr.h:115
Header file for the RemoveReference type trait.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecDVecDivExpr.h:377
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecDVecDivExpr.h:412
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3082
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional vector type...
Definition: DenseVector.h:61
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:73
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECDIVEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecDivExpr.h:108
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecDVecDivExpr.h:401
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecDVecDivExpr.h:145
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecDivExpr.h:266
typename DivExprTrait< T1, T2 >::Type DivExprTrait_
Auxiliary alias declaration for the DivExprTrait class template.The DivExprTrait_ alias declaration p...
Definition: DivExprTrait.h:112
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecDivExpr.h:446
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecDivExpr.h:277
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecDivExpr.h:102
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
PointerType pointer
Pointer return type.
Definition: SVecDVecDivExpr.h:184
Header file for the Size type trait.
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.In case the given data type T is not a dense or sparse vector type and in...
Definition: TransposeFlag.h:63
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SVecDVecDivExpr.h:142
Header file for the IsExpression type trait class.
Header file for the function trace functionality.