Blaze  3.6
DVecSVecSubExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECSVECSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECSVECSUBEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <utility>
44 #include <blaze/math/Aliases.h>
50 #include <blaze/math/Exception.h>
61 #include <blaze/util/Assert.h>
62 #include <blaze/util/DisableIf.h>
63 #include <blaze/util/EnableIf.h>
65 #include <blaze/util/MaybeUnused.h>
66 #include <blaze/util/mpl/If.h>
67 #include <blaze/util/Types.h>
69 
70 
71 namespace blaze {
72 
73 //=================================================================================================
74 //
75 // CLASS DVECSVECSUBEXPR
76 //
77 //=================================================================================================
78 
79 //*************************************************************************************************
86 template< typename VT1 // Type of the left-hand side dense vector
87  , typename VT2 // Type of the right-hand side sparse vector
88  , bool TF > // Transpose flag
90  : public VecVecSubExpr< DenseVector< DVecSVecSubExpr<VT1,VT2,TF>, TF > >
91  , private Computation
92 {
93  private:
94  //**Type definitions****************************************************************************
103  //**********************************************************************************************
104 
105  //**Return type evaluation**********************************************************************
107 
112  static constexpr bool returnExpr = !IsTemporary_v<RN1> && !IsTemporary_v<RN2>;
113 
115  using ExprReturnType = decltype( std::declval<RN1>() - std::declval<RN2>() );
116  //**********************************************************************************************
117 
118  //**Parallel evaluation strategy****************************************************************
120 
125  template< typename VT >
126  static constexpr bool UseSMPAssign_v = ( !VT1::smpAssignable || !VT2::smpAssignable );
128  //**********************************************************************************************
129 
130  public:
131  //**Type definitions****************************************************************************
137 
140 
142  using CompositeType = const ResultType;
143 
145  using LeftOperand = If_t< IsExpression_v<VT1>, const VT1, const VT1& >;
146 
148  using RightOperand = If_t< IsExpression_v<VT2>, const VT2, const VT2& >;
149  //**********************************************************************************************
150 
151  //**Compilation flags***************************************************************************
153  static constexpr bool simdEnabled = false;
154 
156  static constexpr bool smpAssignable = false;
157  //**********************************************************************************************
158 
159  //**Constructor*********************************************************************************
165  explicit inline DVecSVecSubExpr( const VT1& lhs, const VT2& rhs ) noexcept
166  : lhs_( lhs ) // Left-hand side dense vector of the subtraction expression
167  , rhs_( rhs ) // Right-hand side sparse vector of the subtraction expression
168  {
169  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
170  }
171  //**********************************************************************************************
172 
173  //**Subscript operator**************************************************************************
179  inline ReturnType operator[]( size_t index ) const {
180  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
181  return lhs_[index] - rhs_[index];
182  }
183  //**********************************************************************************************
184 
185  //**At function*********************************************************************************
192  inline ReturnType at( size_t index ) const {
193  if( index >= lhs_.size() ) {
194  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
195  }
196  return (*this)[index];
197  }
198  //**********************************************************************************************
199 
200  //**Size function*******************************************************************************
205  inline size_t size() const noexcept {
206  return lhs_.size();
207  }
208  //**********************************************************************************************
209 
210  //**Left operand access*************************************************************************
215  inline LeftOperand leftOperand() const noexcept {
216  return lhs_;
217  }
218  //**********************************************************************************************
219 
220  //**Right operand access************************************************************************
225  inline RightOperand rightOperand() const noexcept {
226  return rhs_;
227  }
228  //**********************************************************************************************
229 
230  //**********************************************************************************************
236  template< typename T >
237  inline bool canAlias( const T* alias ) const noexcept {
238  return ( IsExpression_v<VT1> && lhs_.canAlias( alias ) ) ||
239  ( rhs_.canAlias( alias ) );
240  }
241  //**********************************************************************************************
242 
243  //**********************************************************************************************
249  template< typename T >
250  inline bool isAliased( const T* alias ) const noexcept {
251  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
252  }
253  //**********************************************************************************************
254 
255  private:
256  //**Member variables****************************************************************************
259  //**********************************************************************************************
260 
261  //**Assignment to dense vectors*****************************************************************
273  template< typename VT > // Type of the target dense vector
274  friend inline void assign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
275  {
277 
278  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
279 
280  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
281  subAssign( ~lhs, rhs.rhs_ );
282  }
283  else {
284  assign ( ~lhs, rhs.lhs_ );
285  subAssign( ~lhs, rhs.rhs_ );
286  }
287  }
289  //**********************************************************************************************
290 
291  //**Assignment to sparse vectors****************************************************************
303  template< typename VT > // Type of the target sparse vector
304  friend inline void assign( SparseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
305  {
307 
311 
312  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
313 
314  const ResultType tmp( serial( rhs ) );
315  assign( ~lhs, tmp );
316  }
318  //**********************************************************************************************
319 
320  //**Addition assignment to dense vectors********************************************************
332  template< typename VT > // Type of the target dense vector
333  friend inline void addAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
334  {
336 
337  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
338 
339  addAssign( ~lhs, rhs.lhs_ );
340  subAssign( ~lhs, rhs.rhs_ );
341  }
343  //**********************************************************************************************
344 
345  //**Addition assignment to sparse vectors*******************************************************
346  // No special implementation for the addition assignment to sparse vectors.
347  //**********************************************************************************************
348 
349  //**Subtraction assignment to dense vectors*****************************************************
361  template< typename VT > // Type of the target dense vector
362  friend inline void subAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
363  {
365 
366  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
367 
368  subAssign( ~lhs, rhs.lhs_ );
369  addAssign( ~lhs, rhs.rhs_ );
370  }
372  //**********************************************************************************************
373 
374  //**Subtraction assignment to sparse vectors****************************************************
375  // No special implementation for the subtraction assignment to sparse vectors.
376  //**********************************************************************************************
377 
378  //**Multiplication assignment to dense vectors**************************************************
390  template< typename VT > // Type of the target dense vector
391  friend inline void multAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
392  {
394 
398 
399  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
400 
401  const ResultType tmp( serial( rhs ) );
402  multAssign( ~lhs, tmp );
403  }
405  //**********************************************************************************************
406 
407  //**Multiplication assignment to sparse vectors*************************************************
408  // No special implementation for the multiplication assignment to sparse vectors.
409  //**********************************************************************************************
410 
411  //**Division assignment to dense vectors********************************************************
423  template< typename VT > // Type of the target dense vector
424  friend inline void divAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
425  {
427 
431 
432  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
433 
434  const ResultType tmp( serial( rhs ) );
435  divAssign( ~lhs, tmp );
436  }
438  //**********************************************************************************************
439 
440  //**Division assignment to sparse vectors*******************************************************
441  // No special implementation for the division assignment to sparse vectors.
442  //**********************************************************************************************
443 
444  //**SMP assignment to dense vectors*************************************************************
458  template< typename VT > // Type of the target dense vector
459  friend inline auto smpAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
460  -> EnableIf_t< UseSMPAssign_v<VT> >
461  {
463 
464  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
465 
466  if( !IsComputation_v<VT1> && isSame( ~lhs, rhs.lhs_ ) ) {
467  smpSubAssign( ~lhs, rhs.rhs_ );
468  }
469  else {
470  smpAssign ( ~lhs, rhs.lhs_ );
471  smpSubAssign( ~lhs, rhs.rhs_ );
472  }
473  }
475  //**********************************************************************************************
476 
477  //**SMP assignment to sparse vectors************************************************************
491  template< typename VT > // Type of the target sparse vector
492  friend inline auto smpAssign( SparseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
493  -> EnableIf_t< UseSMPAssign_v<VT> >
494  {
496 
500 
501  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
502 
503  const ResultType tmp( rhs );
504  smpAssign( ~lhs, tmp );
505  }
507  //**********************************************************************************************
508 
509  //**SMP addition assignment to dense vectors****************************************************
523  template< typename VT > // Type of the target dense vector
524  friend inline auto smpAddAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
525  -> EnableIf_t< UseSMPAssign_v<VT> >
526  {
528 
529  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
530 
531  smpAddAssign( ~lhs, rhs.lhs_ );
532  smpSubAssign( ~lhs, rhs.rhs_ );
533  }
535  //**********************************************************************************************
536 
537  //**SMP addition assignment to sparse vectors***************************************************
538  // No special implementation for the SMP addition assignment to sparse vectors.
539  //**********************************************************************************************
540 
541  //**SMP subtraction assignment to dense vectors*************************************************
556  template< typename VT > // Type of the target dense vector
557  friend inline auto smpSubAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
558  -> EnableIf_t< UseSMPAssign_v<VT> >
559  {
561 
562  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
563 
564  smpSubAssign( ~lhs, rhs.lhs_ );
565  smpAddAssign( ~lhs, rhs.rhs_ );
566  }
568  //**********************************************************************************************
569 
570  //**SMP subtraction assignment to sparse vectors************************************************
571  // No special implementation for the SMP subtraction assignment to sparse vectors.
572  //**********************************************************************************************
573 
574  //**SMP multiplication assignment to dense vectors**********************************************
589  template< typename VT > // Type of the target dense vector
590  friend inline auto smpMultAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
591  -> EnableIf_t< UseSMPAssign_v<VT> >
592  {
594 
598 
599  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
600 
601  const ResultType tmp( rhs );
602  smpMultAssign( ~lhs, tmp );
603  }
605  //**********************************************************************************************
606 
607  //**SMP multiplication assignment to sparse vectors*********************************************
608  // No special implementation for the SMP multiplication assignment to sparse vectors.
609  //**********************************************************************************************
610 
611  //**SMP division assignment to dense vectors****************************************************
625  template< typename VT > // Type of the target dense vector
626  friend inline auto smpDivAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
627  -> EnableIf_t< UseSMPAssign_v<VT> >
628  {
630 
634 
635  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
636 
637  const ResultType tmp( rhs );
638  smpDivAssign( ~lhs, tmp );
639  }
641  //**********************************************************************************************
642 
643  //**SMP division assignment to sparse vectors***************************************************
644  // No special implementation for the SMP divisor assignment to sparse vectors.
645  //**********************************************************************************************
646 
647  //**Compile time checks*************************************************************************
655  //**********************************************************************************************
656 };
657 //*************************************************************************************************
658 
659 
660 
661 
662 //=================================================================================================
663 //
664 // GLOBAL BINARY ARITHMETIC OPERATORS
665 //
666 //=================================================================================================
667 
668 //*************************************************************************************************
681 template< typename VT1 // Type of the left-hand side dense vector
682  , typename VT2 // Type of the right-hand side sparse vector
683  , bool TF // Transpose flag
684  , DisableIf_t< IsZero_v<VT2> &&
685  IsSame_v< ElementType_t<VT1>, ElementType_t<VT2> > >* = nullptr >
686 inline const DVecSVecSubExpr<VT1,VT2,TF>
687  dvecsvecsub( const DenseVector<VT1,TF>& lhs, const SparseVector<VT2,TF>& rhs )
688 {
690 
691  BLAZE_INTERNAL_ASSERT( (~lhs).size() == (~rhs).size(), "Invalid vector sizes" );
692 
693  return DVecSVecSubExpr<VT1,VT2,TF>( ~lhs, ~rhs );
694 }
696 //*************************************************************************************************
697 
698 
699 //*************************************************************************************************
712 template< typename VT1 // Type of the left-hand side dense vector
713  , typename VT2 // Type of the right-hand side sparse vector
714  , bool TF // Transpose flag
715  , EnableIf_t< IsZero_v<VT2> &&
716  IsSame_v< ElementType_t<VT1>, ElementType_t<VT2> > >* = nullptr >
717 inline const VT1&
718  dvecsvecsub( const DenseVector<VT1,TF>& lhs, const SparseVector<VT2,TF>& rhs )
719 {
721 
722  MAYBE_UNUSED( rhs );
723 
724  BLAZE_INTERNAL_ASSERT( (~lhs).size() == (~rhs).size(), "Invalid vector sizes" );
725 
726  return (~lhs);
727 }
729 //*************************************************************************************************
730 
731 
732 //*************************************************************************************************
758 template< typename VT1 // Type of the left-hand side dense vector
759  , typename VT2 // Type of the right-hand side sparse vector
760  , bool TF > // Transpose flag
761 inline decltype(auto)
762  operator-( const DenseVector<VT1,TF>& lhs, const SparseVector<VT2,TF>& rhs )
763 {
765 
766  if( (~lhs).size() != (~rhs).size() ) {
767  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
768  }
769 
770  return dvecsvecsub( ~lhs, ~rhs );
771 }
772 //*************************************************************************************************
773 
774 
775 
776 
777 //=================================================================================================
778 //
779 // GLOBAL RESTRUCTURING BINARY ARITHMETIC OPERATORS
780 //
781 //=================================================================================================
782 
783 //*************************************************************************************************
796 template< typename VT1 // Type of the dense vector of the left-hand side expression
797  , typename VT2 // Type of the sparse vector of the left-hand side expression
798  , bool TF // Transpose flag of the left-hand side expression
799  , typename VT3 > // Type of the right-hand side dense vector
800 inline decltype(auto)
801  operator+( const DVecSVecSubExpr<VT1,VT2,TF>& lhs, const DenseVector<VT3,TF>& rhs )
802 {
804 
805  return ( lhs.leftOperand() + (~rhs) ) - lhs.rightOperand();
806 }
808 //*************************************************************************************************
809 
810 
811 //*************************************************************************************************
824 template< typename VT1 // Type of the dense vector of the left-hand side expression
825  , typename VT2 // Type of the sparse vector of the left-hand side expression
826  , bool TF // Transpose flag of the left-hand side expression
827  , typename VT3 > // Type of the right-hand side dense vector
828 inline decltype(auto)
829  operator-( const DVecSVecSubExpr<VT1,VT2,TF>& lhs, const DenseVector<VT3,TF>& rhs )
830 {
832 
833  return ( lhs.leftOperand() - (~rhs) ) - lhs.rightOperand();
834 }
836 //*************************************************************************************************
837 
838 } // namespace blaze
839 
840 #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
Header file for auxiliary alias declarations.
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecSVecSubExpr.h:135
typename SubTrait< T1, T2 >::Type SubTrait_t
Auxiliary alias declaration for the SubTrait class template.The SubTrait_t alias declaration provides...
Definition: SubTrait.h:238
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DVecSVecSubExpr.h:112
Header file for the subtraction trait.
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecSVecSubExpr.h:139
bool isSame(const Matrix< MT1, SO1 > &a, const Matrix< MT2, SO2 > &b) noexcept
Returns whether the two given matrices represent the same observable state.
Definition: Matrix.h:992
Header file for basic type definitions.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias template for the If class template.The If_t alias template provides a convenient shor...
Definition: If.h:109
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:99
Header file for the IsSame and IsStrictlySame type traits.
RightOperand rhs_
Right-hand side sparse vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:258
Header file for the DenseVector base class.
Header file for the MAYBE_UNUSED function template.
Header file for the Computation base class.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
ReturnType_t< VT2 > RN2
Return type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:98
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
auto smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:220
TransposeType_t< VT2 > TT2
Transpose type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:102
Expression object for dense vector-sparse vector subtractions.The DVecSVecSubExpr class represents th...
Definition: DVecSVecSubExpr.h:89
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecSVecSubExpr.h:237
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
CompositeType_t< VT2 > CT2
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:100
Header file for the If class template.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecSubExpr.h:179
#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
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
constexpr void MAYBE_UNUSED(const Args &...)
Suppression of unused parameter warnings.
Definition: MaybeUnused.h:81
#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
Constraint on the data type.
Constraint on the data type.
ResultType_t< VT2 > RT2
Result type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:96
Header file for the exception macros of the math module.
If_t< IsExpression_v< VT1 >, const VT1, const VT1 & > LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:145
Header file for the VecVecSubExpr base class.
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DVecSVecSubExpr.h:136
Constraint on the data type.
Constraint on the data type.
Header file for the EnableIf class template.
const ResultType CompositeType
Data type for composite expression templates.
Definition: DVecSVecSubExpr.h:142
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecSVecSubExpr.h:215
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecSVecSubExpr.h:250
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
auto smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:131
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecSVecSubExpr.h:192
Header file for the IsZero type trait.
#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
Header file for all forward declarations for expression class templates.
constexpr size_t size(const Matrix< MT, SO > &matrix) noexcept
Returns the total number of elements of the matrix.
Definition: Matrix.h:530
auto smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:100
TransposeType_t< VT1 > TT1
Transpose type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:101
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
#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
Constraint on the data type.
LeftOperand lhs_
Left-hand side dense vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:257
#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
DVecSVecSubExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecSVecSubExpr class.
Definition: DVecSVecSubExpr.h:165
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecSVecSubExpr.h:205
decltype(std::declval< RN1 >() - std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecSVecSubExpr.h:115
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECSUBEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecSubExpr.h:104
Header file for the IsComputation type trait class.
auto smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:162
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:146
SubTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecSVecSubExpr.h:134
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecSVecSubExpr.h:153
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: DVecSVecSubExpr.h:225
Base class for all vector/vector subtraction expression templates.The VecVecSubExpr class serves as a...
Definition: VecVecSubExpr.h:66
#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,...
Definition: Assert.h:101
auto smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP multiplication assignment of a vector to a dense vector.
Definition: DenseVector.h:191
If_t< IsExpression_v< VT2 >, const VT2, const VT2 & > RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:148
Header file for the IsExpression type trait class.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecSVecSubExpr.h:156
Header file for the function trace functionality.
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:95
ReturnType_t< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:97