DVecSVecSubExpr.h
Go to the documentation of this file.
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/mpl/If.h>
66 #include <blaze/util/Types.h>
68 #include <blaze/util/Unused.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  UNUSED_PARAMETER( 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 UNUSED_PARAMETER function template.
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 declaration for the If class template.The If_t alias declaration provides a convenien...
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.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
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
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
Header file for the DenseVector base class.
Header file for the Computation base class.
constexpr void UNUSED_PARAMETER(const Args &...)
Suppression of unused parameter warnings.
Definition: Unused.h:81
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
#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.
Header file for all forward declarations for expression class templates.
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
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:138
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, 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
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