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 <blaze/math/Aliases.h>
48 #include <blaze/math/Exception.h>
66 #include <blaze/util/Assert.h>
68 #include <blaze/util/EnableIf.h>
69 #include <blaze/util/InvalidType.h>
71 #include <blaze/util/mpl/And.h>
72 #include <blaze/util/mpl/If.h>
73 #include <blaze/util/mpl/Max.h>
74 #include <blaze/util/Types.h>
75 
76 
77 namespace blaze {
78 
79 //=================================================================================================
80 //
81 // CLASS DVECSVECSUBEXPR
82 //
83 //=================================================================================================
84 
85 //*************************************************************************************************
92 template< typename VT1 // Type of the left-hand side dense vector
93  , typename VT2 // Type of the right-hand side sparse vector
94  , bool TF > // Transpose flag
95 class DVecSVecSubExpr : public DenseVector< DVecSVecSubExpr<VT1,VT2,TF>, TF >
96  , private VecVecSubExpr
97  , private Computation
98 {
99  private:
100  //**Type definitions****************************************************************************
109  //**********************************************************************************************
110 
111  //**Return type evaluation**********************************************************************
113 
118  enum : bool { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
119 
122  //**********************************************************************************************
123 
124  //**Parallel evaluation strategy****************************************************************
126 
131  template< typename VT >
132  struct UseSMPAssign {
133  enum : bool { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) };
134  };
136  //**********************************************************************************************
137 
138  public:
139  //**Type definitions****************************************************************************
144 
147 
149  typedef const ResultType CompositeType;
150 
152  typedef If_< IsExpression<VT1>, const VT1, const VT1& > LeftOperand;
153 
155  typedef If_< IsExpression<VT2>, const VT2, const VT2& > RightOperand;
156  //**********************************************************************************************
157 
158  //**Compilation flags***************************************************************************
160  enum : bool { simdEnabled = false };
161 
163  enum : bool { smpAssignable = false };
164  //**********************************************************************************************
165 
166  //**Constructor*********************************************************************************
172  explicit inline DVecSVecSubExpr( const VT1& lhs, const VT2& rhs ) noexcept
173  : lhs_( lhs ) // Left-hand side dense vector of the subtraction expression
174  , rhs_( rhs ) // Right-hand side sparse vector of the subtraction expression
175  {
176  BLAZE_INTERNAL_ASSERT( lhs.size() == rhs.size(), "Invalid vector sizes" );
177  }
178  //**********************************************************************************************
179 
180  //**Subscript operator**************************************************************************
186  inline ReturnType operator[]( size_t index ) const {
187  BLAZE_INTERNAL_ASSERT( index < lhs_.size(), "Invalid vector access index" );
188  return lhs_[index] - rhs_[index];
189  }
190  //**********************************************************************************************
191 
192  //**At function*********************************************************************************
199  inline ReturnType at( size_t index ) const {
200  if( index >= lhs_.size() ) {
201  BLAZE_THROW_OUT_OF_RANGE( "Invalid vector access index" );
202  }
203  return (*this)[index];
204  }
205  //**********************************************************************************************
206 
207  //**Size function*******************************************************************************
212  inline size_t size() const noexcept {
213  return lhs_.size();
214  }
215  //**********************************************************************************************
216 
217  //**Left operand access*************************************************************************
222  inline LeftOperand leftOperand() const noexcept {
223  return lhs_;
224  }
225  //**********************************************************************************************
226 
227  //**Right operand access************************************************************************
232  inline RightOperand rightOperand() const noexcept {
233  return rhs_;
234  }
235  //**********************************************************************************************
236 
237  //**********************************************************************************************
243  template< typename T >
244  inline bool canAlias( const T* alias ) const noexcept {
245  return ( IsExpression<VT1>::value && lhs_.canAlias( alias ) ) ||
246  ( rhs_.canAlias( alias ) );
247  }
248  //**********************************************************************************************
249 
250  //**********************************************************************************************
256  template< typename T >
257  inline bool isAliased( const T* alias ) const noexcept {
258  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
259  }
260  //**********************************************************************************************
261 
262  private:
263  //**Member variables****************************************************************************
264  LeftOperand lhs_;
265  RightOperand rhs_;
266  //**********************************************************************************************
267 
268  //**Assignment to dense vectors*****************************************************************
280  template< typename VT > // Type of the target dense vector
281  friend inline void assign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
282  {
284 
285  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
286 
287  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
288  subAssign( ~lhs, rhs.rhs_ );
289  }
290  else {
291  assign ( ~lhs, rhs.lhs_ );
292  subAssign( ~lhs, rhs.rhs_ );
293  }
294  }
296  //**********************************************************************************************
297 
298  //**Assignment to sparse vectors****************************************************************
310  template< typename VT > // Type of the target sparse vector
311  friend inline void assign( SparseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
312  {
314 
318 
319  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
320 
321  const ResultType tmp( serial( rhs ) );
322  assign( ~lhs, tmp );
323  }
325  //**********************************************************************************************
326 
327  //**Addition assignment to dense vectors********************************************************
339  template< typename VT > // Type of the target dense vector
340  friend inline void addAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
341  {
343 
344  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
345 
346  addAssign( ~lhs, rhs.lhs_ );
347  subAssign( ~lhs, rhs.rhs_ );
348  }
350  //**********************************************************************************************
351 
352  //**Addition assignment to sparse vectors*******************************************************
353  // No special implementation for the addition assignment to sparse vectors.
354  //**********************************************************************************************
355 
356  //**Subtraction assignment to dense vectors*****************************************************
368  template< typename VT > // Type of the target dense vector
369  friend inline void subAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
370  {
372 
373  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
374 
375  subAssign( ~lhs, rhs.lhs_ );
376  addAssign( ~lhs, rhs.rhs_ );
377  }
379  //**********************************************************************************************
380 
381  //**Subtraction assignment to sparse vectors****************************************************
382  // No special implementation for the subtraction assignment to sparse vectors.
383  //**********************************************************************************************
384 
385  //**Multiplication assignment to dense vectors**************************************************
397  template< typename VT > // Type of the target dense vector
398  friend inline void multAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
399  {
401 
404  BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE( CompositeType_<ResultType> );
405 
406  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
407 
408  const ResultType tmp( serial( rhs ) );
409  multAssign( ~lhs, tmp );
410  }
412  //**********************************************************************************************
413 
414  //**Multiplication assignment to sparse vectors*************************************************
415  // No special implementation for the multiplication assignment to sparse vectors.
416  //**********************************************************************************************
417 
418  //**Division assignment to dense vectors********************************************************
430  template< typename VT > // Type of the target dense vector
431  friend inline void divAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
432  {
434 
437  BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE( CompositeType_<ResultType> );
438 
439  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
440 
441  const ResultType tmp( serial( rhs ) );
442  divAssign( ~lhs, tmp );
443  }
445  //**********************************************************************************************
446 
447  //**Division assignment to sparse vectors*******************************************************
448  // No special implementation for the division assignment to sparse vectors.
449  //**********************************************************************************************
450 
451  //**SMP assignment to dense vectors*************************************************************
465  template< typename VT > // Type of the target dense vector
466  friend inline EnableIf_< UseSMPAssign<VT> >
467  smpAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
468  {
470 
471  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
472 
473  if( !IsComputation<VT1>::value && isSame( ~lhs, rhs.lhs_ ) ) {
474  smpSubAssign( ~lhs, rhs.rhs_ );
475  }
476  else {
477  smpAssign ( ~lhs, rhs.lhs_ );
478  smpSubAssign( ~lhs, rhs.rhs_ );
479  }
480  }
482  //**********************************************************************************************
483 
484  //**SMP assignment to sparse vectors************************************************************
498  template< typename VT > // Type of the target sparse vector
499  friend inline EnableIf_< UseSMPAssign<VT> >
500  smpAssign( SparseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
501  {
503 
506  BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE( CompositeType_<ResultType> );
507 
508  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
509 
510  const ResultType tmp( rhs );
511  smpAssign( ~lhs, tmp );
512  }
514  //**********************************************************************************************
515 
516  //**SMP addition assignment to dense vectors****************************************************
530  template< typename VT > // Type of the target dense vector
531  friend inline EnableIf_< UseSMPAssign<VT> >
532  smpAddAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
533  {
535 
536  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
537 
538  smpAddAssign( ~lhs, rhs.lhs_ );
539  smpSubAssign( ~lhs, rhs.rhs_ );
540  }
542  //**********************************************************************************************
543 
544  //**SMP addition assignment to sparse vectors***************************************************
545  // No special implementation for the SMP addition assignment to sparse vectors.
546  //**********************************************************************************************
547 
548  //**SMP subtraction assignment to dense vectors*************************************************
563  template< typename VT > // Type of the target dense vector
564  friend inline EnableIf_< UseSMPAssign<VT> >
565  smpSubAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
566  {
568 
569  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
570 
571  smpSubAssign( ~lhs, rhs.lhs_ );
572  smpAddAssign( ~lhs, rhs.rhs_ );
573  }
575  //**********************************************************************************************
576 
577  //**SMP subtraction assignment to sparse vectors************************************************
578  // No special implementation for the SMP subtraction assignment to sparse vectors.
579  //**********************************************************************************************
580 
581  //**SMP multiplication assignment to dense vectors**********************************************
596  template< typename VT > // Type of the target dense vector
597  friend inline EnableIf_< UseSMPAssign<VT> >
598  smpMultAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
599  {
601 
604  BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE( CompositeType_<ResultType> );
605 
606  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
607 
608  const ResultType tmp( rhs );
609  smpMultAssign( ~lhs, tmp );
610  }
612  //**********************************************************************************************
613 
614  //**SMP multiplication assignment to sparse vectors*********************************************
615  // No special implementation for the SMP multiplication assignment to sparse vectors.
616  //**********************************************************************************************
617 
618  //**SMP division assignment to dense vectors****************************************************
632  template< typename VT > // Type of the target dense vector
633  friend inline EnableIf_< UseSMPAssign<VT> >
634  smpDivAssign( DenseVector<VT,TF>& lhs, const DVecSVecSubExpr& rhs )
635  {
637 
640  BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE( CompositeType_<ResultType> );
641 
642  BLAZE_INTERNAL_ASSERT( (~lhs).size() == rhs.size(), "Invalid vector sizes" );
643 
644  const ResultType tmp( rhs );
645  smpDivAssign( ~lhs, tmp );
646  }
648  //**********************************************************************************************
649 
650  //**SMP division assignment to sparse vectors***************************************************
651  // No special implementation for the SMP divisor assignment to sparse vectors.
652  //**********************************************************************************************
653 
654  //**Compile time checks*************************************************************************
662  //**********************************************************************************************
663 };
664 //*************************************************************************************************
665 
666 
667 
668 
669 //=================================================================================================
670 //
671 // GLOBAL BINARY ARITHMETIC OPERATORS
672 //
673 //=================================================================================================
674 
675 //*************************************************************************************************
701 template< typename T1 // Type of the left-hand side dense vector
702  , typename T2 // Type of the right-hand side sparse vector
703  , bool TF > // Transpose flag
704 inline const DVecSVecSubExpr<T1,T2,TF>
706 {
708 
709  if( (~lhs).size() != (~rhs).size() ) {
710  BLAZE_THROW_INVALID_ARGUMENT( "Vector sizes do not match" );
711  }
712 
713  return DVecSVecSubExpr<T1,T2,TF>( ~lhs, ~rhs );
714 }
715 //*************************************************************************************************
716 
717 
718 
719 
720 //=================================================================================================
721 //
722 // GLOBAL RESTRUCTURING BINARY ARITHMETIC OPERATORS
723 //
724 //=================================================================================================
725 
726 //*************************************************************************************************
739 template< typename T1 // Type of the dense vector of the left-hand side expression
740  , typename T2 // Type of the sparse vector of the left-hand side expression
741  , bool TF // Transpose flag of the left-hand side expression
742  , typename T3 > // Type of the right-hand side dense vector
743 inline const AddExprTrait_< DVecSVecSubExpr<T1,T2,TF>, T3 >
744  operator+( const DVecSVecSubExpr<T1,T2,TF>& lhs, const DenseVector<T3,TF>& rhs )
745 {
747 
748  return ( lhs.leftOperand() + (~rhs) ) - lhs.rightOperand();
749 }
751 //*************************************************************************************************
752 
753 
754 //*************************************************************************************************
767 template< typename T1 // Type of the dense vector of the left-hand side expression
768  , typename T2 // Type of the sparse vector of the left-hand side expression
769  , bool TF // Transpose flag of the left-hand side expression
770  , typename T3 > // Type of the right-hand side dense vector
771 inline const SubExprTrait_< DVecSVecSubExpr<T1,T2,TF>, T3 >
772  operator-( const DVecSVecSubExpr<T1,T2,TF>& lhs, const DenseVector<T3,TF>& rhs )
773 {
775 
776  return ( lhs.leftOperand() - (~rhs) ) - lhs.rightOperand();
777 }
779 //*************************************************************************************************
780 
781 
782 
783 
784 //=================================================================================================
785 //
786 // SIZE SPECIALIZATIONS
787 //
788 //=================================================================================================
789 
790 //*************************************************************************************************
792 template< typename VT1, typename VT2, bool TF >
793 struct Size< DVecSVecSubExpr<VT1,VT2,TF> >
794  : public Max< Size<VT1>, Size<VT2> >
795 {};
797 //*************************************************************************************************
798 
799 
800 
801 
802 //=================================================================================================
803 //
804 // EXPRESSION TRAIT SPECIALIZATIONS
805 //
806 //=================================================================================================
807 
808 //*************************************************************************************************
810 template< typename VT1, typename VT2, typename VT3 >
811 struct DVecDVecAddExprTrait< DVecSVecSubExpr<VT1,VT2,false>, VT3 >
812 {
813  public:
814  //**********************************************************************************************
816  using Type = If_< And< IsDenseVector<VT1>, IsColumnVector<VT1>
817  , IsSparseVector<VT2>, IsColumnVector<VT2>
818  , IsDenseVector<VT3>, IsColumnVector<VT3> >
819  , DVecSVecSubExprTrait_< DVecDVecAddExprTrait_<VT1,VT3>, VT2 >
820  , INVALID_TYPE >;
822  //**********************************************************************************************
823 };
825 //*************************************************************************************************
826 
827 
828 //*************************************************************************************************
830 template< typename VT1, typename VT2, typename VT3 >
831 struct TDVecTDVecAddExprTrait< DVecSVecSubExpr<VT1,VT2,true>, VT3 >
832 {
833  public:
834  //**********************************************************************************************
836  using Type = If_< And< IsDenseVector<VT1>, IsRowVector<VT1>
837  , IsSparseVector<VT2>, IsRowVector<VT2>
838  , IsDenseVector<VT3>, IsRowVector<VT3> >
839  , TDVecTSVecSubExprTrait_< TDVecTDVecAddExprTrait_<VT1,VT3>, VT2 >
840  , INVALID_TYPE >;
842  //**********************************************************************************************
843 };
845 //*************************************************************************************************
846 
847 
848 //*************************************************************************************************
850 template< typename VT1, typename VT2, typename VT3 >
851 struct DVecDVecSubExprTrait< DVecSVecSubExpr<VT1,VT2,false>, VT3 >
852 {
853  public:
854  //**********************************************************************************************
856  using Type = If_< And< IsDenseVector<VT1>, IsColumnVector<VT1>
857  , IsSparseVector<VT2>, IsColumnVector<VT2>
858  , IsDenseVector<VT3>, IsColumnVector<VT3> >
859  , DVecSVecSubExprTrait_< DVecDVecSubExprTrait_<VT1,VT3>, VT2 >
860  , INVALID_TYPE >;
862  //**********************************************************************************************
863 };
865 //*************************************************************************************************
866 
867 
868 //*************************************************************************************************
870 template< typename VT1, typename VT2, typename VT3 >
871 struct TDVecTDVecSubExprTrait< DVecSVecSubExpr<VT1,VT2,true>, VT3 >
872 {
873  public:
874  //**********************************************************************************************
876  using Type = If_< And< IsDenseVector<VT1>, IsRowVector<VT1>
877  , IsSparseVector<VT2>, IsRowVector<VT2>
878  , IsDenseVector<VT3>, IsRowVector<VT3> >
879  , TDVecTSVecSubExprTrait_< TDVecTDVecSubExprTrait_<VT1,VT3>, VT2 >
880  , INVALID_TYPE >;
882  //**********************************************************************************************
883 };
885 //*************************************************************************************************
886 
887 
888 //*************************************************************************************************
890 template< typename VT1, typename VT2, bool TF, bool AF >
891 struct SubvectorExprTrait< DVecSVecSubExpr<VT1,VT2,TF>, AF >
892 {
893  public:
894  //**********************************************************************************************
895  using Type = SubExprTrait_< SubvectorExprTrait_<const VT1,AF>
896  , SubvectorExprTrait_<const VT2,AF> >;
897  //**********************************************************************************************
898 };
900 //*************************************************************************************************
901 
902 } // namespace blaze
903 
904 #endif
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecSVecSubExpr.h:222
#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.
Header file for the Max class template.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:72
CompositeType_< VT2 > CT2
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:106
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
ReturnType_< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:103
Header file for the subtraction trait.
BLAZE_ALWAYS_INLINE 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:653
Header file for basic type definitions.
EnableIf_< IsDenseMatrix< MT1 > > smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
Header file for the serial shim.
RightOperand rhs_
Right-hand side sparse vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:265
const DenseIterator< Type, AF > operator+(const DenseIterator< Type, AF > &it, ptrdiff_t inc) noexcept
Addition between a DenseIterator and an integral value.
Definition: DenseIterator.h:699
Header file for the IsRowVector type trait.
EnableIf_< IsDenseVector< VT1 > > smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:193
Header file for the And class template.
Header file for the DenseVector base class.
Header file for the AddExprTrait class template.
DVecSVecSubExpr< VT1, VT2, TF > This
Type of this DVecSVecSubExpr instance.
Definition: DVecSVecSubExpr.h:140
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:723
Header file for the Computation base class.
const DenseIterator< Type, AF > operator-(const DenseIterator< Type, AF > &it, ptrdiff_t inc) noexcept
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:731
ElementType_< ResultType > ElementType
Resulting element type.
Definition: DVecSVecSubExpr.h:143
ResultType_< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:101
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:323
EnableIf_< IsDenseMatrix< MT1 > > smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:129
ReturnType_< VT2 > RN2
Return type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:104
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecSVecSubExpr.h:199
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecSVecSubExpr.h:257
Constraint on the data type.
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
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:343
Expression object for dense vector-sparse vector subtractions.The DVecSVecSubExpr class represents th...
Definition: DVecSVecSubExpr.h:95
typename SubExprTrait< T1, T2 >::Type SubExprTrait_
Auxiliary alias declaration for the SubExprTrait class template.The SubExprTrait_ alias declaration p...
Definition: SubExprTrait.h:220
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
Header file for the IsTemporary type trait class.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
const ResultType CompositeType
Data type for composite expression templates.
Definition: DVecSVecSubExpr.h:149
Header file for the If class template.
If_< IsExpression< VT2 >, const VT2, const VT2 & > RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:155
SubExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: DVecSVecSubExpr.h:121
EnableIf_< IsDenseMatrix< MT1 > > smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:98
#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
TransposeType_< VT2 > TT2
Transpose type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:108
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecSVecSubExpr.h:146
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
#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.
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:60
Constraint on the data type.
Header file for the exception macros of the math module.
Header file for the VecVecSubExpr base class.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
Header file for the EnableIf class template.
TransposeType_< VT1 > TT1
Transpose type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:107
Header file for the IsSparseVector type trait.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecSVecSubExpr.h:212
Header file for run time assertion macros.
Utility type for generic codes.
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: DVecSVecSubExpr.h:232
If_< IsExpression< VT1 >, const VT1, const VT1 & > LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:152
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:160
EnableIf_< IsDenseVector< VT1 > > smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:222
ResultType_< VT2 > RT2
Result type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:102
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecSVecSubExpr.h:244
Header file for the IsDenseVector type trait.
Constraint on the data type.
LeftOperand lhs_
Left-hand side dense vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:264
#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
SubTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecSVecSubExpr.h:141
DVecSVecSubExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecSVecSubExpr class.
Definition: DVecSVecSubExpr.h:172
CompositeType_< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:105
#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:109
Header file for the IsComputation type trait class.
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
typename SubTrait< T1, T2 >::Type SubTrait_
Auxiliary alias declaration for the SubTrait class template.The SubTrait_ alias declaration provides ...
Definition: SubTrait.h:245
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:110
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:157
Header file for the SubvectorExprTrait class template.
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:403
Header file for the IsColumnVector type trait.
Base class for all vector/vector subtraction expression templates.The VecVecSubExpr class serves as a...
Definition: VecVecSubExpr.h:65
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecSubExpr.h:186
Header file for the SubExprTrait class template.
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
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:71
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecSVecSubExpr.h:142