SMatTDMatSubExpr.h
Go to the documentation of this file.
1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATTDMATSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATTDMATSUBEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <stdexcept>
74 #include <blaze/util/Assert.h>
76 #include <blaze/util/EnableIf.h>
78 #include <blaze/util/mpl/And.h>
79 #include <blaze/util/mpl/Max.h>
80 #include <blaze/util/SelectType.h>
81 #include <blaze/util/Types.h>
83 
84 
85 namespace blaze {
86 
87 //=================================================================================================
88 //
89 // CLASS SMATTDMATSUBEXPR
90 //
91 //=================================================================================================
92 
93 //*************************************************************************************************
100 template< typename MT1 // Type of the left-hand side sparse matrix
101  , typename MT2 > // Type of the right-hand side dense matrix
102 class SMatTDMatSubExpr : public DenseMatrix< SMatTDMatSubExpr<MT1,MT2>, true >
103  , private MatMatSubExpr
104  , private Computation
105 {
106  private:
107  //**Type definitions****************************************************************************
108  typedef typename MT1::ResultType RT1;
109  typedef typename MT2::ResultType RT2;
110  typedef typename MT1::ReturnType RN1;
111  typedef typename MT2::ReturnType RN2;
112  //**********************************************************************************************
113 
114  //**Return type evaluation**********************************************************************
116 
121  enum { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
122 
125  //**********************************************************************************************
126 
127  //**Parallel evaluation strategy****************************************************************
129 
134  template< typename MT >
135  struct UseSMPAssign {
136  enum { value = ( !MT1::smpAssignable || !MT2::smpAssignable ) };
137  };
139  //**********************************************************************************************
140 
141  public:
142  //**Type definitions****************************************************************************
148 
151 
153  typedef const ResultType CompositeType;
154 
156  typedef typename SelectType< IsExpression<MT1>::value, const MT1, const MT1& >::Type LeftOperand;
157 
159  typedef typename SelectType< IsExpression<MT2>::value, const MT2, const MT2& >::Type RightOperand;
160  //**********************************************************************************************
161 
162  //**Compilation flags***************************************************************************
164  enum { vectorizable = 0 };
165 
167  enum { smpAssignable = 0 };
168  //**********************************************************************************************
169 
170  //**Constructor*********************************************************************************
176  explicit inline SMatTDMatSubExpr( const MT1& lhs, const MT2& rhs )
177  : lhs_( lhs ) // Left-hand side sparse matrix of the subtraction expression
178  , rhs_( rhs ) // Right-hand side dense matrix of the subtraction expression
179  {
180  BLAZE_INTERNAL_ASSERT( lhs.rows() == rhs.rows() , "Invalid number of rows" );
181  BLAZE_INTERNAL_ASSERT( lhs.columns() == rhs.columns(), "Invalid number of columns" );
182  }
183  //**********************************************************************************************
184 
185  //**Access operator*****************************************************************************
192  inline ReturnType operator()( size_t i, size_t j ) const {
193  BLAZE_INTERNAL_ASSERT( i < lhs_.rows() , "Invalid row access index" );
194  BLAZE_INTERNAL_ASSERT( j < lhs_.columns(), "Invalid column access index" );
195  return lhs_(i,j) - rhs_(i,j);
196  }
197  //**********************************************************************************************
198 
199  //**Rows function*******************************************************************************
204  inline size_t rows() const {
205  return lhs_.rows();
206  }
207  //**********************************************************************************************
208 
209  //**Columns function****************************************************************************
214  inline size_t columns() const {
215  return lhs_.columns();
216  }
217  //**********************************************************************************************
218 
219  //**Left operand access*************************************************************************
224  inline LeftOperand leftOperand() const {
225  return lhs_;
226  }
227  //**********************************************************************************************
228 
229  //**Right operand access************************************************************************
234  inline RightOperand rightOperand() const {
235  return rhs_;
236  }
237  //**********************************************************************************************
238 
239  //**********************************************************************************************
245  template< typename T >
246  inline bool canAlias( const T* alias ) const {
247  return ( lhs_.canAlias( alias ) ) ||
248  ( IsExpression<MT2>::value && rhs_.canAlias( alias ) );
249  }
250  //**********************************************************************************************
251 
252  //**********************************************************************************************
258  template< typename T >
259  inline bool isAliased( const T* alias ) const {
260  return lhs_.isAliased( alias ) && rhs_.isAliased( alias );
261  }
262  //**********************************************************************************************
263 
264  private:
265  //**Member variables****************************************************************************
266  LeftOperand lhs_;
267  RightOperand rhs_;
268  //**********************************************************************************************
269 
270  //**Assignment to dense matrices****************************************************************
282  template< typename MT // Type of the target dense matrix
283  , bool SO2 > // Storage order of the target dense matrix
284  friend inline void assign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
285  {
287 
288  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
289  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
290 
291  assign ( ~lhs, -rhs.rhs_ );
292  addAssign( ~lhs, rhs.lhs_ );
293  }
295  //**********************************************************************************************
296 
297  //**Assignment to sparse matrices***************************************************************
309  template< typename MT // Type of the target sparse matrix
310  , bool SO2 > // Storage order of the target sparse matrix
311  friend inline void assign( SparseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
312  {
314 
315  typedef typename SelectType< SO2, ResultType, OppositeType >::Type TmpType;
316 
323 
324  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
325  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
326 
327  const TmpType tmp( serial( rhs ) );
328  assign( ~lhs, tmp );
329  }
331  //**********************************************************************************************
332 
333  //**Addition assignment to dense matrices*******************************************************
346  template< typename MT // Type of the target dense matrix
347  , bool SO2 > // Storage order of the target dense matrix
348  friend inline void addAssign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
349  {
351 
352  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
353  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
354 
355  subAssign( ~lhs, rhs.rhs_ );
356  addAssign( ~lhs, rhs.lhs_ );
357  }
359  //**********************************************************************************************
360 
361  //**Addition assignment to sparse matrices******************************************************
362  // No special implementation for the addition assignment to sparse matrices.
363  //**********************************************************************************************
364 
365  //**Subtraction assignment to dense matrices****************************************************
378  template< typename MT // Type of the target dense matrix
379  , bool SO2 > // Storage order of the target dense matrix
380  friend inline void subAssign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
381  {
383 
384  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
385  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
386 
387  addAssign( ~lhs, rhs.rhs_ );
388  subAssign( ~lhs, rhs.lhs_ );
389  }
391  //**********************************************************************************************
392 
393  //**Subtraction assignment to sparse matrices***************************************************
394  // No special implementation for the subtraction assignment to sparse matrices.
395  //**********************************************************************************************
396 
397  //**Multiplication assignment to dense matrices*************************************************
398  // No special implementation for the multiplication assignment to dense matrices.
399  //**********************************************************************************************
400 
401  //**Multiplication assignment to sparse matrices************************************************
402  // No special implementation for the multiplication assignment to sparse matrices.
403  //**********************************************************************************************
404 
405  //**SMP assignment to dense matrices************************************************************
419  template< typename MT // Type of the target dense matrix
420  , bool SO2 > // Storage order of the target dense matrix
421  friend inline typename EnableIf< UseSMPAssign<MT> >::Type
422  smpAssign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
423  {
425 
426  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
427  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
428 
429  smpAssign ( ~lhs, -rhs.rhs_ );
430  smpAddAssign( ~lhs, rhs.lhs_ );
431  }
433  //**********************************************************************************************
434 
435  //**SMP assignment to sparse matrices***********************************************************
449  template< typename MT // Type of the target sparse matrix
450  , bool SO2 > // Storage order of the target sparse matrix
451  friend inline typename EnableIf< UseSMPAssign<MT> >::Type
452  smpAssign( SparseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
453  {
455 
456  typedef typename SelectType< SO2, ResultType, OppositeType >::Type TmpType;
457 
464 
465  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
466  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
467 
468  const TmpType tmp( rhs );
469  smpAssign( ~lhs, tmp );
470  }
472  //**********************************************************************************************
473 
474  //**SMP addition assignment to dense matrices***************************************************
489  template< typename MT // Type of the target dense matrix
490  , bool SO2 > // Storage order of the target dense matrix
491  friend inline typename EnableIf< UseSMPAssign<MT> >::Type
492  smpAddAssign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
493  {
495 
496  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
497  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
498 
499  smpSubAssign( ~lhs, rhs.rhs_ );
500  smpAddAssign( ~lhs, rhs.lhs_ );
501  }
503  //**********************************************************************************************
504 
505  //**SMP addition assignment to sparse matrices**************************************************
506  // No special implementation for the SMP addition assignment to sparse matrices.
507  //**********************************************************************************************
508 
509  //**SMP subtraction assignment to dense matrices************************************************
524  template< typename MT // Type of the target dense matrix
525  , bool SO2 > // Storage order of the target dense matrix
526  friend inline typename EnableIf< UseSMPAssign<MT> >::Type
527  smpSubAssign( DenseMatrix<MT,SO2>& lhs, const SMatTDMatSubExpr& rhs )
528  {
530 
531  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
532  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
533 
534  smpAddAssign( ~lhs, rhs.rhs_ );
535  smpSubAssign( ~lhs, rhs.lhs_ );
536  }
538  //**********************************************************************************************
539 
540  //**SMP subtraction assignment to sparse matrices***********************************************
541  // No special implementation for the SMP subtraction assignment to sparse matrices.
542  //**********************************************************************************************
543 
544  //**SMP multiplication assignment to dense matrices*********************************************
545  // No special implementation for the SMP multiplication assignment to dense matrices.
546  //**********************************************************************************************
547 
548  //**SMP multiplication assignment to sparse matrices********************************************
549  // No special implementation for the SMP multiplication assignment to sparse matrices.
550  //**********************************************************************************************
551 
552  //**Compile time checks*************************************************************************
560  //**********************************************************************************************
561 };
562 //*************************************************************************************************
563 
564 
565 
566 
567 //=================================================================================================
568 //
569 // GLOBAL BINARY ARITHMETIC OPERATORS
570 //
571 //=================================================================================================
572 
573 //*************************************************************************************************
604 template< typename T1 // Type of the left-hand side sparse matrix
605  , typename T2 > // Type of the right-hand side dense matrix
606 inline const SMatTDMatSubExpr<T1,T2>
608 {
610 
611  if( (~lhs).rows() != (~rhs).rows() || (~lhs).columns() != (~rhs).columns() )
612  throw std::invalid_argument( "Matrix sizes do not match" );
613 
614  return SMatTDMatSubExpr<T1,T2>( ~lhs, ~rhs );
615 }
616 //*************************************************************************************************
617 
618 
619 
620 
621 //=================================================================================================
622 //
623 // GLOBAL RESTRUCTURING BINARY ARITHMETIC OPERATORS
624 //
625 //=================================================================================================
626 
627 //*************************************************************************************************
640 template< typename T1 // Type of the sparse matrix of the left-hand side expression
641  , typename T2 // Type of the dense matrix of the left-hand side expression
642  , typename T3 // Type of the right-hand side dense matrix
643  , bool SO > // Storage order of the right-hand side dense matrix
644 inline const typename AddExprTrait< SMatTDMatSubExpr<T1,T2>, T3 >::Type
645  operator+( const SMatTDMatSubExpr<T1,T2>& lhs, const DenseMatrix<T3,SO>& rhs )
646 {
648 
649  return ( (~rhs) - lhs.rightOperand() ) + lhs.leftOperand();
650 }
652 //*************************************************************************************************
653 
654 
655 //*************************************************************************************************
668 template< typename T1 // Type of the sparse matrix of the left-hand side expression
669  , typename T2 // Type of the dense matrix of the left-hand side expression
670  , typename T3 // Type of the right-hand side dense matrix
671  , bool SO > // Storage order of the right-hand side dense matrix
672 inline const typename SubExprTrait< SMatTDMatSubExpr<T1,T2>, T3 >::Type
673  operator-( const SMatTDMatSubExpr<T1,T2>& lhs, const DenseMatrix<T3,SO>& rhs )
674 {
676 
677  return lhs.leftOperand() - ( lhs.rightOperand() + (~rhs) );
678 }
680 //*************************************************************************************************
681 
682 
683 
684 
685 //=================================================================================================
686 //
687 // ROWS SPECIALIZATIONS
688 //
689 //=================================================================================================
690 
691 //*************************************************************************************************
693 template< typename MT1, typename MT2 >
694 struct Rows< SMatTDMatSubExpr<MT1,MT2> >
695  : public Max< Rows<MT1>, Rows<MT2> >::Type
696 {};
698 //*************************************************************************************************
699 
700 
701 
702 
703 //=================================================================================================
704 //
705 // COLUMNS SPECIALIZATIONS
706 //
707 //=================================================================================================
708 
709 //*************************************************************************************************
711 template< typename MT1, typename MT2 >
712 struct Columns< SMatTDMatSubExpr<MT1,MT2> >
713  : public Max< Columns<MT1>, Columns<MT2> >::Type
714 {};
716 //*************************************************************************************************
717 
718 
719 
720 
721 //=================================================================================================
722 //
723 // ISSYMMETRIC SPECIALIZATIONS
724 //
725 //=================================================================================================
726 
727 //*************************************************************************************************
729 template< typename MT1, typename MT2 >
730 struct IsSymmetric< SMatTDMatSubExpr<MT1,MT2> >
731  : public IsTrue< IsSymmetric<MT1>::value && IsSymmetric<MT2>::value >
732 {};
734 //*************************************************************************************************
735 
736 
737 
738 
739 //=================================================================================================
740 //
741 // ISLOWER SPECIALIZATIONS
742 //
743 //=================================================================================================
744 
745 //*************************************************************************************************
747 template< typename MT1, typename MT2 >
748 struct IsLower< SMatTDMatSubExpr<MT1,MT2> >
749  : public IsTrue< And< IsLower<MT1>, IsLower<MT2> >::value >
750 {};
752 //*************************************************************************************************
753 
754 
755 
756 
757 //=================================================================================================
758 //
759 // ISUNILOWER SPECIALIZATIONS
760 //
761 //=================================================================================================
762 
763 //*************************************************************************************************
765 template< typename MT1, typename MT2 >
766 struct IsUniLower< SMatTDMatSubExpr<MT1,MT2> >
767  : public IsTrue< And< IsUniLower<MT1>, IsStrictlyLower<MT2> >::value >
768 {};
770 //*************************************************************************************************
771 
772 
773 
774 
775 //=================================================================================================
776 //
777 // ISSTRICTLYLOWER SPECIALIZATIONS
778 //
779 //=================================================================================================
780 
781 //*************************************************************************************************
783 template< typename MT1, typename MT2 >
784 struct IsStrictlyLower< SMatTDMatSubExpr<MT1,MT2> >
785  : public IsTrue< And< IsStrictlyLower<MT1>, IsStrictlyLower<MT2> >::value >
786 {};
788 //*************************************************************************************************
789 
790 
791 
792 
793 //=================================================================================================
794 //
795 // ISUPPER SPECIALIZATIONS
796 //
797 //=================================================================================================
798 
799 //*************************************************************************************************
801 template< typename MT1, typename MT2 >
802 struct IsUpper< SMatTDMatSubExpr<MT1,MT2> >
803  : public IsTrue< And< IsUpper<MT1>, IsUpper<MT2> >::value >
804 {};
806 //*************************************************************************************************
807 
808 
809 
810 
811 //=================================================================================================
812 //
813 // ISUNIUPPER SPECIALIZATIONS
814 //
815 //=================================================================================================
816 
817 //*************************************************************************************************
819 template< typename MT1, typename MT2 >
820 struct IsUniUpper< SMatTDMatSubExpr<MT1,MT2> >
821  : public IsTrue< And< IsUniUpper<MT1>, IsStrictlyUpper<MT2> >::value >
822 {};
824 //*************************************************************************************************
825 
826 
827 
828 
829 //=================================================================================================
830 //
831 // ISSTRICTLYUPPER SPECIALIZATIONS
832 //
833 //=================================================================================================
834 
835 //*************************************************************************************************
837 template< typename MT1, typename MT2 >
838 struct IsStrictlyUpper< SMatTDMatSubExpr<MT1,MT2> >
839  : public IsTrue< And< IsStrictlyUpper<MT1>, IsStrictlyUpper<MT2> >::value >
840 {};
842 //*************************************************************************************************
843 
844 
845 
846 
847 //=================================================================================================
848 //
849 // EXPRESSION TRAIT SPECIALIZATIONS
850 //
851 //=================================================================================================
852 
853 //*************************************************************************************************
855 template< typename MT1, typename MT2, typename MT3 >
856 struct DMatDMatAddExprTrait< SMatTDMatSubExpr<MT1,MT2>, MT3 >
857 {
858  public:
859  //**********************************************************************************************
861  typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
862  IsDenseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
863  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
864  , typename DMatSMatAddExprTrait< typename DMatTDMatSubExprTrait<MT3,MT2>::Type, MT1 >::Type
865  , INVALID_TYPE >::Type Type;
867  //**********************************************************************************************
868 };
870 //*************************************************************************************************
871 
872 
873 //*************************************************************************************************
875 template< typename MT1, typename MT2, typename MT3 >
876 struct DMatTDMatAddExprTrait< SMatTDMatSubExpr<MT1,MT2>, MT3 >
877 {
878  public:
879  //**********************************************************************************************
881  typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
882  IsDenseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
883  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
884  , typename TDMatSMatAddExprTrait< typename TDMatTDMatSubExprTrait<MT3,MT2>::Type, MT1 >::Type
885  , INVALID_TYPE >::Type Type;
887  //**********************************************************************************************
888 };
890 //*************************************************************************************************
891 
892 
893 //*************************************************************************************************
895 template< typename MT1, typename MT2, typename MT3 >
896 struct DMatDMatSubExprTrait< SMatTDMatSubExpr<MT1,MT2>, MT3 >
897 {
898  public:
899  //**********************************************************************************************
901  typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
902  IsDenseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
903  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
904  , typename SMatDMatSubExprTrait< MT1, typename TDMatDMatAddExprTrait<MT2,MT3>::Type >::Type
905  , INVALID_TYPE >::Type Type;
907  //**********************************************************************************************
908 };
910 //*************************************************************************************************
911 
912 
913 //*************************************************************************************************
915 template< typename MT1, typename MT2, typename MT3 >
916 struct DMatTDMatSubExprTrait< SMatTDMatSubExpr<MT1,MT2>, MT3 >
917 {
918  public:
919  //**********************************************************************************************
921  typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
922  IsDenseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
923  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
924  , typename SMatTDMatSubExprTrait< MT1, typename TDMatTDMatAddExprTrait<MT2,MT3>::Type >::Type
925  , INVALID_TYPE >::Type Type;
927  //**********************************************************************************************
928 };
930 //*************************************************************************************************
931 
932 
933 //*************************************************************************************************
935 template< typename MT1, typename MT2, bool AF >
936 struct SubmatrixExprTrait< SMatTDMatSubExpr<MT1,MT2>, AF >
937 {
938  public:
939  //**********************************************************************************************
940  typedef typename SubExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
941  , typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
942  //**********************************************************************************************
943 };
945 //*************************************************************************************************
946 
947 
948 //*************************************************************************************************
950 template< typename MT1, typename MT2 >
951 struct RowExprTrait< SMatTDMatSubExpr<MT1,MT2> >
952 {
953  public:
954  //**********************************************************************************************
955  typedef typename SubExprTrait< typename RowExprTrait<const MT1>::Type
956  , typename RowExprTrait<const MT2>::Type >::Type Type;
957  //**********************************************************************************************
958 };
960 //*************************************************************************************************
961 
962 
963 //*************************************************************************************************
965 template< typename MT1, typename MT2 >
966 struct ColumnExprTrait< SMatTDMatSubExpr<MT1,MT2> >
967 {
968  public:
969  //**********************************************************************************************
970  typedef typename SubExprTrait< typename ColumnExprTrait<const MT1>::Type
971  , typename ColumnExprTrait<const MT2>::Type >::Type Type;
972  //**********************************************************************************************
973 };
975 //*************************************************************************************************
976 
977 } // namespace blaze
978 
979 #endif
Constraint on the data type.
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SMatTDMatSubExpr.h:144
Header file for the Max class template.
SMatTDMatSubExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the SMatTDMatSubExpr class.
Definition: SMatTDMatSubExpr.h:176
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatTDMatSubExpr.h:153
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
Header file for the Rows type trait.
Header file for the IsUniUpper type trait.
Header file for the subtraction trait.
Header file for basic type definitions.
RightOperand rightOperand() const
Returns the right-hand side transpose dense matrix operand.
Definition: SMatTDMatSubExpr.h:234
Header file for the IsSparseMatrix type trait.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:209
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:79
Header file for the ColumnExprTrait class template.
Header file for the IsColumnMajorMatrix type trait.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2507
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:261
Header file for the And class template.
Header file for the AddExprTrait class template.
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:699
Header file for the Computation base class.
LeftOperand leftOperand() const
Returns the left-hand side sparse matrix operand.
Definition: SMatTDMatSubExpr.h:224
Header file for the IsUniLower type trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatTDMatSubExpr.h:246
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:107
Constraint on the data type.
LeftOperand lhs_
Left-hand side sparse matrix of the subtraction expression.
Definition: SMatTDMatSubExpr.h:266
Constraint on the data type.
Constraint on the data type.
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatTDMatSubExpr.h:192
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatTDMatSubExpr.h:145
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
Header file for the IsTemporary type trait class.
Header file for the IsStrictlyUpper type trait.
Expression object for sparse matrix-transpose dense matrix subtractions.The SMatTDMatSubExpr class re...
Definition: Forward.h:101
Header file for the IsSymmetric type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a column-major dense or sparse matri...
Definition: StorageOrder.h:161
Header file for the DenseMatrix base class.
BLAZE_ALWAYS_INLINE void assign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the assignment of a matrix to a matrix.
Definition: Matrix.h:635
Header file for the Columns type trait.
Header file for the MatMatSubExpr base class.
const DenseIterator< Type > operator+(const DenseIterator< Type > &it, ptrdiff_t inc)
Addition between a DenseIterator and an integral value.
Definition: DenseIterator.h:556
Header file for the IsLower type trait.
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: SMatTDMatSubExpr.h:156
MT2::ResultType RT2
Result type of the right-hand side dense matrix expression.
Definition: SMatTDMatSubExpr.h:109
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
Constraints on the storage order of matrix types.
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:104
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
Header file for the IsDenseMatrix type trait.
Header file for the EnableIf class template.
Header file for the IsStrictlyLower type trait.
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatTDMatSubExpr.h:159
Header file for the serial shim.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatTDMatSubExpr.h:146
MT2::ReturnType RN2
Return type of the right-hand side dense matrix expression.
Definition: SMatTDMatSubExpr.h:111
RightOperand rhs_
Right-hand side dense matrix of the subtraction expression.
Definition: SMatTDMatSubExpr.h:267
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatTDMatSubExpr.h:150
EnableIf< IsDenseMatrix< MT1 > >::Type smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
Header file for the SubmatrixExprTrait class template.
#define BLAZE_CONSTRAINT_MUST_BE_ROW_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a row-major dense or sparse matrix t...
Definition: StorageOrder.h:81
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2506
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatTDMatSubExpr.h:259
Header file for run time assertion macros.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:98
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatTDMatSubExpr.h:214
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatTDMatSubExpr.h:204
BLAZE_ALWAYS_INLINE void addAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the addition assignment of a matrix to a matrix.
Definition: Matrix.h:742
const DenseIterator< Type > operator-(const DenseIterator< Type > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:585
MT1::ReturnType RN1
Return type of the left-hand side sparse matrix expression.
Definition: SMatTDMatSubExpr.h:110
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatTDMatSubExpr.h:108
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_SAME_STORAGE_ORDER(T1, T2)
Constraint on the data type.In case either of the two given data types T1 or T2 is not a matrix type ...
Definition: StorageOrder.h:283
Header file for the IsRowMajorMatrix type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: SMatTDMatSubExpr.h:147
EnableIf< IsDenseMatrix< MT1 > >::Type smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:129
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatTDMatSubExpr.h:124
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:157
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2502
Header file for the IsTrue value trait.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATMATSUBEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/matrix ...
Definition: MatMatSubExpr.h:165
Base template for the SubTrait class.
Definition: SubTrait.h:150
Header file for the IsUpper type trait.
Header file for the SubExprTrait class template.
#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
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:79
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:87
SMatTDMatSubExpr< MT1, MT2 > This
Type of this SMatTDMatSubExpr instance.
Definition: SMatTDMatSubExpr.h:143
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
BLAZE_ALWAYS_INLINE void subAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the subtraction assignment of a matrix to matrix.
Definition: Matrix.h:849