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DMatSMatSubExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATSMATSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DMATSMATSUBEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <stdexcept>
65 #include <blaze/util/Assert.h>
68 #include <blaze/util/SelectType.h>
69 #include <blaze/util/Types.h>
70 
71 
72 namespace blaze {
73 
74 //=================================================================================================
75 //
76 // CLASS DMATSMATSUBEXPR
77 //
78 //=================================================================================================
79 
80 //*************************************************************************************************
87 template< typename MT1 // Type of the left-hand side dense matrix
88  , typename MT2 // Type of the right-hand side sparse matrix
89  , bool SO > // Storage order
90 class DMatSMatSubExpr : public DenseMatrix< DMatSMatSubExpr<MT1,MT2,SO>, SO >
91  , private MatMatSubExpr
92  , private Computation
93 {
94  private:
95  //**Type definitions****************************************************************************
96  typedef typename MT1::ResultType RT1;
97  typedef typename MT2::ResultType RT2;
98  typedef typename MT1::ReturnType RN1;
99  typedef typename MT2::ReturnType RN2;
100  //**********************************************************************************************
101 
102  //**Return type evaluation**********************************************************************
104 
109  enum { returnExpr = !IsTemporary<RN1>::value && !IsTemporary<RN2>::value };
110 
113  //**********************************************************************************************
114 
115  public:
116  //**Type definitions****************************************************************************
122 
125 
127  typedef const ResultType CompositeType;
128 
130  typedef typename SelectType< IsExpression<MT1>::value, const MT1, const MT1& >::Type LeftOperand;
131 
133  typedef typename SelectType< IsExpression<MT2>::value, const MT2, const MT2& >::Type RightOperand;
134  //**********************************************************************************************
135 
136  //**Compilation flags***************************************************************************
138  enum { vectorizable = 0 };
139 
141  enum { smpAssignable = 0 };
142  //**********************************************************************************************
143 
144  //**Constructor*********************************************************************************
150  explicit inline DMatSMatSubExpr( const MT1& lhs, const MT2& rhs )
151  : lhs_( lhs ) // Left-hand side dense matrix of the subtraction expression
152  , rhs_( rhs ) // Right-hand side sparse matrix of the subtraction expression
153  {
154  BLAZE_INTERNAL_ASSERT( lhs.rows() == rhs.rows() , "Invalid number of rows" );
155  BLAZE_INTERNAL_ASSERT( lhs.columns() == rhs.columns(), "Invalid number of columns" );
156  }
157  //**********************************************************************************************
158 
159  //**Access operator*****************************************************************************
166  inline ReturnType operator()( size_t i, size_t j ) const {
167  BLAZE_INTERNAL_ASSERT( i < lhs_.rows() , "Invalid row access index" );
168  BLAZE_INTERNAL_ASSERT( j < lhs_.columns(), "Invalid column access index" );
169  return lhs_(i,j) - rhs_(i,j);
170  }
171  //**********************************************************************************************
172 
173  //**Rows function*******************************************************************************
178  inline size_t rows() const {
179  return lhs_.rows();
180  }
181  //**********************************************************************************************
182 
183  //**Columns function****************************************************************************
188  inline size_t columns() const {
189  return lhs_.columns();
190  }
191  //**********************************************************************************************
192 
193  //**Left operand access*************************************************************************
198  inline LeftOperand leftOperand() const {
199  return lhs_;
200  }
201  //**********************************************************************************************
202 
203  //**Right operand access************************************************************************
208  inline RightOperand rightOperand() const {
209  return rhs_;
210  }
211  //**********************************************************************************************
212 
213  //**********************************************************************************************
219  template< typename T >
220  inline bool canAlias( const T* alias ) const {
221  return ( IsExpression<MT1>::value && lhs_.canAlias( alias ) ) ||
222  ( rhs_.canAlias( alias ) );
223  }
224  //**********************************************************************************************
225 
226  //**********************************************************************************************
232  template< typename T >
233  inline bool isAliased( const T* alias ) const {
234  return ( lhs_.isAliased( alias ) || rhs_.isAliased( alias ) );
235  }
236  //**********************************************************************************************
237 
238  private:
239  //**Member variables****************************************************************************
242  //**********************************************************************************************
243 
244  //**Assignment to dense matrices****************************************************************
256  template< typename MT // Type of the target dense matrix
257  , bool SO2 > // Storage order of the target dense matrix
258  friend inline void assign( DenseMatrix<MT,SO2>& lhs, const DMatSMatSubExpr& rhs )
259  {
261 
262  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
263  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
264 
265  if( !IsExpression<MT1>::value && (~lhs).isAliased( &rhs.lhs_ ) ) {
266  smpSubAssign( ~lhs, rhs.rhs_ );
267  }
268  else {
269  smpAssign ( ~lhs, rhs.lhs_ );
270  smpSubAssign( ~lhs, rhs.rhs_ );
271  }
272  }
274  //**********************************************************************************************
275 
276  //**Assignment to sparse matrices***************************************************************
288  template< typename MT // Type of the target sparse matrix
289  , bool SO2 > // Storage order of the target sparse matrix
290  friend inline void assign( SparseMatrix<MT,SO2>& lhs, const DMatSMatSubExpr& rhs )
291  {
293 
295 
302 
303  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
304  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
305 
306  const TmpType tmp( rhs );
307  smpAssign( ~lhs, tmp );
308  }
310  //**********************************************************************************************
311 
312  //**Addition assignment to dense matrices*******************************************************
324  template< typename MT // Type of the target dense matrix
325  , bool SO2 > // Storage order of the target dense matrix
326  friend inline void addAssign( DenseMatrix<MT,SO2>& lhs, const DMatSMatSubExpr& rhs )
327  {
329 
330  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
331  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
332 
333  smpAddAssign( ~lhs, rhs.lhs_ );
334  smpSubAssign( ~lhs, rhs.rhs_ );
335  }
337  //**********************************************************************************************
338 
339  //**Addition assignment to sparse matrices******************************************************
340  // No special implementation for the addition assignment to sparse matrices.
341  //**********************************************************************************************
342 
343  //**Subtraction assignment to dense matrices****************************************************
355  template< typename MT // Type of the target dense matrix
356  , bool SO2 > // Storage order of the target dense matrix
357  friend inline void subAssign( DenseMatrix<MT,SO2>& lhs, const DMatSMatSubExpr& rhs )
358  {
360 
361  BLAZE_INTERNAL_ASSERT( (~lhs).rows() == rhs.rows() , "Invalid number of rows" );
362  BLAZE_INTERNAL_ASSERT( (~lhs).columns() == rhs.columns(), "Invalid number of columns" );
363 
364  smpSubAssign( ~lhs, rhs.lhs_ );
365  smpAddAssign( ~lhs, rhs.rhs_ );
366  }
368  //**********************************************************************************************
369 
370  //**Subtraction assignment to sparse matrices***************************************************
371  // No special implementation for the subtraction assignment to sparse matrices.
372  //**********************************************************************************************
373 
374  //**Multiplication assignment to dense matrices*************************************************
375  // No special implementation for the multiplication assignment to dense matrices.
376  //**********************************************************************************************
377 
378  //**Multiplication assignment to sparse matrices************************************************
379  // No special implementation for the multiplication assignment to sparse matrices.
380  //**********************************************************************************************
381 
382  //**Compile time checks*************************************************************************
388  //**********************************************************************************************
389 };
390 //*************************************************************************************************
391 
392 
393 
394 
395 //=================================================================================================
396 //
397 // GLOBAL BINARY ARITHMETIC OPERATORS
398 //
399 //=================================================================================================
400 
401 //*************************************************************************************************
430 template< typename T1 // Type of the left-hand side dense matrix
431  , typename T2 // Type of the right-hand side sparse matrix
432  , bool SO > // Storage order
433 inline const DMatSMatSubExpr<T1,T2,SO>
435 {
437 
438  if( (~lhs).rows() != (~rhs).rows() || (~lhs).columns() != (~rhs).columns() )
439  throw std::invalid_argument( "Matrix sizes do not match" );
440 
441  return DMatSMatSubExpr<T1,T2,SO>( ~lhs, ~rhs );
442 }
443 //*************************************************************************************************
444 
445 
446 
447 
448 //=================================================================================================
449 //
450 // GLOBAL RESTRUCTURING BINARY ARITHMETIC OPERATORS
451 //
452 //=================================================================================================
453 
454 //*************************************************************************************************
467 template< typename T1 // Type of the dense matrix of the left-hand side expression
468  , typename T2 // Type of the sparse matrix of the left-hand side expression
469  , bool SO1 // Storage order of the left-hand side expression
470  , typename T3 // Type of the right-hand side dense matrix
471  , bool SO2 > // Storage order of the right-hand side dense matrix
472 inline const typename AddExprTrait< DMatSMatSubExpr<T1,T2,SO1>, T3 >::Type
473  operator+( const DMatSMatSubExpr<T1,T2,SO1>& lhs, const DenseMatrix<T3,SO2>& rhs )
474 {
476 
477  return ( lhs.leftOperand() + (~rhs) ) - lhs.rightOperand();
478 }
480 //*************************************************************************************************
481 
482 
483 //*************************************************************************************************
496 template< typename T1 // Type of the dense matrix of the left-hand side expression
497  , typename T2 // Type of the sparse matrix of the left-hand side expression
498  , bool SO1 // Storage order of the left-hand side expression
499  , typename T3 // Type of the right-hand side dense matrix
500  , bool SO2 > // Storage order of the right-hand side dense matrix
501 inline const typename SubExprTrait< DMatSMatSubExpr<T1,T2,SO1>, T3 >::Type
502  operator-( const DMatSMatSubExpr<T1,T2,SO1>& lhs, const DenseMatrix<T3,SO2>& rhs )
503 {
505 
506  return ( lhs.leftOperand() - (~rhs) ) - lhs.rightOperand();
507 }
509 //*************************************************************************************************
510 
511 
512 
513 
514 //=================================================================================================
515 //
516 // EXPRESSION TRAIT SPECIALIZATIONS
517 //
518 //=================================================================================================
519 
520 //*************************************************************************************************
522 template< typename MT1, typename MT2, typename MT3 >
523 struct DMatDMatAddExprTrait< DMatSMatSubExpr<MT1,MT2,false>, MT3 >
524 {
525  public:
526  //**********************************************************************************************
528  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
529  IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
530  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
531  , typename DMatSMatSubExprTrait< typename DMatDMatAddExprTrait<MT1,MT3>::Type, MT2 >::Type
532  , INVALID_TYPE >::Type Type;
534  //**********************************************************************************************
535 };
537 //*************************************************************************************************
538 
539 
540 //*************************************************************************************************
542 template< typename MT1, typename MT2, typename MT3 >
543 struct DMatTDMatAddExprTrait< DMatSMatSubExpr<MT1,MT2,false>, MT3 >
544 {
545  public:
546  //**********************************************************************************************
548  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
549  IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
550  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
551  , typename DMatSMatSubExprTrait< typename DMatTDMatAddExprTrait<MT1,MT3>::Type, MT2 >::Type
552  , INVALID_TYPE >::Type Type;
554  //**********************************************************************************************
555 };
557 //*************************************************************************************************
558 
559 
560 //*************************************************************************************************
562 template< typename MT1, typename MT2, typename MT3 >
563 struct TDMatDMatAddExprTrait< DMatSMatSubExpr<MT1,MT2,true>, MT3 >
564 {
565  public:
566  //**********************************************************************************************
568  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
569  IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
570  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
571  , typename DMatTSMatSubExprTrait< typename TDMatDMatAddExprTrait<MT1,MT3>::Type, MT2 >::Type
572  , INVALID_TYPE >::Type Type;
574  //**********************************************************************************************
575 };
577 //*************************************************************************************************
578 
579 
580 //*************************************************************************************************
582 template< typename MT1, typename MT2, typename MT3 >
583 struct TDMatTDMatAddExprTrait< DMatSMatSubExpr<MT1,MT2,true>, MT3 >
584 {
585  public:
586  //**********************************************************************************************
588  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
589  IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
590  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
591  , typename TDMatTSMatSubExprTrait< typename TDMatTDMatAddExprTrait<MT1,MT3>::Type, MT2 >::Type
592  , INVALID_TYPE >::Type Type;
594  //**********************************************************************************************
595 };
597 //*************************************************************************************************
598 
599 
600 //*************************************************************************************************
602 template< typename MT1, typename MT2, typename MT3 >
603 struct DMatDMatSubExprTrait< DMatSMatSubExpr<MT1,MT2,false>, MT3 >
604 {
605  public:
606  //**********************************************************************************************
608  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
609  IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
610  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
611  , typename DMatSMatSubExprTrait< typename DMatDMatSubExprTrait<MT1,MT3>::Type, MT2 >::Type
612  , INVALID_TYPE >::Type Type;
614  //**********************************************************************************************
615 };
617 //*************************************************************************************************
618 
619 
620 //*************************************************************************************************
622 template< typename MT1, typename MT2, typename MT3 >
623 struct DMatTDMatSubExprTrait< DMatSMatSubExpr<MT1,MT2,false>, MT3 >
624 {
625  public:
626  //**********************************************************************************************
628  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
629  IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
630  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
631  , typename DMatSMatSubExprTrait< typename DMatTDMatSubExprTrait<MT1,MT3>::Type, MT2 >::Type
632  , INVALID_TYPE >::Type Type;
634  //**********************************************************************************************
635 };
637 //*************************************************************************************************
638 
639 
640 //*************************************************************************************************
642 template< typename MT1, typename MT2, typename MT3 >
643 struct TDMatDMatSubExprTrait< DMatSMatSubExpr<MT1,MT2,true>, MT3 >
644 {
645  public:
646  //**********************************************************************************************
648  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
649  IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
650  IsDenseMatrix<MT3>::value && IsRowMajorMatrix<MT3>::value
651  , typename DMatTSMatSubExprTrait< typename TDMatDMatSubExprTrait<MT1,MT3>::Type, MT2 >::Type
652  , INVALID_TYPE >::Type Type;
654  //**********************************************************************************************
655 };
657 //*************************************************************************************************
658 
659 
660 //*************************************************************************************************
662 template< typename MT1, typename MT2, typename MT3 >
663 struct TDMatTDMatSubExprTrait< DMatSMatSubExpr<MT1,MT2,true>, MT3 >
664 {
665  public:
666  //**********************************************************************************************
668  typedef typename SelectType< IsDenseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
669  IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
670  IsDenseMatrix<MT3>::value && IsColumnMajorMatrix<MT3>::value
671  , typename TDMatTSMatSubExprTrait< typename TDMatTDMatSubExprTrait<MT1,MT3>::Type, MT2 >::Type
672  , INVALID_TYPE >::Type Type;
674  //**********************************************************************************************
675 };
677 //*************************************************************************************************
678 
679 
680 //*************************************************************************************************
682 template< typename MT1, typename MT2, bool SO, bool AF >
683 struct SubmatrixExprTrait< DMatSMatSubExpr<MT1,MT2,SO>, AF >
684 {
685  public:
686  //**********************************************************************************************
687  typedef typename SubExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
688  , typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
689  //**********************************************************************************************
690 };
692 //*************************************************************************************************
693 
694 
695 //*************************************************************************************************
697 template< typename MT1, typename MT2, bool SO >
698 struct RowExprTrait< DMatSMatSubExpr<MT1,MT2,SO> >
699 {
700  public:
701  //**********************************************************************************************
702  typedef typename SubExprTrait< typename RowExprTrait<const MT1>::Type
703  , typename RowExprTrait<const MT2>::Type >::Type Type;
704  //**********************************************************************************************
705 };
707 //*************************************************************************************************
708 
709 
710 //*************************************************************************************************
712 template< typename MT1, typename MT2, bool SO >
713 struct ColumnExprTrait< DMatSMatSubExpr<MT1,MT2,SO> >
714 {
715  public:
716  //**********************************************************************************************
717  typedef typename SubExprTrait< typename ColumnExprTrait<const MT1>::Type
718  , typename ColumnExprTrait<const MT2>::Type >::Type Type;
719  //**********************************************************************************************
720 };
722 //*************************************************************************************************
723 
724 } // namespace blaze
725 
726 #endif
RightOperand rhs_
Right-hand side sparse matrix of the subtraction expression.
Definition: DMatSMatSubExpr.h:241
MT2::ReturnType RN2
Return type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:99
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 subtraction trait.
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DMatSMatSubExpr.h:118
void smpSubAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:151
Header file for the IsSparseMatrix type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: DMatSMatSubExpr.h:121
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.In case the given data type T is not a dense or sparse matrix type and in...
Definition: StorageOrder.h:242
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
#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.
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:97
Header file for the sparse matrix SMP implementation.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
Header file for the AddExprTrait class template.
Header file for the Computation base class.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DMatSMatSubExpr.h:220
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:104
Constraint on the data type.
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatSMatSubExpr.h:166
Constraint on the data type.
Constraint on the data type.
void smpAddAssign(DenseMatrix< 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:121
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.
LeftOperand lhs_
Left-hand side dense matrix of the subtraction expression.
Definition: DMatSMatSubExpr.h:240
Base class for all matrix/matrix subtraction expression templates.The MatMatSubExpr class serves as a...
Definition: MatMatSubExpr.h:65
Header file for the dense matrix SMP implementation.
DMatSMatSubExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the DMatSMatSubExpr class.
Definition: DMatSMatSubExpr.h:150
Header file for the DenseMatrix base class.
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:179
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
const ResultType CompositeType
Data type for composite expression templates.
Definition: DMatSMatSubExpr.h:127
size_t columns() const
Returns the current number of columns of the matrix.
Definition: DMatSMatSubExpr.h:188
#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:103
MT1::ReturnType RN1
Return type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:98
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.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DMatSMatSubExpr.h:233
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:133
void smpAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:91
Header file for the SubmatrixExprTrait class template.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatSMatSubExpr.h:119
DMatSMatSubExpr< MT1, MT2, SO > This
Type of this DMatSMatSubExpr instance.
Definition: DMatSMatSubExpr.h:117
Header file for run time assertion macros.
Expression object for dense matrix-sparse matrix subtractions.The DMatSMatSubExpr class represents th...
Definition: DMatSMatSubExpr.h:90
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:209
const DenseIterator< Type > operator-(const DenseIterator< Type > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:585
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:239
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DMatSMatSubExpr.h:120
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DMatSMatSubExpr.h:112
RightOperand rightOperand() const
Returns the right-hand side dense matrix operand.
Definition: DMatSMatSubExpr.h:208
MT1::ResultType RT1
Result type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:96
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:130
LeftOperand leftOperand() const
Returns the left-hand side dense matrix operand.
Definition: DMatSMatSubExpr.h:198
#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.
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
#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:2379
size_t columns(const Matrix< MT, SO > &m)
Returns the current number of columns of the matrix.
Definition: Matrix.h:154
Header file for basic type definitions.
Base template for the SubTrait class.
Definition: SubTrait.h:141
Header file for the SubExprTrait class template.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DMatSMatSubExpr.h:124
size_t rows(const Matrix< MT, SO > &m)
Returns the current number of rows of the matrix.
Definition: Matrix.h:138
#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
size_t rows() const
Returns the current number of rows of the matrix.
Definition: DMatSMatSubExpr.h:178
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.