35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATTSMATMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATTSMATMULTEXPR_H_
100 template<
typename MT1
102 class SMatTSMatMultExpr :
public SparseMatrix< SMatTSMatMultExpr<MT1,MT2>, false >
103 ,
private MatMatMultExpr
104 ,
private Computation
133 enum { smpAssignable = 0 };
167 if(
lhs_.columns() == 0UL )
177 const LeftIterator lend( A.end(i) );
178 LeftIterator lelem( A.begin(i) );
183 const RightIterator rend( B.end(j) );
184 RightIterator relem( B.begin(j) );
187 if( lelem == lend || relem == rend )
192 if( lelem->index() < relem->index() ) {
194 if( lelem == lend )
break;
196 else if( relem->index() < lelem->index() ) {
198 if( relem == rend )
break;
201 tmp = lelem->value() * relem->value();
208 if( lelem != lend && relem != rend )
211 if( lelem->index() < relem->index() ) {
213 if( lelem == lend )
break;
215 else if( relem->index() < lelem->index() ) {
217 if( relem == rend )
break;
220 tmp += lelem->value() * relem->value();
222 if( lelem == lend )
break;
224 if( relem == rend )
break;
236 const LeftIterator end( A.end(i) );
237 LeftIterator element( A.begin(i) );
244 tmp = element->value() *
rhs_(element->index(),j);
246 for( ; element!=end; ++element )
247 tmp += element->value() *
rhs_(element->index(),j);
256 const RightIterator end( B.end(j) );
257 RightIterator element( B.begin(j) );
264 tmp =
lhs_(i,element->index()) * element->value();
266 for( ; element!=end; ++element )
267 tmp +=
lhs_(i,element->index()) * element->value();
273 for(
size_t k=1UL; k<
lhs_.columns(); ++k ) {
298 return rhs_.columns();
350 template<
typename T >
352 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
362 template<
typename T >
364 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
397 template<
typename MT >
426 template<
typename MT >
455 template<
typename MT >
484 template<
typename MT >
513 template<
typename MT >
542 template<
typename MT >
575 template<
typename MT >
604 template<
typename MT >
682 template<
typename T1
684 inline const SMatTSMatMultExpr<T1,T2>
690 throw std::invalid_argument(
"Matrix sizes do not match" );
707 template<
typename MT1,
typename MT2,
typename VT >
708 struct SMatDVecMultExprTrait< SMatTSMatMultExpr<MT1,MT2>, VT >
712 typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
713 IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
714 IsDenseVector<VT>::value && IsColumnVector<VT>::value
715 ,
typename SMatDVecMultExprTrait< MT1, typename TSMatDVecMultExprTrait<MT2,VT>::Type >::Type
716 , INVALID_TYPE >::Type Type;
725 template<
typename MT1,
typename MT2,
typename VT >
726 struct SMatSVecMultExprTrait< SMatTSMatMultExpr<MT1,MT2>, VT >
730 typedef typename SelectType< IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
731 IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value &&
732 IsSparseVector<VT>::value && IsColumnVector<VT>::value
733 ,
typename SMatSVecMultExprTrait< MT1, typename TSMatSVecMultExprTrait<MT2,VT>::Type >::Type
734 , INVALID_TYPE >::Type Type;
743 template<
typename VT,
typename MT1,
typename MT2 >
744 struct TDVecSMatMultExprTrait< VT, SMatTSMatMultExpr<MT1,MT2> >
748 typedef typename SelectType< IsDenseVector<VT>::value && IsRowVector<VT>::value &&
749 IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
750 IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value
751 ,
typename TDVecTSMatMultExprTrait< typename TDVecSMatMultExprTrait<VT,MT1>::Type, MT2 >::Type
752 , INVALID_TYPE >::Type Type;
761 template<
typename VT,
typename MT1,
typename MT2 >
762 struct TSVecSMatMultExprTrait< VT, SMatTSMatMultExpr<MT1,MT2> >
766 typedef typename SelectType< IsSparseVector<VT>::value && IsRowVector<VT>::value &&
767 IsSparseMatrix<MT1>::value && IsRowMajorMatrix<MT1>::value &&
768 IsSparseMatrix<MT2>::value && IsColumnMajorMatrix<MT2>::value
769 ,
typename TDVecTSMatMultExprTrait< typename TDVecSMatMultExprTrait<VT,MT1>::Type, MT2 >::Type
770 , INVALID_TYPE >::Type Type;
779 template<
typename MT1,
typename MT2,
bool AF >
780 struct SubmatrixExprTrait< SMatTSMatMultExpr<MT1,MT2>, AF >
784 typedef typename MultExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
785 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
794 template<
typename MT1,
typename MT2 >
795 struct RowExprTrait< SMatTSMatMultExpr<MT1,MT2> >
799 typedef typename MultExprTrait< typename RowExprTrait<const MT1>::Type, MT2 >::Type Type;
808 template<
typename MT1,
typename MT2 >
809 struct ColumnExprTrait< SMatTSMatMultExpr<MT1,MT2> >
813 typedef typename MultExprTrait< MT1, typename ColumnExprTrait<const MT2>::Type >::Type Type;
Header file for the SMatDVecMultExprTrait class template.
Header file for the UNUSED_PARAMETER function template.
const DMatDMatMultExpr< T1, T2 > operator*(const DenseMatrix< T1, false > &lhs, const DenseMatrix< T2, false > &rhs)
Multiplication operator for the multiplication of two row-major dense matrices ( ).
Definition: DMatDMatMultExpr.h:4075
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatTSMatMultExpr.h:318
MT1::CompositeType CT1
Composite type of the left-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:110
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.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
Header file for the ColumnExprTrait class template.
Header file for the IsColumnMajorMatrix type trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatTSMatMultExpr.h:351
Header file for the TSVecTSMatMultExprTrait class template.
Header file for the sparse matrix SMP implementation.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
Header file for the IsRowVector type trait.
SMatTSMatMultExpr< MT1, MT2 > This
Type of this SMatTSMatMultExpr instance.
Definition: SMatTSMatMultExpr.h:116
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:108
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:128
void UNUSED_PARAMETER(const T1 &)
Suppression of unused parameter warnings.
Definition: Unused.h:84
MT2::CompositeType CT2
Composite type of the right-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:111
Header file for the TDVecSMatMultExprTrait class template.
Header file for the Computation base class.
Header file for the MatMatMultExpr base class.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SMatTSMatMultExpr.h:373
Header file for the RequiresEvaluation type trait.
Header file for the TSVecSMatMultExprTrait class template.
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2380
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
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatTSMatMultExpr.h:122
Header file for the SparseMatrix base class.
Constraint on the data type.
Expression object for sparse matrix-transpose sparse matrix multiplications.The SMatTSMatMultExpr cla...
Definition: Forward.h:102
Header file for the MultExprTrait class template.
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 check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
ResultType::ElementType ElementType
Resulting element type.
Definition: SMatTSMatMultExpr.h:120
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 multiplication trait.
#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 TDVecTSMatMultExprTrait class template.
Header file for the dense matrix SMP implementation.
Header file for the TSMatDVecMultExprTrait class template.
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
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatTSMatMultExpr.h:363
Header file for the SMatSVecMultExprTrait class template.
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatTSMatMultExpr.h:297
Constraints on the storage order of matrix types.
RightOperand rightOperand() const
Returns the right-hand side transpose sparse matrix operand.
Definition: SMatTSMatMultExpr.h:339
RightOperand rhs_
Right-hand side sparse matrix of the multiplication expression.
Definition: SMatTSMatMultExpr.h:381
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatTSMatMultExpr.h:307
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
const size_t SMP_SMATTSMATMULT_THRESHOLD
SMP row-major sparse matrix/column-major sparse matrix multiplication threshold.This threshold repres...
Definition: Thresholds.h:602
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatTSMatMultExpr.h:157
Header file for the IsSparseVector type trait.
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
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
Header file for run time assertion macros.
Utility type for generic codes.
Base template for the MultTrait class.
Definition: MultTrait.h:141
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:125
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
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
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SMatTSMatMultExpr.h:117
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatTSMatMultExpr.h:287
Header file for the RemoveReference type trait.
Header file for the IsDenseVector type trait.
SMatTSMatMultExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the SMatTSMatMultExpr class.
Definition: SMatTSMatMultExpr.h:142
LeftOperand leftOperand() const
Returns the left-hand side sparse matrix operand.
Definition: SMatTSMatMultExpr.h:329
LeftOperand lhs_
Left-hand side sparse matrix of the multiplication expression.
Definition: SMatTSMatMultExpr.h:380
Header file for the IsRowMajorMatrix type trait.
Header file for the IsComputation type trait class.
#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.
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatTSMatMultExpr.h:118
Header file for the IsColumnVector type trait.
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
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
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: SMatTSMatMultExpr.h:109
Header file for the IsExpression type trait class.
Header file for the TSMatSVecMultExprTrait class template.
Header file for the FunctionTrace class.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatTSMatMultExpr.h:119
const ElementType ReturnType
Return type for expression template evaluations.
Definition: SMatTSMatMultExpr.h:121