35 #ifndef _BLAZE_MATH_EXPRESSIONS_TDVECSMATMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TDVECSMATMULTEXPR_H_
93 class TDVecSMatMultExpr :
public DenseVector< TDVecSMatMultExpr<VT,MT>, true >
94 ,
private TVecMatMultExpr
120 template<
typename T1,
typename T2,
typename T3 >
121 struct UseSMPAssignKernel {
122 enum { value = evaluateVector || evaluateMatrix };
151 enum { vectorizable = 0 };
154 enum { smpAssignable = !evaluateVector && !evaluateMatrix };
179 if(
vec_.size() != 0UL ) {
181 for(
size_t i=1UL; i<
vec_.size(); ++i ) {
199 return mat_.columns();
229 template<
typename T >
231 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
241 template<
typename T >
243 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
253 return vec_.isAligned();
285 template<
typename VT2 >
294 if( rhs.mat_.rows() == 0UL )
return;
304 TDVecSMatMultExpr::selectAssignKernel( ~lhs, x, A );
322 template<
typename VT1
326 selectAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
330 for(
size_t i=0UL; i<x.size(); ++i )
332 const ConstIterator end( A.end(i) );
333 ConstIterator element( A.begin(i) );
335 for( ; element!=end; ++element ) {
338 y[element->index()] = x[i] * element->value();
340 y[element->index()] += x[i] * element->value();
361 template<
typename VT1
364 static inline typename EnableIf< UseSMPAssignKernel<VT1,VT2,MT1> >::Type
365 selectAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
384 template<
typename VT2 >
412 template<
typename VT2 >
421 if( rhs.mat_.rows() == 0UL ) {
433 TDVecSMatMultExpr::selectAddAssignKernel( ~lhs, x, A );
451 template<
typename VT1
455 selectAddAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
459 for(
size_t i=0UL; i<x.size(); ++i )
461 const ConstIterator end( A.end(i) );
462 ConstIterator element( A.begin(i) );
464 for( ; element!=end; ++element ) {
465 y[element->index()] += x[i] * element->value();
486 template<
typename VT1
489 static inline typename EnableIf< UseSMPAssignKernel<VT1,VT2,MT1> >::Type
490 selectAddAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
513 template<
typename VT2 >
522 if( rhs.mat_.rows() == 0UL ) {
534 TDVecSMatMultExpr::selectSubAssignKernel( ~lhs, x, A );
552 template<
typename VT1
556 selectSubAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
560 for(
size_t i=0UL; i<x.size(); ++i )
562 const ConstIterator end( A.end(i) );
563 ConstIterator element( A.begin(i) );
565 for( ; element!=end; ++element ) {
566 y[element->index()] -= x[i] * element->value();
587 template<
typename VT1
590 static inline typename EnableIf< UseSMPAssignKernel<VT1,VT2,MT1> >::Type
591 selectSubAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
614 template<
typename VT2 >
685 template<
typename T1
687 inline const typename DisableIf< IsMatMatMultExpr<T2>, TDVecSMatMultExpr<T1,T2> >::Type
692 if( (~vec).size() != (~mat).
rows() )
693 throw std::invalid_argument(
"Vector and matrix sizes do not match" );
721 template<
typename T1
724 inline const typename EnableIf< IsMatMatMultExpr<T2>, MultExprTrait<T1,T2> >::Type::Type
729 return ( vec * (~mat).leftOperand() ) * (~mat).rightOperand();
744 template<
typename VT,
typename MT,
bool AF >
745 struct SubvectorExprTrait< TDVecSMatMultExpr<VT,MT>, AF >
749 typedef typename MultExprTrait< VT, typename SubmatrixExprTrait<const MT,AF>::Type >::Type Type;
MT::ResultType MRT
Result type of the right-hand side sparse matrix expression.
Definition: TDVecSMatMultExpr.h:100
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: TDVecSMatMultExpr.h:208
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4579
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
Expression object for transpose dense vector-sparse matrix multiplications.The TDVecSMatMultExpr clas...
Definition: Forward.h:130
MCT RT
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecSMatMultExpr.h:146
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
bool isDefault(const DynamicMatrix< Type, SO > &m)
Returns whether the given dense matrix is in default state.
Definition: DynamicMatrix.h:4622
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
void smpMultAssign(DenseVector< 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:178
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: TDVecSMatMultExpr.h:137
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 DenseVector base class.
RightOperand mat_
Right-hand side sparse matrix of the multiplication expression.
Definition: TDVecSMatMultExpr.h:270
Header file for the Computation base class.
ResultType::ElementType ElementType
Resulting element type.
Definition: TDVecSMatMultExpr.h:132
Header file for the RequiresEvaluation type trait.
SelectType< evaluateVector, const VRT, VCT >::Type LT
Composite type of the left-hand side dense vector expression.
Definition: TDVecSMatMultExpr.h:143
const ResultType CompositeType
Data type for composite expression templates.
Definition: TDVecSMatMultExpr.h:134
friend void assign(SparseVector< VT2, true > &lhs, const TDVecSMatMultExpr &rhs)
Assignment of a transpose dense vector-sparse matrix multiplication to a sparse vector ( )...
Definition: TDVecSMatMultExpr.h:385
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.
Constraint on the data type.
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
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 DisableIf class template.
friend void subAssign(DenseVector< VT2, true > &lhs, const TDVecSMatMultExpr &rhs)
Subtraction assignment of a transpose dense vector-sparse matrix multiplication to a dense vector ( )...
Definition: TDVecSMatMultExpr.h:514
Header file for the multiplication trait.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TDVecSMatMultExpr.h:131
Header file for the dense vector SMP implementation.
TDVecSMatMultExpr< VT, MT > This
Type of this TDVecSMatMultExpr instance.
Definition: TDVecSMatMultExpr.h:129
friend void multAssign(DenseVector< VT2, true > &lhs, const TDVecSMatMultExpr &rhs)
Multiplication assignment of a transpose dense vector-sparse matrix multiplication to a dense vector ...
Definition: TDVecSMatMultExpr.h:615
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
Header file for the IsMatMatMultExpr type trait class.
VT::CompositeType VCT
Composite type of the left-hand side dense vector expression.
Definition: TDVecSMatMultExpr.h:101
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
Constraint on the data type.
TDVecSMatMultExpr(const VT &vec, const MT &mat)
Constructor for the TDVecSMatMultExpr class.
Definition: TDVecSMatMultExpr.h:160
#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.
Constraint on the data type.
LeftOperand vec_
Left-hand side dense vector of the multiplication expression.
Definition: TDVecSMatMultExpr.h:269
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
VT::ResultType VRT
Result type of the left-hand side dense vector expression.
Definition: TDVecSMatMultExpr.h:99
Header file for the EnableIf class template.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TDVecSMatMultExpr.h:174
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TDVecSMatMultExpr.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
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
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
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: TDVecSMatMultExpr.h:252
Header file for run time assertion macros.
Base template for the MultTrait class.
Definition: MultTrait.h:141
MT::CompositeType MCT
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecSMatMultExpr.h:102
const size_t SMP_TDVECSMATMULT_THRESHOLD
SMP dense vector/row-major sparse matrix multiplication threshold.This threshold represents the syste...
Definition: Thresholds.h:269
Header file for the reset shim.
Header file for the isDefault shim.
Header file for the TVecMatMultExpr base class.
friend void addAssign(DenseVector< VT2, true > &lhs, const TDVecSMatMultExpr &rhs)
Addition assignment of a transpose dense vector-sparse matrix multiplication to a dense vector ( )...
Definition: TDVecSMatMultExpr.h:413
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TDVecSMatMultExpr.h:230
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TDVecSMatMultExpr.h:242
MultTrait< VRT, MRT >::Type ResultType
Result type for expression template evaluations.
Definition: TDVecSMatMultExpr.h:130
Header file for the RemoveReference type trait.
Substitution Failure Is Not An Error (SFINAE) class.The DisableIf class template is an auxiliary tool...
Definition: DisableIf.h:184
friend void assign(DenseVector< VT2, true > &lhs, const TDVecSMatMultExpr &rhs)
Assignment of a transpose dense vector-sparse matrix multiplication to a dense vector ( )...
Definition: TDVecSMatMultExpr.h:286
#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:79
Header file for the IsComputation type trait class.
Header file for the sparse vector SMP implementation.
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:105
#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
RightOperand rightOperand() const
Returns the right-hand side sparse matrix operand.
Definition: TDVecSMatMultExpr.h:218
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
Header file for basic type definitions.
#define BLAZE_CONSTRAINT_MUST_BE_ROW_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a row dense or sparse vector type (i...
Definition: TransposeFlag.h:81
Header file for the SubvectorExprTrait class template.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: TDVecSMatMultExpr.h:262
Header file for the IsResizable type trait.
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecSMatMultExpr.h:140
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
size_t size() const
Returns the current size/dimension of the vector.
Definition: TDVecSMatMultExpr.h:198
#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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.