35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
93 class TSMatDVecMultExpr :
public DenseVector< TSMatDVecMultExpr<MT,VT>, false >
94 ,
private MatVecMultExpr
120 template<
typename T1,
typename T2,
typename T3 >
121 struct UseSMPAssignKernel {
122 enum { value = evaluateMatrix || evaluateVector };
151 enum { vectorizable = 0 };
154 enum { smpAssignable = !evaluateMatrix && !evaluateVector };
182 if(
vec_.size() > 0UL ) {
184 for(
size_t j=1UL; j<
vec_.size(); ++j )
231 template<
typename T >
233 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
243 template<
typename T >
245 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
255 return vec_.isAligned();
288 template<
typename VT1 >
297 if( rhs.mat_.columns() == 0UL )
return;
307 TSMatDVecMultExpr::selectAssignKernel( ~lhs, A, x );
326 template<
typename VT1
330 selectAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
334 for(
size_t j=0UL; j<A.columns(); ++j )
336 ConstIterator element( A.begin(j) );
337 const ConstIterator end( A.end(j) );
339 for( ; element!=end; ++element ) {
342 y[element->index()] = element->value() * x[j];
344 y[element->index()] += element->value() * x[j];
365 template<
typename VT1
368 static inline typename EnableIf< UseSMPAssignKernel<VT1,MT1,VT2> >::Type
369 selectAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
389 template<
typename VT1 >
422 template<
typename VT1 >
429 if( rhs.mat_.columns() == 0UL )
return;
439 TSMatDVecMultExpr::selectAddAssignKernel( ~lhs, A, x );
458 template<
typename VT1
461 static inline typename DisableIf< UseSMPAssignKernel<VT1,MT1,VT2> >::Type
462 selectAddAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
466 for(
size_t j=0UL; j<A.columns(); ++j )
468 ConstIterator element( A.begin(j) );
469 const ConstIterator end( A.end(j) );
471 for( ; element!=end; ++element ) {
472 y[element->index()] += element->value() * x[j];
493 template<
typename VT1
496 static inline typename EnableIf< UseSMPAssignKernel<VT1,MT1,VT2> >::Type
497 selectAddAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
524 template<
typename VT1 >
533 if( rhs.mat_.columns() == 0UL )
return;
543 TSMatDVecMultExpr::selectSubAssignKernel( ~lhs, A, x );
562 template<
typename VT1
565 static inline typename DisableIf< UseSMPAssignKernel<VT1,MT1,VT2> >::Type
566 selectSubAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
570 for(
size_t j=0UL; j<A.columns(); ++j )
572 ConstIterator element( A.begin(j) );
573 const ConstIterator end( A.end(j) );
575 for( ; element!=end; ++element ) {
576 y[element->index()] -= element->value() * x[j];
597 template<
typename VT1
600 static inline typename EnableIf< UseSMPAssignKernel<VT1,MT1,VT2> >::Type
601 selectSubAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
628 template<
typename VT1 >
700 template<
typename T1
702 inline const typename DisableIf< IsMatMatMultExpr<T1>, TSMatDVecMultExpr<T1,T2> >::Type
707 if( (~mat).
columns() != (~vec).size() )
708 throw std::invalid_argument(
"Matrix and vector sizes do not match" );
725 template<
typename MT,
typename VT,
bool AF >
726 struct SubvectorExprTrait< TSMatDVecMultExpr<MT,VT>, AF >
730 typedef typename MultExprTrait< typename SubmatrixExprTrait<const MT,AF>::Type, VT >::Type Type;
RightOperand vec_
Right-hand side dense vector of the multiplication expression.
Definition: TSMatDVecMultExpr.h:272
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
VT::CompositeType VCT
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:102
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4579
size_t size() const
Returns the current size/dimension of the vector.
Definition: TSMatDVecMultExpr.h:200
Expression object for transpose sparse matrix-dense vector multiplications.The TSMatDVecMultExpr clas...
Definition: Forward.h:135
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
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
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a column dense or sparse vector type...
Definition: TransposeFlag.h:159
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
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.
LeftOperand mat_
Left-hand side sparse matrix of the multiplication expression.
Definition: TSMatDVecMultExpr.h:271
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
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.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: TSMatDVecMultExpr.h:264
const size_t SMP_TSMATDVECMULT_THRESHOLD
SMP column-major sparse matrix/dense vector multiplication threshold.This threshold represents the sy...
Definition: Thresholds.h:256
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
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:251
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.
Header file for the multiplication trait.
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSMatDVecMultExpr.h:134
Header file for the dense vector SMP implementation.
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: TSMatDVecMultExpr.h:254
#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
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSMatDVecMultExpr.h:232
MultTrait< MRT, VRT >::Type ResultType
Result type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:130
Header file for the IsMatMatMultExpr type trait 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
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.
#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.
void multAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the multiplication assignment of a matrix to a matrix.
Definition: Matrix.h:269
SelectType< evaluateVector, const VRT, VCT >::Type RT
Type for the assignment of the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:146
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
TSMatDVecMultExpr(const MT &mat, const VT &vec)
Constructor for the TSMatDVecMultExpr class.
Definition: TSMatDVecMultExpr.h:163
Header file for the EnableIf class template.
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:140
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSMatDVecMultExpr.h:244
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.
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.
Base template for the MultTrait class.
Definition: MultTrait.h:141
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
Header file for the reset shim.
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
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:133
Header file for the isDefault shim.
VT::ResultType VRT
Result type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:100
TSMatDVecMultExpr< MT, VT > This
Type of this TSMatDVecMultExpr instance.
Definition: TSMatDVecMultExpr.h:129
MT::ResultType MRT
Result type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:99
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
ResultType::ElementType ElementType
Resulting element type.
Definition: TSMatDVecMultExpr.h:132
LeftOperand leftOperand() const
Returns the left-hand side transpose sparse matrix operand.
Definition: TSMatDVecMultExpr.h:210
#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
MT::CompositeType MCT
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:101
Header file for the IsComputation type trait class.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSMatDVecMultExpr.h:177
Header file for the sparse vector SMP implementation.
MCT LT
Type for the assignment of the left-hand side sparse matrix operand.
Definition: TSMatDVecMultExpr.h:143
#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
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:220
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
Header file for the MatVecMultExpr base class.
Header file for the IsResizable type trait.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:131
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
#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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:137