35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATDVECMULTEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SMATDVECMULTEXPR_H_ 92 class SMatDVecMultExpr
93 :
public MatVecMultExpr< DenseVector< SMatDVecMultExpr<MT,VT>, false > >
122 enum :
bool { useAssign = evaluateMatrix || evaluateVector };
127 template<
typename VT2 >
130 enum :
bool { value = useAssign };
141 template<
typename T1 >
142 struct UseSMPAssign {
143 enum :
bool { value = useAssign };
174 enum :
bool { simdEnabled =
false };
177 enum :
bool { smpAssignable = !evaluateMatrix && MT::smpAssignable &&
178 !evaluateVector && VT::smpAssignable };
215 if( index >=
mat_.rows() ) {
218 return (*
this)[index];
227 inline size_t size() const noexcept {
258 template<
typename T >
259 inline bool canAlias(
const T* alias )
const noexcept {
260 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
270 template<
typename T >
271 inline bool isAliased(
const T* alias )
const noexcept {
272 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
282 return vec_.isAligned();
292 return (
size() > SMP_SMATDVECMULT_THRESHOLD );
318 template<
typename VT1 >
326 if( rhs.mat_.columns() == 0UL ) {
339 assign( ~lhs, A * x );
360 template<
typename VT1 >
394 template<
typename VT1 >
402 if( rhs.mat_.columns() == 0UL ) {
414 addAssign( ~lhs, A * x );
439 template<
typename VT1 >
447 if( rhs.mat_.columns() == 0UL ) {
459 subAssign( ~lhs, A * x );
484 template<
typename VT1 >
497 multAssign( ~lhs, tmp );
522 template<
typename VT1 >
535 divAssign( ~lhs, tmp );
559 template<
typename VT1 >
567 if( rhs.mat_.columns() == 0UL ) {
600 template<
typename VT1 >
633 template<
typename VT1 >
641 if( rhs.mat_.columns() == 0UL ) {
677 template<
typename VT1 >
685 if( rhs.mat_.columns() == 0UL ) {
721 template<
typename VT1 >
758 template<
typename VT1 >
832 template<
typename MT
834 inline decltype(
auto)
861 template<
typename MT,
typename VT >
862 struct Size< SMatDVecMultExpr<MT,VT>, 0UL >
863 :
public Size<MT,0UL>
879 template<
typename MT,
typename VT >
880 struct IsAligned< SMatDVecMultExpr<MT,VT> >
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Header file for auxiliary alias declarations.
Header file for the blaze::checked and blaze::unchecked instances.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:71
Header file for basic type definitions.
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SMatDVecMultExpr.h:153
#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: ColumnVector.h:61
EnableIf_< IsDenseMatrix< MT1 > > 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:164
Header file for the serial shim.
CompositeType_< MT > MCT
Composite type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:100
Expression object for sparse matrix-dense vector multiplications.The SMatDVecMultExpr class represent...
Definition: Forward.h:110
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:588
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SMatDVecMultExpr.h:214
constexpr Unchecked unchecked
Global Unchecked instance.The blaze::unchecked instance is an optional token for the creation of view...
Definition: Check.h:138
EnableIf_< IsDenseVector< VT1 > > smpMultAssign(Vector< 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:193
Header file for the DenseVector base class.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDVecMultExpr.h:259
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:291
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SMatDVecMultExpr.h:227
Header file for the Computation base class.
SMatDVecMultExpr(const MT &mat, const VT &vec) noexcept
Constructor for the SMatDVecMultExpr class.
Definition: SMatDVecMultExpr.h:187
Constraints on the storage order of matrix types.
Header file for the RequiresEvaluation type trait.
IfTrue_< evaluateMatrix, const MRT, MCT > LT
Type for the assignment of the left-hand side sparse matrix operand.
Definition: SMatDVecMultExpr.h:166
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
EnableIf_< IsDenseMatrix< MT1 > > 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:133
const ElementType ReturnType
Return type for expression template evaluations.
Definition: SMatDVecMultExpr.h:154
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:129
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SMatDVecMultExpr.h:201
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
Constraint on the transpose flag of vector types.
Compile time check for the alignment of data types.This type trait tests whether the given data type ...
Definition: IsAligned.h:87
Constraint on the data type.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:71
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
ResultType_< MT > MRT
Result type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:98
If_< IsExpression< MT >, const MT, const MT &> LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:160
Header file for the DisableIf class template.
Header file for the multiplication trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDVecMultExpr.h:271
Header file for the If class template.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: SMatDVecMultExpr.h:281
IfTrue_< evaluateVector, const VRT, VCT > RT
Type for the assignment of the right-hand side dense matrix operand.
Definition: SMatDVecMultExpr.h:169
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDVecMultExpr.h:152
EnableIf_< IsDenseMatrix< MT1 > > 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:102
MultTrait_< MRT, VRT > ResultType
Result type for expression template evaluations.
Definition: SMatDVecMultExpr.h:151
RightOperand vec_
Right-hand side dense vector of the multiplication expression.
Definition: SMatDVecMultExpr.h:299
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
LeftOperand mat_
Left-hand side sparse matrix of the multiplication expression.
Definition: SMatDVecMultExpr.h:298
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
CompositeType_< VT > VCT
Composite type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:101
Header file for the IsAligned type trait.
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:506
#define BLAZE_CONSTRAINT_MUST_NOT_BE_MATMATMULTEXPR_TYPE(T)
Constraint on the data type.In case the given data type T is a matrix/matrix multiplication expressio...
Definition: MatMatMultExpr.h:87
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATVECMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/vector ...
Definition: MatVecMultExpr.h:108
Constraint on the data type.
Header file for the exception macros of the math module.
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SMatDVecMultExpr.h:291
#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: RowMajorMatrix.h:61
Header file for run time assertion macros.
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse matrix operand.
Definition: SMatDVecMultExpr.h:237
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SMatDVecMultExpr.h:247
If_< IsExpression< VT >, const VT, const VT &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:163
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
decltype(auto) row(Matrix< MT, SO > &, RRAs...)
Creating a view on a specific row of the given matrix.
Definition: Row.h:131
EnableIf_< IsDenseVector< VT1 > > smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:222
Header file for the reset shim.
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:816
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
Header file for the RemoveReference type trait.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
ResultType_< VT > VRT
Result type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:99
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3080
#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:61
Header file for the IsComputation type trait class.
Compile time evaluation of the size of vectors and matrices.The Size type trait evaluates the size of...
Definition: Size.h:80
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
Constraint on the data type.
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
Header file for the MatVecMultExpr base class.
Constraint on the data type.
IfTrue_< useAssign, const ResultType, const SMatDVecMultExpr &> CompositeType
Data type for composite expression templates.
Definition: SMatDVecMultExpr.h:157
Header file for the Size type trait.
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:61
Header file for the IsExpression type trait class.
Header file for the function trace functionality.