35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATDVECMULTEXPR_H_
98 class SMatDVecMultExpr :
public DenseVector< SMatDVecMultExpr<MT,VT>, false >
99 ,
private MatVecMultExpr
100 ,
private Computation
128 enum :
bool { useAssign = evaluateMatrix || evaluateVector };
133 template<
typename VT2 >
136 enum :
bool { value = useAssign };
147 template<
typename T1 >
148 struct UseSMPAssign {
149 enum :
bool { value = useAssign };
180 enum :
bool { simdEnabled =
false };
183 enum :
bool { smpAssignable = !evaluateMatrix && MT::smpAssignable &&
184 !evaluateVector && VT::smpAssignable };
220 inline ReturnType
at(
size_t index )
const {
221 if( index >=
mat_.rows() ) {
224 return (*
this)[index];
233 inline size_t size() const noexcept {
264 template<
typename T >
265 inline bool canAlias(
const T* alias )
const noexcept {
266 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
276 template<
typename T >
277 inline bool isAliased(
const T* alias )
const noexcept {
278 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
288 return vec_.isAligned();
298 return (
size() > SMP_SMATDVECMULT_THRESHOLD );
324 template<
typename VT1 >
332 if( rhs.mat_.columns() == 0UL ) {
337 LT A(
serial( rhs.mat_ ) );
338 RT x(
serial( rhs.vec_ ) );
345 assign( ~lhs, A * x );
366 template<
typename VT1 >
378 const ResultType tmp(
serial( rhs ) );
400 template<
typename VT1 >
401 friend inline EnableIf_< UseAssign<VT1> >
408 if( rhs.mat_.columns() == 0UL ) {
412 LT A(
serial( rhs.mat_ ) );
413 RT x(
serial( rhs.vec_ ) );
420 addAssign( ~lhs, A * x );
445 template<
typename VT1 >
446 friend inline EnableIf_< UseAssign<VT1> >
453 if( rhs.mat_.columns() == 0UL ) {
457 LT A(
serial( rhs.mat_ ) );
458 RT x(
serial( rhs.vec_ ) );
465 subAssign( ~lhs, A * x );
490 template<
typename VT1 >
491 friend inline EnableIf_< UseAssign<VT1> >
502 const ResultType tmp(
serial( rhs ) );
503 multAssign( ~lhs, tmp );
528 template<
typename VT1 >
529 friend inline EnableIf_< UseAssign<VT1> >
540 const ResultType tmp(
serial( rhs ) );
541 divAssign( ~lhs, tmp );
565 template<
typename VT1 >
566 friend inline EnableIf_< UseSMPAssign<VT1> >
573 if( rhs.mat_.columns() == 0UL ) {
606 template<
typename VT1 >
607 friend inline EnableIf_< UseSMPAssign<VT1> >
618 const ResultType tmp( rhs );
639 template<
typename VT1 >
640 friend inline EnableIf_< UseSMPAssign<VT1> >
647 if( rhs.mat_.columns() == 0UL ) {
683 template<
typename VT1 >
684 friend inline EnableIf_< UseSMPAssign<VT1> >
691 if( rhs.mat_.columns() == 0UL ) {
727 template<
typename VT1 >
728 friend inline EnableIf_< UseSMPAssign<VT1> >
739 const ResultType tmp( rhs );
764 template<
typename VT1 >
765 friend inline EnableIf_< UseSMPAssign<VT1> >
776 const ResultType tmp( rhs );
838 template<
typename T1
840 inline const DisableIf_< IsMatMatMultExpr<T1>, SMatDVecMultExpr<T1,T2> >
875 template<
typename T1
878 inline const EnableIf_< IsMatMatMultExpr<T1>, MultExprTrait_<T1,T2> >
885 return (~mat).leftOperand() * ( (~mat).rightOperand() * vec );
900 template<
typename MT,
typename VT >
901 struct Size< SMatDVecMultExpr<MT,VT> > :
public Rows<MT>
917 template<
typename MT,
typename VT >
918 struct IsAligned< SMatDVecMultExpr<MT,VT> >
935 template<
typename MT,
typename VT,
bool AF >
936 struct SubvectorExprTrait< SMatDVecMultExpr<MT,VT>, AF >
940 using Type = MultExprTrait_< SubmatrixExprTrait_<const MT,AF>
941 , SubvectorExprTrait_<const VT,AF> >;
#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
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDVecMultExpr.h:265
Header file for auxiliary alias declarations.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:72
Header file for the Rows type trait.
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:7800
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SMatDVecMultExpr.h:297
Header file for basic type definitions.
CompositeType_< VT > VCT
Composite type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:107
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: SMatDVecMultExpr.h:287
#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:160
Header file for the serial shim.
Header file for the IsDiagonal type trait.
BLAZE_ALWAYS_INLINE size_t size(const Vector< VT, TF > &vector) noexcept
Returns the current size/dimension of the vector.
Definition: Vector.h:258
ResultType_< MT > MRT
Result type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:104
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SMatDVecMultExpr.h:233
Expression object for sparse matrix-dense vector multiplications.The SMatDVecMultExpr class represent...
Definition: Forward.h:92
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:533
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.
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:723
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:245
Header file for the Computation base class.
SMatDVecMultExpr(const MT &mat, const VT &vec) noexcept
Constructor for the SMatDVecMultExpr class.
Definition: SMatDVecMultExpr.h:193
Constraints on the storage order of matrix types.
MultTrait_< MRT, VRT > ResultType
Result type for expression template evaluations.
Definition: SMatDVecMultExpr.h:157
Header file for the RequiresEvaluation type trait.
CompositeType_< MT > MCT
Composite type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:106
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:323
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:129
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:109
Constraint on the data type.
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.
Constraint on the data type.
Header file for the MultExprTrait class template.
IfTrue_< evaluateVector, const VRT, VCT > RT
Type for the assignment of the right-hand side dense matrix operand.
Definition: SMatDVecMultExpr.h:175
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDVecMultExpr.h:277
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SMatDVecMultExpr.h:220
Header file for the DisableIf class template.
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse matrix operand.
Definition: SMatDVecMultExpr.h:243
ResultType_< VT > VRT
Result type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:105
Header file for the multiplication trait.
IfTrue_< evaluateMatrix, const MRT, MCT > LT
Type for the assignment of the left-hand side sparse matrix operand.
Definition: SMatDVecMultExpr.h:172
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
IfTrue_< useAssign, const ResultType, const SMatDVecMultExpr & > CompositeType
Data type for composite expression templates.
Definition: SMatDVecMultExpr.h:163
If_< IsExpression< VT >, const VT, const VT & > RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SMatDVecMultExpr.h:169
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:98
RightOperand vec_
Right-hand side dense vector of the multiplication expression.
Definition: SMatDVecMultExpr.h:305
Header file for the IsMatMatMultExpr type trait class.
#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:304
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SMatDVecMultExpr.h:159
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
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:330
#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:60
#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:110
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SMatDVecMultExpr.h:253
Constraint on the data type.
Header file for the exception macros of the math module.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
DisableIf_< Or< IsComputation< MT >, IsTransExpr< MT > >, RowExprTrait_< MT > > row(Matrix< MT, SO > &matrix, size_t index)
Creating a view on a specific row of the given matrix.
Definition: Row.h:126
#define BLAZE_CONSTRAINT_MUST_NOT_BE_SYMMETRIC_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is a symmetric matrix type, a compilation error is created.
Definition: Symmetric.h:79
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: RowMajorMatrix.h:61
const ElementType ReturnType
Return type for expression template evaluations.
Definition: SMatDVecMultExpr.h:160
Header file for run time assertion macros.
If_< IsExpression< MT >, const MT, const MT & > LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: SMatDVecMultExpr.h:166
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:160
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.
Constraint on the data type.
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDVecMultExpr.h:158
IntegralConstant< bool, B > BoolConstant
Generic wrapper for a compile time constant boolean value.The BoolConstant class template represents ...
Definition: IntegralConstant.h:100
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:223
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SMatDVecMultExpr.h:207
#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.
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:110
SMatDVecMultExpr< MT, VT > This
Type of this SMatDVecMultExpr instance.
Definition: SMatDVecMultExpr.h:156
#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
Header file for the IntegralConstant class template.
Header file for the SubvectorExprTrait class template.
Constraint on the data type.
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:403
Header file for the MatVecMultExpr base class.
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 FunctionTrace class.