35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATSVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DMATSVECMULTEXPR_H_
104 template<
typename MT
136 enum :
bool { useAssign = evaluateMatrix || evaluateVector };
141 template<
typename VT2 >
144 enum :
bool { value = useAssign };
155 template<
typename T1 >
156 struct UseSMPAssign {
157 enum :
bool { value = useAssign };
188 enum :
bool { simdEnabled =
false };
191 enum :
bool { smpAssignable = !evaluateMatrix && MT::smpAssignable &&
192 !evaluateVector && VT::smpAssignable };
220 return mat_(index,index) *
vec_[index];
230 const size_t n (
mat_.columns() -
begin );
247 inline ReturnType
at(
size_t index )
const {
248 if( index >=
mat_.rows() ) {
251 return (*
this)[index];
260 inline size_t size() const noexcept {
291 template<
typename T >
292 inline bool canAlias(
const T* alias )
const noexcept {
293 return mat_.isAliased( alias ) ||
vec_.isAliased( alias );
303 template<
typename T >
304 inline bool isAliased(
const T* alias )
const noexcept {
305 return mat_.isAliased( alias ) ||
vec_.isAliased( alias );
315 return mat_.isAligned();
325 return (
size() > SMP_DMATSVECMULT_THRESHOLD );
351 template<
typename VT1 >
361 if( x.nonZeros() == 0UL ) {
376 assign( ~lhs, A * x );
397 template<
typename VT1 >
409 const ResultType tmp(
serial( rhs ) );
431 template<
typename VT1 >
432 friend inline EnableIf_< UseAssign<VT1> >
440 RT x(
serial( rhs.vec_ ) );
441 if( x.nonZeros() == 0UL )
return;
444 LT A(
serial( rhs.mat_ ) );
453 addAssign( ~lhs, A * x );
478 template<
typename VT1 >
479 friend inline EnableIf_< UseAssign<VT1> >
487 RT x(
serial( rhs.vec_ ) );
488 if( x.nonZeros() == 0UL )
return;
491 LT A(
serial( rhs.mat_ ) );
500 subAssign( ~lhs, A * x );
525 template<
typename VT1 >
526 friend inline EnableIf_< UseAssign<VT1> >
537 const ResultType tmp(
serial( rhs ) );
538 multAssign( ~lhs, tmp );
563 template<
typename VT1 >
564 friend inline EnableIf_< UseAssign<VT1> >
575 const ResultType tmp(
serial( rhs ) );
576 divAssign( ~lhs, tmp );
600 template<
typename VT1 >
601 friend inline EnableIf_< UseSMPAssign<VT1> >
610 if( x.nonZeros() == 0UL ) {
645 template<
typename VT1 >
646 friend inline EnableIf_< UseSMPAssign<VT1> >
657 const ResultType tmp( rhs );
678 template<
typename VT1 >
679 friend inline EnableIf_< UseSMPAssign<VT1> >
688 if( x.nonZeros() == 0UL )
return;
724 template<
typename VT1 >
725 friend inline EnableIf_< UseSMPAssign<VT1> >
734 if( x.nonZeros() == 0UL )
return;
770 template<
typename VT1 >
771 friend inline EnableIf_< UseSMPAssign<VT1> >
782 const ResultType tmp( rhs );
807 template<
typename VT1 >
808 friend inline EnableIf_< UseSMPAssign<VT1> >
819 const ResultType tmp( rhs );
883 template<
typename T1
885 inline const DisableIf_< Or< IsSymmetric<T1>, IsMatMatMultExpr<T1> >
886 , DMatSVecMultExpr<T1,T2> >
923 template<
typename T1
925 inline const EnableIf_< IsSymmetric<T1>, MultExprTrait_<T1,T2> >
926 operator*(
const DenseMatrix<T1,false>& mat,
const SparseVector<T2,false>& vec )
936 return trans( ~mat ) * (~vec);
956 template<
typename T1
959 inline const EnableIf_< IsMatMatMultExpr<T1>, MultExprTrait_<T1,T2> >
960 operator*(
const DenseMatrix<T1,SO>& mat,
const SparseVector<T2,false>& vec )
966 return (~mat).leftOperand() * ( (~mat).rightOperand() * vec );
982 template<
typename MT,
typename VT >
983 struct Size< DMatSVecMultExpr<MT,VT> > :
public Rows<MT>
999 template<
typename MT,
typename VT >
1000 struct IsAligned< DMatSVecMultExpr<MT,VT> >
1017 template<
typename MT,
typename VT,
bool AF >
1018 struct SubvectorExprTrait< DMatSVecMultExpr<MT,VT>, AF >
1022 using Type = MultExprTrait_< SubmatrixExprTrait_<const MT,AF>
1023 , 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
Header file for auxiliary alias declarations.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DMatSVecMultExpr.h:260
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:72
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense matrix operand.
Definition: DMatSVecMultExpr.h:270
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
If_< IsExpression< VT >, const VT, const VT & > RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DMatSVecMultExpr.h:177
Header file for basic type definitions.
DMatSVecMultExpr< MT, VT > This
Type of this DMatSVecMultExpr instance.
Definition: DMatSVecMultExpr.h:164
#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_< VT > VRT
Result type of the right-hand side sparse vector expression.
Definition: DMatSVecMultExpr.h:113
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:61
BLAZE_ALWAYS_INLINE MT::Iterator begin(Matrix< MT, SO > &matrix, size_t i)
Returns an iterator to the first element of row/column i.
Definition: Matrix.h:188
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:533
IfTrue_< evaluateVector, const VRT, VCT > RT
Type for the assignment of the right-hand side dense matrix operand.
Definition: DMatSVecMultExpr.h:183
MultTrait_< MRT, VRT > ResultType
Result type for expression template evaluations.
Definition: DMatSVecMultExpr.h:165
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
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DMatSVecMultExpr.h:304
Header file for the DenseVector base class.
Compile time check for lower triangular matrices.This type trait tests whether or not the given templ...
Definition: IsLower.h:88
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DMatSVecMultExpr.h:166
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.
Compile time check for upper triangular matrices.This type trait tests whether or not the given templ...
Definition: IsUpper.h:88
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DMatSVecMultExpr.h:314
Constraints on the storage order of matrix types.
Header file for the RequiresEvaluation type trait.
LeftOperand mat_
Left-hand side dense matrix of the multiplication expression.
Definition: DMatSVecMultExpr.h:331
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
ElementType_< ResultType > ElementType
Resulting element type.
Definition: DMatSVecMultExpr.h:167
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DMatSVecMultExpr.h:247
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DMatSVecMultExpr.h:324
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.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
SubvectorExprTrait_< VT, unaligned > subvector(Vector< VT, TF > &vector, size_t index, size_t size)
Creating a view on a specific subvector of the given vector.
Definition: Subvector.h:152
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
Expression object for dense matrix-sparse vector multiplications.The DMatSVecMultExpr class represent...
Definition: DMatSVecMultExpr.h:106
Header file for the DisableIf class template.
Header file for the multiplication trait.
Header file for the IsStrictlyUpper type trait.
Header file for the IsSymmetric type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
CompositeType_< MT > MCT
Composite type of the left-hand side dense matrix expression.
Definition: DMatSVecMultExpr.h:114
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
Header file for the Or class template.
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
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: DMatSVecMultExpr.h:280
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
RightOperand vec_
Right-hand side sparse vector of the multiplication expression.
Definition: DMatSVecMultExpr.h:332
CompositeType_< VT > VCT
Composite type of the right-hand side sparse vector expression.
Definition: DMatSVecMultExpr.h:115
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 IsLower type trait.
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional vector type...
Definition: SparseVector.h:61
Header file for the IsAligned type trait.
Compile time check for diagonal matrices.This type trait tests whether or not the given template para...
Definition: IsDiagonal.h:90
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
If_< IsExpression< MT >, const MT, const MT & > LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatSVecMultExpr.h:174
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DMatSVecMultExpr.h:292
Base class for all matrix/vector multiplication expression templates.The MatVecMultExpr class serves ...
Definition: MatVecMultExpr.h:66
#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:89
#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
Constraint on the data type.
Header file for the exception macros of the math module.
Compile time check for strictly upper triangular matrices.This type trait tests whether or not the gi...
Definition: IsStrictlyUpper.h:86
Header file for all forward declarations for expression class templates.
Constraint on the data type.
Header file for the EnableIf class template.
Header file for the IsStrictlyLower type trait.
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
IfTrue_< useAssign, const ResultType, const DMatSVecMultExpr & > CompositeType
Data type for composite expression templates.
Definition: DMatSVecMultExpr.h:171
#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
Header file for run time assertion macros.
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.
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
Compile time check for strictly lower triangular matrices.This type trait tests whether or not the gi...
Definition: IsStrictlyLower.h:86
#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
const ElementType ReturnType
Return type for expression template evaluations.
Definition: DMatSVecMultExpr.h:168
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:950
Header file for the IsComputation type trait class.
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:110
#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 IsUpper type trait.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DMatSVecMultExpr.h:215
Header file for the MatVecMultExpr base class.
Constraint on the data type.
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
ResultType_< MT > MRT
Result type of the left-hand side dense matrix expression.
Definition: DMatSVecMultExpr.h:112
IfTrue_< evaluateMatrix, const MRT, MCT > LT
Type for the assignment of the left-hand side dense matrix operand.
Definition: DMatSVecMultExpr.h:180
DMatSVecMultExpr(const MT &mat, const VT &vec) noexcept
Constructor for the DMatSVecMultExpr class.
Definition: DMatSVecMultExpr.h:201
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.