35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECSUBEXPR_H_
84 template<
typename VT1
87 class SVecDVecSubExpr :
public DenseVector< SVecDVecSubExpr<VT1,VT2,TF>, TF >
88 ,
private VecVecSubExpr
138 enum { vectorizable = 0 };
141 enum { smpAssignable = 0 };
206 template<
typename T >
208 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
218 template<
typename T >
220 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
242 template<
typename VT >
249 assign ( ~lhs, -rhs.rhs_ );
267 template<
typename VT >
296 template<
typename VT >
325 template<
typename VT >
354 template<
typename VT >
421 template<
typename T1
424 inline const SVecDVecSubExpr<T1,T2,TF>
429 if( (~lhs).size() != (~rhs).size() )
430 throw std::invalid_argument(
"Vector sizes do not match" );
458 template<
typename T1
462 inline const typename AddExprTrait< SVecDVecSubExpr<T1,T2,TF>, T3 >::Type
463 operator+(
const SVecDVecSubExpr<T1,T2,TF>& lhs,
const DenseVector<T3,TF>& rhs )
467 return ( (~rhs) - lhs.rightOperand() ) + lhs.leftOperand();
486 template<
typename T1
490 inline const typename SubExprTrait< SVecDVecSubExpr<T1,T2,TF>, T3 >::Type
491 operator-(
const SVecDVecSubExpr<T1,T2,TF>& lhs,
const DenseVector<T3,TF>& rhs )
495 return lhs.leftOperand() - ( lhs.rightOperand() + (~rhs) );
511 template<
typename VT1,
typename VT2,
typename VT3 >
512 struct DVecDVecAddExprTrait< SVecDVecSubExpr<VT1,VT2,false>, VT3 >
517 typedef typename SelectType< IsSparseVector<VT1>::value && IsColumnVector<VT1>::value &&
518 IsDenseVector<VT2>::value && IsColumnVector<VT2>::value &&
519 IsDenseVector<VT3>::value && IsColumnVector<VT3>::value
520 ,
typename DVecSVecAddExprTrait< typename DVecDVecSubExprTrait<VT3,VT2>::Type, VT1 >::Type
521 , INVALID_TYPE >::Type Type;
531 template<
typename VT1,
typename VT2,
typename VT3 >
532 struct TDVecTDVecAddExprTrait< SVecDVecSubExpr<VT1,VT2,true>, VT3 >
537 typedef typename SelectType< IsSparseVector<VT1>::value && IsRowVector<VT1>::value &&
538 IsDenseVector<VT2>::value && IsRowVector<VT2>::value &&
539 IsDenseVector<VT3>::value && IsRowVector<VT3>::value
540 ,
typename TDVecTSVecAddExprTrait< typename TDVecTDVecSubExprTrait<VT3,VT2>::Type, VT1 >::Type
541 , INVALID_TYPE >::Type Type;
551 template<
typename VT1,
typename VT2,
typename VT3 >
552 struct DVecDVecSubExprTrait< SVecDVecSubExpr<VT1,VT2,false>, VT3 >
557 typedef typename SelectType< IsSparseVector<VT1>::value && IsColumnVector<VT1>::value &&
558 IsDenseVector<VT2>::value && IsColumnVector<VT2>::value &&
559 IsDenseVector<VT3>::value && IsColumnVector<VT3>::value
560 ,
typename SVecDVecSubExprTrait< VT1, typename DVecDVecAddExprTrait<VT2,VT3>::Type >::Type
561 , INVALID_TYPE >::Type Type;
571 template<
typename VT1,
typename VT2,
typename VT3 >
572 struct TDVecTDVecSubExprTrait< SVecDVecSubExpr<VT1,VT2,true>, VT3 >
577 typedef typename SelectType< IsSparseVector<VT1>::value && IsRowVector<VT1>::value &&
578 IsDenseVector<VT2>::value && IsRowVector<VT2>::value &&
579 IsDenseVector<VT3>::value && IsRowVector<VT3>::value
580 ,
typename TSVecTDVecSubExprTrait< VT1, typename TDVecTDVecAddExprTrait<VT2,VT3>::Type >::Type
581 , INVALID_TYPE >::Type Type;
591 template<
typename VT1,
typename VT2,
bool TF >
592 struct SubvectorExprTrait< SVecDVecSubExpr<VT1,VT2,TF> >
596 typedef typename SubExprTrait< typename SubvectorExprTrait<const VT1>::Type
597 ,
typename SubvectorExprTrait<const VT2>::Type >::Type Type;
SVecDVecSubExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecDVecSubExpr class.
Definition: SVecDVecSubExpr.h:150
Expression object for sparse vector-dense vector subtractions.The SVecDVecSubExpr class represents th...
Definition: Forward.h:109
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
Header file for the subtraction trait.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecSubExpr.h:219
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecDVecSubExpr.h:127
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecSubExpr.h:94
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecSubExpr.h:113
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2375
Header file for the IsRowVector type trait.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:248
Header file for the DenseVector base class.
Header file for the AddExprTrait class template.
Header file for the Computation base class.
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecSubExpr.h:130
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecSubExpr.h:120
Constraint on the data type.
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecSubExpr.h:93
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:250
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 IsTemporary 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
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecDVecSubExpr.h:119
const DenseIterator< Type > operator+(const DenseIterator< Type > &it, ptrdiff_t inc)
Addition between a DenseIterator and an integral value.
Definition: DenseIterator.h:556
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecDVecSubExpr.h:175
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: SVecDVecSubExpr.h:195
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: SVecDVecSubExpr.h:185
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecDVecSubExpr.h:124
#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:79
Constraint on the data type.
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecSubExpr.h:98
#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
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2372
Constraint on the data type.
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:103
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecSubExpr.h:97
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
Header file for the VecVecSubExpr base class.
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
LeftOperand lhs_
Left-hand side sparse vector of the subtraction expression.
Definition: SVecDVecSubExpr.h:226
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecSubExpr.h:164
VT1::ReturnType RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecSubExpr.h:95
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecSubExpr.h:96
Header file for the IsSparseVector type trait.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2374
Header file for run time assertion macros.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecSubExpr.h:207
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
const DenseIterator< Type > operator-(const DenseIterator< Type > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:585
SVecDVecSubExpr< VT1, VT2, TF > This
Type of this SVecDVecSubExpr instance.
Definition: SVecDVecSubExpr.h:118
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
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecDVecSubExpr.h:121
VT1::TransposeType TT1
Transpose type of the left-hand side sparse vector expression.
Definition: SVecDVecSubExpr.h:99
Header file for the IsDenseVector type trait.
VT2::TransposeType TT2
Transpose type of the right-hand side dense vector expression.
Definition: SVecDVecSubExpr.h:100
#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.
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
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecSubExpr.h:133
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2370
RightOperand rhs_
Right-hand side dense vector of the subtraction expression.
Definition: SVecDVecSubExpr.h:227
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
Base template for the SubTrait class.
Definition: SubTrait.h:141
Header file for the IsColumnVector type trait.
Header file for the SubExprTrait class template.
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.In case the given data type T is not a dense or sparse vector type and in...
Definition: TransposeFlag.h:238
#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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.