Expression object for sparse vector-dense vector outer products.
More...
#include <SVecDVecOuterExpr.h>
Inherits blaze::VecTVecMultExpr< SparseMatrix< SVecDVecOuterExpr< VT1, VT2 >, true > >, and blaze::Computation.
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class | ConstIterator |
| Iterator over the elements of the sparse vector-dense vector outer product expression. More...
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using | This = SVecDVecOuterExpr< VT1, VT2 > |
| Type of this SVecDVecOuterExpr instance.
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using | BaseType = VecTVecMultExpr< SparseMatrix< This, true > > |
| Base type of this SVecDVecOuterExpr instance.
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using | ResultType = MultTrait_t< RT1, RT2 > |
| Result type for expression template evaluations.
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using | OppositeType = OppositeType_t< ResultType > |
| Result type with opposite storage order for expression template evaluations.
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using | TransposeType = TransposeType_t< ResultType > |
| Transpose type for expression template evaluations.
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using | ElementType = ElementType_t< ResultType > |
| Resulting element type.
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using | ReturnType = const If_t< returnExpr, ExprReturnType, ElementType > |
| Return type for expression template evaluations.
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using | CompositeType = If_t< useAssign, const ResultType, const SVecDVecOuterExpr & > |
| Data type for composite expression templates.
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using | LeftOperand = If_t< IsExpression_v< VT1 >, const VT1, const VT1 & > |
| Composite type of the left-hand side sparse vector expression.
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using | RightOperand = If_t< IsExpression_v< VT2 >, const VT2, const VT2 & > |
| Composite type of the right-hand side dense vector expression.
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using | LT = If_t< IsComputation_v< VT1 >, const RT1, CT1 > |
| Type for the assignment of the left-hand side dense vector operand.
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using | RT = If_t< IsComputation_v< VT2 >, const RT2, CT2 > |
| Type for the assignment of the right-hand side dense vector operand.
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using | MatrixType = SVecDVecOuterExpr< VT1, VT2 > |
| Type of the matrix.
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| SVecDVecOuterExpr (const VT1 &lhs, const VT2 &rhs) noexcept |
| Constructor for the SVecDVecOuterExpr class. More...
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ReturnType | operator() (size_t i, size_t j) const |
| 2D-access to the matrix elements. More...
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ReturnType | at (size_t i, size_t j) const |
| Checked access to the matrix elements. More...
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ConstIterator | begin (size_t i) const |
| Returns an iterator to the first non-zero element of column i. More...
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ConstIterator | end (size_t i) const |
| Returns an iterator just past the last non-zero element of column i. More...
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size_t | rows () const noexcept |
| Returns the current number of rows of the matrix. More...
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size_t | columns () const noexcept |
| Returns the current number of columns of the matrix. More...
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size_t | nonZeros () const |
| Returns the number of non-zero elements in the sparse matrix. More...
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size_t | nonZeros (size_t i) const |
| Returns the number of non-zero elements in the specified column. More...
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ConstIterator | find (size_t i, size_t j) const |
| Searches for a specific matrix element. More...
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ConstIterator | lowerBound (size_t i, size_t j) const |
| Returns an iterator to the first index not less then the given index. More...
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ConstIterator | upperBound (size_t i, size_t j) const |
| Returns an iterator to the first index greater then the given index. More...
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LeftOperand | leftOperand () const noexcept |
| Returns the left-hand side sparse vector operand. More...
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RightOperand | rightOperand () const noexcept |
| Returns the right-hand side dense vector operand. More...
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template<typename T > |
bool | canAlias (const T *alias) const noexcept |
| Returns whether the expression can alias with the given address alias. More...
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template<typename T > |
bool | isAliased (const T *alias) const noexcept |
| Returns whether the expression is aliased with the given address alias. More...
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BLAZE_ALWAYS_INLINE constexpr SVecDVecOuterExpr< VT1, VT2 > & | operator~ () noexcept |
| CRTP-based conversion operation for non-constant matrices. More...
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BLAZE_ALWAYS_INLINE constexpr const SVecDVecOuterExpr< VT1, VT2 > & | operator~ () const noexcept |
| CRTP-based conversion operation for constant matrices. More...
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constexpr SVecDVecOuterExpr< VT1, VT2 > & | operator* () noexcept |
| CRTP-based conversion operation for non-constant matrices. More...
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constexpr const SVecDVecOuterExpr< VT1, VT2 > & | operator* () const noexcept |
| CRTP-based conversion operation for constant matrices. More...
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static constexpr bool | smpAssignable = false |
| Compilation switch for the expression template assignment strategy.
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static constexpr size_t | SIMDSIZE = SIMDTrait<ElementType>::size |
| The number of elements packed within a single SIMD element.
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static constexpr bool | storageOrder |
| Storage order of the matrix.
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using | RT1 = ResultType_t< VT1 > |
| Result type of the left-hand side sparse vector expression.
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using | RT2 = ResultType_t< VT2 > |
| Result type of the right-hand side dense vector expression.
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using | RN1 = ReturnType_t< VT1 > |
| Return type of the left-hand side sparse vector expression.
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using | RN2 = ReturnType_t< VT2 > |
| Return type of the right-hand side dense vector expression.
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using | CT1 = CompositeType_t< VT1 > |
| Composite type of the left-hand side sparse vector expression.
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using | CT2 = CompositeType_t< VT2 > |
| Composite type of the right-hand side dense vector expression.
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using | ET1 = ElementType_t< VT1 > |
| Element type of the left-hand side sparse vector expression.
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using | ET2 = ElementType_t< VT2 > |
| Element type of the right-hand side dense vector expression.
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using | ExprReturnType = decltype(std::declval< RN1 >() *std::declval< RN2 >()) |
| Expression return type for the subscript operator.
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LeftOperand | lhs_ |
| Left-hand side sparse vector of the multiplication expression.
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RightOperand | rhs_ |
| Right-hand side dense vector of the multiplication expression.
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static constexpr bool | returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> ) |
| Compilation switch for the selection of the subscript operator return type. More...
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static constexpr bool | useAssign = ( IsComputation_v<VT1> || IsComputation_v<VT2> ) |
| Compilation switch for the evaluation strategy of the multiplication expression. More...
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template<typename VT1, typename VT2>
class blaze::SVecDVecOuterExpr< VT1, VT2 >
Expression object for sparse vector-dense vector outer products.
The SVecDVecOuterExpr class represents the compile time expression for sparse vector-dense vector outer products.
◆ SVecDVecOuterExpr()
template<typename VT1 , typename VT2 >
Constructor for the SVecDVecOuterExpr class.
- Parameters
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lhs | The left-hand side sparse vector operand of the multiplication expression. |
rhs | The right-hand side dense vector operand of the multiplication expression. |
◆ at()
template<typename VT1 , typename VT2 >
Checked access to the matrix elements.
- Parameters
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i | Access index for the row. The index has to be in the range . |
j | Access index for the column. The index has to be in the range . |
- Returns
- The resulting value.
- Exceptions
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std::out_of_range | Invalid matrix access index. |
◆ begin()
template<typename VT1 , typename VT2 >
Returns an iterator to the first non-zero element of column i.
- Parameters
-
- Returns
- Iterator to the first non-zero element of column i.
◆ canAlias()
template<typename VT1 , typename VT2 >
template<typename T >
Returns whether the expression can alias with the given address alias.
- Parameters
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alias | The alias to be checked. |
- Returns
- true in case the expression can alias, false otherwise.
◆ columns()
template<typename VT1 , typename VT2 >
Returns the current number of columns of the matrix.
- Returns
- The number of columns of the matrix.
◆ end()
template<typename VT1 , typename VT2 >
Returns an iterator just past the last non-zero element of column i.
- Parameters
-
- Returns
- Iterator just past the last non-zero element of column i.
◆ find()
template<typename VT1 , typename VT2 >
Searches for a specific matrix element.
- Parameters
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i | The row index of the search element. |
j | The column index of the search element. |
- Returns
- Iterator to the element in case the index is found, end() iterator otherwise.
◆ isAliased()
template<typename VT1 , typename VT2 >
template<typename T >
Returns whether the expression is aliased with the given address alias.
- Parameters
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alias | The alias to be checked. |
- Returns
- true in case an alias effect is detected, false otherwise.
◆ leftOperand()
template<typename VT1 , typename VT2 >
Returns the left-hand side sparse vector operand.
- Returns
- The left-hand side sparse vector operand.
◆ lowerBound()
template<typename VT1 , typename VT2 >
Returns an iterator to the first index not less then the given index.
- Parameters
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i | The row index of the search element. |
j | The column index of the search element. |
- Returns
- Iterator to the first index not less then the given index, end() iterator otherwise.
◆ nonZeros() [1/2]
template<typename VT1 , typename VT2 >
Returns the number of non-zero elements in the sparse matrix.
- Returns
- The number of non-zero elements in the sparse matrix.
◆ nonZeros() [2/2]
template<typename VT1 , typename VT2 >
Returns the number of non-zero elements in the specified column.
- Parameters
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i | The index of the column. |
- Returns
- The number of non-zero elements of column i.
◆ operator()()
template<typename VT1 , typename VT2 >
2D-access to the matrix elements.
- Parameters
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i | Access index for the row. The index has to be in the range . |
j | Access index for the column. The index has to be in the range . |
- Returns
- The resulting value.
◆ operator*() [1/2]
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constexprnoexceptinherited |
CRTP-based conversion operation for constant matrices.
- Returns
- Constant reference of the actual type of the matrix.
This operator performs the CRTP-based type-safe downcast to the actual type MT of the matrix. It will return a constant reference to the actual type MT.
◆ operator*() [2/2]
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constexprnoexceptinherited |
CRTP-based conversion operation for non-constant matrices.
- Returns
- Mutable reference of the actual type of the matrix.
This operator performs the CRTP-based type-safe downcast to the actual type MT of the matrix. It will return a mutable reference to the actual type MT.
◆ operator~() [1/2]
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constexprnoexceptinherited |
CRTP-based conversion operation for constant matrices.
- Parameters
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matrix | The matrix to be downcast. |
- Returns
- Constant reference of the actual type of the matrix.
This operator performs the CRTP-based type-safe downcast to the actual type MT of the matrix. It will return a constant reference to the actual type MT.
◆ operator~() [2/2]
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constexprnoexceptinherited |
CRTP-based conversion operation for non-constant matrices.
- Parameters
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matrix | The matrix to be downcast. |
- Returns
- Mutable reference of the actual type of the matrix.
This operator performs the CRTP-based type-safe downcast to the actual type MT of the matrix. It will return a mutable reference to the actual type MT.
◆ rightOperand()
template<typename VT1 , typename VT2 >
Returns the right-hand side dense vector operand.
- Returns
- The right-hand side dense vector operand.
◆ rows()
template<typename VT1 , typename VT2 >
Returns the current number of rows of the matrix.
- Returns
- The number of rows of the matrix.
◆ upperBound()
template<typename VT1 , typename VT2 >
Returns an iterator to the first index greater then the given index.
- Parameters
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i | The row index of the search element. |
j | The column index of the search element. |
- Returns
- Iterator to the first index greater then the given index, end() iterator otherwise.
◆ returnExpr
template<typename VT1 , typename VT2 >
Compilation switch for the selection of the subscript operator return type.
The returnExpr compile time constant expression is a compilation switch for the selection of the ReturnType. If either vector operand returns a temporary vector or matrix, returnExpr will be set to false and the subscript operator will return it's result by value. Otherwise returnExpr will be set to true and the subscript operator may return it's result as an expression.
◆ useAssign
template<typename VT1 , typename VT2 >
Compilation switch for the evaluation strategy of the multiplication expression.
The useAssign compile time constant expression represents a compilation switch for the evaluation strategy of the multiplication expression. In case either the sparse or the dense vector operand is a computational expression, useAssign will be set to true and the multiplication expression will be evaluated via the assign function family. Otherwise useAssign will be set to false and the expression will be evaluated via the subscript operator.
The documentation for this class was generated from the following files: