35#ifndef _BLAZE_MATH_EXPRESSIONS_SVECREPEATEXPR_H_
36#define _BLAZE_MATH_EXPRESSIONS_SVECREPEATEXPR_H_
82 :
public VecRepeatExpr< SparseVector< SVecRepeatExpr<VT,TF,CRAs...>, TF >, CRAs... >
83 ,
private If_t< IsComputation_v<VT>, Computation, Transformation >
121 template<
typename... RRAs >
136 return sv_[index%
sv_.size()];
148 if( index >=
size() ) {
151 return (*
this)[index];
160 inline size_t size() const noexcept {
161 return sv_.size() * this->
template repetitions<0UL>();
171 return sv_.nonZeros() * this->
template repetitions<0UL>();
186 using DataType::repetitions;
195 template<
typename T >
196 inline bool canAlias(
const T* alias )
const noexcept {
197 return IsExpression_v<VT> &&
sv_.canAlias( alias );
207 template<
typename T >
208 inline bool isAliased(
const T* alias )
const noexcept {
209 return sv_.isAliased( alias );
240 template<
typename VT2 >
249 const size_t reps( rhs.template repetitions<0UL>() );
250 const size_t size( x.size() );
252 for(
size_t rep=0UL; rep<reps; ++rep ) {
271 template<
typename VT2 >
280 const size_t reps( rhs.template repetitions<0UL>() );
281 const size_t size( x.size() );
283 (*lhs).reserve( reps*
size );
285 for(
size_t rep=0UL; rep<reps; ++rep ) {
286 for(
auto element=x.begin(); element!=x.end(); ++element ) {
287 (*lhs).append( rep*
size+element->index(), element->value(),
true );
306 template<
typename VT2 >
307 friend inline void addAssign( DenseVector<VT2,TF>& lhs,
const SVecRepeatExpr& rhs )
313 CompositeType_t<VT> x(
serial( rhs.sv_ ) );
315 const size_t reps( rhs.template repetitions<0UL>() );
316 const size_t size( x.size() );
318 for(
size_t rep=0UL; rep<reps; ++rep ) {
341 template<
typename VT2 >
342 friend inline void subAssign( DenseVector<VT2,TF>& lhs,
const SVecRepeatExpr& rhs )
348 CompositeType_t<VT> x(
serial( rhs.sv_ ) );
350 const size_t reps( rhs.template repetitions<0UL>() );
351 const size_t size( x.size() );
353 for(
size_t rep=0UL; rep<reps; ++rep ) {
376 template<
typename VT2 >
377 friend inline void multAssign( DenseVector<VT2,TF>& lhs,
const SVecRepeatExpr& rhs )
383 CompositeType_t<VT> x(
serial( rhs.sv_ ) );
385 const size_t reps( rhs.template repetitions<0UL>() );
386 const size_t size( x.size() );
388 for(
size_t rep=0UL; rep<reps; ++rep ) {
450 return ReturnType( *sv, repetitions );
488 return ReturnType( *sv );
508inline decltype(
auto)
repeat(
const SparseVector<VT,TF>& sv,
size_t repetitions )
514 using ReturnType =
const SVecRepeatExpr<VT,TF,R0>;
515 return ReturnType( *sv );
Header file for auxiliary alias declarations.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.
Definition: Aliases.h:110
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.
Definition: Aliases.h:470
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.
Definition: Aliases.h:190
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.
Definition: Aliases.h:550
Header file for the blaze::checked and blaze::unchecked instances.
Header file for the function trace functionality.
Header file for the If class template.
Header file for the IsExpression type trait class.
Header file for the implementation of the RepeatExprData class template.
Header file for the repeat trait.
Base class for N-dimensional dense vectors.
Definition: DenseVector.h:77
Auxiliary class template for the data members of repeater expression classes.
Definition: RepeatExprData.h:65
Expression object for the sparse vector repeat() function.
Definition: SVecRepeatExpr.h:85
Operand operand() const noexcept
Returns the sparse vector operand.
Definition: SVecRepeatExpr.h:180
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SVecRepeatExpr.h:218
RepeatTrait_t< VT, CRAs... > ResultType
Result type for expression template evaluations.
Definition: SVecRepeatExpr.h:99
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecRepeatExpr.h:170
RepeatExprData< 1UL, CRAs... > DataType
The type of the RepeatExprData base class.
Definition: SVecRepeatExpr.h:88
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecRepeatExpr.h:196
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecRepeatExpr.h:147
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SVecRepeatExpr.h:112
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecRepeatExpr.h:103
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecRepeatExpr.h:208
Operand sv_
Sparse vector of the repeater expression.
Definition: SVecRepeatExpr.h:225
ElementType_t< VT > ElementType
Resulting element type.
Definition: SVecRepeatExpr.h:101
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecRepeatExpr.h:160
ReturnType_t< VT > ReturnType
Return type for expression template evaluations.
Definition: SVecRepeatExpr.h:102
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecRepeatExpr.h:100
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecRepeatExpr.h:134
SVecRepeatExpr(const VT &sv, RRAs... args) noexcept
Constructor for the SVecRepeatExpr class.
Definition: SVecRepeatExpr.h:122
If_t< IsExpression_v< VT >, const VT, const VT & > Operand
Composite data type of the sparse vector expression.
Definition: SVecRepeatExpr.h:106
Base class for sparse vectors.
Definition: SparseVector.h:72
Constraint on the data type.
Header file for the Computation base class.
Header file for the SparseVector base class.
Header file for the VecRepeatExpr base class.
decltype(auto) repeat(const DenseMatrix< MT, SO > &dm, size_t m, size_t n)
Repeats the given dense matrix.
Definition: DMatRepeatExpr.h:543
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:812
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.
Definition: TransposeFlag.h:63
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.
Definition: SparseVector.h:61
typename RepeatTrait< T, CRAs... >::Type RepeatTrait_t
Auxiliary alias declaration for the RepeatTrait type trait.
Definition: RepeatTrait.h:151
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101
decltype(auto) subvector(Vector< VT, TF > &, RSAs...)
Creating a view on a specific subvector of the given vector.
Definition: Subvector.h:158
constexpr void MAYBE_UNUSED(const Args &...)
Suppression of unused parameter warnings.
Definition: MaybeUnused.h:81
typename If< Condition >::template Type< T1, T2 > If_t
Auxiliary alias template for the If class template.
Definition: If.h:108
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.
Definition: Exception.h:331
#define BLAZE_FUNCTION_TRACE
Function trace macro.
Definition: FunctionTrace.h:94
constexpr Unchecked unchecked
Global Unchecked instance.
Definition: Check.h:146
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 serial shim.
Base class for all vector repeater expression templates.
Definition: VecRepeatExpr.h:69
Header file for basic type definitions.
Subvector specialization for dense vectors.