35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECTRANSPOSER_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECTRANSPOSER_H_
74 class SVecTransposer :
public SparseVector< SVecTransposer<VT,TF>, TF >
95 enum :
bool { smpAssignable = VT::smpAssignable };
127 inline ConstReference
at(
size_t index )
const {
128 if( index >=
sv_.size() ) {
131 return (*
this)[index];
150 inline ConstIterator
begin()
const {
180 inline ConstIterator
end()
const {
190 inline ConstIterator
cend()
const {
202 template<
typename Other >
219 template<
typename Other >
234 inline size_t size() const noexcept {
261 inline Iterator
insert(
size_t index,
const ElementType& value ) {
262 return sv_.insert( index, value );
279 inline Iterator
find(
size_t index ) {
280 return sv_.find( index );
294 sv_.reserve( nonzeros );
323 inline void append(
size_t index,
const ElementType& value,
bool check=
false ) {
324 sv_.append( index, value, check );
334 template<
typename Other >
335 inline bool canAlias(
const Other* alias )
const noexcept
337 return sv_.canAlias( alias );
347 template<
typename Other >
348 inline bool isAliased(
const Other* alias )
const noexcept
350 return sv_.isAliased( alias );
361 return sv_.canSMPAssign();
376 template<
typename VT2 >
383 size_t nonzeros( 0UL );
385 for(
size_t i=0UL; i<
sv_.size(); ++i ) {
387 if( nonzeros++ ==
sv_.capacity() )
389 sv_.append( i, (~rhs)[i] );
406 template<
typename VT2 >
420 sv_.append( element->index(), element->value() );
438 size_t nonzeros( 2UL*
sv_.capacity()+1UL );
439 nonzeros =
max( nonzeros, 7UL );
440 nonzeros =
min( nonzeros,
sv_.size() );
479 template<
typename VT
499 template<
typename VT,
bool TF >
500 struct SubvectorTrait< SVecTransposer<VT,TF> >
502 using Type = SubvectorTrait_< ResultType_< SVecTransposer<VT,TF> > >;
Constraint on the data type.
Iterator find(size_t index)
Inserting an element into the sparse vector.
Definition: SVecTransposer.h:279
Header file for auxiliary alias declarations.
Header file for mathematical functions.
#define BLAZE_USER_ASSERT(expr, msg)
Run time assertion macro for user checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_USER_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERT flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:117
Header file for basic type definitions.
Header file for the SparseVector base class.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecTransposer.h:234
#define BLAZE_CONSTRAINT_MUST_NOT_BE_COMPUTATION_TYPE(T)
Constraint on the data type.In case the given data type T is a computational expression (i...
Definition: Computation.h:81
Iterator_< VT > Iterator
Iterator over non-constant elements.
Definition: SVecTransposer.h:86
const This & CompositeType
Data type for composite expression templates.
Definition: SVecTransposer.h:83
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:533
ConstReference at(size_t index) const
Checked access to the vector elements.
Definition: SVecTransposer.h:127
const ElementType_< MT > min(const DenseMatrix< MT, SO > &dm)
Returns the smallest element of the dense matrix.
Definition: DenseMatrix.h:1669
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:323
const ElementType_< MT > max(const DenseMatrix< MT, SO > &dm)
Returns the largest element of the dense matrix.
Definition: DenseMatrix.h:1716
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:573
ElementType_< VT > ElementType
Resulting element type.
Definition: SVecTransposer.h:81
ConstReference operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecTransposer.h:114
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:343
TransposeType_< VT > ResultType
Result type for expression template evaluations.
Definition: SVecTransposer.h:79
void append(size_t index, const ElementType &value, bool check=false)
Appending an element to the sparse vector.
Definition: SVecTransposer.h:323
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#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
ConstReference_< VT > ConstReference
Reference to a constant matrix value.
Definition: SVecTransposer.h:85
Header file for the subvector trait.
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
Expression object for the transposition of a sparse vector.The SVecTransposer class is a wrapper obje...
Definition: Forward.h:126
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
#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
Constraint on the data type.
ConstIterator cend() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecTransposer.h:190
size_t extendCapacity() const noexcept
Calculating a new vector capacity.
Definition: SVecTransposer.h:433
Header file for the exception macros of the math module.
SVecTransposer< VT, TF > This
Type of this SVecTransposer instance.
Definition: SVecTransposer.h:78
Constraint on the data type.
ConstIterator cbegin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecTransposer.h:160
void reset()
Resets the vector elements.
Definition: SVecTransposer.h:244
EnableIf_< IsNumeric< Other >, SVecTransposer > & operator*=(Other rhs)
Multiplication assignment operator for the multiplication between a vector and a scalar value ( )...
Definition: SVecTransposer.h:203
typename T::Reference Reference_
Alias declaration for nested Reference type definitions.The Reference_ alias declaration provides a c...
Definition: Aliases.h:283
Header file for the EnableIf class template.
void reserve(size_t nonzeros)
Setting the minimum capacity of the sparse vector.
Definition: SVecTransposer.h:293
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecTransposer.h:150
void assign(const SparseVector< VT2, TF > &rhs)
Implementation of the transpose assignment of a sparse vector.
Definition: SVecTransposer.h:407
Header file for the IsNumeric type trait.
Header file for run time assertion macros.
void assign(const DenseVector< VT2, TF > &rhs)
Implementation of the transpose assignment of a dense vector.
Definition: SVecTransposer.h:377
bool isAliased(const Other *alias) const noexcept
Returns whether the vector is aliased with the given address alias.
Definition: SVecTransposer.h:348
Reference_< VT > Reference
Reference to a non-constant matrix value.
Definition: SVecTransposer.h:84
Iterator end()
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecTransposer.h:170
Header file for the isDefault shim.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:223
typename T::Iterator Iterator_
Alias declaration for nested Iterator type definitions.The Iterator_ alias declaration provides a con...
Definition: Aliases.h:183
typename T::ConstReference ConstReference_
Alias declaration for nested ConstReference type definitions.The ConstReference_ alias declaration pr...
Definition: Aliases.h:143
EnableIf_< IsNumeric< Other >, SVecTransposer > & operator/=(Other rhs)
Division assignment operator for the division of a vector by a scalar value ( ).
Definition: SVecTransposer.h:220
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
VT & sv_
The sparse vector operand.
Definition: SVecTransposer.h:449
bool canAlias(const Other *alias) const noexcept
Returns whether the vector can alias with the given address alias.
Definition: SVecTransposer.h:335
ConstIterator_< VT > ConstIterator
Iterator over constant elements.
Definition: SVecTransposer.h:87
Iterator begin()
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecTransposer.h:140
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:110
Iterator insert(size_t index, const ElementType &value)
Inserting an element into the sparse vector.
Definition: SVecTransposer.h:261
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecTransposer.h:180
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:403
ResultType_< VT > TransposeType
Transpose type for expression template evaluations.
Definition: SVecTransposer.h:80
#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:63
#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
SVecTransposer(VT &sv) noexcept
Constructor for the SVecTransposer class.
Definition: SVecTransposer.h:103
bool canSMPAssign() const noexcept
Returns whether the vector can be used in SMP assignments.
Definition: SVecTransposer.h:359
ReturnType_< VT > ReturnType
Return type for expression template evaluations.
Definition: SVecTransposer.h:82