35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECSVECSUBEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SVECSVECSUBEXPR_H_ 88 template<
typename VT1
92 :
public VecVecSubExpr< SparseVector< SVecSVecSubExpr<VT1,VT2,TF>, TF > >
125 template<
typename VT >
126 struct UseSMPAssign {
127 enum :
bool { value = VT::smpAssignable };
154 enum :
bool { smpAssignable =
false };
188 if( index >=
lhs_.size() ) {
191 return (*
this)[index];
200 inline size_t size() const noexcept {
241 template<
typename T >
242 inline bool canAlias(
const T* alias )
const noexcept {
243 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
253 template<
typename T >
254 inline bool isAliased(
const T* alias )
const noexcept {
255 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
278 template<
typename VT >
296 const LeftIterator lend( x.end() );
297 const RightIterator rend( y.end() );
299 for( LeftIterator l=x.begin(); l!=lend; ++l ) {
300 (~lhs)[l->index()] = l->value();
303 for( RightIterator r=y.begin(); r!=rend; ++r ) {
305 (~lhs)[r->index()] = -r->value();
307 (~lhs)[r->index()] -= r->value();
326 template<
typename VT >
344 const LeftIterator lend( x.end() );
345 const RightIterator rend( y.end() );
347 for( LeftIterator l=x.begin(); l!=lend; ++l ) {
348 (~lhs)[l->index()] = l->value();
351 for( RightIterator r=y.begin(); r!=rend; ++r ) {
352 (~lhs)[r->index()] -= r->value();
370 template<
typename VT >
387 const LeftIterator lend( x.end() );
388 const RightIterator rend( y.end() );
390 LeftIterator l( x.begin() );
391 RightIterator r( y.begin() );
393 while( l != lend && r != rend )
395 if( l->index() < r->index() ) {
396 (~lhs).append( l->index(), l->value() );
399 else if( l->index() > r->index() ) {
400 (~lhs).append( r->index(), -r->value() );
404 (~lhs).append( l->index(), l->value() - r->value() );
411 (~lhs).append( l->index(), l->value() );
416 (~lhs).append( r->index(), -r->value() );
435 template<
typename VT >
442 addAssign( ~lhs, rhs.lhs_ );
443 subAssign( ~lhs, rhs.rhs_ );
464 template<
typename VT >
471 subAssign( ~lhs, rhs.lhs_ );
472 addAssign( ~lhs, rhs.rhs_ );
493 template<
typename VT >
505 multAssign( ~lhs, tmp );
536 template<
typename VT >
569 template<
typename VT >
602 template<
typename VT >
669 template<
typename VT1
672 inline decltype(
auto)
677 if( (~lhs).
size() != (~rhs).
size() ) {
697 template<
typename VT1,
typename VT2,
bool TF >
698 struct Size< SVecSVecSubExpr<VT1,VT2,TF> >
699 :
public Maximum< Size<VT1>, Size<VT2> >
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SVecSVecSubExpr.h:137
#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.
Headerfile for the generic min algorithm.
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
Header file for the subtraction trait.
Header file for basic type definitions.
Header file for the SparseVector base class.
SubTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecSVecSubExpr.h:135
CompositeType_< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:101
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecSVecSubExpr.h:210
SVecSVecSubExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecSVecSubExpr class.
Definition: SVecSVecSubExpr.h:160
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:164
Header file for the serial shim.
LeftOperand lhs_
Left-hand side sparse vector of the subtraction expression.
Definition: SVecSVecSubExpr.h:261
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecSVecSubExpr.h:220
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 canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecSVecSubExpr.h:242
typename DisableIf< Condition, T >::Type DisableIf_
Auxiliary type for the DisableIf class template.The DisableIf_ alias declaration provides a convenien...
Definition: DisableIf.h:224
const ElementType_< MT > min(const DenseMatrix< MT, SO > &dm)
Returns the smallest element of the dense matrix.
Definition: DenseMatrix.h:1762
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecSVecSubExpr.h:136
ReturnType_< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:99
Header file for the Computation base class.
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecSVecSubExpr.h:143
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
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:133
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
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecSVecSubExpr.h:254
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:149
typename SubExprTrait< T1, T2 >::Type SubExprTrait_
Auxiliary alias declaration for the SubExprTrait class template.The SubExprTrait_ alias declaration p...
Definition: SubExprTrait.h:112
Header file for the Maximum class template.
ResultType_< VT2 > RT2
Result type of the right-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:98
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecSVecSubExpr.h:174
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
ResultType_< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:97
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecSVecSubExpr.h:200
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
Expression object for sparse vector-sparse vector subtractions.The SVecSVecSubExpr class represents t...
Definition: Forward.h:145
CompositeType_< VT2 > CT2
Composite type of the right-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:102
#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
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
SubExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: SVecSVecSubExpr.h:115
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.
Header file for the exception macros of the math module.
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecSVecSubExpr.h:140
Header file for the VecVecSubExpr base class.
Constraint on the data type.
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 run time assertion macros.
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: SVecSVecSubExpr.h:230
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:154
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Header file for the isDefault shim.
ReturnType_< VT2 > RN2
Return type of the right-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:100
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:819
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
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:224
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecSVecSubExpr.h:146
Constraint on the data type.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3082
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECSUBEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecSubExpr.h:108
Header file for the IsComputation type trait class.
typename SubTrait< T1, T2 >::Type SubTrait_
Auxiliary alias declaration for the SubTrait class template.The SubTrait_ alias declaration provides ...
Definition: SubTrait.h:250
RightOperand rhs_
Right-hand side sparse vector of the subtraction expression.
Definition: SVecSVecSubExpr.h:262
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:600
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecSVecSubExpr.h:187
Header file for the IsResizable type trait.
Header file for the SubExprTrait class template.
Header file for the Size type trait.
#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
Header file for the IsExpression type trait class.
Header file for the function trace functionality.