35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECKRONEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECKRONEXPR_H_ 84 template<
typename VT1
88 :
public VecVecKronExpr< DenseVector< DVecDVecKronExpr<VT1,VT2,TF>, TF > >
110 static constexpr
bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
177 if( index >=
lhs_.size() ) {
180 return (*
this)[index];
189 inline size_t size() const noexcept {
220 template<
typename T >
221 inline bool canAlias(
const T* alias )
const noexcept {
222 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
232 template<
typename T >
233 inline bool isAliased(
const T* alias )
const noexcept {
234 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
244 return rhs_.isAligned();
276 template<
typename VT >
283 if( rhs.
size() == 0UL ) {
290 const size_t N( y.size() );
292 for(
size_t i=0UL; i<x.size(); ++i ) {
294 for(
size_t j=0UL; j<N; ++j )
295 (~lhs)[i*N+j] = x[i] * y[j];
298 for(
size_t j=0UL; j<N; ++j )
299 reset( (~lhs)[i*N+j] );
318 template<
typename VT >
347 template<
typename VT >
348 friend inline void addAssign( DenseVector<VT,TF>& lhs,
const DVecDVecKronExpr& rhs )
354 if( rhs.size() == 0UL ) {
361 const size_t N( y.size() );
363 for(
size_t i=0UL; i<x.size(); ++i ) {
365 for(
size_t j=0UL; j<N; ++j )
366 (~lhs)[i*N+j] += x[i] * y[j];
390 template<
typename VT >
391 friend inline void subAssign( DenseVector<VT,TF>& lhs,
const DVecDVecKronExpr& rhs )
397 if( rhs.size() == 0UL ) {
404 const size_t N( y.size() );
406 for(
size_t i=0UL; i<x.size(); ++i ) {
408 for(
size_t j=0UL; j<N; ++j )
409 (~lhs)[i*N+j] -= x[i] * y[j];
433 template<
typename VT >
434 friend inline void multAssign( DenseVector<VT,TF>& lhs,
const DVecDVecKronExpr& rhs )
440 if( rhs.size() == 0UL ) {
447 const size_t N( y.size() );
449 for(
size_t i=0UL; i<x.size(); ++i ) {
451 for(
size_t j=0UL; j<N; ++j )
452 (~lhs)[i*N+j] *= x[i] * y[j];
455 for(
size_t j=0UL; j<N; ++j )
456 reset( (~lhs)[i*N+j] );
479 template<
typename VT >
480 friend inline void divAssign( DenseVector<VT,TF>& lhs,
const DVecDVecKronExpr& rhs )
486 if( rhs.size() == 0UL ) {
493 const size_t N( y.size() );
495 for(
size_t i=0UL; i<x.size(); ++i ) {
497 for(
size_t j=0UL; j<N; ++j )
498 (~lhs)[i*N+j] /= x[i] * y[j];
551 template<
typename VT1
554 inline decltype(
auto)
560 return ReturnType( ~lhs, ~rhs );
Header file for auxiliary alias declarations.
Header file for the alignment flag values.
Header file for basic type definitions.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias template for the If class template.The If_t alias template provides a convenient shor...
Definition: If.h:109
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecDVecKronExpr.h:142
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecKronExpr.h:243
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:595
Header file for the DenseVector base class.
Header file for the MAYBE_UNUSED function template.
Constraint on the data type.
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:93
Header file for the Computation base class.
decltype(std::declval< RN1 >()+std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecKronExpr.h:113
Header file for the reset shim.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecKronExpr.h:163
decltype(auto) kron(const DenseMatrix< MT1, SO1 > &lhs, const DenseMatrix< MT2, SO2 > &rhs)
Computes the Kronecker product of two dense matrices ( ).
Definition: DMatDMatKronExpr.h:954
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DVecDVecKronExpr.h:122
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecKronExpr.h:125
ElementType_t< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:100
RightOperand rhs_
Right-hand side dense vector of the Kronecker product expression.
Definition: DVecDVecKronExpr.h:261
KronTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecKronExpr.h:120
Header file for the IsTemporary type trait class.
Base class for all vector/vector Kronecker expression templates.The VecVecKronExpr class serves as a ...
Definition: VecVecKronExpr.h:67
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecDVecKronExpr.h:139
Header file for the If class template.
ReturnType_t< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:95
typename KronTrait< T1, T2 >::Type KronTrait_t
Auxiliary alias declaration for the KronTrait class template.The KronTrait_t alias declaration provid...
Definition: KronTrait.h:163
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecKronExpr.h:189
#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
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecKronExpr.h:121
const ResultType CompositeType
Data type for composite expression templates.
Definition: DVecDVecKronExpr.h:128
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
Header file for the VecVecKronExpr base class.
ElementType_t< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:99
Constraint on the data type.
Header file for the Kron product trait.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecKronExpr.h:233
Constraint on the data type.
Header file for the exception macros of the math module.
Constraint on the data type.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecKronExpr.h:221
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecKronExpr.h:253
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecDVecKronExpr.h:199
LeftOperand lhs_
Left-hand side dense vector of the Kronecker product expression.
Definition: DVecDVecKronExpr.h:260
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
Header file for the Unique class template.
ReturnType_t< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:96
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:97
CompositeType_t< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:98
#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 all forward declarations for expression class templates.
Header file for the isDefault shim.
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
#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
ResultType_t< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:94
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecKronExpr.h:209
#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:61
If_t< IsExpression_v< VT2 >, const VT2, const VT2 & > RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:134
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECKRONEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecKronExpr.h:102
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:146
Expression object for dense vector-dense vector Kronecker product.The DVecDVecKronExpr class represen...
Definition: DVecDVecKronExpr.h:87
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:635
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DVecDVecKronExpr.h:110
DVecDVecKronExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecKronExpr class.
Definition: DVecDVecKronExpr.h:151
If_t< IsExpression_v< VT1 >, const VT1, const VT1 & > LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecKronExpr.h:131
#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,...
Definition: Assert.h:101
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecKronExpr.h:176