35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECCROSSEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECCROSSEXPR_H_ 87 template<
typename VT1
90 class SVecDVecCrossExpr
91 :
public CrossExpr< DenseVector< SVecDVecCrossExpr<VT1,VT2,TF>, TF > >
113 static constexpr
bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
116 using ExprReturnType = decltype( ( std::declval<RN1>() * std::declval<RN2>() ) -
117 ( std::declval<RN1>() * std::declval<RN2>() ) );
181 else if( index == 1UL )
199 return (*
this)[index];
208 inline constexpr
size_t size() const noexcept {
239 template<
typename T >
240 inline bool canAlias(
const T* alias )
const noexcept {
241 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
251 template<
typename T >
252 inline bool isAliased(
const T* alias )
const noexcept {
253 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
275 template<
typename VT >
286 (~lhs)[0] = x[1UL]*y[2UL] - x[2UL]*y[1UL];
287 (~lhs)[1] = x[2UL]*y[0UL] - x[0UL]*y[2UL];
288 (~lhs)[2] = x[0UL]*y[1UL] - x[1UL]*y[0UL];
305 template<
typename VT >
335 template<
typename VT >
336 friend inline void addAssign( DenseVector<VT,TF>& lhs,
const SVecDVecCrossExpr& rhs )
346 (~lhs)[0] += x[1UL]*y[2UL] - x[2UL]*y[1UL];
347 (~lhs)[1] += x[2UL]*y[0UL] - x[0UL]*y[2UL];
348 (~lhs)[2] += x[0UL]*y[1UL] - x[1UL]*y[0UL];
369 template<
typename VT >
370 friend inline void subAssign( DenseVector<VT,TF>& lhs,
const SVecDVecCrossExpr& rhs )
380 (~lhs)[0] -= x[1UL]*y[2UL] - x[2UL]*y[1UL];
381 (~lhs)[1] -= x[2UL]*y[0UL] - x[0UL]*y[2UL];
382 (~lhs)[2] -= x[0UL]*y[1UL] - x[1UL]*y[0UL];
403 template<
typename VT >
404 friend inline void multAssign( DenseVector<VT,TF>& lhs,
const SVecDVecCrossExpr& rhs )
414 (~lhs)[0] *= x[1UL]*y[2UL] - x[2UL]*y[1UL];
415 (~lhs)[1] *= x[2UL]*y[0UL] - x[0UL]*y[2UL];
416 (~lhs)[2] *= x[0UL]*y[1UL] - x[1UL]*y[0UL];
437 template<
typename VT >
438 friend inline void divAssign( DenseVector<VT,TF>& lhs,
const SVecDVecCrossExpr& rhs )
448 (~lhs)[0] /= x[1UL]*y[2UL] - x[2UL]*y[1UL];
449 (~lhs)[1] /= x[2UL]*y[0UL] - x[0UL]*y[2UL];
450 (~lhs)[2] /= x[0UL]*y[1UL] - x[1UL]*y[0UL];
493 template<
typename VT1
496 , DisableIf_t< IsZero_v<VT1> >* =
nullptr >
497 inline const SVecDVecCrossExpr<VT1,VT2,TF>
498 svecdveccross(
const SparseVector<VT1,TF>& lhs,
const DenseVector<VT2,TF>& rhs )
504 return SVecDVecCrossExpr<VT1,VT2,TF>( ~lhs, ~rhs );
523 template<
typename VT1
526 , EnableIf_t< IsZero_v<VT1> >* =
nullptr >
527 inline decltype(
auto)
528 svecdveccross( const SparseVector<VT1,TF>& lhs, const DenseVector<VT2,TF>& rhs )
536 using ReturnType =
const CrossTrait_t< ResultType_t<VT1>, ResultType_t<VT2> >;
574 template<
typename VT1
577 inline decltype(
auto)
582 if( (~lhs).
size() != 3UL || (~rhs).
size() != 3UL ) {
586 return svecdveccross( ~lhs, ~rhs );
617 template<
typename VT1
#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.
Header file for the UNUSED_PARAMETER function template.
Header file for basic type definitions.
constexpr size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecDVecCrossExpr.h:208
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias declaration for the If class template.The If_t alias declaration provides a convenien...
Definition: If.h:109
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.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
LeftOperand lhs_
Left-hand side sparse vector of the cross product expression.
Definition: SVecDVecCrossExpr.h:259
Expression object for sparse vector-dense vector cross products.The SVecDVecCrossExpr class represent...
Definition: Forward.h:139
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SVecDVecCrossExpr.h:152
Constraint on the data type.
Header file for the DenseVector base class.
Header file for the Computation base class.
constexpr void UNUSED_PARAMETER(const Args &...)
Suppression of unused parameter warnings.
Definition: Unused.h:81
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecCrossExpr.h:125
Efficient implementation of a fixed-sized vector.The StaticVector class template is the representatio...
Definition: Forward.h:61
Constraint on the transpose flag of vector types.
CompositeType_t< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:100
decltype((std::declval< RN1 >() *std::declval< RN2 >()) -(std::declval< RN1 >() *std::declval< RN2 >())) ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecCrossExpr.h:117
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
RightOperand rhs_
Right-hand side dense vector of the cross product expression.
Definition: SVecDVecCrossExpr.h:260
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
#define BLAZE_CONSTRAINT_MUST_BE_ZERO_TYPE(T)
Constraint on the data type.In case the given data type T is not a zero vector or matrix type...
Definition: Zero.h:61
const StaticVector< ET1, 3UL, TF > LT
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:141
#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
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecCrossExpr.h:252
If_t< IsComputation_v< VT2 >, const StaticVector< ET2, 3UL, TF >, CT2 > RT
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:144
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
SVecDVecCrossExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecDVecCrossExpr class.
Definition: SVecDVecCrossExpr.h:161
ElementType_t< VT1 > ET1
Element type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:102
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: SVecDVecCrossExpr.h:113
#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
If_t< IsExpression_v< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:135
Constraint on the data type.
Constraint on the data type.
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.
Constraint on the data type.
Header file for the EnableIf class template.
ResultType_t< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:96
typename CrossTrait< T1, T2 >::Type CrossTrait_t
Auxiliary alias declaration for the CrossTrait class template.The CrossTrait_t alias declaration prov...
Definition: CrossTrait.h:165
Header file for the CrossExpr base class.
Header file for all forward declarations for dense vectors and matrices.
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
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecCrossExpr.h:240
Header file for the cross product trait.
CrossTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecDVecCrossExpr.h:124
Header file for the IsZero type trait.
CompositeType_t< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:101
If_t< IsExpression_v< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:138
#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
constexpr size_t size(const Matrix< MT, SO > &matrix) noexcept
Returns the total number of elements of the matrix.
Definition: Matrix.h:530
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
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecDVecCrossExpr.h:132
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecCrossExpr.h:176
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: SVecDVecCrossExpr.h:126
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecDVecCrossExpr.h:218
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SVecDVecCrossExpr.h:228
ElementType_t< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:103
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3081
#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
ResultType_t< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:97
Header file for the IsComputation type trait class.
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:138
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecDVecCrossExpr.h:129
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: SVecDVecCrossExpr.h:149
ReturnType_t< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecCrossExpr.h:98
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ZERO_TYPE(T)
Constraint on the data type.In case the given data type T is a zero vector or matrix type...
Definition: Zero.h:81
#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
ReturnType_t< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecCrossExpr.h:99
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: SVecDVecCrossExpr.h:195
decltype(auto) cross(const DenseVector< VT1, TF > &lhs, const DenseVector< VT2, TF > &rhs)
Cross product of two dense vectors ( ).
Definition: DVecDVecCrossExpr.h:544