14 #include "./InternalHeaderCheck.h"
19 template<
typename PlainObjectType,
int MapOptions,
typename Str
ideType>
20 struct traits<Map<PlainObjectType, MapOptions, StrideType> >
21 :
public traits<PlainObjectType>
23 typedef traits<PlainObjectType> TraitsBase;
26 ? PlainObjectType::ColsAtCompileTime
27 : PlainObjectType::RowsAtCompileTime,
29 InnerStrideAtCompileTime = StrideType::InnerStrideAtCompileTime == 0
30 ? int(PlainObjectType::InnerStrideAtCompileTime)
31 : int(StrideType::InnerStrideAtCompileTime),
32 OuterStrideAtCompileTime = StrideType::OuterStrideAtCompileTime == 0
33 ? (InnerStrideAtCompileTime==
Dynamic || PlainObjectTypeInnerSize==
Dynamic
35 : int(InnerStrideAtCompileTime) * int(PlainObjectTypeInnerSize))
36 : int(StrideType::OuterStrideAtCompileTime),
37 Alignment = int(MapOptions)&int(AlignedMask),
38 Flags0 = TraitsBase::Flags & (~NestByRefBit),
39 Flags = is_lvalue<PlainObjectType>::value ? int(Flags0) : (int(Flags0) & ~
LvalueBit)
96 template<
typename PlainObjectType,
int MapOptions,
typename Str
ideType>
class Map
97 :
public MapBase<Map<PlainObjectType, MapOptions, StrideType> >
101 typedef MapBase<Map> Base;
102 EIGEN_DENSE_PUBLIC_INTERFACE(
Map)
104 typedef typename Base::PointerType PointerType;
105 typedef PointerType PointerArgType;
107 inline PointerType cast_to_pointer_type(PointerArgType ptr) {
return ptr; }
109 EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
110 inline Index innerStride()
const
112 return StrideType::InnerStrideAtCompileTime != 0 ? m_stride.inner() : 1;
115 EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
116 inline Index outerStride()
const
118 return StrideType::OuterStrideAtCompileTime != 0 ? m_stride.outer()
119 : internal::traits<Map>::OuterStrideAtCompileTime !=
Dynamic ?
Index(internal::traits<Map>::OuterStrideAtCompileTime)
120 : IsVectorAtCompileTime ? (this->size() * innerStride())
121 :
int(Flags)&
RowMajorBit ? (this->cols() * innerStride())
122 : (this->rows() * innerStride());
131 explicit inline Map(PointerArgType dataPtr,
const StrideType& stride = StrideType())
132 : Base(cast_to_pointer_type(dataPtr)), m_stride(stride)
143 inline Map(PointerArgType dataPtr,
Index size,
const StrideType& stride = StrideType())
144 : Base(cast_to_pointer_type(dataPtr), size), m_stride(stride)
156 inline Map(PointerArgType dataPtr,
Index rows,
Index cols,
const StrideType& stride = StrideType())
157 : Base(cast_to_pointer_type(dataPtr), rows, cols), m_stride(stride)
161 EIGEN_INHERIT_ASSIGNMENT_OPERATORS(
Map)
A matrix or vector expression mapping an existing array of data.
Definition: Map.h:98
Map(PointerArgType dataPtr, Index rows, Index cols, const StrideType &stride=StrideType())
Definition: Map.h:156
Map(PointerArgType dataPtr, const StrideType &stride=StrideType())
Definition: Map.h:131
Map(PointerArgType dataPtr, Index size, const StrideType &stride=StrideType())
Definition: Map.h:143
const unsigned int LvalueBit
Definition: Constants.h:146
const unsigned int RowMajorBit
Definition: Constants.h:68
Namespace containing all symbols from the Eigen library.
Definition: Core:139
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: Meta.h:59
const int Dynamic
Definition: Constants.h:24