10 #ifndef EIGEN_CWISE_UNARY_VIEW_H
11 #define EIGEN_CWISE_UNARY_VIEW_H
30 template<
typename ViewOp,
typename MatrixType>
31 struct traits<CwiseUnaryView<ViewOp, MatrixType> >
34 typedef typename result_of<
35 ViewOp(
typename traits<MatrixType>::Scalar)
37 typedef typename MatrixType::Nested MatrixTypeNested;
38 typedef typename remove_all<MatrixTypeNested>::type _MatrixTypeNested;
40 FlagsLvalueBit = is_lvalue<MatrixType>::value ?
LvalueBit : 0,
42 MatrixTypeInnerStride = inner_stride_at_compile_time<MatrixType>::ret,
45 InnerStrideAtCompileTime = MatrixTypeInnerStride == Dynamic
47 : int(MatrixTypeInnerStride) * int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar)),
48 OuterStrideAtCompileTime = outer_stride_at_compile_time<MatrixType>::ret == Dynamic
50 : outer_stride_at_compile_time<MatrixType>::ret * int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar))
55 template<
typename ViewOp,
typename MatrixType,
typename StorageKind>
56 class CwiseUnaryViewImpl;
58 template<
typename ViewOp,
typename MatrixType>
59 class CwiseUnaryView :
public CwiseUnaryViewImpl<ViewOp, MatrixType, typename internal::traits<MatrixType>::StorageKind>
63 typedef typename CwiseUnaryViewImpl<ViewOp, MatrixType,typename internal::traits<MatrixType>::StorageKind>::Base Base;
65 typedef typename internal::remove_all<MatrixType>::type NestedExpression;
67 explicit inline CwiseUnaryView(MatrixType& mat,
const ViewOp& func = ViewOp())
68 : m_matrix(mat), m_functor(func) {}
72 EIGEN_STRONG_INLINE Index rows()
const {
return m_matrix.rows(); }
73 EIGEN_STRONG_INLINE Index cols()
const {
return m_matrix.cols(); }
76 const ViewOp&
functor()
const {
return m_functor; }
79 const typename internal::remove_all<typename MatrixType::Nested>::type&
83 typename internal::remove_all<typename MatrixType::Nested>::type&
87 typename internal::ref_selector<MatrixType>::type m_matrix;
92 template<
typename ViewOp,
typename XprType,
typename StorageKind>
93 class CwiseUnaryViewImpl
94 :
public internal::generic_xpr_base<CwiseUnaryView<ViewOp, XprType> >::type
97 typedef typename internal::generic_xpr_base<CwiseUnaryView<ViewOp, XprType> >::type Base;
100 template<
typename ViewOp,
typename MatrixType>
101 class CwiseUnaryViewImpl<ViewOp,MatrixType,Dense>
102 :
public internal::dense_xpr_base< CwiseUnaryView<ViewOp, MatrixType> >::type
106 typedef CwiseUnaryView<ViewOp, MatrixType> Derived;
107 typedef typename internal::dense_xpr_base< CwiseUnaryView<ViewOp, MatrixType> >::type Base;
109 EIGEN_DENSE_PUBLIC_INTERFACE(Derived)
110 EIGEN_INHERIT_ASSIGNMENT_OPERATORS(CwiseUnaryViewImpl)
112 EIGEN_DEVICE_FUNC inline Scalar* data() {
return &(this->coeffRef(0)); }
113 EIGEN_DEVICE_FUNC
inline const Scalar* data()
const {
return &(this->coeff(0)); }
115 EIGEN_DEVICE_FUNC
inline Index innerStride()
const
117 return derived().nestedExpression().innerStride() *
sizeof(
typename internal::traits<MatrixType>::Scalar) /
sizeof(Scalar);
120 EIGEN_DEVICE_FUNC
inline Index outerStride()
const
122 return derived().nestedExpression().outerStride() *
sizeof(
typename internal::traits<MatrixType>::Scalar) /
sizeof(Scalar);
128 #endif // EIGEN_CWISE_UNARY_VIEW_H
const internal::remove_all< typename MatrixType::Nested >::type & nestedExpression() const
Definition: CwiseUnaryView.h:80
const unsigned int DirectAccessBit
Definition: Constants.h:141
const unsigned int LvalueBit
Definition: Constants.h:130
const ViewOp & functor() const
Definition: CwiseUnaryView.h:76
const unsigned int RowMajorBit
Definition: Constants.h:53
Generic lvalue expression of a coefficient-wise unary operator of a matrix or a vector.
Definition: CwiseUnaryView.h:59
Definition: Eigen_Colamd.h:54
internal::remove_all< typename MatrixType::Nested >::type & nestedExpression()
Definition: CwiseUnaryView.h:84