| Message ID | 20250411130423.2164577-8-stefan.klug@ideasonboard.com |
|---|---|
| State | New |
| Headers | show |
| Series |
|
| Related | show |
Quoting Stefan Klug (2025-04-11 15:04:14) > When dealing with Vectors it is useful to be able to cast the to a s/the// > different underlying type or to access the underlying data. > > Add functions for that. > > Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> > --- > include/libcamera/internal/vector.h | 11 +++++++++++ > src/libcamera/vector.cpp | 18 ++++++++++++++++++ > 2 files changed, 29 insertions(+) > > diff --git a/include/libcamera/internal/vector.h b/include/libcamera/internal/vector.h > index 16b6aef0b38f..63da55019aef 100644 > --- a/include/libcamera/internal/vector.h > +++ b/include/libcamera/internal/vector.h > @@ -63,6 +63,17 @@ public: > return data_[i]; > } > > + template<typename T2> > + explicit operator Vector<T2, Rows>() const > + { > + Vector<T2, Rows> ret; > + for (unsigned int i = 0; i < Rows; i++) > + ret[i] = static_cast<T2>(data_[i]); > + return ret; > + } > + > + constexpr Span<const T, Rows> data() const { return data_; } > + > constexpr Vector<T, Rows> operator-() const > { > Vector<T, Rows> ret; > diff --git a/src/libcamera/vector.cpp b/src/libcamera/vector.cpp > index 4dad1b9001c5..bb89f0de7c4f 100644 > --- a/src/libcamera/vector.cpp > +++ b/src/libcamera/vector.cpp > @@ -64,6 +64,24 @@ LOG_DEFINE_CATEGORY(Vector) > * \copydoc Vector::operator[](size_t i) const > */ > > +/** > + * \fn Vector::data() > + * \brief Access the vector data > + * > + * Access the contents of the vector as linear array of values. > + * > + * \return A span referencing the vector data as a linear array > + */ > + > +/** > + * \fn Vector::operator Vector<T2, Rows>() > + * \brief Cast to a different underlying type > + * > + * Cast the vector to a different underlying type using static_cast(). > + * > + * \return A vector of type T2 > + */ > + > /** > * \fn Vector::operator-() const > * \brief Negate a Vector by negating both all of its coordinates > -- > 2.43.0 >
diff --git a/include/libcamera/internal/vector.h b/include/libcamera/internal/vector.h index 16b6aef0b38f..63da55019aef 100644 --- a/include/libcamera/internal/vector.h +++ b/include/libcamera/internal/vector.h @@ -63,6 +63,17 @@ public: return data_[i]; } + template<typename T2> + explicit operator Vector<T2, Rows>() const + { + Vector<T2, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = static_cast<T2>(data_[i]); + return ret; + } + + constexpr Span<const T, Rows> data() const { return data_; } + constexpr Vector<T, Rows> operator-() const { Vector<T, Rows> ret; diff --git a/src/libcamera/vector.cpp b/src/libcamera/vector.cpp index 4dad1b9001c5..bb89f0de7c4f 100644 --- a/src/libcamera/vector.cpp +++ b/src/libcamera/vector.cpp @@ -64,6 +64,24 @@ LOG_DEFINE_CATEGORY(Vector) * \copydoc Vector::operator[](size_t i) const */ +/** + * \fn Vector::data() + * \brief Access the vector data + * + * Access the contents of the vector as linear array of values. + * + * \return A span referencing the vector data as a linear array + */ + +/** + * \fn Vector::operator Vector<T2, Rows>() + * \brief Cast to a different underlying type + * + * Cast the vector to a different underlying type using static_cast(). + * + * \return A vector of type T2 + */ + /** * \fn Vector::operator-() const * \brief Negate a Vector by negating both all of its coordinates
When dealing with Vectors it is useful to be able to cast the to a different underlying type or to access the underlying data. Add functions for that. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> --- include/libcamera/internal/vector.h | 11 +++++++++++ src/libcamera/vector.cpp | 18 ++++++++++++++++++ 2 files changed, 29 insertions(+)