diff options
| -rw-r--r-- | include/libcamera/base/utils.h | 6 | ||||
| -rw-r--r-- | src/libcamera/base/utils.cpp | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/libcamera/base/utils.h b/include/libcamera/base/utils.h index 37d9af60..922e4dfa 100644 --- a/include/libcamera/base/utils.h +++ b/include/libcamera/base/utils.h @@ -369,6 +369,12 @@ decltype(auto) abs_diff(const T &a, const T &b) double strtod(const char *__restrict nptr, char **__restrict endptr); +template<class Enum> +constexpr std::underlying_type_t<Enum> to_underlying(Enum e) noexcept +{ + return static_cast<std::underlying_type_t<Enum>>(e); +} + } /* namespace utils */ #ifndef __DOXYGEN__ diff --git a/src/libcamera/base/utils.cpp b/src/libcamera/base/utils.cpp index 3b73b442..2f4c3177 100644 --- a/src/libcamera/base/utils.cpp +++ b/src/libcamera/base/utils.cpp @@ -521,6 +521,16 @@ double strtod(const char *__restrict nptr, char **__restrict endptr) #endif } +/** + * \fn to_underlying(Enum e) + * \brief Convert an enumeration to its underlygin type + * \param[in] e Enumeration value to convert + * + * This function is equivalent to the C++23 std::to_underlying(). + * + * \return The value of e converted to its underlying type + */ + } /* namespace utils */ #ifndef __DOXYGEN__ |