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Fix numext::bit_cast() compilation failure in C++20

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Tyler Veness 2025-08-07 00:03:33 +00:00 committed by Charles Schlosser
parent 975a5aba4f
commit 8b9dbcdaaf
1 changed files with 4 additions and 1 deletions
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5
Eigen/src/Core/NumTraits.h
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@ -98,7 +98,10 @@ namespace numext {
/** \internal bit-wise cast without changing the underlying bit representation. */
#if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806L
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC constexpr Tgt bit_cast(const Src& src) { return std::bit_cast<Tgt>(src); }
template <typename Tgt, typename Src>
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC constexpr Tgt bit_cast(const Src& src) {
return std::bit_cast<Tgt>(src);
}
#elif EIGEN_HAS_BUILTIN(__builtin_bit_cast)
template <typename Tgt, typename Src>
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC constexpr Tgt bit_cast(const Src& src) {