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explicit cast

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This commit is contained in:
Daniel Lemire 2024-01-28 13:29:55 -05:00
parent 9da74ca5fb
commit eb584f748e
1 changed files with 2 additions and 2 deletions
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include/fast_float/ascii_number.h
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@ -529,8 +529,8 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value,
// this weird workaround is required because:
// - converting unsigned to signed when its value is greater than signed max is UB pre-C++23.
// - reinterpret_casting (~i + 1) would work, but it is not constexpr
// this is always optimized into a neg instruction.
value = T(-std::numeric_limits<T>::max() - T(i - std::numeric_limits<T>::max()));
// this is always optimized into a neg instruction (note: T is an integer type)
value = T(-std::numeric_limits<T>::max() - T(i - uint64_t(std::numeric_limits<T>::max())));
#ifdef FASTFLOAT_VISUAL_STUDIO
#pragma warning(pop)
#endif