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| author |  Thomas Köppe <tkoeppe@google.com> | 2022-08-04 06:14:14 -0700 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2022-08-04 06:15:05 -0700 |
| commit | 4b551344e6ba3243636d841d5a2d944a20a3a956 (patch) | |
| tree | 95f8c347117f509f5aa9fab0b05f3c55d1ce73cf /absl/numeric/bits.h | |
| parent | 751ade00ee347abef5dac7248db851e3f2012e14 (diff) | |
Revert change "Fix "unsafe narrowing" warnings in absl, 4/n.".
The change breaks existing code by changing the return type of absl::bit_width.
PiperOrigin-RevId: 465295951
Change-Id: Id4ce7c2ac3699ce22aa2b4851a949f9e0104a3d7
Diffstat (limited to 'absl/numeric/bits.h')
| -rw-r--r-- | absl/numeric/bits.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/absl/numeric/bits.h b/absl/numeric/bits.h index df81b9a9..628cdf50 100644 --- a/absl/numeric/bits.h +++ b/absl/numeric/bits.h @@ -131,9 +131,10 @@ has_single_bit(T x) noexcept { // fractional part discarded. template <class T> ABSL_INTERNAL_CONSTEXPR_CLZ inline - typename std::enable_if<std::is_unsigned<T>::value, int>::type + typename std::enable_if<std::is_unsigned<T>::value, T>::type bit_width(T x) noexcept { - return std::numeric_limits<T>::digits - countl_zero(x); + return std::numeric_limits<T>::digits - + static_cast<unsigned int>(countl_zero(x)); } // Returns: If x == 0, 0; otherwise the maximal value y such that |