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Release Cosmopolitan v3.6.0
This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
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1585 changed files with 117353 additions and 271644 deletions
39
third_party/libcxx/__random/log2.h
vendored
39
third_party/libcxx/__random/log2.h
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@ -23,47 +23,42 @@ template <class _UIntType, _UIntType _Xp, size_t _Rp>
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struct __log2_imp;
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template <unsigned long long _Xp, size_t _Rp>
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struct __log2_imp<unsigned long long, _Xp, _Rp>
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{
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static const size_t value = _Xp & ((unsigned long long)(1) << _Rp) ? _Rp
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: __log2_imp<unsigned long long, _Xp, _Rp - 1>::value;
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struct __log2_imp<unsigned long long, _Xp, _Rp> {
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static const size_t value =
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_Xp & ((unsigned long long)(1) << _Rp) ? _Rp : __log2_imp<unsigned long long, _Xp, _Rp - 1>::value;
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};
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template <unsigned long long _Xp>
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struct __log2_imp<unsigned long long, _Xp, 0>
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{
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static const size_t value = 0;
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struct __log2_imp<unsigned long long, _Xp, 0> {
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static const size_t value = 0;
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};
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template <size_t _Rp>
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struct __log2_imp<unsigned long long, 0, _Rp>
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{
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static const size_t value = _Rp + 1;
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struct __log2_imp<unsigned long long, 0, _Rp> {
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static const size_t value = _Rp + 1;
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};
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#ifndef _LIBCPP_HAS_NO_INT128
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template <__uint128_t _Xp, size_t _Rp>
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struct __log2_imp<__uint128_t, _Xp, _Rp>
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{
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static const size_t value = (_Xp >> 64)
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? (64 + __log2_imp<unsigned long long, (_Xp >> 64), 63>::value)
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: __log2_imp<unsigned long long, _Xp, 63>::value;
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struct __log2_imp<__uint128_t, _Xp, _Rp> {
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static const size_t value =
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(_Xp >> 64) ? (64 + __log2_imp<unsigned long long, (_Xp >> 64), 63>::value)
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: __log2_imp<unsigned long long, _Xp, 63>::value;
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};
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#endif // _LIBCPP_HAS_NO_INT128
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template <class _UIntType, _UIntType _Xp>
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struct __log2
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{
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static const size_t value = __log2_imp<
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struct __log2 {
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static const size_t value = __log2_imp<
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#ifndef _LIBCPP_HAS_NO_INT128
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__conditional_t<sizeof(_UIntType) <= sizeof(unsigned long long), unsigned long long, __uint128_t>,
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__conditional_t<sizeof(_UIntType) <= sizeof(unsigned long long), unsigned long long, __uint128_t>,
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#else
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unsigned long long,
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unsigned long long,
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#endif // _LIBCPP_HAS_NO_INT128
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_Xp,
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sizeof(_UIntType) * __CHAR_BIT__ - 1>::value;
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_Xp,
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sizeof(_UIntType) * __CHAR_BIT__ - 1>::value;
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};
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_LIBCPP_END_NAMESPACE_STD
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