}
#endif
- __num_threads = std::min<_BinIndex>(__num_threads, __num_bins);
+ __num_bins = __round_up_to_pow2(
+ std::max<_BinIndex>(__num_threads, __num_bins));
if (__num_threads <= 1)
- return __sequential_random_shuffle(__begin, __end, __rng);
+ {
+ _RandomNumber __derived_rng(
+ __rng(std::numeric_limits<uint32_t>::max()));
+ __sequential_random_shuffle(__begin, __end, __derived_rng);
+ return;
+ }
_DRandomShufflingGlobalData<_RAIter> __sd(__begin);
_DRSSorterPU<_RAIter, _RandomNumber >* __pus;