Nearest integer using half's internal rounding mode. See also:** Documentation for [std::rint](https://en.cppreference.com/w/cpp/numeric/math/rint). \

Inverse square root. This function is exact to rounding for all rounding modes and thus generally more accurate than directly computing 1 / sqrt(\a ar

Multiply by power of two. This function is exact to rounding for all rounding modes. See also:** Documentation for [std::scalbn](https://en.cpprefere

search for the k nearest neighbors of the specifiecd query object. query : Query object. k : Number of searc

GraphAndTreeIndex

set v in objectspace to this object using allocator.