//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <unordered_set> // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, // class Alloc = allocator<Value>> // class unordered_set // float load_factor() const #include <unordered_set> #include <cassert> #include <cfloat> int main() { { typedef std::unordered_set<int> C; typedef int P; P a[] = { P(10), P(20), P(30), P(40), P(50), P(60), P(70), P(80) }; const C c(std::begin(a), std::end(a)); assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); } { typedef std::unordered_set<int> C; typedef int P; const C c; assert(c.load_factor() == 0); } }