load_factor.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <unordered_set> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class Alloc = allocator<Value>> 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class unordered_set 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// float load_factor() const 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <unordered_set> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::unordered_set<int> C; 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef int P; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P a[] = 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(10), 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(20), 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(30), 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(40), 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(50), 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(60), 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(70), 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(80) 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant }; 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const C c(std::begin(a), std::end(a)); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.load_factor() == (float)c.size() / c.bucket_count()); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::unordered_set<int> C; 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef int P; 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const C c; 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.load_factor() == 0); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 47