f836d531b4
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145707 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <unordered_set>
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// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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// class Alloc = allocator<Value>>
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// class unordered_set
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// float load_factor() const
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#include <unordered_set>
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#include <cassert>
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#include <cfloat>
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int main()
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{
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{
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typedef std::unordered_set<int> C;
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typedef int P;
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P a[] =
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{
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P(10),
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P(20),
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P(30),
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P(40),
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P(50),
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P(60),
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P(70),
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P(80)
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};
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const C c(std::begin(a), std::end(a));
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assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
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}
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{
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typedef std::unordered_set<int> C;
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typedef int P;
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const C c;
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assert(c.load_factor() == 0);
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}
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}
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