cxx/test/numerics/rand/rand.eng/rand.eng.lcong/assign.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

59 lines
1.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template <class UIntType, UIntType a, UIntType c, UIntType m>
// class linear_congruential_engine;
// linear_congruential_engine& operator=(const linear_congruential_engine&);
#include <random>
#include <cassert>
template <class T, T a, T c, T m>
void
test1()
{
typedef std::linear_congruential_engine<T, a, c, m> E;
E e1;
E e2;
assert(e1 == e2);
e1();
e2 = e1;
assert(e1 == e2);
}
template <class T>
void
test()
{
test1<T, 0, 0, 0>();
test1<T, 0, 1, 2>();
test1<T, 1, 1, 2>();
const T M(~0);
test1<T, 0, 0, M>();
test1<T, 0, M-2, M>();
test1<T, 0, M-1, M>();
test1<T, M-2, 0, M>();
test1<T, M-2, M-2, M>();
test1<T, M-2, M-1, M>();
test1<T, M-1, 0, M>();
test1<T, M-1, M-2, M>();
test1<T, M-1, M-1, M>();
}
int main()
{
test<unsigned short>();
test<unsigned int>();
test<unsigned long>();
test<unsigned long long>();
}