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libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/io.pass.cpp

64 lines
1.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class Engine, size_t w, class UIntType>
// class independent_bits_engine
// template <class charT, class traits,
// class Engine, size_t w, class UIntType>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os,
// const independent_bits_engine<Engine, w, UIntType>& x);
//
// template <class charT, class traits,
// class Engine, size_t w, class UIntType>
// basic_istream<charT, traits>&
// operator>>(basic_istream<charT, traits>& is,
// independent_bits_engine<Engine, w, UIntType>& x);
#include <random>
#include <sstream>
#include <cassert>
void
test1()
{
typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
E e1;
e1.discard(100);
std::ostringstream os;
os << e1;
std::istringstream is(os.str());
E e2;
is >> e2;
assert(e1 == e2);
}
void
test2()
{
typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
E e1;
e1.discard(100);
std::ostringstream os;
os << e1;
std::istringstream is(os.str());
E e2;
is >> e2;
assert(e1 == e2);
}
int main()
{
test1();
test2();
}