minix/external/bsd/libc++/dist/libcxx/test/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp
Lionel Sambuc 4684ddb6aa LLVM Minix changes
- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2014-07-28 17:05:59 +02:00

69 lines
1.9 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 UIntType, size_t w, size_t n, size_t m, size_t r,
// UIntType a, size_t u, UIntType d, size_t s,
// UIntType b, size_t t, UIntType c, size_t l, UIntType f>
// class mersenne_twister_engine;
// template <class charT, class traits,
// class UIntType, size_t w, size_t n, size_t m, size_t r,
// UIntType a, size_t u, UIntType d, size_t s,
// UIntType b, size_t t, UIntType c, size_t l, UIntType f>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os,
// const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
//
// template <class charT, class traits,
// class UIntType, size_t w, size_t n, size_t m, size_t r,
// UIntType a, size_t u, UIntType d, size_t s,
// UIntType b, size_t t, UIntType c, size_t l, UIntType f>
// basic_ostream<charT, traits>&
// operator>>(basic_istream<charT, traits>& is,
// mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
#include <random>
#include <sstream>
#include <cassert>
void
test1()
{
typedef std::mt19937 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::mt19937_64 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();
}