| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <random> |
| |
| // template <class UIntType, UIntType a, UIntType c, UIntType m> |
| // class linear_congruential_engine; |
| |
| // template <class charT, class traits, |
| // class UIntType, UIntType a, UIntType c, UIntType m> |
| // basic_ostream<charT, traits>& |
| // operator<<(basic_ostream<charT, traits>& os, |
| // const linear_congruential_engine<UIntType, a, c, m>& x); |
| // |
| // template <class charT, class traits, |
| // class UIntType, UIntType a, UIntType c, UIntType m> |
| // basic_istream<charT, traits>& |
| // operator>>(basic_istream<charT, traits>& is, |
| // linear_congruential_engine<UIntType, a, c, m>& x); |
| |
| #include <random> |
| #include <sstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::linear_congruential_engine<unsigned, 48271, 0, 2147483647> E; |
| E e1; |
| e1.discard(100); |
| std::ostringstream os; |
| os << e1; |
| std::istringstream is(os.str()); |
| E e2; |
| is >> e2; |
| assert(e1 == e2); |
| } |
| |
| return 0; |
| } |