| //===----------------------------------------------------------------------===// |
| // |
| // 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 Engine, size_t w, class UIntType> |
| // class independent_bits_engine |
| // { |
| // public: |
| // // types |
| // typedef UIntType result_type; |
| // |
| // // engine characteristics |
| // static constexpr result_type min() { return 0; } |
| // static constexpr result_type max() { return 2^w - 1; } |
| |
| #include <random> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| void |
| test1() |
| { |
| typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E; |
| #if TEST_STD_VER >= 11 |
| static_assert((E::min() == 0), ""); |
| static_assert((E::max() == 0xFFFFFFFF), ""); |
| #else |
| assert((E::min() == 0)); |
| assert((E::max() == 0xFFFFFFFF)); |
| #endif |
| } |
| |
| void |
| test2() |
| { |
| typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E; |
| #if TEST_STD_VER >= 11 |
| static_assert((E::min() == 0), ""); |
| static_assert((E::max() == 0xFFFFFFFFFFFFFFFFull), ""); |
| #else |
| assert((E::min() == 0)); |
| assert((E::max() == 0xFFFFFFFFFFFFFFFFull)); |
| #endif |
| } |
| |
| int main(int, char**) |
| { |
| test1(); |
| test2(); |
| |
| return 0; |
| } |