/////////////////////////////////////////////////////////////////// // Copyright Christopher Kormanyos 2018 - 2024. // // Distributed under the Boost Software License, // // Version 1.0. (See accompanying file LICENSE_1_0.txt // // or copy at http://www.boost.org/LICENSE_1_0.txt) // /////////////////////////////////////////////////////////////////// #include #include #if defined(WIDE_INTEGER_NAMESPACE) auto WIDE_INTEGER_NAMESPACE::math::wide_integer::example002_shl_shr() -> bool #else auto ::math::wide_integer::example002_shl_shr() -> bool #endif { #if defined(WIDE_INTEGER_NAMESPACE) using WIDE_INTEGER_NAMESPACE::math::wide_integer::uint256_t; #else using ::math::wide_integer::uint256_t; #endif constexpr uint256_t a("0xF4DF741DE58BCB2F37F18372026EF9CBCFC456CB80AF54D53BDEED78410065DE"); constexpr uint256_t c = (a << 67); // NOLINT(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers) constexpr uint256_t d = (a >> 79); // NOLINT(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers) const auto result_is_ok = ( (c == "0xBF8C1B901377CE5E7E22B65C057AA6A9DEF76BC208032EF00000000000000000") && (d == "0x1E9BEE83BCB17965E6FE306E404DDF3979F88AD97015E")); static_assert(result_is_ok, "Error: example002_shl_shr not OK!"); return result_is_ok; } // Enable this if you would like to activate this main() as a standalone example. #if defined(WIDE_INTEGER_STANDALONE_EXAMPLE002_SHL_SHR) #include #include auto main() -> int { #if defined(WIDE_INTEGER_NAMESPACE) const auto result_is_ok = WIDE_INTEGER_NAMESPACE::math::wide_integer::example002_shl_shr(); #else const auto result_is_ok = ::math::wide_integer::example002_shl_shr(); #endif std::cout << "result_is_ok: " << std::boolalpha << result_is_ok << std::endl; return (result_is_ok ? 0 : -1); } #endif