228 lines
19 KiB
C++
228 lines
19 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright 2015 John Maddock. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/multiprecision/cpp_int.hpp>
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#include <type_traits>
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//
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// Move construct:
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//
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::cpp_int>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::checked_int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::checked_uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::checked_int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::uint512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_constructible<boost::multiprecision::checked_uint512_t>::value, "noexcept test");
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//
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// Move assign:
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//
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::cpp_int>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::checked_int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::checked_uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::checked_int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::uint512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_move_assignable<boost::multiprecision::checked_uint512_t>::value, "noexcept test");
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//
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// Construct:
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//
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::cpp_int>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::checked_int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::checked_uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::checked_int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::uint512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_default_constructible<boost::multiprecision::checked_uint512_t>::value, "noexcept test");
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//
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// Copy construct:
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//
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static_assert(!std::is_nothrow_copy_constructible<boost::multiprecision::cpp_int>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::checked_int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::checked_uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::checked_int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::uint512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_constructible<boost::multiprecision::checked_uint512_t>::value, "noexcept test");
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//
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// Assign:
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//
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static_assert(!std::is_nothrow_copy_assignable<boost::multiprecision::cpp_int>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::checked_int128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::checked_uint128_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::checked_int512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::uint512_t>::value, "noexcept test");
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static_assert(std::is_nothrow_copy_assignable<boost::multiprecision::checked_uint512_t>::value, "noexcept test");
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//
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// Construct from int:
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//
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static_assert(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int128_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int128_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint128_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(!noexcept(boost::multiprecision::checked_uint128_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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static_assert(!noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::signed_limb_type>())), "noexcept test");
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//
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// Construct from unsigned int:
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//
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static_assert(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int128_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int128_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint128_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_uint128_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::limb_type>())), "noexcept test");
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//
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// Assign from int:
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//
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static_assert(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int128_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int128_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint128_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(!noexcept(std::declval<boost::multiprecision::checked_uint128_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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static_assert(!noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::signed_limb_type>()), "noexcept test");
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//
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// Assign from unsigned int:
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//
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static_assert(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int128_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int128_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint128_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_uint128_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::limb_type>()), "noexcept test");
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#if defined(BOOST_LITTLE_ENDIAN) && !defined(BOOST_MP_TEST_NO_LE)
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//
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// We can also nothrow construct from a double_limb_type (or smaller obviously) as long as double_limb_type is smaller than the type
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// in question (so don't test 128-bit integers in case double_limb_type is __int128).
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//
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// Construct from int:
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//
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static_assert(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::signed_double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::signed_double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::signed_double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::signed_double_limb_type>())), "noexcept test");
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static_assert(!noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::signed_double_limb_type>())), "noexcept test");
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//
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// Construct from unsigned int:
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//
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static_assert(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::double_limb_type>())), "noexcept test");
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static_assert(noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::double_limb_type>())), "noexcept test");
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//
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// Assign from int:
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//
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static_assert(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::signed_double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()), "noexcept test");
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static_assert(!noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()), "noexcept test");
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//
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// Assign from unsigned int:
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//
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static_assert(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::double_limb_type>()), "noexcept test");
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static_assert(noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::double_limb_type>()), "noexcept test");
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#endif // little endian
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::signed_magnitude, boost::multiprecision::checked, void> > checked_int32_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::unsigned_magnitude, boost::multiprecision::checked, void> > checked_uint32_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void> > unchecked_int32_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void> > unchecked_uint32_t;
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//
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// Construct from int:
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//
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static_assert(noexcept(unchecked_int32_t(std::declval<std::int32_t>())), "noexcept test");
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static_assert(noexcept(checked_int32_t(std::declval<std::int32_t>())), "noexcept test");
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static_assert(noexcept(unchecked_uint32_t(std::declval<std::int32_t>())), "noexcept test");
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static_assert(!noexcept(checked_uint32_t(std::declval<std::int32_t>())), "noexcept test");
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//
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// Construct from unsigned int:
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//
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static_assert(noexcept(unchecked_int32_t(std::declval<std::uint32_t>())), "noexcept test");
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static_assert(noexcept(checked_int32_t(std::declval<std::uint32_t>())), "noexcept test");
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static_assert(noexcept(unchecked_uint32_t(std::declval<std::uint32_t>())), "noexcept test");
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static_assert(noexcept(checked_uint32_t(std::declval<std::uint32_t>())), "noexcept test");
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//
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// Assign from int:
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//
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static_assert(noexcept(std::declval<unchecked_int32_t>() = std::declval<std::int32_t>()), "noexcept test");
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static_assert(noexcept(std::declval<checked_int32_t>() = std::declval<std::int32_t>()), "noexcept test");
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static_assert(noexcept(std::declval<unchecked_uint32_t>() = std::declval<std::int32_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_uint32_t>() = std::declval<std::int32_t>()), "noexcept test");
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//
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// Assign from unsigned int:
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//
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static_assert(noexcept(std::declval<unchecked_int32_t>() = std::declval<std::uint32_t>()), "noexcept test");
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static_assert(noexcept(std::declval<checked_int32_t>() = std::declval<std::uint32_t>()), "noexcept test");
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static_assert(noexcept(std::declval<unchecked_uint32_t>() = std::declval<std::uint32_t>()), "noexcept test");
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static_assert(noexcept(std::declval<checked_uint32_t>() = std::declval<std::uint32_t>()), "noexcept test");
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//
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// And finally some things which should *not* be noexcept:
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//
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::signed_magnitude, boost::multiprecision::checked, void> > checked_int30_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::unsigned_magnitude, boost::multiprecision::checked, void> > checked_uint30_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void> > unchecked_int30_t;
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typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void> > unchecked_uint30_t;
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//
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// Construct from int:
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//
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static_assert(!noexcept(checked_int30_t(std::declval<std::int32_t>())), "noexcept test");
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static_assert(!noexcept(checked_uint30_t(std::declval<std::int32_t>())), "noexcept test");
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static_assert(!noexcept(checked_int32_t(std::declval<std::int64_t>())), "noexcept test");
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static_assert(!noexcept(checked_uint32_t(std::declval<std::int64_t>())), "noexcept test");
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//
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// Construct from unsigned int:
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//
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static_assert(!noexcept(checked_int30_t(std::declval<std::uint32_t>())), "noexcept test");
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static_assert(!noexcept(checked_uint30_t(std::declval<std::uint32_t>())), "noexcept test");
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static_assert(!noexcept(checked_int32_t(std::declval<std::uint64_t>())), "noexcept test");
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static_assert(!noexcept(checked_uint32_t(std::declval<std::uint64_t>())), "noexcept test");
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//
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// Assign from int:
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//
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static_assert(!noexcept(std::declval<checked_int30_t>() = std::declval<std::int32_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_uint30_t>() = std::declval<std::int32_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_int32_t>() = std::declval<std::int64_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_uint32_t>() = std::declval<std::int64_t>()), "noexcept test");
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//
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// Assign from unsigned int:
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//
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static_assert(!noexcept(std::declval<checked_int30_t>() = std::declval<std::uint32_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_uint30_t>() = std::declval<std::uint32_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_int32_t>() = std::declval<std::uint64_t>()), "noexcept test");
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static_assert(!noexcept(std::declval<checked_uint32_t>() = std::declval<std::uint64_t>()), "noexcept test");
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