1 files changed, 250 insertions, 0 deletions
diff --git a/libs/multiprecision/test/test_nothrow_cpp_int.cpp b/libs/multiprecision/test/test_nothrow_cpp_int.cpp
new file mode 100644
index 000000000..89045bcbe
--- /dev/null
+++ b/libs/multiprecision/test/test_nothrow_cpp_int.cpp
@@ -0,0 +1,250 @@
+///////////////////////////////////////////////////////////////////////////////
+//  Copyright 2std::declval<boost::multiprecision::signed_limb_type>()15 John Maddock. Distributed under the Boost
+//  Software License, Version 1.std::declval<boost::multiprecision::signed_limb_type>(). (See accompanying file
+//  LICENSE_1_std::declval<boost::multiprecision::signed_limb_type>().txt or copy at http://www.boost.org/LICENSE_1_std::declval<boost::multiprecision::signed_limb_type>().txt)
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <boost/type_traits/is_nothrow_move_constructible.hpp>
+#include <boost/type_traits/is_nothrow_move_assignable.hpp>
+#include <boost/type_traits/has_nothrow_constructor.hpp>
+#include <boost/type_traits/has_nothrow_assign.hpp>
+#include <boost/type_traits/has_nothrow_copy.hpp>
+#include <boost/static_assert.hpp>
+
+#ifndef BOOST_NO_NOEXCEPT
+
+#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR) || defined(BOOST_IS_NOTHROW_MOVE_CONSTRUCT)
+//
+// Move construct:
+//
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::cpp_int>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::int128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::checked_int128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::checked_uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::int512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::checked_int512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::uint512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_constructible<boost::multiprecision::checked_uint512_t>::value);
+
+#endif
+
+#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR) || defined(BOOST_IS_NOTHROW_MOVE_ASSIGN)
+//
+// Move assign:
+//
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::cpp_int>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::int128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::checked_int128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::checked_uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::int512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::checked_int512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::uint512_t>::value);
+BOOST_STATIC_ASSERT(boost::is_nothrow_move_assignable<boost::multiprecision::checked_uint512_t>::value);
+
+#endif
+
+//
+// Construct:
+//
+#ifdef BOOST_HAS_NOTHROW_CONSTRUCTOR
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::cpp_int>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::checked_int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::checked_uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::checked_int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::uint512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_constructor<boost::multiprecision::checked_uint512_t>::value);
+#endif
+//
+// Copy construct:
+//
+#ifdef BOOST_HAS_NOTHROW_COPY
+BOOST_STATIC_ASSERT(!boost::has_nothrow_copy<boost::multiprecision::cpp_int>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::checked_int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::checked_uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::checked_int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::uint512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_copy<boost::multiprecision::checked_uint512_t>::value);
+#endif
+//
+// Assign:
+//
+#ifdef BOOST_HAS_NOTHROW_ASSIGN
+BOOST_STATIC_ASSERT(!boost::has_nothrow_assign<boost::multiprecision::cpp_int>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::checked_int128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::checked_uint128_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::checked_int512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::uint512_t>::value);
+BOOST_STATIC_ASSERT(boost::has_nothrow_assign<boost::multiprecision::checked_uint512_t>::value);
+#endif
+//
+// Construct from int:
+//
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int128_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int128_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint128_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(!noexcept(boost::multiprecision::checked_uint128_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::signed_limb_type>())));
+BOOST_STATIC_ASSERT(!noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::signed_limb_type>())));
+//
+// Construct from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int128_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int128_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint128_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_uint128_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::limb_type>())));
+//
+// Assign from int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int128_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int128_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint128_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<boost::multiprecision::checked_uint128_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::signed_limb_type>()));
+//
+// Assign from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int128_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int128_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint128_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_uint128_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::limb_type>()));
+
+#if defined(BOOST_LITTLE_ENDIAN)
+//
+// We can also nothrow construct from a double_limb_type (or smaller obviously) as long as double_limb_type is smaller than the type
+// in question (so don't test 128-bit integers in case double_limb_type is __int128).
+//
+// Construct from int:
+//
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::signed_double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::signed_double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::signed_double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::signed_double_limb_type>())));
+BOOST_STATIC_ASSERT(!noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::signed_double_limb_type>())));
+//
+// Construct from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::cpp_int(std::declval<boost::multiprecision::double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::int512_t(std::declval<boost::multiprecision::double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_int512_t(std::declval<boost::multiprecision::double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::uint512_t(std::declval<boost::multiprecision::double_limb_type>())));
+BOOST_STATIC_ASSERT(noexcept(boost::multiprecision::checked_uint512_t(std::declval<boost::multiprecision::double_limb_type>())));
+//
+// Assign from int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::signed_double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::signed_double_limb_type>()));
+//
+// Assign from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::cpp_int>() = std::declval<boost::multiprecision::double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::int512_t>() = std::declval<boost::multiprecision::double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_int512_t>() = std::declval<boost::multiprecision::double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::uint512_t>() = std::declval<boost::multiprecision::double_limb_type>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<boost::multiprecision::checked_uint512_t>() = std::declval<boost::multiprecision::double_limb_type>()));
+
+#endif // little endian
+
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::signed_magnitude, boost::multiprecision::checked, void> >    checked_int32_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::unsigned_magnitude, boost::multiprecision::checked, void> >    checked_uint32_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void> >    unchecked_int32_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void> >    unchecked_uint32_t;
+
+//
+// Construct from int:
+//
+BOOST_STATIC_ASSERT(noexcept(unchecked_int32_t(std::declval<boost::int32_t>())));
+BOOST_STATIC_ASSERT(noexcept(checked_int32_t(std::declval<boost::int32_t>())));
+BOOST_STATIC_ASSERT(noexcept(unchecked_uint32_t(std::declval<boost::int32_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_uint32_t(std::declval<boost::int32_t>())));
+//
+// Construct from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(unchecked_int32_t(std::declval<boost::uint32_t>())));
+BOOST_STATIC_ASSERT(noexcept(checked_int32_t(std::declval<boost::uint32_t>())));
+BOOST_STATIC_ASSERT(noexcept(unchecked_uint32_t(std::declval<boost::uint32_t>())));
+BOOST_STATIC_ASSERT(noexcept(checked_uint32_t(std::declval<boost::uint32_t>())));
+//
+// Assign from int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<unchecked_int32_t>() = std::declval<boost::int32_t>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<checked_int32_t>() = std::declval<boost::int32_t>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<unchecked_uint32_t>() = std::declval<boost::int32_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_uint32_t>() = std::declval<boost::int32_t>()));
+//
+// Assign from unsigned int:
+//
+BOOST_STATIC_ASSERT(noexcept(std::declval<unchecked_int32_t>() = std::declval<boost::uint32_t>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<checked_int32_t>() = std::declval<boost::uint32_t>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<unchecked_uint32_t>() = std::declval<boost::uint32_t>()));
+BOOST_STATIC_ASSERT(noexcept(std::declval<checked_uint32_t>() = std::declval<boost::uint32_t>()));
+
+//
+// And finally some things which should *not* be noexcept:
+//
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::signed_magnitude, boost::multiprecision::checked, void> >    checked_int30_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::unsigned_magnitude, boost::multiprecision::checked, void> >    checked_uint30_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void> >    unchecked_int30_t;
+typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<30, 30, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void> >    unchecked_uint30_t;
+
+//
+// Construct from int:
+//
+BOOST_STATIC_ASSERT(!noexcept(checked_int30_t(std::declval<boost::int32_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_uint30_t(std::declval<boost::int32_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_int32_t(std::declval<boost::int64_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_uint32_t(std::declval<boost::int64_t>())));
+//
+// Construct from unsigned int:
+//
+BOOST_STATIC_ASSERT(!noexcept(checked_int30_t(std::declval<boost::uint32_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_uint30_t(std::declval<boost::uint32_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_int32_t(std::declval<boost::uint64_t>())));
+BOOST_STATIC_ASSERT(!noexcept(checked_uint32_t(std::declval<boost::uint64_t>())));
+//
+// Assign from int:
+//
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_int30_t>() = std::declval<boost::int32_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_uint30_t>() = std::declval<boost::int32_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_int32_t>() = std::declval<boost::int64_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_uint32_t>() = std::declval<boost::int64_t>()));
+//
+// Assign from unsigned int:
+//
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_int30_t>() = std::declval<boost::uint32_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_uint30_t>() = std::declval<boost::uint32_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_int32_t>() = std::declval<boost::uint64_t>()));
+BOOST_STATIC_ASSERT(!noexcept(std::declval<checked_uint32_t>() = std::declval<boost::uint64_t>()));
+
+#endif // noexcept
+