| 1 | /////////////////////////////////////////////////////////////////////////////// |
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| 2 | // Copyright 2004 - 2021 Pavel Vozenilek. |
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| 3 | // Copyright 2021 Matt Borland. Distributed under the Boost |
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| 4 | // Software License, Version 1.0. (See accompanying file |
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| 5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | |
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| 7 | #ifndef BOOST_MP_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP |
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| 8 | #define BOOST_MP_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP |
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| 9 | |
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| 10 | #include <boost/multiprecision/detail/standalone_config.hpp> |
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| 11 | |
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| 12 | #ifdef BOOST_MP_STANDALONE |
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| 13 | |
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| 14 | #ifndef BOOST_NO_EXCEPTIONS |
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| 15 | # define BOOST_MP_TRY { try |
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| 16 | # define BOOST_MP_CATCH(x) catch(x) |
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| 17 | # define BOOST_MP_RETHROW throw; |
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| 18 | # define BOOST_MP_CATCH_END } |
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| 19 | # define BOOST_MP_THROW_EXCEPTION(x) throw (x); |
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| 20 | #else |
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| 21 | # if !defined(BOOST_MSVC) || BOOST_MSVC >= 1900 |
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| 22 | # define BOOST_MP_TRY { if (true) |
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| 23 | # define BOOST_MP_CATCH(x) else if (false) |
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| 24 | # else |
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| 25 | // warning C4127: conditional expression is constant |
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| 26 | # define BOOST_MP_TRY { \ |
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| 27 | __pragma(warning(push)) \ |
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| 28 | __pragma(warning(disable: 4127)) \ |
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| 29 | if (true) \ |
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| 30 | __pragma(warning(pop)) |
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| 31 | # define BOOST_MP_CATCH(x) else \ |
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| 32 | __pragma(warning(push)) \ |
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| 33 | __pragma(warning(disable: 4127)) \ |
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| 34 | if (false) \ |
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| 35 | __pragma(warning(pop)) |
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| 36 | # endif |
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| 37 | # define BOOST_MP_RETHROW |
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| 38 | # define BOOST_MP_CATCH_END } |
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| 39 | # define BOOST_MP_THROW_EXCEPTION(x) {static_cast<void>(x);} |
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| 40 | #endif |
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| 41 | |
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| 42 | #else // Not standalone mode |
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| 43 | |
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| 44 | # include <boost/core/no_exceptions_support.hpp> |
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| 45 | # include <boost/throw_exception.hpp> |
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| 46 | |
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| 47 | # define BOOST_MP_TRY BOOST_TRY |
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| 48 | # define BOOST_MP_CATCH(x) BOOST_CATCH(x) |
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| 49 | # define BOOST_MP_RETHROW BOOST_RETHROW |
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| 50 | # define BOOST_MP_CATCH_END BOOST_CATCH_END |
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| 51 | # define BOOST_MP_THROW_EXCEPTION(x) BOOST_THROW_EXCEPTION(x) |
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| 52 | |
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| 53 | #endif // BOOST_MP_STANDALONE |
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| 54 | |
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| 55 | #endif // BOOST_MP_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP |
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| 56 | |
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