mirror of
https://github.com/matrix-construct/construct
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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_UTIL_FPE_H
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namespace ircd {
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inline namespace util {
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namespace fpe
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{
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struct errors_handle;
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string_view reflect_sicode(const int &);
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string_view reflect(const ushort &flag);
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string_view reflect(const mutable_buffer &, const ushort &flags);
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void throw_errors(const ushort &flags);
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std::fexcept_t set(const ushort &flag);
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}}}
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/// Perform a single floating point operation at a time within the scope
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/// of fpe::errors_handle. After each operation check the floating point
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/// unit for an error status flag and throw a C++ exception.
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struct ircd::util::fpe::errors_handle
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{
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std::fexcept_t theirs;
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public:
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ushort pending() const;
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void throw_pending() const;
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void clear_pending();
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errors_handle();
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~errors_handle() noexcept(false);
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};
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