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793 lines
18 KiB
793 lines
18 KiB
// ratio_io |
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// |
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// (C) Copyright Howard Hinnant |
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// (C) Copyright 2010 Vicente J. Botet Escriba |
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// Use, modification and distribution are subject to the Boost Software License, |
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt). |
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// |
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// This code was adapted by Vicente from Howard Hinnant's experimental work |
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// on chrono i/o under lvm/libc++ to Boost |
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#ifndef BOOST_RATIO_RATIO_IO_HPP |
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#define BOOST_RATIO_RATIO_IO_HPP |
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/* |
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ratio_io synopsis |
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#include <ratio> |
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#include <string> |
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namespace boost |
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{ |
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template <class Ratio, class CharT> |
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struct ratio_string |
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{ |
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static basic_string<CharT> short_name(); |
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static basic_string<CharT> long_name(); |
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}; |
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} // boost |
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*/ |
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#include <boost/config.hpp> |
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#include <boost/ratio/ratio.hpp> |
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#include <string> |
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#include <sstream> |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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#include <boost/ratio/ratio_static_string.hpp> |
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#include <boost/static_string/static_string.hpp> |
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#endif |
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#if defined(BOOST_NO_UNICODE_LITERALS) || defined(BOOST_NO_CHAR16_T) || defined(BOOST_NO_CHAR32_T) |
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//~ #define BOOST_RATIO_HAS_UNICODE_SUPPORT |
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#else |
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#define BOOST_RATIO_HAS_UNICODE_SUPPORT 1 |
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#endif |
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namespace boost { |
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template <class Ratio, class CharT> |
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struct ratio_string |
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{ |
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static std::basic_string<CharT> short_name() {return long_name();} |
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static std::basic_string<CharT> long_name(); |
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}; |
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template <class Ratio, class CharT> |
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std::basic_string<CharT> |
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ratio_string<Ratio, CharT>::long_name() |
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{ |
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std::basic_ostringstream<CharT> os; |
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os << CharT('[') << Ratio::num << CharT('/') |
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<< Ratio::den << CharT(']'); |
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return os.str(); |
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} |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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namespace ratio_detail { |
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template <class Ratio, class CharT> |
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struct ratio_string_static |
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{ |
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static std::string short_name() { |
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return std::basic_string<CharT>( |
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static_string::c_str< |
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typename ratio_static_string<Ratio, CharT>::short_name |
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>::value); |
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} |
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static std::string long_name() { |
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return std::basic_string<CharT>( |
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static_string::c_str< |
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typename ratio_static_string<Ratio, CharT>::long_name |
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>::value); |
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} |
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}; |
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} |
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#endif |
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// atto |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<atto, CharT> : |
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ratio_detail::ratio_string_static<atto,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<atto, char> |
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{ |
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static std::string short_name() {return std::string(1, 'a');} |
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static std::string long_name() {return std::string("atto");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<atto, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'a');} |
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static std::u16string long_name() {return std::u16string(u"atto");} |
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}; |
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template <> |
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struct ratio_string<atto, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'a');} |
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static std::u32string long_name() {return std::u32string(U"atto");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<atto, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'a');} |
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static std::wstring long_name() {return std::wstring(L"atto");} |
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}; |
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#endif |
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#endif |
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// femto |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<femto, CharT> : |
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ratio_detail::ratio_string_static<femto,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<femto, char> |
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{ |
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static std::string short_name() {return std::string(1, 'f');} |
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static std::string long_name() {return std::string("femto");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<femto, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'f');} |
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static std::u16string long_name() {return std::u16string(u"femto");} |
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}; |
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template <> |
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struct ratio_string<femto, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'f');} |
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static std::u32string long_name() {return std::u32string(U"femto");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<femto, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'f');} |
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static std::wstring long_name() {return std::wstring(L"femto");} |
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}; |
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#endif |
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#endif |
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// pico |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<pico, CharT> : |
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ratio_detail::ratio_string_static<pico,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<pico, char> |
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{ |
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static std::string short_name() {return std::string(1, 'p');} |
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static std::string long_name() {return std::string("pico");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<pico, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'p');} |
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static std::u16string long_name() {return std::u16string(u"pico");} |
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}; |
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template <> |
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struct ratio_string<pico, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'p');} |
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static std::u32string long_name() {return std::u32string(U"pico");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<pico, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'p');} |
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static std::wstring long_name() {return std::wstring(L"pico");} |
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}; |
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#endif |
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#endif |
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// nano |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<nano, CharT> : |
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ratio_detail::ratio_string_static<nano,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<nano, char> |
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{ |
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static std::string short_name() {return std::string(1, 'n');} |
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static std::string long_name() {return std::string("nano");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<nano, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'n');} |
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static std::u16string long_name() {return std::u16string(u"nano");} |
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}; |
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template <> |
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struct ratio_string<nano, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'n');} |
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static std::u32string long_name() {return std::u32string(U"nano");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<nano, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'n');} |
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static std::wstring long_name() {return std::wstring(L"nano");} |
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}; |
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#endif |
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#endif |
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// micro |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<micro, CharT> : |
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ratio_detail::ratio_string_static<micro,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<micro, char> |
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{ |
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static std::string short_name() {return std::string("\xC2\xB5");} |
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static std::string long_name() {return std::string("micro");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<micro, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'\xB5');} |
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static std::u16string long_name() {return std::u16string(u"micro");} |
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}; |
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template <> |
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struct ratio_string<micro, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'\xB5');} |
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static std::u32string long_name() {return std::u32string(U"micro");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<micro, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'\xB5');} |
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static std::wstring long_name() {return std::wstring(L"micro");} |
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}; |
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#endif |
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#endif |
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// milli |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<milli, CharT> : |
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ratio_detail::ratio_string_static<milli,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<milli, char> |
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{ |
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static std::string short_name() {return std::string(1, 'm');} |
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static std::string long_name() {return std::string("milli");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<milli, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'm');} |
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static std::u16string long_name() {return std::u16string(u"milli");} |
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}; |
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template <> |
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struct ratio_string<milli, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'm');} |
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static std::u32string long_name() {return std::u32string(U"milli");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<milli, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'm');} |
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static std::wstring long_name() {return std::wstring(L"milli");} |
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}; |
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#endif |
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#endif |
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// centi |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<centi, CharT> : |
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ratio_detail::ratio_string_static<centi,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<centi, char> |
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{ |
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static std::string short_name() {return std::string(1, 'c');} |
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static std::string long_name() {return std::string("centi");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<centi, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'c');} |
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static std::u16string long_name() {return std::u16string(u"centi");} |
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}; |
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template <> |
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struct ratio_string<centi, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'c');} |
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static std::u32string long_name() {return std::u32string(U"centi");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<centi, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'c');} |
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static std::wstring long_name() {return std::wstring(L"centi");} |
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}; |
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#endif |
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#endif |
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// deci |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<deci, CharT> : |
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ratio_detail::ratio_string_static<deci,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<deci, char> |
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{ |
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static std::string short_name() {return std::string(1, 'd');} |
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static std::string long_name() {return std::string("deci");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<deci, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'd');} |
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static std::u16string long_name() {return std::u16string(u"deci");} |
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}; |
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template <> |
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struct ratio_string<deci, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'd');} |
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static std::u32string long_name() {return std::u32string(U"deci");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<deci, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'd');} |
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static std::wstring long_name() {return std::wstring(L"deci");} |
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}; |
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#endif |
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#endif |
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// deca |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<deca, CharT> : |
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ratio_detail::ratio_string_static<deca,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<deca, char> |
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{ |
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static std::string short_name() {return std::string("da");} |
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static std::string long_name() {return std::string("deca");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<deca, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(u"da");} |
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static std::u16string long_name() {return std::u16string(u"deca");} |
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}; |
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template <> |
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struct ratio_string<deca, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(U"da");} |
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static std::u32string long_name() {return std::u32string(U"deca");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<deca, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(L"da");} |
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static std::wstring long_name() {return std::wstring(L"deca");} |
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}; |
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#endif |
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#endif |
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// hecto |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<hecto, CharT> : |
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ratio_detail::ratio_string_static<hecto,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<hecto, char> |
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{ |
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static std::string short_name() {return std::string(1, 'h');} |
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static std::string long_name() {return std::string("hecto");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<hecto, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'h');} |
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static std::u16string long_name() {return std::u16string(u"hecto");} |
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}; |
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template <> |
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struct ratio_string<hecto, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'h');} |
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static std::u32string long_name() {return std::u32string(U"hecto");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<hecto, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'h');} |
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static std::wstring long_name() {return std::wstring(L"hecto");} |
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}; |
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#endif |
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#endif |
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// kilo |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<kilo, CharT> : |
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ratio_detail::ratio_string_static<kilo,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<kilo, char> |
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{ |
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static std::string short_name() {return std::string(1, 'k');} |
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static std::string long_name() {return std::string("kilo");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<kilo, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'k');} |
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static std::u16string long_name() {return std::u16string(u"kilo");} |
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}; |
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template <> |
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struct ratio_string<kilo, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'k');} |
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static std::u32string long_name() {return std::u32string(U"kilo");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<kilo, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'k');} |
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static std::wstring long_name() {return std::wstring(L"kilo");} |
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}; |
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#endif |
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#endif |
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// mega |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<mega, CharT> : |
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ratio_detail::ratio_string_static<mega,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<mega, char> |
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{ |
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static std::string short_name() {return std::string(1, 'M');} |
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static std::string long_name() {return std::string("mega");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<mega, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'M');} |
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static std::u16string long_name() {return std::u16string(u"mega");} |
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}; |
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template <> |
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struct ratio_string<mega, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'M');} |
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static std::u32string long_name() {return std::u32string(U"mega");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<mega, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'M');} |
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static std::wstring long_name() {return std::wstring(L"mega");} |
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}; |
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#endif |
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#endif |
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// giga |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<giga, CharT> : |
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ratio_detail::ratio_string_static<giga,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<giga, char> |
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{ |
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static std::string short_name() {return std::string(1, 'G');} |
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static std::string long_name() {return std::string("giga");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<giga, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'G');} |
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static std::u16string long_name() {return std::u16string(u"giga");} |
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}; |
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template <> |
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struct ratio_string<giga, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'G');} |
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static std::u32string long_name() {return std::u32string(U"giga");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<giga, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'G');} |
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static std::wstring long_name() {return std::wstring(L"giga");} |
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}; |
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#endif |
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#endif |
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// tera |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<tera, CharT> : |
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ratio_detail::ratio_string_static<tera,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<tera, char> |
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{ |
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static std::string short_name() {return std::string(1, 'T');} |
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static std::string long_name() {return std::string("tera");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<tera, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'T');} |
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static std::u16string long_name() {return std::u16string(u"tera");} |
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}; |
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template <> |
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struct ratio_string<tera, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'T');} |
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static std::u32string long_name() {return std::u32string(U"tera");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<tera, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'T');} |
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static std::wstring long_name() {return std::wstring(L"tera");} |
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}; |
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#endif |
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#endif |
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// peta |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<peta, CharT> : |
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ratio_detail::ratio_string_static<peta,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<peta, char> |
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{ |
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static std::string short_name() {return std::string(1, 'P');} |
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static std::string long_name() {return std::string("peta");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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template <> |
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struct ratio_string<peta, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'P');} |
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static std::u16string long_name() {return std::u16string(u"peta");} |
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}; |
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template <> |
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struct ratio_string<peta, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'P');} |
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static std::u32string long_name() {return std::u32string(U"peta");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<peta, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'P');} |
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static std::wstring long_name() {return std::wstring(L"peta");} |
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}; |
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#endif |
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#endif |
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// exa |
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#ifdef BOOST_RATIO_HAS_STATIC_STRING |
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template <typename CharT> |
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struct ratio_string<exa, CharT> : |
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ratio_detail::ratio_string_static<exa,CharT> |
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{}; |
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#else |
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template <> |
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struct ratio_string<exa, char> |
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{ |
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static std::string short_name() {return std::string(1, 'E');} |
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static std::string long_name() {return std::string("exa");} |
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}; |
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#if BOOST_RATIO_HAS_UNICODE_SUPPORT |
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|
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template <> |
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struct ratio_string<exa, char16_t> |
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{ |
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static std::u16string short_name() {return std::u16string(1, u'E');} |
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static std::u16string long_name() {return std::u16string(u"exa");} |
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}; |
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template <> |
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struct ratio_string<exa, char32_t> |
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{ |
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static std::u32string short_name() {return std::u32string(1, U'E');} |
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static std::u32string long_name() {return std::u32string(U"exa");} |
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}; |
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#endif |
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#ifndef BOOST_NO_STD_WSTRING |
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template <> |
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struct ratio_string<exa, wchar_t> |
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{ |
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static std::wstring short_name() {return std::wstring(1, L'E');} |
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static std::wstring long_name() {return std::wstring(L"exa");} |
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}; |
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#endif |
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#endif |
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} |
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#endif // BOOST_RATIO_RATIO_IO_HPP
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