| 1 | /////////////////////////////////////////////////////////////// |
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| 2 | // Copyright 2019 John Maddock. Distributed under the Boost |
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| 3 | // Software License, Version 1.0. (See accompanying file |
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| 4 | // LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt |
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| 5 | // |
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| 6 | // We used to use lexical_cast internally for quick conversions from integers |
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| 7 | // to strings, but that breaks if the global locale is something other than "C". |
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| 8 | // See https://github.com/boostorg/multiprecision/issues/167. |
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| 9 | // |
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| 10 | #ifndef BOOST_MP_DETAIL_ITOS_HPP |
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| 11 | #define BOOST_MP_DETAIL_ITOS_HPP |
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| 12 | |
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| 13 | namespace boost { namespace multiprecision { namespace detail { |
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| 14 | |
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| 15 | template <class Integer> |
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| 16 | std::string itos(Integer val) |
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| 17 | { |
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| 18 | if (!val) return "0" ; |
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| 19 | std::string result; |
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| 20 | bool isneg = false; |
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| 21 | if (val < 0) |
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| 22 | { |
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| 23 | val = -val; |
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| 24 | isneg = true; |
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| 25 | } |
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| 26 | while (val) |
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| 27 | { |
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| 28 | result.insert(p: result.begin(), c: char('0' + (val % 10))); |
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| 29 | val /= 10; |
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| 30 | } |
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| 31 | if (isneg) |
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| 32 | result.insert(p: result.begin(), c: '-'); |
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| 33 | return result; |
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| 34 | } |
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| 35 | |
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| 36 | |
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| 37 | }}} // namespace boost::multiprecision::detail |
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| 38 | |
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| 39 | #endif |
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| 40 | |
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