ceph/src/boost/boost/json/detail/format.hpp

   1 //
   2 // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // Official repository: https://github.com/boostorg/json
   8 //
   9
  10 #ifndef BOOST_JSON_DETAIL_FORMAT_HPP
  11 #define BOOST_JSON_DETAIL_FORMAT_HPP
  12
  13 BOOST_JSON_NS_BEGIN
  14 namespace detail {
  15
  16 int constexpr max_number_chars =
  17      1 +    // '-'
  18     19 +    // unsigned 64-bit mantissa
  19      1 +    // 'e'
  20      1 +    // '-'
  21      5;     // unsigned 16-bit exponent
  22
  23 BOOST_JSON_DECL
  24 unsigned
  25 format_uint64(
  26     char* dest,
  27     std::uint64_t value) noexcept;
  28
  29 BOOST_JSON_DECL
  30 unsigned
  31 format_int64(
  32     char* dest, int64_t i) noexcept;
  33
  34 BOOST_JSON_DECL
  35 unsigned
  36 format_double(
  37     char* dest, double d) noexcept;
  38
  39 } // detail
  40 BOOST_JSON_NS_END
  41
  42 #endif