ceph/src/boost/libs/multiprecision/test/math/table_type.hpp

   1 ///////////////////////////////////////////////////////////////
   2 //  Copyright 2012 John Maddock. Distributed under the Boost
   3 //  Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
   5
   6 #ifndef BOOST_MP_TABLE_TYPE
   7 #define BOOST_MP_TABLE_TYPE
   8
   9 #include <libs/math/test/table_type.hpp>
  10 #include <boost/multiprecision/number.hpp>
  11
  12 struct string_table_entry
  13 {
  14 private:
  15    const char* m_data;
  16 public:
  17    string_table_entry(const char* p) : m_data(p) {}
  18
  19    template <class T>
  20    operator T () const
  21    {
  22       return static_cast<T>(m_data);
  23    }
  24 };
  25
  26 inline std::ostream& operator << (std::ostream& os, string_table_entry const & what)
  27 {
  28    return os << static_cast<const char*>(what);
  29 }
  30
  31 template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates>
  32 struct table_type<boost::multiprecision::number<Backend, ExpressionTemplates> >
  33 {
  34    typedef string_table_entry type;
  35 };
  36
  37 #define SC_(x) string_table_entry(BOOST_STRINGIZE(x))
  38
  39 #endif
  40