ceph/src/boost/boost/qvm/quat_traits.hpp

   1 //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
   2
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef UUID_EF321CBE275911E084A4550FDFD72085
   7 #define UUID_EF321CBE275911E084A4550FDFD72085
   8
   9 namespace
  10 boost
  11     {
  12     namespace
  13     qvm
  14         {
  15         template <class Q>
  16         struct
  17         quat_traits
  18             {
  19             typedef void scalar_type;
  20             };
  21
  22         namespace
  23         is_quaternion_detail
  24             {
  25             template <class>
  26             struct
  27             is_void
  28                 {
  29                 static bool const value=false;
  30                 };
  31
  32             template <>
  33             struct
  34             is_void<void>
  35                 {
  36                 static bool const value=true;
  37                 };
  38             }
  39
  40         template <class T>
  41         struct
  42         is_quat
  43             {
  44             static bool const value=!is_quaternion_detail::is_void<typename quat_traits<T>::scalar_type>::value;
  45             };
  46         }
  47     }
  48
  49 #endif