ceph/src/boost/libs/qvm/test/test_qvm_quaternion.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_EF9152E42E4711DFB699737156D89593
   7 #define UUID_EF9152E42E4711DFB699737156D89593
   8
   9 #include <boost/qvm/deduce_quat.hpp>
  10 #include <boost/qvm/assert.hpp>
  11 #include "test_qvm.hpp"
  12
  13 namespace
  14 test_qvm
  15     {
  16     template <class Tag,class T=float>
  17     struct
  18     quaternion
  19         {
  20         T a[4];
  21         mutable T b[4];
  22
  23         explicit
  24         quaternion( T start=T(0), T step=T(0) )
  25             {
  26             for( int i=0; i!=4; ++i,start+=step )
  27                 a[i]=b[i]=start;
  28             }
  29         };
  30
  31     template <class Tag1,class T1,class Tag2,class T2>
  32     void
  33     dump_ab( quaternion<Tag1,T1> const & a, quaternion<Tag2,T2> const & b )
  34         {
  35         detail::dump_ab(a.a,b.a);
  36         }
  37     }
  38
  39 namespace
  40 boost
  41     {
  42     namespace
  43     qvm
  44         {
  45         template <class Tag,class T>
  46         struct
  47         quat_traits< test_qvm::quaternion<Tag,T> >
  48             {
  49             typedef T scalar_type;
  50             typedef test_qvm::quaternion<Tag,T> this_quaternion_type;
  51
  52             template <int I>
  53             static
  54             scalar_type &
  55             write_element( this_quaternion_type & m )
  56                 {
  57                 BOOST_QVM_STATIC_ASSERT(I>=0);
  58                 BOOST_QVM_STATIC_ASSERT(I<4);
  59                 return m.a[I];
  60                 }
  61
  62             template <int I>
  63             static
  64             scalar_type
  65             read_element( this_quaternion_type const & m )
  66                 {
  67                 BOOST_QVM_STATIC_ASSERT(I>=0);
  68                 BOOST_QVM_STATIC_ASSERT(I<4);
  69                 return m.a[I];
  70                 }
  71
  72             static
  73             inline
  74             scalar_type &
  75             write_element_idx( int i, this_quaternion_type & m )
  76                 {
  77                 BOOST_QVM_ASSERT(i>=0);
  78                 BOOST_QVM_ASSERT(i<4);
  79                 return m.a[i];
  80                 }
  81
  82             static
  83             inline
  84             scalar_type
  85             read_element_idx( int i, this_quaternion_type const & m )
  86                 {
  87                 BOOST_QVM_ASSERT(i>=0);
  88                 BOOST_QVM_ASSERT(i<4);
  89                 return m.a[i];
  90                 }
  91             };
  92
  93         template <class Tag,class T>
  94         struct
  95         deduce_quat2<test_qvm::quaternion<Tag,T>,test_qvm::quaternion<Tag,T> >
  96             {
  97             typedef test_qvm::quaternion<Tag,T> type;
  98             };
  99         }
 100     }
 101
 102 namespace
 103     {
 104     struct Q1;
 105     struct Q2;
 106     struct Q3;
 107     }
 108
 109 #endif