ceph/src/boost/libs/qvm/test/inverse_q_test.cpp

   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 #include <boost/qvm/quat_operations.hpp>
   7 #include <boost/qvm/quat.hpp>
   8 #include <boost/exception/diagnostic_information.hpp>
   9 #include "test_qvm_quaternion.hpp"
  10 #include "test_qvm.hpp"
  11
  12 namespace
  13     {
  14     template <class T,class U> struct same_type_tester;
  15     template <class T> struct same_type_tester<T,T> { };
  16     template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
  17
  18     void
  19     test()
  20         {
  21         using namespace boost::qvm;
  22         test_qvm::quaternion<Q1> x=rotx_quat(4.2f);
  23         test_same_type(x,inverse(x));
  24         test_qvm::quaternion<Q1> y=rotx_quat(-4.2f);
  25             {
  26             test_qvm::quaternion<Q1> z=inverse(x);
  27             BOOST_QVM_TEST_CLOSE_QUAT(z.a,y.a,0.00001f);
  28             }
  29             {
  30             test_qvm::quaternion<Q1> z=inverse(qref(x));
  31             BOOST_QVM_TEST_CLOSE_QUAT(z.a,y.a,0.00001f);
  32             }
  33         }
  34     }
  35
  36 int
  37 main()
  38     {
  39     test();
  40     return boost::report_errors();
  41     }