ceph/src/boost/libs/qvm/test/minus_qq_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 "test_qvm_quaternion.hpp"
   9 #include "gold.hpp"
  10
  11 namespace
  12     {
  13     template <class T,class U> struct same_type_tester;
  14     template <class T> struct same_type_tester<T,T> { };
  15     template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
  16
  17     void
  18     test()
  19         {
  20         using namespace boost::qvm::sfinae;
  21         test_qvm::quaternion<Q1> const x(42,2);
  22             {
  23             test_qvm::quaternion<Q1> const y(42,1);
  24             test_same_type(x,x-y);
  25             test_qvm::quaternion<Q1> r=x-y;
  26             test_qvm::subtract_v(r.b,x.b,y.b);
  27             BOOST_QVM_TEST_EQ(r.a,r.b);
  28             }
  29             {
  30             test_qvm::quaternion<Q1> const y(42,1);
  31             test_qvm::quaternion<Q2> r=qref(x)-y;
  32             test_qvm::subtract_v(r.b,x.b,y.b);
  33             BOOST_QVM_TEST_EQ(r.a,r.b);
  34             }
  35             {
  36             test_qvm::quaternion<Q1> const y(42,1);
  37             test_qvm::quaternion<Q2> r=x-qref(y);
  38             test_qvm::subtract_v(r.b,x.b,y.b);
  39             BOOST_QVM_TEST_EQ(r.a,r.b);
  40             }
  41         }
  42     }
  43
  44 int
  45 main()
  46     {
  47     test();
  48     return boost::report_errors();
  49     }