text: //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
  
  
  
  //Distributed under the Boost Software License, Version 1.0. (See accompanying
  
  //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  
  
  #include <boost/qvm/quat_operations.hpp>
  
  #include <boost/qvm/quat.hpp>
  
  #include "test_qvm_quaternion.hpp"
  
  #include "gold.hpp"
  
  
  
  namespace
  
      {
  
      template <class T,class U> struct same_type_tester;
  
      template <class T> struct same_type_tester<T,T> { };
  
      template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
  
  
  
      void
  
      test()
  
          {
  
          using namespace boost::qvm::sfinae;
  
          test_qvm::quaternion<Q1> const x(42,1);
  
          test_qvm::scalar_multiply_v(x.b,x.a,-1.0f);
  
          test_same_type(x,-x);
  
              {
  
              test_qvm::quaternion<Q1> y=-x;
  
              BOOST_QVM_TEST_EQ(x.b,y.a);
  
              }
  
              {
  
              test_qvm::quaternion<Q1> y=-qref(x);
  
              BOOST_QVM_TEST_EQ(x.b,y.a);
  
              }
  
          }
  
      }
  
  
  
  int
  
  main()
  
      {
  
      test();
  
      return boost::report_errors();
  
      }
  
  