qvm/detail/quat_assign.hpp

0001 #ifndef BOOST_QVM_DETAIL_QUAT_ASSIGN_HPP_INCLUDED
0002 #define BOOST_QVM_DETAIL_QUAT_ASSIGN_HPP_INCLUDED
0003
0004 // Copyright 2008-2022 Emil Dotchevski and Reverge Studios, Inc.
0005
0006 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0007 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/qvm/config.hpp>
0010 #include <boost/qvm/enable_if.hpp>
0011 #include <boost/qvm/quat_traits.hpp>
0012
0013 namespace boost { namespace qvm {
0014
0015 template <class A,class B>
0016 BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_OPERATIONS
0017 typename enable_if_c<
0018     is_quat<A>::value && is_quat<B>::value,
0019     A &>::type
0020 assign( A & a, B const & b )
0021     {
0022     write_quat_element<0>(a,quat_traits<B>::template read_element<0>(b));
0023     write_quat_element<1>(a,quat_traits<B>::template read_element<1>(b));
0024     write_quat_element<2>(a,quat_traits<B>::template read_element<2>(b));
0025     write_quat_element<3>(a,quat_traits<B>::template read_element<3>(b));
0026     return a;
0027     }
0028
0029 } }
0030
0031 #endif