robot/include/boost/qvm/detail/quat_assign.hpp

#ifndef BOOST_QVM_DETAIL_QUAT_ASSIGN_HPP_INCLUDED
#define BOOST_QVM_DETAIL_QUAT_ASSIGN_HPP_INCLUDED

// Copyright 2008-2022 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/config.hpp>
#include <boost/qvm/enable_if.hpp>
#include <boost/qvm/quat_traits.hpp>

namespace boost { namespace qvm {

template <class A,class B>
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_OPERATIONS
typename enable_if_c<
    is_quat<A>::value && is_quat<B>::value,
    A &>::type
assign( A & a, B const & b )
    {
    write_quat_element<0>(a,quat_traits<B>::template read_element<0>(b));
    write_quat_element<1>(a,quat_traits<B>::template read_element<1>(b));
    write_quat_element<2>(a,quat_traits<B>::template read_element<2>(b));
    write_quat_element<3>(a,quat_traits<B>::template read_element<3>(b));
    return a;
    }

} }

#endif