65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#ifndef BOOST_QVM_QUAT_HPP_INCLUDED
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#define BOOST_QVM_QUAT_HPP_INCLUDED
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/// Copyright (c) 2008-2021 Emil Dotchevski and Reverge Studios, Inc.
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/// Distributed under the Boost Software License, Version 1.0. (See accompanying
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/// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/qvm/detail/quat_assign.hpp>
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#include <boost/qvm/assert.hpp>
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#include <boost/qvm/static_assert.hpp>
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namespace boost { namespace qvm {
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template <class T>
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struct
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quat
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{
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T a[4];
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template <class R>
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operator R() const
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{
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R r;
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assign(r,*this);
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return r;
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}
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};
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template <class Q>
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struct quat_traits;
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template <class T>
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struct
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quat_traits< quat<T> >
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{
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typedef quat<T> this_quaternion;
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typedef T scalar_type;
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template <int I>
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type
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read_element( this_quaternion const & x )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<4);
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return x.a[I];
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}
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template <int I>
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type &
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write_element( this_quaternion & x )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<4);
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return x.a[I];
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}
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};
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} }
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#endif
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