//Copyright (c) 2008-2016 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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#ifndef BOOST_QVM_6D6B1EE2119A11E291554FEE6188709B
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#define BOOST_QVM_6D6B1EE2119A11E291554FEE6188709B
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#include <boost/qvm/inline.hpp>
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#include <boost/qvm/deduce_quat.hpp>
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#include <boost/qvm/detail/remove_const.hpp>
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#include <boost/qvm/assert.hpp>
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namespace
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boost
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{
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namespace
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qvm
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{
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template <class T,int D>
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struct
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quat_traits<T[D]>
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{
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typedef void scalar_type;
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};
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template <class T,int D>
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struct
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quat_traits<T[D][4]>
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{
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typedef void scalar_type;
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};
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template <class T,int D>
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struct
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quat_traits<T[4][D]>
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{
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typedef void scalar_type;
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};
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template <class T>
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struct
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quat_traits<T[4][4]>
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{
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typedef void scalar_type;
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};
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template <class T,int M,int N>
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struct
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quat_traits<T[M][N]>
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{
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typedef void scalar_type;
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};
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template <class T>
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struct
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quat_traits<T[4]>
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{
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typedef T this_quaternion[4];
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typedef typename qvm_detail::remove_const<T>::type 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[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[I];
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}
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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_idx( int i, this_quaternion const & x )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<4);
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return x[i];
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}
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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_idx( int i, this_quaternion & x )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<4);
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return x[i];
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}
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};
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template <class T>
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struct
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deduce_quat<T[4]>
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{
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typedef quat<T> type;
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};
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template <class T>
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struct
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deduce_quat<T const[4]>
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{
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typedef quat<T> type;
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};
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template <class T1,class T2>
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struct
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deduce_quat2<T1[4],T2[4]>
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{
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typedef quat<typename deduce_scalar<T1,T2>::type> type;
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};
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template <class T>
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T (&ptr_qref( T * ptr ))[4]
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{
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return *reinterpret_cast<T (*)[4]>(ptr);
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}
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}
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}
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#endif
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