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- //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)
- #ifndef UUID_DFFD61ACC72311E6955FFF1F07624D53
- #define UUID_DFFD61ACC72311E6955FFF1F07624D53
- #include <boost/qvm/inline.hpp>
- #include <boost/qvm/assert.hpp>
- namespace
- boost
- {
- namespace
- qvm
- {
- template <class>
- struct vec_traits;
- namespace
- qvm_detail
- {
- template <int I,int N>
- struct
- vector_w
- {
- template <class A>
- static
- BOOST_QVM_INLINE_CRITICAL
- typename vec_traits<A>::scalar_type &
- write_element_idx( int i, A & a )
- {
- return I==i?
- vec_traits<A>::template write_element<I>(a) :
- vector_w<I+1,N>::write_element_idx(i,a);
- }
- };
- template <int N>
- struct
- vector_w<N,N>
- {
- template <class A>
- static
- BOOST_QVM_INLINE_TRIVIAL
- typename vec_traits<A>::scalar_type &
- write_element_idx( int, A & a )
- {
- BOOST_QVM_ASSERT(0);
- return vec_traits<A>::template write_element<0>(a);
- }
- };
- }
- template <class VecType,class ScalarType,int Dim>
- struct
- vec_traits_defaults
- {
- typedef VecType vec_type;
- typedef ScalarType scalar_type;
- static int const dim=Dim;
- template <int I>
- static
- BOOST_QVM_INLINE_CRITICAL
- scalar_type
- read_element( vec_type const & x )
- {
- return vec_traits<vec_type>::template write_element<I>(const_cast<vec_type &>(x));
- }
- static
- BOOST_QVM_INLINE_CRITICAL
- scalar_type
- read_element_idx( int i, vec_type const & x )
- {
- return vec_traits<vec_type>::write_element_idx(i,const_cast<vec_type &>(x));
- }
- protected:
- static
- BOOST_QVM_INLINE_TRIVIAL
- scalar_type &
- write_element_idx( int i, vec_type & m )
- {
- return qvm_detail::vector_w<0,vec_traits<vec_type>::dim>::write_element_idx(i,m);
- }
- };
- }
- }
- #endif
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