//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