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Editing: vec_assign.hpp
//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 BOOST_QVM_185557CE385511E780ACD7B781262D2E #define BOOST_QVM_185557CE385511E780ACD7B781262D2E #include <boost/qvm/gen/vec_assign2.hpp> #include <boost/qvm/gen/vec_assign3.hpp> #include <boost/qvm/gen/vec_assign4.hpp> namespace boost { namespace qvm { namespace qvm_detail { template <int D> struct assign_vv_defined { static bool const value=false; }; template <int I,int N> struct copy_vector_elements { template <class A,class B> static void f( A & a, B const & b ) { vec_traits<A>::template write_element<I>(a)=vec_traits<B>::template read_element<I>(b); copy_vector_elements<I+1,N>::f(a,b); } }; template <int N> struct copy_vector_elements<N,N> { template <class A,class B> static void f( A &, B const & ) { } }; } template <class A,class B> inline typename boost::enable_if_c< is_vec<A>::value && is_vec<B>::value && vec_traits<A>::dim==vec_traits<B>::dim && !qvm_detail::assign_vv_defined<vec_traits<A>::dim>::value, A &>::type assign( A & a, B const & b ) { qvm_detail::copy_vector_elements<0,vec_traits<A>::dim>::f(a,b); return a; } } } #endif
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