boost/qvm/vec_access.hpp

0001 #ifndef BOOST_QVM_VEC_ACCESS_HPP_INCLUDED
0002 #define BOOST_QVM_VEC_ACCESS_HPP_INCLUDED
0003
0004 // Copyright 2008-2024 Emil Dotchevski and Reverge Studios, Inc.
0005 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0006 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0007
0008 #include <boost/qvm/vec_traits.hpp>
0009 #include <boost/qvm/config.hpp>
0010 #include <boost/qvm/static_assert.hpp>
0011 #include <boost/qvm/enable_if.hpp>
0012
0013 namespace boost { namespace qvm {
0014
0015 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type X( V const & a ) { BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return vec_traits<V>::template read_element<0>(a); }
0016 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type Y( V const & a ) { BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return vec_traits<V>::template read_element<1>(a); }
0017 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type Z( V const & a ) { BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return vec_traits<V>::template read_element<2>(a); }
0018 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type W( V const & a ) { BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return vec_traits<V>::template read_element<3>(a); }
0019
0020 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A0( V const & a ) { BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return vec_traits<V>::template read_element<0>(a); }
0021 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A1( V const & a ) { BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return vec_traits<V>::template read_element<1>(a); }
0022 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A2( V const & a ) { BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return vec_traits<V>::template read_element<2>(a); }
0023 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A3( V const & a ) { BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return vec_traits<V>::template read_element<3>(a); }
0024 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A4( V const & a ) { BOOST_QVM_STATIC_ASSERT(4<vec_traits<V>::dim); return vec_traits<V>::template read_element<4>(a); }
0025 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A5( V const & a ) { BOOST_QVM_STATIC_ASSERT(5<vec_traits<V>::dim); return vec_traits<V>::template read_element<5>(a); }
0026 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A6( V const & a ) { BOOST_QVM_STATIC_ASSERT(6<vec_traits<V>::dim); return vec_traits<V>::template read_element<6>(a); }
0027 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A7( V const & a ) { BOOST_QVM_STATIC_ASSERT(7<vec_traits<V>::dim); return vec_traits<V>::template read_element<7>(a); }
0028 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A8( V const & a ) { BOOST_QVM_STATIC_ASSERT(8<vec_traits<V>::dim); return vec_traits<V>::template read_element<8>(a); }
0029 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value,typename vec_traits<V>::scalar_type>::type A9( V const & a ) { BOOST_QVM_STATIC_ASSERT(9<vec_traits<V>::dim); return vec_traits<V>::template read_element<9>(a); }
0030
0031 namespace
0032 qvm_detail
0033     {
0034     template <int I,class V>
0035     struct
0036     v_element_access
0037         {
0038         BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
0039         void
0040         operator=( typename vec_traits<V>::scalar_type s )
0041             {
0042             vec_traits<V>::template write_element<I>(*reinterpret_cast<V *>(this), s);
0043             }
0044
0045         BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
0046         operator typename vec_traits<V>::scalar_type() const
0047             {
0048             return vec_traits<V>::template read_element<I>(*reinterpret_cast<V const *>(this));
0049             }
0050         };
0051     }
0052
0053 template <int I,class V>
0054 BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL
0055 typename enable_if_c<
0056     is_vec<V>::value,
0057     typename vec_traits<V>::scalar_type>::type
0058 A( V const & a )
0059     {
0060     BOOST_QVM_STATIC_ASSERT(I>=0);
0061     BOOST_QVM_STATIC_ASSERT(I<vec_traits<V>::dim);
0062     return vec_traits<V>::template read_element<I>(a);
0063     }
0064
0065 template <int I,class V>
0066 BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL
0067 typename enable_if_c<
0068     is_vec<V>::value && vec_write_element_ref<V>::value,
0069     typename vec_traits<V>::scalar_type &>::type
0070 A( V & a )
0071     {
0072     BOOST_QVM_STATIC_ASSERT(I>=0);
0073     BOOST_QVM_STATIC_ASSERT(I<vec_traits<V>::dim);
0074     return vec_traits<V>::template write_element<I>(a);
0075     }
0076
0077 template <int I,class V>
0078 BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL
0079 typename enable_if_c<
0080     is_vec<V>::value && !vec_write_element_ref<V>::value,
0081     qvm_detail::v_element_access<I,V> &>::type
0082 A( V & a )
0083     {
0084     BOOST_QVM_STATIC_ASSERT(I>=0);
0085     BOOST_QVM_STATIC_ASSERT(I<vec_traits<V>::dim);
0086     return *reinterpret_cast<qvm_detail::v_element_access<I,V> *>(&a);
0087     }
0088
0089 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type X( V & a ) { BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return vec_traits<V>::template write_element<0>(a); }
0090 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type Y( V & a ) { BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return vec_traits<V>::template write_element<1>(a); }
0091 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type Z( V & a ) { BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return vec_traits<V>::template write_element<2>(a); }
0092 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type W( V & a ) { BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return vec_traits<V>::template write_element<3>(a); }
0093
0094 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A0( V & a ) {  BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return vec_traits<V>::template write_element<0>(a); }
0095 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A1( V & a ) {  BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return vec_traits<V>::template write_element<1>(a); }
0096 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A2( V & a ) {  BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return vec_traits<V>::template write_element<2>(a); }
0097 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A3( V & a ) {  BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return vec_traits<V>::template write_element<3>(a); }
0098 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A4( V & a ) {  BOOST_QVM_STATIC_ASSERT(4<vec_traits<V>::dim); return vec_traits<V>::template write_element<4>(a); }
0099 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A5( V & a ) {  BOOST_QVM_STATIC_ASSERT(5<vec_traits<V>::dim); return vec_traits<V>::template write_element<5>(a); }
0100 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A6( V & a ) {  BOOST_QVM_STATIC_ASSERT(6<vec_traits<V>::dim); return vec_traits<V>::template write_element<6>(a); }
0101 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A7( V & a ) {  BOOST_QVM_STATIC_ASSERT(7<vec_traits<V>::dim); return vec_traits<V>::template write_element<7>(a); }
0102 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A8( V & a ) {  BOOST_QVM_STATIC_ASSERT(8<vec_traits<V>::dim); return vec_traits<V>::template write_element<8>(a); }
0103 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && vec_write_element_ref<V>::value,typename vec_traits<V>::scalar_type &>::type A9( V & a ) {  BOOST_QVM_STATIC_ASSERT(9<vec_traits<V>::dim); return vec_traits<V>::template write_element<9>(a); }
0104
0105 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<0,V> &>::type X( V & a ) { BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<0, V> *>(&a); }
0106 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<1,V> &>::type Y( V & a ) { BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<1, V> *>(&a); }
0107 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<2,V> &>::type Z( V & a ) { BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<2, V> *>(&a); }
0108 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<3,V> &>::type W( V & a ) { BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<3, V> *>(&a); }
0109
0110 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<0,V> &>::type A0( V & a ) {  BOOST_QVM_STATIC_ASSERT(0<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<0, V> *>(&a); }
0111 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<1,V> &>::type A1( V & a ) {  BOOST_QVM_STATIC_ASSERT(1<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<1, V> *>(&a); }
0112 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<2,V> &>::type A2( V & a ) {  BOOST_QVM_STATIC_ASSERT(2<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<2, V> *>(&a); }
0113 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<3,V> &>::type A3( V & a ) {  BOOST_QVM_STATIC_ASSERT(3<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<3, V> *>(&a); }
0114 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<4,V> &>::type A4( V & a ) {  BOOST_QVM_STATIC_ASSERT(4<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<4, V> *>(&a); }
0115 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<5,V> &>::type A5( V & a ) {  BOOST_QVM_STATIC_ASSERT(5<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<5, V> *>(&a); }
0116 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<6,V> &>::type A6( V & a ) {  BOOST_QVM_STATIC_ASSERT(6<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<6, V> *>(&a); }
0117 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<7,V> &>::type A7( V & a ) {  BOOST_QVM_STATIC_ASSERT(7<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<7, V> *>(&a); }
0118 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<8,V> &>::type A8( V & a ) {  BOOST_QVM_STATIC_ASSERT(8<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<8, V> *>(&a); }
0119 template <class V> BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_vec<V>::value && !vec_write_element_ref<V>::value,qvm_detail::v_element_access<9,V> &>::type A9( V & a ) {  BOOST_QVM_STATIC_ASSERT(9<vec_traits<V>::dim); return *reinterpret_cast<qvm_detail::v_element_access<9, V> *>(&a); }
0120
0121 } }
0122
0123 #endif