projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. |
| 2 | ||
| 3 | //Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 4 | //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | #ifndef UUID_8AC84A2217C411E0A7AF3A1BDFD72085 | |
| 7 | #define UUID_8AC84A2217C411E0A7AF3A1BDFD72085 | |
| 8 | ||
| 9 | #include <boost/qvm/inline.hpp> | |
| 10 | #include <boost/qvm/quat_traits.hpp> | |
| 11 | #include <boost/qvm/deduce_vec.hpp> | |
| 12 | #include <boost/qvm/static_assert.hpp> | |
| 13 | #include <boost/qvm/enable_if.hpp> | |
| 14 | ||
| 15 | namespace | |
| 16 | boost | |
| 17 | { | |
| 18 | namespace | |
| 19 | qvm | |
| 20 | { | |
| 21 | //////////////////////////////////////////////// | |
| 22 | ||
| 23 | namespace | |
| 24 | qvm_detail | |
| 25 | { | |
| 26 | template <class Q> | |
| 27 | struct | |
| 28 | quat_v_ | |
| 29 | { | |
| 30 | template <class R> | |
| 31 | operator R() const | |
| 32 | { | |
| 33 | R r; | |
| 34 | assign(r,*this); | |
| 35 | return r; | |
| 36 | } | |
| 37 | ||
| 38 | private: | |
| 39 | ||
| 40 | quat_v_( quat_v_ const & ); | |
| 41 | quat_v_ const & operator=( quat_v_ const & ); | |
| 42 | ~quat_v_(); | |
| 43 | }; | |
| 44 | } | |
| 45 | ||
| 46 | template <class V> | |
| 47 | struct vec_traits; | |
| 48 | ||
| 49 | template <class Q> | |
| 50 | struct | |
| 51 | vec_traits< qvm_detail::quat_v_<Q> > | |
| 52 | { | |
| 53 | typedef qvm_detail::quat_v_<Q> this_vector; | |
| 54 | typedef typename quat_traits<Q>::scalar_type scalar_type; | |
| 55 | static int const dim=3; | |
| 56 | ||
| 57 | template <int I> | |
| 58 | BOOST_QVM_INLINE_CRITICAL | |
| 59 | static | |
| 60 | scalar_type | |
| 61 | read_element( this_vector const & q ) | |
| 62 | { | |
| 63 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
| 64 | BOOST_QVM_STATIC_ASSERT(I<dim); | |
| 65 | return quat_traits<Q>::template read_element<I+1>( reinterpret_cast<Q const &>(q) ); | |
| 66 | } | |
| 67 | ||
| 68 | template <int I> | |
| 69 | BOOST_QVM_INLINE_CRITICAL | |
| 70 | static | |
| 71 | scalar_type & | |
| 72 | write_element( this_vector & q ) | |
| 73 | { | |
| 74 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
| 75 | BOOST_QVM_STATIC_ASSERT(I<dim); | |
| 76 | return quat_traits<Q>::template write_element<I+1>( reinterpret_cast<Q &>(q) ); | |
| 77 | } | |
| 78 | }; | |
| 79 | ||
| 80 | template <class Q,int D> | |
| 81 | struct | |
| 82 | deduce_vec<qvm_detail::quat_v_<Q>,D> | |
| 83 | { | |
| 84 | typedef vec<typename quat_traits<Q>::scalar_type,D> type; | |
| 85 | }; | |
| 86 | ||
| 87 | template <class Q,int D> | |
| 88 | struct | |
| 89 | deduce_vec2<qvm_detail::quat_v_<Q>,qvm_detail::quat_v_<Q>,D> | |
| 90 | { | |
| 91 | typedef vec<typename quat_traits<Q>::scalar_type,D> type; | |
| 92 | }; | |
| 93 | ||
| 94 | template <class Q> | |
| 95 | BOOST_QVM_INLINE_TRIVIAL | |
| 96 | typename enable_if_c< | |
| 97 | is_quat<Q>::value, | |
| 98 | qvm_detail::quat_v_<Q> const &>::type | |
| 99 | V( Q const & a ) | |
| 100 | { | |
| 101 | return reinterpret_cast<qvm_detail::quat_v_<Q> const &>(a); | |
| 102 | } | |
| 103 | ||
| 104 | template <class Q> | |
| 105 | BOOST_QVM_INLINE_TRIVIAL | |
| 106 | typename enable_if_c< | |
| 107 | is_quat<Q>::value, | |
| 108 | qvm_detail::quat_v_<Q> &>::type | |
| 109 | V( Q & a ) | |
| 110 | { | |
| 111 | return reinterpret_cast<qvm_detail::quat_v_<Q> &>(a); | |
| 112 | } | |
| 113 | ||
| 114 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type S( Q const & a ) { return quat_traits<Q>::template read_element<0>(a); } | |
| 115 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type X( Q const & a ) { return quat_traits<Q>::template read_element<1>(a); } | |
| 116 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type Y( Q const & a ) { return quat_traits<Q>::template read_element<2>(a); } | |
| 117 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type>::type Z( Q const & a ) { return quat_traits<Q>::template read_element<3>(a); } | |
| 118 | ||
| 119 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type S( Q & a ) { return quat_traits<Q>::template write_element<0>(a); } | |
| 120 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type X( Q & a ) { return quat_traits<Q>::template write_element<1>(a); } | |
| 121 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type Y( Q & a ) { return quat_traits<Q>::template write_element<2>(a); } | |
| 122 | template <class Q> BOOST_QVM_INLINE_TRIVIAL typename enable_if_c<is_quat<Q>::value,typename quat_traits<Q>::scalar_type &>::type Z( Q & a ) { return quat_traits<Q>::template write_element<3>(a); } | |
| 123 | ||
| 124 | //////////////////////////////////////////////// | |
| 125 | } | |
| 126 | } | |
| 127 | ||
| 128 | #endif |