diff options
Diffstat (limited to 'boost/qvm/quat_access.hpp')
| -rw-r--r-- | boost/qvm/quat_access.hpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/boost/qvm/quat_access.hpp b/boost/qvm/quat_access.hpp new file mode 100644 index 0000000000..fe69b29cb1 --- /dev/null +++ b/boost/qvm/quat_access.hpp @@ -0,0 +1,128 @@ +//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_8AC84A2217C411E0A7AF3A1BDFD72085
+#define UUID_8AC84A2217C411E0A7AF3A1BDFD72085
+
+#include <boost/qvm/inline.hpp>
+#include <boost/qvm/quat_traits.hpp>
+#include <boost/qvm/deduce_vec.hpp>
+#include <boost/qvm/static_assert.hpp>
+#include <boost/qvm/enable_if.hpp>
+
+namespace
+boost
+ {
+ namespace
+ qvm
+ {
+ ////////////////////////////////////////////////
+
+ namespace
+ qvm_detail
+ {
+ template <class Q>
+ struct
+ quat_v_
+ {
+ template <class R>
+ operator R() const
+ {
+ R r;
+ assign(r,*this);
+ return r;
+ }
+
+ private:
+
+ quat_v_( quat_v_ const & );
+ quat_v_ const & operator=( quat_v_ const & );
+ ~quat_v_();
+ };
+ }
+
+ template <class V>
+ struct vec_traits;
+
+ template <class Q>
+ struct
+ vec_traits< qvm_detail::quat_v_<Q> >
+ {
+ typedef qvm_detail::quat_v_<Q> this_vector;
+ typedef typename quat_traits<Q>::scalar_type scalar_type;
+ static int const dim=3;
+
+ template <int I>
+ BOOST_QVM_INLINE_CRITICAL
+ static
+ scalar_type
+ read_element( this_vector const & q )
+ {
+ BOOST_QVM_STATIC_ASSERT(I>=0);
+ BOOST_QVM_STATIC_ASSERT(I<dim);
+ return quat_traits<Q>::template read_element<I+1>( reinterpret_cast<Q const &>(q) );
+ }
+
+ template <int I>
+ BOOST_QVM_INLINE_CRITICAL
+ static
+ scalar_type &
+ write_element( this_vector & q )
+ {
+ BOOST_QVM_STATIC_ASSERT(I>=0);
+ BOOST_QVM_STATIC_ASSERT(I<dim);
+ return quat_traits<Q>::template write_element<I+1>( reinterpret_cast<Q &>(q) );
+ }
+ };
+
+ template <class Q,int D>
+ struct
+ deduce_vec<qvm_detail::quat_v_<Q>,D>
+ {
+ typedef vec<typename quat_traits<Q>::scalar_type,D> type;
+ };
+
+ template <class Q,int D>
+ struct
+ deduce_vec2<qvm_detail::quat_v_<Q>,qvm_detail::quat_v_<Q>,D>
+ {
+ typedef vec<typename quat_traits<Q>::scalar_type,D> type;
+ };
+
+ template <class Q>
+ BOOST_QVM_INLINE_TRIVIAL
+ typename enable_if_c<
+ is_quat<Q>::value,
+ qvm_detail::quat_v_<Q> const &>::type
+ V( Q const & a )
+ {
+ return reinterpret_cast<qvm_detail::quat_v_<Q> const &>(a);
+ }
+
+ template <class Q>
+ BOOST_QVM_INLINE_TRIVIAL
+ typename enable_if_c<
+ is_quat<Q>::value,
+ qvm_detail::quat_v_<Q> &>::type
+ V( Q & a )
+ {
+ return reinterpret_cast<qvm_detail::quat_v_<Q> &>(a);
+ }
+
+ 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); }
+ 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); }
+ 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); }
+ 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); }
+
+ 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); }
+ 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); }
+ 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); }
+ 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); }
+
+ ////////////////////////////////////////////////
+ }
+ }
+
+#endif
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