projects / ceph.git / blame
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|---|---|---|
| 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_49C5A1042AEF11DF9603880056D89593 | |
| 7 | #define UUID_49C5A1042AEF11DF9603880056D89593 | |
| 8 | ||
| 9 | #include <boost/qvm/inline.hpp> | |
| 10 | #include <boost/qvm/assert.hpp> | |
| 11 | #include <boost/qvm/static_assert.hpp> | |
| 12 | ||
| 13 | namespace | |
| 14 | boost | |
| 15 | { | |
| 16 | namespace | |
| 17 | qvm | |
| 18 | { | |
| 19 | template <class T> | |
| 20 | struct | |
| 21 | quat | |
| 22 | { | |
| 23 | T a[4]; | |
| 24 | template <class R> | |
| 25 | operator R() const | |
| 26 | { | |
| 27 | R r; | |
| 28 | assign(r,*this); | |
| 29 | return r; | |
| 30 | } | |
| 31 | }; | |
| 32 | ||
| 33 | template <class Q> | |
| 34 | struct quat_traits; | |
| 35 | ||
| 36 | template <class T> | |
| 37 | struct | |
| 38 | quat_traits< quat<T> > | |
| 39 | { | |
| 40 | typedef quat<T> this_quaternion; | |
| 41 | typedef T scalar_type; | |
| 42 | ||
| 43 | template <int I> | |
| 44 | static | |
| 45 | BOOST_QVM_INLINE_CRITICAL | |
| 46 | scalar_type | |
| 47 | read_element( this_quaternion const & x ) | |
| 48 | { | |
| 49 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
| 50 | BOOST_QVM_STATIC_ASSERT(I<4); | |
| 51 | return x.a[I]; | |
| 52 | } | |
| 53 | ||
| 54 | template <int I> | |
| 55 | static | |
| 56 | BOOST_QVM_INLINE_CRITICAL | |
| 57 | scalar_type & | |
| 58 | write_element( this_quaternion & x ) | |
| 59 | { | |
| 60 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
| 61 | BOOST_QVM_STATIC_ASSERT(I<4); | |
| 62 | return x.a[I]; | |
| 63 | } | |
| 64 | }; | |
| 65 | } | |
| 66 | } | |
| 67 | ||
| 68 | #endif |