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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_6D6B1EE2119A11E291554FEE6188709B | |
7 | #define UUID_6D6B1EE2119A11E291554FEE6188709B | |
8 | ||
9 | #include <boost/qvm/inline.hpp> | |
10 | #include <boost/qvm/deduce_quat.hpp> | |
11 | #include <boost/qvm/detail/remove_const.hpp> | |
12 | #include <boost/qvm/assert.hpp> | |
13 | ||
14 | namespace | |
15 | boost | |
16 | { | |
17 | namespace | |
18 | qvm | |
19 | { | |
20 | template <class T,int D> | |
21 | struct | |
22 | quat_traits<T[D]> | |
23 | { | |
24 | typedef void scalar_type; | |
25 | }; | |
26 | template <class T,int D> | |
27 | struct | |
28 | quat_traits<T[D][4]> | |
29 | { | |
30 | typedef void scalar_type; | |
31 | }; | |
32 | template <class T,int D> | |
33 | struct | |
34 | quat_traits<T[4][D]> | |
35 | { | |
36 | typedef void scalar_type; | |
37 | }; | |
38 | template <class T> | |
39 | struct | |
40 | quat_traits<T[4][4]> | |
41 | { | |
42 | typedef void scalar_type; | |
43 | }; | |
44 | template <class T,int M,int N> | |
45 | struct | |
46 | quat_traits<T[M][N]> | |
47 | { | |
48 | typedef void scalar_type; | |
49 | }; | |
50 | ||
51 | template <class T> | |
52 | struct | |
53 | quat_traits<T[4]> | |
54 | { | |
55 | typedef T this_quaternion[4]; | |
56 | typedef typename qvm_detail::remove_const<T>::type scalar_type; | |
57 | ||
58 | template <int I> | |
59 | static | |
60 | BOOST_QVM_INLINE_CRITICAL | |
61 | scalar_type | |
62 | read_element( this_quaternion const & x ) | |
63 | { | |
64 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
65 | BOOST_QVM_STATIC_ASSERT(I<4); | |
66 | return x[I]; | |
67 | } | |
68 | ||
69 | template <int I> | |
70 | static | |
71 | BOOST_QVM_INLINE_CRITICAL | |
72 | scalar_type & | |
73 | write_element( this_quaternion & x ) | |
74 | { | |
75 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
76 | BOOST_QVM_STATIC_ASSERT(I<4); | |
77 | return x[I]; | |
78 | } | |
79 | ||
80 | static | |
81 | BOOST_QVM_INLINE_CRITICAL | |
82 | scalar_type | |
83 | read_element_idx( int i, this_quaternion const & x ) | |
84 | { | |
85 | BOOST_QVM_ASSERT(i>=0); | |
86 | BOOST_QVM_ASSERT(i<4); | |
87 | return x[i]; | |
88 | } | |
89 | ||
90 | static | |
91 | BOOST_QVM_INLINE_CRITICAL | |
92 | scalar_type & | |
93 | write_element_idx( int i, this_quaternion & x ) | |
94 | { | |
95 | BOOST_QVM_ASSERT(i>=0); | |
96 | BOOST_QVM_ASSERT(i<4); | |
97 | return x[i]; | |
98 | } | |
99 | }; | |
100 | ||
101 | template <class T> | |
102 | struct | |
103 | deduce_quat<T[4]> | |
104 | { | |
105 | typedef quat<T> type; | |
106 | }; | |
107 | ||
108 | template <class T> | |
109 | struct | |
110 | deduce_quat<T const[4]> | |
111 | { | |
112 | typedef quat<T> type; | |
113 | }; | |
114 | ||
115 | template <class T1,class T2> | |
116 | struct | |
117 | deduce_quat2<T1[4],T2[4]> | |
118 | { | |
119 | typedef quat<typename deduce_scalar<T1,T2>::type> type; | |
120 | }; | |
121 | ||
122 | template <class T> | |
123 | T (&ptr_qref( T * ptr ))[4] | |
124 | { | |
125 | return *reinterpret_cast<T (*)[4]>(ptr); | |
126 | } | |
127 | } | |
128 | } | |
129 | ||
130 | #endif |