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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_DEC6035EA1C211DEA5E8ECB856D89593 | |
7 | #define UUID_DEC6035EA1C211DEA5E8ECB856D89593 | |
8 | ||
9 | #include <boost/qvm/inline.hpp> | |
10 | #include <boost/qvm/deduce_vec.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 M,int N> | |
21 | struct | |
22 | vec_traits<T[M][N]> | |
23 | { | |
24 | static int const dim=0; | |
25 | typedef void scalar_type; | |
26 | }; | |
27 | ||
28 | template <class T,int Dim> | |
29 | struct | |
30 | vec_traits<T[Dim]> | |
31 | { | |
32 | typedef T this_vector[Dim]; | |
33 | typedef typename qvm_detail::remove_const<T>::type scalar_type; | |
34 | static int const dim=Dim; | |
35 | ||
36 | template <int I> | |
37 | static | |
38 | BOOST_QVM_INLINE_CRITICAL | |
39 | scalar_type | |
40 | read_element( this_vector const & x ) | |
41 | { | |
42 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
43 | BOOST_QVM_STATIC_ASSERT(I<Dim); | |
44 | return x[I]; | |
45 | } | |
46 | ||
47 | template <int I> | |
48 | static | |
49 | BOOST_QVM_INLINE_CRITICAL | |
50 | scalar_type & | |
51 | write_element( this_vector & x ) | |
52 | { | |
53 | BOOST_QVM_STATIC_ASSERT(I>=0); | |
54 | BOOST_QVM_STATIC_ASSERT(I<Dim); | |
55 | return x[I]; | |
56 | } | |
57 | ||
58 | static | |
59 | BOOST_QVM_INLINE_CRITICAL | |
60 | scalar_type | |
61 | read_element_idx( int i, this_vector const & x ) | |
62 | { | |
63 | BOOST_QVM_ASSERT(i>=0); | |
64 | BOOST_QVM_ASSERT(i<Dim); | |
65 | return x[i]; | |
66 | } | |
67 | ||
68 | static | |
69 | BOOST_QVM_INLINE_CRITICAL | |
70 | scalar_type & | |
71 | write_element_idx( int i, this_vector & x ) | |
72 | { | |
73 | BOOST_QVM_ASSERT(i>=0); | |
74 | BOOST_QVM_ASSERT(i<Dim); | |
75 | return x[i]; | |
76 | } | |
77 | }; | |
78 | ||
79 | template <class T,int Dim,int D> | |
80 | struct | |
81 | deduce_vec<T[Dim],D> | |
82 | { | |
83 | typedef vec<T,D> type; | |
84 | }; | |
85 | ||
86 | template <class T,int Dim,int D> | |
87 | struct | |
88 | deduce_vec<T const[Dim],D> | |
89 | { | |
90 | typedef vec<T,D> type; | |
91 | }; | |
92 | ||
93 | template <class T1,class T2,int Dim,int D> | |
94 | struct | |
95 | deduce_vec2<T1[Dim],T2[Dim],D> | |
96 | { | |
97 | typedef vec<typename deduce_scalar<T1,T2>::type,D> type; | |
98 | }; | |
99 | ||
100 | template <int Dim,class T> | |
101 | T (&ptr_vref( T * ptr ))[Dim] | |
102 | { | |
103 | return *reinterpret_cast<T (*)[Dim]>(ptr); | |
104 | } | |
105 | } | |
106 | } | |
107 | ||
108 | #endif |