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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
14namespace
15boost
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