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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_7E7AB138196311E0907B246CDFD72085 | |
7 | #define UUID_7E7AB138196311E0907B246CDFD72085 | |
8 | ||
9 | #include <boost/qvm/deduce_scalar.hpp> | |
10 | #include <boost/qvm/vec_traits.hpp> | |
11 | #include <boost/qvm/static_assert.hpp> | |
12 | ||
13 | namespace | |
14 | boost | |
15 | { | |
16 | namespace | |
17 | qvm | |
18 | { | |
19 | template <class T,int D> | |
20 | struct vec; | |
21 | ||
22 | namespace | |
23 | qvm_detail | |
24 | { | |
25 | template <class V,int D, | |
26 | int VD=vec_traits<V>::dim> | |
27 | struct | |
28 | deduce_vec_default | |
29 | { | |
30 | typedef vec<typename vec_traits<V>::scalar_type,D> type; | |
31 | }; | |
32 | ||
33 | template <class V,int D> | |
34 | struct | |
35 | deduce_vec_default<V,D,D> | |
36 | { | |
37 | typedef V type; | |
38 | }; | |
39 | } | |
40 | ||
41 | template <class V,int Dim=vec_traits<V>::dim> | |
42 | struct | |
43 | deduce_vec | |
44 | { | |
45 | BOOST_QVM_STATIC_ASSERT(is_vec<V>::value); | |
46 | typedef typename qvm_detail::deduce_vec_default<V,Dim>::type type; | |
47 | }; | |
48 | ||
49 | namespace | |
50 | qvm_detail | |
51 | { | |
52 | template <class A,class B,int D, | |
53 | bool VA=is_vec<A>::value, | |
54 | bool VB=is_vec<B>::value, | |
55 | int AD=vec_traits<A>::dim, | |
56 | int BD=vec_traits<B>::dim> | |
57 | struct | |
58 | deduce_v2_default | |
59 | { | |
60 | typedef vec< | |
61 | typename deduce_scalar< | |
62 | typename scalar<A>::type, | |
63 | typename scalar<B>::type>::type, | |
64 | D> type; | |
65 | }; | |
66 | ||
67 | template <class V,int D> | |
68 | struct | |
69 | deduce_v2_default<V,V,D,true,true,D,D> | |
70 | { | |
71 | typedef V type; | |
72 | }; | |
73 | } | |
74 | ||
75 | template <class A,class B,int D> | |
76 | struct | |
77 | deduce_vec2 | |
78 | { | |
79 | BOOST_QVM_STATIC_ASSERT(is_vec<A>::value || is_vec<B>::value); | |
80 | typedef typename qvm_detail::deduce_v2_default<A,B,D>::type type; | |
81 | }; | |
82 | } | |
83 | } | |
84 | ||
85 | #endif |