1// Copyright 2008-2022 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 BOOST_QVM_02C176D6B3AB11DE979F9A0D56D89593
7#define BOOST_QVM_02C176D6B3AB11DE979F9A0D56D89593
8
9#if defined(BOOST_QVM_TEST_SINGLE_HEADER) && !defined(BOOST_QVM_TEST_SINGLE_HEADER)
10# define BOOST_QVM_TEST_REF_WRITE_ELEMENT
11#endif
12
13#include <boost/qvm/vec_traits_defaults.hpp>
14#include <boost/qvm/deduce_vec.hpp>
15#include <boost/qvm/assert.hpp>
16#include "test_qvm.hpp"
17
18namespace
19test_qvm
20 {
21 template <class Tag,int Dim,class T=float>
22 struct
23 vector
24 {
25 T a[Dim];
26 mutable T b[Dim];
27
28 explicit
29 vector( T start=T(0), T step=T(0) )
30 {
31 for( int i=0; i!=Dim; ++i,start+=step )
32 a[i]=b[i]=start;
33 }
34 };
35
36 template <int Dim,class Tag1,class T1,class Tag2,class T2>
37 void
38 dump_ab( vector<Tag1,Dim,T1> const & a, vector<Tag2,Dim,T2> const & b )
39 {
40 detail::dump_ab(a.a,b.a);
41 }
42 }
43
44namespace boost { namespace qvm {
45
46#ifdef BOOST_QVM_TEST_REF_WRITE_ELEMENT
47
48template <class Tag,int Dim,class T>
49struct
50vec_traits< test_qvm::vector<Tag,Dim,T> >:
51 vec_traits_defaults<test_qvm::vector<Tag,Dim,T>,T,Dim>
52 {
53 typedef vec_traits_defaults<test_qvm::vector<Tag,Dim,T>,T,Dim> base;
54
55 template <int I>
56 static
57 T &
58 write_element( typename base::vec_type & v )
59 {
60 BOOST_QVM_STATIC_ASSERT(I>=0);
61 BOOST_QVM_STATIC_ASSERT(I<Dim);
62 return v.a[I];
63 }
64
65 using base::write_element_idx;
66 };
67
68#else
69
70template <class Tag,int Dim,class T>
71struct
72vec_traits< test_qvm::vector<Tag,Dim,T> >
73 {
74 typedef test_qvm::vector<Tag,Dim,T> this_vector;
75 typedef T scalar_type;
76 static int const dim=Dim;
77
78 template <int I>
79 static
80 T
81 read_element( this_vector const & v )
82 {
83 BOOST_QVM_STATIC_ASSERT(I>=0);
84 BOOST_QVM_STATIC_ASSERT(I<Dim);
85 return v.a[I];
86 }
87
88 template <int I>
89 static
90 void
91 write_element( this_vector & v, T s )
92 {
93 BOOST_QVM_STATIC_ASSERT(I>=0);
94 BOOST_QVM_STATIC_ASSERT(I<Dim);
95 v.a[I] = s;
96 }
97
98 static
99 T
100 read_element_idx( int i, this_vector const & v )
101 {
102 BOOST_QVM_ASSERT(i>=0);
103 BOOST_QVM_ASSERT(i<Dim);
104 return v.a[i];
105 }
106
107 static
108 void
109 write_element_idx( int i, this_vector & v, T s )
110 {
111 BOOST_QVM_ASSERT(i>=0);
112 BOOST_QVM_ASSERT(i<Dim);
113 v.a[i] = s;
114 }
115 };
116
117#endif
118
119template <class Tag,class T,int D1,int D2,int Dim>
120struct
121deduce_vec2<test_qvm::vector<Tag,D1,T>,test_qvm::vector<Tag,D2,T>,Dim>
122 {
123 typedef test_qvm::vector<Tag,Dim,T> type;
124 };
125
126} }
127
128namespace
129 {
130 struct V1;
131 struct V2;
132 struct V3;
133 }
134
135#endif
136

source code of boost/libs/qvm/test/test_qvm_vector.hpp