liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
 
//Distributed under the Boost Software License, Version 1.0. (See accompanying
//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
#ifndef BOOST_QVM_EF321CBE275911E084A4550FDFD72085
#define BOOST_QVM_EF321CBE275911E084A4550FDFD72085
 
namespace
boost
    {
    namespace
    qvm
        {
        template <class Q>
        struct
        quat_traits
            {
            typedef void scalar_type;
            };
 
        namespace
        is_quaternion_detail
            {
            template <class>
            struct
            is_void
                {
                static bool const value=false;
                };
 
            template <>
            struct
            is_void<void>
                {
                static bool const value=true;
                };
            }
 
        template <class T>
        struct
        is_quat
            {
            static bool const value=!is_quaternion_detail::is_void<typename quat_traits<T>::scalar_type>::value;
            };
        }
    }
 
#endif