| 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 | #ifdef BOOST_QVM_TEST_SINGLE_HEADER |
| 7 | # include BOOST_QVM_TEST_SINGLE_HEADER |
| 8 | #else |
| 9 | # include <boost/qvm/deduce_quat.hpp> |
| 10 | #endif |
| 11 | |
| 12 | template <class T,class U> |
| 13 | struct same_type; |
| 14 | |
| 15 | template <class T> |
| 16 | struct |
| 17 | same_type<T,T> |
| 18 | { |
| 19 | }; |
| 20 | |
| 21 | template <class A,class B,class Result> |
| 22 | struct |
| 23 | check |
| 24 | { |
| 25 | same_type<typename boost::qvm::deduce_quat2<A,B>::type,Result> a; |
| 26 | same_type<typename boost::qvm::deduce_quat2<B,A>::type,Result> b; |
| 27 | }; |
| 28 | |
| 29 | template <class T> struct q1; |
| 30 | template <class T> struct q2; |
| 31 | |
| 32 | namespace |
| 33 | boost |
| 34 | { |
| 35 | namespace |
| 36 | qvm |
| 37 | { |
| 38 | template <class T> |
| 39 | struct |
| 40 | quat_traits< q1<T> > |
| 41 | { |
| 42 | typedef T scalar_type; |
| 43 | }; |
| 44 | |
| 45 | template <class T> |
| 46 | struct |
| 47 | quat_traits< q2<T> > |
| 48 | { |
| 49 | typedef T scalar_type; |
| 50 | }; |
| 51 | |
| 52 | template <class S,class Q2S> |
| 53 | struct |
| 54 | deduce_quat<q2<Q2S>,S> |
| 55 | { |
| 56 | typedef q2<S> type; |
| 57 | }; |
| 58 | |
| 59 | template <class S,class AS,class BS> |
| 60 | struct |
| 61 | deduce_quat2<q2<AS>,q2<BS>,S> |
| 62 | { |
| 63 | typedef q2<S> type; |
| 64 | }; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | int |
| 69 | main() |
| 70 | { |
| 71 | same_type< boost::qvm::deduce_quat< q1<int> >::type, q1<int> >(); |
| 72 | check< q1<int>, q1<int>, q1<int> >(); |
| 73 | |
| 74 | same_type< boost::qvm::deduce_quat< q2<int> >::type, q2<int> >(); |
| 75 | same_type< boost::qvm::deduce_quat< q2<int> >::type, q2<int> >(); |
| 76 | check< q2<int>, q2<int>, q2<int> >(); |
| 77 | check< q2<int>, q2<float>, q2<float> >(); |
| 78 | } |
| 79 | |