79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifdef BOOST_QVM_TEST_SINGLE_HEADER
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# include BOOST_QVM_TEST_SINGLE_HEADER
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#else
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# include <boost/qvm/deduce_quat.hpp>
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#endif
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template <class T,class U>
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struct same_type;
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template <class T>
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struct
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same_type<T,T>
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{
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};
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template <class A,class B,class Result>
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struct
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check
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{
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same_type<typename boost::qvm::deduce_quat2<A,B>::type,Result> a;
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same_type<typename boost::qvm::deduce_quat2<B,A>::type,Result> b;
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};
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template <class T> struct q1;
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template <class T> struct q2;
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namespace
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boost
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{
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namespace
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qvm
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{
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template <class T>
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struct
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quat_traits< q1<T> >
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{
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typedef T scalar_type;
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};
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template <class T>
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struct
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quat_traits< q2<T> >
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{
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typedef T scalar_type;
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};
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template <class S,class Q2S>
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struct
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deduce_quat<q2<Q2S>,S>
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{
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typedef q2<S> type;
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};
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template <class S,class AS,class BS>
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struct
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deduce_quat2<q2<AS>,q2<BS>,S>
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{
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typedef q2<S> type;
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};
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}
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}
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int
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main()
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{
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same_type< boost::qvm::deduce_quat< q1<int> >::type, q1<int> >();
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check< q1<int>, q1<int>, q1<int> >();
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same_type< boost::qvm::deduce_quat< q2<int> >::type, q2<int> >();
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same_type< boost::qvm::deduce_quat< q2<int> >::type, q2<int> >();
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check< q2<int>, q2<int>, q2<int> >();
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check< q2<int>, q2<float>, q2<float> >();
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}
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