boost/libs/qvm/test/deduce_mat_test.cpp
2021-10-05 21:37:46 +02:00

85 lines
2.3 KiB
C++

//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)
#ifdef BOOST_QVM_TEST_SINGLE_HEADER
# include BOOST_QVM_TEST_SINGLE_HEADER
#else
# include <boost/qvm/deduce_mat.hpp>
#endif
template <class T,class U>
struct same_type;
template <class T>
struct
same_type<T,T>
{
};
template <class A,class B,int R,int C,class Result>
struct
check
{
same_type<typename boost::qvm::deduce_mat2<A,B,R,C>::type,Result> a;
same_type<typename boost::qvm::deduce_mat2<B,A,R,C>::type,Result> b;
};
template <class T,int R,int C> struct m1;
template <class T,int R,int C> struct m2;
namespace
boost
{
namespace
qvm
{
template <class T,int R,int C>
struct
mat_traits< m1<T,R,C> >
{
typedef T scalar_type;
static int const rows=R;
static int const cols=C;
};
template <class T,int R,int C>
struct
mat_traits< m2<T,R,C> >
{
typedef T scalar_type;
static int const rows=R;
static int const cols=C;
};
template <int R,int C,class S,int M2R,int M2C,class M2S>
struct
deduce_mat<m2<M2S,M2R,M2C>,R,C,S>
{
typedef m2<S,R,C> type;
};
template <int R,int C,class S,class AS,int AR,int AC,class BS,int BR,int BC>
struct
deduce_mat2<m2<AS,AR,AC>,m2<BS,BR,BC>,R,C,S>
{
typedef m2<S,R,C> type;
};
}
}
int
main()
{
same_type< boost::qvm::deduce_mat< m1<int,4,2> >::type, m1<int,4,2> >();
same_type< boost::qvm::deduce_mat< m1<int,4,2>, 4, 4 >::type, boost::qvm::mat<int,4,4> >();
check< m1<int,4,2>, m1<int,4,2>, 4, 2, m1<int,4,2> >();
check< m1<int,4,2>, m1<float,4,2>, 4, 4, boost::qvm::mat<float,4,4> >();
same_type< boost::qvm::deduce_mat< m2<int,4,2> >::type, m2<int,4,2> >();
same_type< boost::qvm::deduce_mat< m2<int,4,2>, 4, 4 >::type, m2<int,4,4> >();
check< m2<int,4,2>, m2<int,4,2>, 4, 2, m2<int,4,2> >();
check< m2<int,4,2>, m2<float,4,2>, 4, 4, m2<float,4,4> >();
}