qvm/test/test_qvm_quaternion.hpp

81 lines
1.9 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)
#ifndef UUID_EF9152E42E4711DFB699737156D89593
#define UUID_EF9152E42E4711DFB699737156D89593
#include <boost/qvm/quat_traits_defaults.hpp>
#include <boost/qvm/deduce_quat.hpp>
#include <boost/qvm/assert.hpp>
#include "test_qvm.hpp"
namespace
test_qvm
{
template <class Tag,class T=float>
struct
quaternion
{
T a[4];
mutable T b[4];
explicit
quaternion( T start=T(0), T step=T(0) )
{
for( int i=0; i!=4; ++i,start+=step )
a[i]=b[i]=start;
}
};
template <class Tag1,class T1,class Tag2,class T2>
void
dump_ab( quaternion<Tag1,T1> const & a, quaternion<Tag2,T2> const & b )
{
detail::dump_ab(a.a,b.a);
}
}
namespace
boost
{
namespace
qvm
{
template <class Tag,class T>
struct
quat_traits< test_qvm::quaternion<Tag,T> >:
quat_traits_defaults<test_qvm::quaternion<Tag,T>,T>
{
typedef quat_traits_defaults<test_qvm::quaternion<Tag,T>,T> base;
template <int I>
static
typename base::scalar_type &
write_element( typename base::quat_type & m )
{
BOOST_QVM_STATIC_ASSERT(I>=0);
BOOST_QVM_STATIC_ASSERT(I<4);
return m.a[I];
}
};
template <class Tag,class T>
struct
deduce_quat2<test_qvm::quaternion<Tag,T>,test_qvm::quaternion<Tag,T> >
{
typedef test_qvm::quaternion<Tag,T> type;
};
}
}
namespace
{
struct Q1;
struct Q2;
struct Q3;
}
#endif