0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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#ifndef BOOST_QVM_SCALAR_TRAITS_HPP_INCLUDED
#define BOOST_QVM_SCALAR_TRAITS_HPP_INCLUDED
// Copyright 2008-2022 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)
#include <boost/qvm/quat_traits.hpp>
#include <boost/qvm/vec_traits.hpp>
#include <boost/qvm/mat_traits.hpp>
#include <boost/qvm/config.hpp>
namespace boost { namespace qvm {
template <class Scalar>
struct
scalar_traits
{
static
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
Scalar
value( int v )
{
return Scalar(v);
}
};
namespace
qvm_detail
{
template <class A,
bool IsQ=is_quat<A>::value,
bool IsV=is_vec<A>::value,
bool IsM=is_mat<A>::value,
bool IsS=is_scalar<A>::value>
struct
scalar_impl
{
typedef void type;
};
template <class A>
struct
scalar_impl<A,false,false,false,true>
{
typedef A type;
};
template <class A>
struct
scalar_impl<A,false,false,true,false>
{
typedef typename mat_traits<A>::scalar_type type;
};
template <class A>
struct
scalar_impl<A,false,true,false,false>
{
typedef typename vec_traits<A>::scalar_type type;
};
template <class A>
struct
scalar_impl<A,true,false,false,false>
{
typedef typename quat_traits<A>::scalar_type type;
};
}
template <class A>
struct
scalar
{
typedef typename qvm_detail::scalar_impl<A>::type type;
};
} }
#endif
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