0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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#ifndef BOOST_QVM_DEDUCE_MAT_HPP_INCLUDED
#define BOOST_QVM_DEDUCE_MAT_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/deduce_scalar.hpp>
#include <boost/qvm/mat_traits.hpp>
#include <boost/qvm/static_assert.hpp>
namespace boost { namespace qvm {
template <class T,int Rows,int Cols>
struct mat;
namespace
qvm_detail
{
template <class M,int R,int C,class S,
int MR=mat_traits<M>::rows,
int MC=mat_traits<M>::cols,
class MS=typename mat_traits<M>::scalar_type>
struct
deduce_m_default
{
BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
typedef mat<typename mat_traits<M>::scalar_type,R,C> type;
};
template <class M,int R,int C,class S>
struct
deduce_m_default<M,R,C,S,R,C,S>
{
BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
typedef M type;
};
}
template <class M,int R=mat_traits<M>::rows,int C=mat_traits<M>::cols,class S=typename mat_traits<M>::scalar_type>
struct
deduce_mat
{
BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
typedef typename qvm_detail::deduce_m_default<M,R,C,S>::type type;
};
namespace
qvm_detail
{
template <class A,class B,int R,int C,class S,
bool IsScalarA=is_scalar<A>::value,
bool IsScalarB=is_scalar<B>::value>
struct
deduce_m2_default
{
typedef mat<S,R,C> type;
};
template <class M,int R,int C,class S>
struct
deduce_m2_default<M,M,R,C,S,false,false>
{
BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
typedef M type;
};
template <class A,class B,int R,int C,class S>
struct
deduce_m2_default<A,B,R,C,S,false,true>
{
BOOST_QVM_STATIC_ASSERT(is_mat<A>::value);
typedef typename deduce_mat<A,R,C,S>::type type;
};
template <class A,class B,int R,int C,class S>
struct
deduce_m2_default<A,B,R,C,S,true,false>
{
BOOST_QVM_STATIC_ASSERT(is_mat<B>::value);
typedef typename deduce_mat<B,R,C,S>::type type;
};
}
template <class A,class B,int R,int C,class S=typename deduce_scalar<typename scalar<A>::type,typename scalar<B>::type>::type>
struct
deduce_mat2
{
BOOST_QVM_STATIC_ASSERT(is_mat<A>::value || is_mat<B>::value);
typedef typename qvm_detail::deduce_m2_default<A,B,R,C,S>::type type;
};
} }
#endif
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