0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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#ifndef BOOST_QVM_MAT_HPP_INCLUDED
#define BOOST_QVM_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/detail/mat_assign.hpp>
#include <boost/qvm/assert.hpp>
#include <boost/qvm/static_assert.hpp>
namespace boost { namespace qvm {
template <class T,int Rows,int Cols>
struct
mat
{
T a[Rows][Cols];
template <class R
#if __cplusplus >= 201103L
, class = typename enable_if<is_mat<R> >::type
#endif
>
operator R() const
{
R r;
assign(r,*this);
return r;
}
};
template <class M>
struct mat_traits;
template <class T,int Rows,int Cols>
struct
mat_traits< mat<T,Rows,Cols> >
{
typedef mat<T,Rows,Cols> this_matrix;
typedef T scalar_type;
static int const rows=Rows;
static int const cols=Cols;
template <int Row,int Col>
static
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
scalar_type
read_element( this_matrix const & x )
{
BOOST_QVM_STATIC_ASSERT(Row>=0);
BOOST_QVM_STATIC_ASSERT(Row<rows);
BOOST_QVM_STATIC_ASSERT(Col>=0);
BOOST_QVM_STATIC_ASSERT(Col<cols);
return x.a[Row][Col];
}
template <int Row,int Col>
static
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
scalar_type &
write_element( this_matrix & x )
{
BOOST_QVM_STATIC_ASSERT(Row>=0);
BOOST_QVM_STATIC_ASSERT(Row<rows);
BOOST_QVM_STATIC_ASSERT(Col>=0);
BOOST_QVM_STATIC_ASSERT(Col<cols);
return x.a[Row][Col];
}
static
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
scalar_type
read_element_idx( int row, int col, this_matrix const & x )
{
BOOST_QVM_ASSERT(row>=0);
BOOST_QVM_ASSERT(row<Rows);
BOOST_QVM_ASSERT(col>=0);
BOOST_QVM_ASSERT(col<Cols);
return x.a[row][col];
}
static
BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
scalar_type &
write_element_idx( int row, int col, this_matrix & x )
{
BOOST_QVM_ASSERT(row>=0);
BOOST_QVM_ASSERT(row<Rows);
BOOST_QVM_ASSERT(col>=0);
BOOST_QVM_ASSERT(col<Cols);
return x.a[row][col];
}
};
} }
#endif
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