vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/qvm/detail/transp_impl.hpp

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4.4 KiB
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//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_B3B8081A277711E09E007F2DDFD72085
#define UUID_B3B8081A277711E09E007F2DDFD72085
#include <boost/qvm/deduce_mat.hpp>
#include <boost/qvm/static_assert.hpp>
#include <boost/qvm/assert.hpp>
namespace
boost
{
namespace
qvm
{
namespace
qvm_detail
{
template <class OriginalMatrix>
class
transposed_
{
transposed_( transposed_ const & );
transposed_ & operator=( transposed_ const & );
~transposed_();
public:
template <class T>
BOOST_QVM_INLINE_TRIVIAL
transposed_ &
operator=( T const & x )
{
assign(*this,x);
return *this;
}
template <class R>
BOOST_QVM_INLINE_TRIVIAL
operator R() const
{
R r;
assign(r,*this);
return r;
}
};
}
template <class OriginalMatrix>
struct
mat_traits< qvm_detail::transposed_<OriginalMatrix> >
{
typedef typename mat_traits<OriginalMatrix>::scalar_type scalar_type;
typedef qvm_detail::transposed_<OriginalMatrix> this_matrix;
static int const rows=mat_traits<OriginalMatrix>::cols;
static int const cols=mat_traits<OriginalMatrix>::rows;
template <int Row,int Col>
static
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 mat_traits<OriginalMatrix>::template read_element<Col,Row>(reinterpret_cast<OriginalMatrix const &>(x));
}
template <int Row,int Col>
static
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 mat_traits<OriginalMatrix>::template write_element<Col,Row>(reinterpret_cast<OriginalMatrix &>(x));
}
static
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 mat_traits<OriginalMatrix>::read_element_idx(col,row,reinterpret_cast<OriginalMatrix const &>(x));
}
static
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 mat_traits<OriginalMatrix>::write_element_idx(col,row,reinterpret_cast<OriginalMatrix &>(x));
}
};
template <class OriginalMatrix,int R,int C>
struct
deduce_mat<qvm_detail::transposed_<OriginalMatrix>,R,C>
{
typedef mat<typename mat_traits<OriginalMatrix>::scalar_type,R,C> type;
};
template <class OriginalMatrix,int R,int C>
struct
deduce_mat2<qvm_detail::transposed_<OriginalMatrix>,qvm_detail::transposed_<OriginalMatrix>,R,C>
{
typedef mat<typename mat_traits<OriginalMatrix>::scalar_type,R,C> type;
};
}
}
#endif