95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
#ifndef BOOST_QVM_MAT_HPP_INCLUDED
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#define BOOST_QVM_MAT_HPP_INCLUDED
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/// Copyright (c) 2008-2021 Emil Dotchevski and Reverge Studios, Inc.
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/// Distributed under the Boost Software License, Version 1.0. (See accompanying
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/// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/qvm/detail/mat_assign.hpp>
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#include <boost/qvm/assert.hpp>
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#include <boost/qvm/static_assert.hpp>
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namespace boost { namespace qvm {
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template <class T,int Rows,int Cols>
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struct
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mat
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{
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T a[Rows][Cols];
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template <class R>
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operator R() const
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{
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R r;
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assign(r,*this);
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return r;
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}
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};
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template <class M>
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struct mat_traits;
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template <class T,int Rows,int Cols>
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struct
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mat_traits< mat<T,Rows,Cols> >
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{
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typedef mat<T,Rows,Cols> this_matrix;
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typedef T scalar_type;
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static int const rows=Rows;
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static int const cols=Cols;
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template <int Row,int Col>
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type
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read_element( this_matrix const & x )
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{
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BOOST_QVM_STATIC_ASSERT(Row>=0);
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BOOST_QVM_STATIC_ASSERT(Row<Rows);
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BOOST_QVM_STATIC_ASSERT(Col>=0);
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BOOST_QVM_STATIC_ASSERT(Col<Cols);
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return x.a[Row][Col];
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}
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template <int Row,int Col>
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type &
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write_element( this_matrix & x )
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{
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BOOST_QVM_STATIC_ASSERT(Row>=0);
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BOOST_QVM_STATIC_ASSERT(Row<Rows);
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BOOST_QVM_STATIC_ASSERT(Col>=0);
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BOOST_QVM_STATIC_ASSERT(Col<Cols);
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return x.a[Row][Col];
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}
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type
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read_element_idx( int row, int col, this_matrix const & x )
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{
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BOOST_QVM_ASSERT(row>=0);
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BOOST_QVM_ASSERT(row<Rows);
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BOOST_QVM_ASSERT(col>=0);
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BOOST_QVM_ASSERT(col<Cols);
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return x.a[row][col];
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}
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static
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BOOST_QVM_INLINE_CRITICAL
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scalar_type &
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write_element_idx( int row, int col, this_matrix & x )
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{
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BOOST_QVM_ASSERT(row>=0);
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BOOST_QVM_ASSERT(row<Rows);
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BOOST_QVM_ASSERT(col>=0);
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BOOST_QVM_ASSERT(col<Cols);
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return x.a[row][col];
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}
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};
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} }
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#endif
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