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Editing: map_vec_mat.hpp
//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 BOOST_QVM_3EDF999CA1C011DEBA5C8DA956D89593 #define BOOST_QVM_3EDF999CA1C011DEBA5C8DA956D89593 #include <boost/qvm/inline.hpp> #include <boost/qvm/deduce_mat.hpp> #include <boost/qvm/vec_traits.hpp> #include <boost/qvm/assert.hpp> #include <boost/qvm/enable_if.hpp> namespace boost { namespace qvm { //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalVector> class col_mat_ { col_mat_( col_mat_ const & ); col_mat_ & operator=( col_mat_ const & ); ~col_mat_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL col_mat_ & 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 OriginalVector> struct mat_traits< qvm_detail::col_mat_<OriginalVector> > { typedef qvm_detail::col_mat_<OriginalVector> this_matrix; typedef typename vec_traits<OriginalVector>::scalar_type scalar_type; static int const rows=vec_traits<OriginalVector>::dim; static int const cols=1; template <int Row,int Col> static BOOST_QVM_INLINE_CRITICAL scalar_type read_element( this_matrix const & x ) { BOOST_QVM_STATIC_ASSERT(Col==0); BOOST_QVM_STATIC_ASSERT(Row>=0); BOOST_QVM_STATIC_ASSERT(Row<rows); return vec_traits<OriginalVector>::template read_element<Row>(reinterpret_cast<OriginalVector const &>(x)); } template <int Row,int Col> static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element( this_matrix & x ) { BOOST_QVM_STATIC_ASSERT(Col==0); BOOST_QVM_STATIC_ASSERT(Row>=0); BOOST_QVM_STATIC_ASSERT(Row<rows); return vec_traits<OriginalVector>::template write_element<Row>(reinterpret_cast<OriginalVector &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type read_element_idx( int row, int col, this_matrix const & x ) { BOOST_QVM_ASSERT(col==0); BOOST_QVM_ASSERT(row>=0); BOOST_QVM_ASSERT(row<rows); return vec_traits<OriginalVector>::read_element_idx(row,reinterpret_cast<OriginalVector const &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int row, int col, this_matrix & x ) { BOOST_QVM_ASSERT(col==0); BOOST_QVM_ASSERT(row>=0); BOOST_QVM_ASSERT(row<rows); return vec_traits<OriginalVector>::write_element_idx(row,reinterpret_cast<OriginalVector &>(x)); } }; template <class OriginalVector,int R,int C> struct deduce_mat<qvm_detail::col_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class OriginalVector,int R,int C> struct deduce_mat2<qvm_detail::col_mat_<OriginalVector>,qvm_detail::col_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::col_mat_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL col_mat( A const & a ) { return reinterpret_cast<typename qvm_detail::col_mat_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::col_mat_<A> &>::type BOOST_QVM_INLINE_TRIVIAL col_mat( A & a ) { return reinterpret_cast<typename qvm_detail::col_mat_<A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalVector> class row_mat_ { row_mat_( row_mat_ const & ); row_mat_ & operator=( row_mat_ const & ); ~row_mat_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL row_mat_ & 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 OriginalVector> struct mat_traits< qvm_detail::row_mat_<OriginalVector> > { typedef qvm_detail::row_mat_<OriginalVector> this_matrix; typedef typename vec_traits<OriginalVector>::scalar_type scalar_type; static int const rows=1; static int const cols=vec_traits<OriginalVector>::dim; 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(Col>=0); BOOST_QVM_STATIC_ASSERT(Col<cols); return vec_traits<OriginalVector>::template read_element<Col>(reinterpret_cast<OriginalVector 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(Col>=0); BOOST_QVM_STATIC_ASSERT(Col<cols); return vec_traits<OriginalVector>::template write_element<Col>(reinterpret_cast<OriginalVector &>(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(col>=0); BOOST_QVM_ASSERT(col<cols); return vec_traits<OriginalVector>::read_element_idx(col,reinterpret_cast<OriginalVector 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(col>=0); BOOST_QVM_ASSERT(col<cols); return vec_traits<OriginalVector>::write_element_idx(col,reinterpret_cast<OriginalVector &>(x)); } }; template <class OriginalVector,int R,int C> struct deduce_mat<qvm_detail::row_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class OriginalVector,int R,int C> struct deduce_mat2<qvm_detail::row_mat_<OriginalVector>,qvm_detail::row_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::row_mat_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL row_mat( A const & a ) { return reinterpret_cast<typename qvm_detail::row_mat_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::row_mat_<A> &>::type BOOST_QVM_INLINE_TRIVIAL row_mat( A & a ) { return reinterpret_cast<typename qvm_detail::row_mat_<A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalVector> class translation_mat_ { translation_mat_( translation_mat_ const & ); translation_mat_ & operator=( translation_mat_ const & ); ~translation_mat_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL translation_mat_ & 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 M,int Row,int Col,bool TransCol=(Col==mat_traits<M>::cols-1)> struct read_translation_matat; template <class OriginalVector,int Row,int Col,bool TransCol> struct read_translation_matat<translation_mat_<OriginalVector>,Row,Col,TransCol> { static BOOST_QVM_INLINE_CRITICAL typename mat_traits< translation_mat_<OriginalVector> >::scalar_type f( translation_mat_<OriginalVector> const & ) { return scalar_traits<typename mat_traits< translation_mat_<OriginalVector> >::scalar_type>::value(0); } }; template <class OriginalVector,int D> struct read_translation_matat<translation_mat_<OriginalVector>,D,D,false> { static BOOST_QVM_INLINE_CRITICAL typename mat_traits< translation_mat_<OriginalVector> >::scalar_type f( translation_mat_<OriginalVector> const & ) { return scalar_traits<typename mat_traits< translation_mat_<OriginalVector> >::scalar_type>::value(1); } }; template <class OriginalVector,int D> struct read_translation_matat<translation_mat_<OriginalVector>,D,D,true> { static BOOST_QVM_INLINE_CRITICAL typename mat_traits< translation_mat_<OriginalVector> >::scalar_type f( translation_mat_<OriginalVector> const & ) { return scalar_traits<typename mat_traits< translation_mat_<OriginalVector> >::scalar_type>::value(1); } }; template <class OriginalVector,int Row,int Col> struct read_translation_matat<translation_mat_<OriginalVector>,Row,Col,true> { static BOOST_QVM_INLINE_CRITICAL typename mat_traits< translation_mat_<OriginalVector> >::scalar_type f( translation_mat_<OriginalVector> const & x ) { return vec_traits<OriginalVector>::template read_element<Row>(reinterpret_cast<OriginalVector const &>(x)); } }; } template <class OriginalVector> struct mat_traits< qvm_detail::translation_mat_<OriginalVector> > { typedef qvm_detail::translation_mat_<OriginalVector> this_matrix; typedef typename vec_traits<OriginalVector>::scalar_type scalar_type; static int const rows=vec_traits<OriginalVector>::dim+1; static int const cols=vec_traits<OriginalVector>::dim+1; 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 qvm_detail::read_translation_matat<qvm_detail::translation_mat_<OriginalVector>,Row,Col>::f(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==cols-1); BOOST_QVM_STATIC_ASSERT(Col!=Row); return vec_traits<OriginalVector>::template write_element<Row>(reinterpret_cast<OriginalVector &>(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 row==col? scalar_traits<scalar_type>::value(1): (col==cols-1? vec_traits<OriginalVector>::read_element_idx(row,reinterpret_cast<OriginalVector const &>(x)): scalar_traits<scalar_type>::value(0)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int row, int col, this_matrix const & x ) { BOOST_QVM_ASSERT(row>=0); BOOST_QVM_ASSERT(row<rows); BOOST_QVM_ASSERT(col==cols-1); BOOST_QVM_ASSERT(col!=row); return vec_traits<OriginalVector>::write_element_idx(row,reinterpret_cast<OriginalVector &>(x)); } }; template <class OriginalVector,int R,int C> struct deduce_mat<qvm_detail::translation_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class OriginalVector,int R,int C> struct deduce_mat2<qvm_detail::translation_mat_<OriginalVector>,qvm_detail::translation_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::translation_mat_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL translation_mat( A const & a ) { return reinterpret_cast<typename qvm_detail::translation_mat_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::translation_mat_<A> &>::type BOOST_QVM_INLINE_TRIVIAL translation_mat( A & a ) { return reinterpret_cast<typename qvm_detail::translation_mat_<A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalVector> class diag_mat_ { diag_mat_( diag_mat_ const & ); diag_mat_ & operator=( diag_mat_ const & ); ~diag_mat_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL diag_mat_ & 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 OriginalVector> struct mat_traits< qvm_detail::diag_mat_<OriginalVector> > { typedef qvm_detail::diag_mat_<OriginalVector> this_matrix; typedef typename vec_traits<OriginalVector>::scalar_type scalar_type; static int const rows=vec_traits<OriginalVector>::dim; static int const cols=vec_traits<OriginalVector>::dim; 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 Row==Col?vec_traits<OriginalVector>::template read_element<Row>(reinterpret_cast<OriginalVector const &>(x)):scalar_traits<scalar_type>::value(0); } 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(Row==Col); return vec_traits<OriginalVector>::template write_element<Row>(reinterpret_cast<OriginalVector &>(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 row==col?vec_traits<OriginalVector>::read_element_idx(row,reinterpret_cast<OriginalVector const &>(x)):scalar_traits<scalar_type>::value(0); } 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(row==col); return vec_traits<OriginalVector>::write_element_idx(row,reinterpret_cast<OriginalVector &>(x)); } }; template <class OriginalVector,int R,int C> struct deduce_mat<qvm_detail::diag_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class OriginalVector,int R,int C> struct deduce_mat2<qvm_detail::diag_mat_<OriginalVector>,qvm_detail::diag_mat_<OriginalVector>,R,C> { typedef mat<typename vec_traits<OriginalVector>::scalar_type,R,C> type; }; template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::diag_mat_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL diag_mat( A const & a ) { return reinterpret_cast<typename qvm_detail::diag_mat_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_vec<A>::value, qvm_detail::diag_mat_<A> &>::type BOOST_QVM_INLINE_TRIVIAL diag_mat( A & a ) { return reinterpret_cast<typename qvm_detail::diag_mat_<A> &>(a); } //////////////////////////////////////////////// } } #endif
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