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map_mat_vec.hpp
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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 BOOST_QVM_5265FC7CA1C011DE9EBDFFA956D89593 #define BOOST_QVM_5265FC7CA1C011DE9EBDFFA956D89593 #include <boost/qvm/inline.hpp> #include <boost/qvm/mat_traits.hpp> #include <boost/qvm/deduce_vec.hpp> #include <boost/qvm/assert.hpp> #include <boost/qvm/enable_if.hpp> namespace boost { namespace qvm { //////////////////////////////////////////////// namespace qvm_detail { template <int Col,class OriginalMatrix> class col_ { col_( col_ const & ); col_ & operator=( col_ const & ); ~col_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL col_ & 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 <int Col,class OriginalMatrix> struct vec_traits< qvm_detail::col_<Col,OriginalMatrix> > { typedef qvm_detail::col_<Col,OriginalMatrix> this_vector; typedef typename mat_traits<OriginalMatrix>::scalar_type scalar_type; static int const dim=mat_traits<OriginalMatrix>::rows; BOOST_QVM_STATIC_ASSERT(Col>=0); BOOST_QVM_STATIC_ASSERT(Col<mat_traits<OriginalMatrix>::cols); template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type read_element( this_vector const & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template read_element<I,Col>(reinterpret_cast<OriginalMatrix const &>(x)); } template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element( this_vector & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template write_element<I,Col>(reinterpret_cast<OriginalMatrix &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type read_element_idx( int i, this_vector const & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::read_element_idx(i,Col,reinterpret_cast<OriginalMatrix const &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int i, this_vector & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::write_element_idx(i,Col,reinterpret_cast<OriginalMatrix &>(x)); } }; template <int Col,class OriginalMatrix,int D> struct deduce_vec<qvm_detail::col_<Col,OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <int Col,class OriginalMatrix,int D> struct deduce_vec2<qvm_detail::col_<Col,OriginalMatrix>,qvm_detail::col_<Col,OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <int Col,class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::col_<Col,A> const &>::type BOOST_QVM_INLINE_TRIVIAL col( A const & a ) { return reinterpret_cast<typename qvm_detail::col_<Col,A> const &>(a); } template <int Col,class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::col_<Col,A> &>::type BOOST_QVM_INLINE_TRIVIAL col( A & a ) { return reinterpret_cast<typename qvm_detail::col_<Col,A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <int Row,class OriginalMatrix> class row_ { row_( row_ const & ); row_ & operator=( row_ const & ); ~row_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL row_ & 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 <int Row,class OriginalMatrix> struct vec_traits< qvm_detail::row_<Row,OriginalMatrix> > { typedef qvm_detail::row_<Row,OriginalMatrix> this_vector; typedef typename mat_traits<OriginalMatrix>::scalar_type scalar_type; static int const dim=mat_traits<OriginalMatrix>::cols; BOOST_QVM_STATIC_ASSERT(Row>=0); BOOST_QVM_STATIC_ASSERT(Row<mat_traits<OriginalMatrix>::rows); template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type read_element( this_vector const & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template read_element<Row,I>(reinterpret_cast<OriginalMatrix const &>(x)); } template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element( this_vector & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template write_element<Row,I>(reinterpret_cast<OriginalMatrix &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type read_element_idx( int i, this_vector const & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::read_element_idx(Row,i,reinterpret_cast<OriginalMatrix const &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int i, this_vector & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::write_element_idx(Row,i,reinterpret_cast<OriginalMatrix &>(x)); } }; template <int Row,class OriginalMatrix,int D> struct deduce_vec<qvm_detail::row_<Row,OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <int Row,class OriginalMatrix,int D> struct deduce_vec2<qvm_detail::row_<Row,OriginalMatrix>,qvm_detail::row_<Row,OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <int Row,class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::row_<Row,A> const &>::type BOOST_QVM_INLINE_TRIVIAL row( A const & a ) { return reinterpret_cast<typename qvm_detail::row_<Row,A> const &>(a); } template <int Row,class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::row_<Row,A> &>::type BOOST_QVM_INLINE_TRIVIAL row( A & a ) { return reinterpret_cast<typename qvm_detail::row_<Row,A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalMatrix> class diag_ { diag_( diag_ const & ); diag_ & operator=( diag_ const & ); ~diag_(); public: template <class T> BOOST_QVM_INLINE_TRIVIAL diag_ & 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 <int X,int Y,bool Which> struct diag_bool_dispatch; template <int X,int Y> struct diag_bool_dispatch<X,Y,true> { static int const value=X; }; template <int X,int Y> struct diag_bool_dispatch<X,Y,false> { static int const value=Y; }; } template <class OriginalMatrix> struct vec_traits< qvm_detail::diag_<OriginalMatrix> > { typedef qvm_detail::diag_<OriginalMatrix> this_vector; typedef typename mat_traits<OriginalMatrix>::scalar_type scalar_type; static int const dim=qvm_detail::diag_bool_dispatch< mat_traits<OriginalMatrix>::rows, mat_traits<OriginalMatrix>::cols, mat_traits<OriginalMatrix>::rows<=mat_traits<OriginalMatrix>::cols>::value; template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type read_element( this_vector const & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template read_element<I,I>(reinterpret_cast<OriginalMatrix const &>(x)); } template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element( this_vector & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template write_element<I,I>(reinterpret_cast<OriginalMatrix &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type read_element_idx( int i, this_vector const & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::read_element_idx(i,i,reinterpret_cast<OriginalMatrix const &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int i, this_vector & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::write_element_idx(i,i,reinterpret_cast<OriginalMatrix &>(x)); } }; template <class OriginalMatrix,int D> struct deduce_vec<qvm_detail::diag_<OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <class OriginalMatrix,int D> struct deduce_vec2<qvm_detail::diag_<OriginalMatrix>,qvm_detail::diag_<OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::diag_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL diag( A const & a ) { return reinterpret_cast<typename qvm_detail::diag_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_mat<A>::value, qvm_detail::diag_<A> &>::type BOOST_QVM_INLINE_TRIVIAL diag( A & a ) { return reinterpret_cast<typename qvm_detail::diag_<A> &>(a); } //////////////////////////////////////////////// namespace qvm_detail { template <class OriginalMatrix> class translation_ { translation_( translation_ const & ); ~translation_(); public: translation_ & operator=( translation_ const & x ) { assign(*this,x); return *this; } template <class T> BOOST_QVM_INLINE_TRIVIAL translation_ & 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 vec_traits< qvm_detail::translation_<OriginalMatrix> > { typedef qvm_detail::translation_<OriginalMatrix> this_vector; typedef typename mat_traits<OriginalMatrix>::scalar_type scalar_type; static int const dim=mat_traits<OriginalMatrix>::rows-1; BOOST_QVM_STATIC_ASSERT(mat_traits<OriginalMatrix>::rows==mat_traits<OriginalMatrix>::cols); BOOST_QVM_STATIC_ASSERT(mat_traits<OriginalMatrix>::rows>=3); template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type read_element( this_vector const & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template read_element<I,dim>(reinterpret_cast<OriginalMatrix const &>(x)); } template <int I> static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element( this_vector & x ) { BOOST_QVM_STATIC_ASSERT(I>=0); BOOST_QVM_STATIC_ASSERT(I<dim); return mat_traits<OriginalMatrix>::template write_element<I,dim>(reinterpret_cast<OriginalMatrix &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type read_element_idx( int i, this_vector const & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::read_element_idx(i,dim,reinterpret_cast<OriginalMatrix const &>(x)); } static BOOST_QVM_INLINE_CRITICAL scalar_type & write_element_idx( int i, this_vector & x ) { BOOST_QVM_ASSERT(i>=0); BOOST_QVM_ASSERT(i<dim); return mat_traits<OriginalMatrix>::write_element_idx(i,dim,reinterpret_cast<OriginalMatrix &>(x)); } }; template <class OriginalMatrix,int D> struct deduce_vec<qvm_detail::translation_<OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <class OriginalMatrix,int D> struct deduce_vec2<qvm_detail::translation_<OriginalMatrix>,qvm_detail::translation_<OriginalMatrix>,D> { typedef vec<typename mat_traits<OriginalMatrix>::scalar_type,D> type; }; template <class A> typename boost::enable_if_c< is_mat<A>::value && mat_traits<A>::rows==mat_traits<A>::cols && mat_traits<A>::rows>=3, qvm_detail::translation_<A> const &>::type BOOST_QVM_INLINE_TRIVIAL translation( A const & a ) { return reinterpret_cast<typename qvm_detail::translation_<A> const &>(a); } template <class A> typename boost::enable_if_c< is_mat<A>::value && mat_traits<A>::rows==mat_traits<A>::cols && mat_traits<A>::rows>=3, qvm_detail::translation_<A> &>::type BOOST_QVM_INLINE_TRIVIAL translation( A & a ) { return reinterpret_cast<typename qvm_detail::translation_<A> &>(a); } //////////////////////////////////////////////// } } #endif