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Diffstat (limited to 'src/armadillo/include/armadillo_bits/Proxy.hpp')
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diff --git a/src/armadillo/include/armadillo_bits/Proxy.hpp b/src/armadillo/include/armadillo_bits/Proxy.hpp new file mode 100644 index 0000000..ca3f713 --- /dev/null +++ b/src/armadillo/include/armadillo_bits/Proxy.hpp @@ -0,0 +1,2537 @@ +// SPDX-License-Identifier: Apache-2.0 +// +// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au) +// Copyright 2008-2016 National ICT Australia (NICTA) +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + + +//! \addtogroup Proxy +//! @{ + + +// within each specialisation of the Proxy class: +// +// elem_type = the type of the elements obtained from object Q +// pod_type = the underlying type of elements if elem_type is std::complex +// stored_type = the type of the Q object +// ea_type = the type of the object that provides access to elements via operator[i] +// aligned_ea_type = the type of the object that provides access to elements via at_alt(i) +// +// use_at = boolean indicating whether at(row,col) must be used to get elements +// use_mp = boolean indicating whether OpenMP can be used while processing elements +// has_subview = boolean indicating whether the Q object has a subview +// +// is_row = boolean indicating whether the Q object can be treated a row vector +// is_col = boolean indicating whether the Q object can be treated a column vector +// is_xvec = boolean indicating whether the Q object is a vector with unknown orientation +// +// Q = object that can be unwrapped via the unwrap family of classes (ie. Q must be convertible to Mat) +// +// get_n_rows() = return the number of rows in Q +// get_n_cols() = return the number of columns in Q +// get_n_elem() = return the number of elements in Q +// +// operator[i] = linear element accessor; valid only if the 'use_at' boolean is false +// at(row,col) = access elements via (row,col); valid only if the 'use_at' boolean is true +// at_alt(i) = aligned linear element accessor; valid only if the 'use_at' boolean is false and is_aligned() returns true +// +// get_ea() = return the object that provides linear access to elements via operator[i] +// get_aligned_ea() = return the object that provides linear access to elements via at_alt(i); valid only if is_aligned() returns true +// +// is_alias(X) = return true/false indicating whether the Q object aliases matrix X +// has_overlap(X) = return true/false indicating whether the Q object has overlap with subview X +// is_aligned() = return true/false indicating whether the Q object has aligned memory + + + +template<typename T1> +struct Proxy_default + { + inline Proxy_default(const T1&) + { + arma_type_check(( is_arma_type<T1>::value == false )); + } + }; + + + +template<typename T1> +struct Proxy_fixed + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef T1 stored_type; + typedef const elem_type* ea_type; + typedef const T1& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = T1::is_row; + static constexpr bool is_col = T1::is_col; + static constexpr bool is_xvec = T1::is_xvec; + + arma_aligned const T1& Q; + + inline explicit Proxy_fixed(const T1& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + //// this may require T1::n_elem etc to be declared as static constexpr inline variables (C++17) + //// see also the notes in Mat::fixed + //// https://en.cppreference.com/w/cpp/language/static + //// https://en.cppreference.com/w/cpp/language/inline + // + // static constexpr uword get_n_rows() { return T1::n_rows; } + // static constexpr uword get_n_cols() { return T1::n_cols; } + // static constexpr uword get_n_elem() { return T1::n_elem; } + + arma_inline uword get_n_rows() const { return is_row ? 1 : T1::n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : T1::n_cols; } + arma_inline uword get_n_elem() const { return T1::n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const + { + #if defined(ARMA_HAVE_ALIGNED_ATTRIBUTE) + return true; + #else + return memory::is_aligned(Q.memptr()); + #endif + } + }; + + + +template<typename T1, bool condition> +struct Proxy_redirect {}; + +template<typename T1> +struct Proxy_redirect<T1, false> { typedef Proxy_default<T1> result; }; + +template<typename T1> +struct Proxy_redirect<T1, true> { typedef Proxy_fixed<T1> result; }; + + + +template<typename T1> +struct Proxy : public Proxy_redirect<T1, is_Mat_fixed<T1>::value>::result + { + inline Proxy(const T1& A) + : Proxy_redirect<T1, is_Mat_fixed<T1>::value>::result(A) + { + } + }; + + + +template<typename eT> +struct Proxy< Mat<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<eT> stored_type; + typedef const eT* ea_type; + typedef const Mat<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<eT>& Q; + + inline explicit Proxy(const Mat<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&Q) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< Col<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Col<eT> stored_type; + typedef const eT* ea_type; + typedef const Col<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const Col<eT>& Q; + + inline explicit Proxy(const Col<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&Q) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< Row<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Row<eT> stored_type; + typedef const eT* ea_type; + typedef const Row<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = true; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const Row<eT>& Q; + + inline explicit Proxy(const Row<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + constexpr uword get_n_rows() const { return 1; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword, const uword c) const { return Q[c]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&Q) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename gen_type> +struct Proxy< Gen<T1, gen_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Gen<T1, gen_type> stored_type; + typedef const Gen<T1, gen_type>& ea_type; + typedef const Gen<T1, gen_type>& aligned_ea_type; + + static constexpr bool use_at = Gen<T1, gen_type>::use_at; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = Gen<T1, gen_type>::is_row; + static constexpr bool is_col = Gen<T1, gen_type>::is_col; + static constexpr bool is_xvec = Gen<T1, gen_type>::is_xvec; + + arma_aligned const Gen<T1, gen_type>& Q; + + inline explicit Proxy(const Gen<T1, gen_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return (is_row ? 1 : Q.n_rows); } + arma_inline uword get_n_cols() const { return (is_col ? 1 : Q.n_cols); } + arma_inline uword get_n_elem() const { return (is_row ? 1 : Q.n_rows) * (is_col ? 1 : Q.n_cols); } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + constexpr bool is_aligned() const { return Gen<T1, gen_type>::is_simple; } + }; + + + +template<typename T1, typename eop_type> +struct Proxy< eOp<T1, eop_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef eOp<T1, eop_type> stored_type; + typedef const eOp<T1, eop_type>& ea_type; + typedef const eOp<T1, eop_type>& aligned_ea_type; + + static constexpr bool use_at = eOp<T1, eop_type>::use_at; + static constexpr bool use_mp = eOp<T1, eop_type>::use_mp; + static constexpr bool has_subview = eOp<T1, eop_type>::has_subview; + + static constexpr bool is_row = eOp<T1, eop_type>::is_row; + static constexpr bool is_col = eOp<T1, eop_type>::is_col; + static constexpr bool is_xvec = eOp<T1, eop_type>::is_xvec; + + arma_aligned const eOp<T1, eop_type>& Q; + + inline explicit Proxy(const eOp<T1, eop_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.get_n_rows(); } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.get_n_cols(); } + arma_inline uword get_n_elem() const { return Q.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return Q.P.is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Q.P.has_overlap(X); } + + arma_inline bool is_aligned() const { return Q.P.is_aligned(); } + }; + + + +template<typename T1, typename T2, typename eglue_type> +struct Proxy< eGlue<T1, T2, eglue_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef eGlue<T1, T2, eglue_type> stored_type; + typedef const eGlue<T1, T2, eglue_type>& ea_type; + typedef const eGlue<T1, T2, eglue_type>& aligned_ea_type; + + static constexpr bool use_at = eGlue<T1, T2, eglue_type>::use_at; + static constexpr bool use_mp = eGlue<T1, T2, eglue_type>::use_mp; + static constexpr bool has_subview = eGlue<T1, T2, eglue_type>::has_subview; + + static constexpr bool is_row = eGlue<T1, T2, eglue_type>::is_row; + static constexpr bool is_col = eGlue<T1, T2, eglue_type>::is_col; + static constexpr bool is_xvec = eGlue<T1, T2, eglue_type>::is_xvec; + + arma_aligned const eGlue<T1, T2, eglue_type>& Q; + + inline explicit Proxy(const eGlue<T1, T2, eglue_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.get_n_rows(); } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.get_n_cols(); } + arma_inline uword get_n_elem() const { return Q.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (Q.P1.is_alias(X) || Q.P2.is_alias(X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return (Q.P1.has_overlap(X) || Q.P2.has_overlap(X)); } + + arma_inline bool is_aligned() const { return (Q.P1.is_aligned() && Q.P2.is_aligned()); } + }; + + + +template<typename T1, typename op_type> +struct Proxy< Op<T1, op_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = Op<T1, op_type>::is_row; + static constexpr bool is_col = Op<T1, op_type>::is_col; + static constexpr bool is_xvec = Op<T1, op_type>::is_xvec; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const Op<T1, op_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename T2, typename glue_type> +struct Proxy< Glue<T1, T2, glue_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = Glue<T1, T2, glue_type>::is_row; + static constexpr bool is_col = Glue<T1, T2, glue_type>::is_col; + static constexpr bool is_xvec = Glue<T1, T2, glue_type>::is_xvec; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const Glue<T1, T2, glue_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename T2> +struct Proxy< Glue<T1, T2, glue_min> > + { + typedef Glue<T1, T2, glue_min> this_Glue_type; + typedef Proxy< Glue<T1, T2, glue_min> > this_Proxy_type; + + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef this_Glue_type stored_type; + typedef const this_Proxy_type& ea_type; + typedef const this_Proxy_type& aligned_ea_type; + + static constexpr bool use_at = (Proxy<T1>::use_at || Proxy<T2>::use_at ); + static constexpr bool use_mp = (Proxy<T1>::use_mp || Proxy<T2>::use_mp ); + static constexpr bool has_subview = (Proxy<T1>::has_subview || Proxy<T2>::has_subview); + + static constexpr bool is_row = this_Glue_type::is_row; + static constexpr bool is_col = this_Glue_type::is_col; + static constexpr bool is_xvec = this_Glue_type::is_xvec; + + arma_aligned const this_Glue_type& Q; + arma_aligned const Proxy<T1> P1; + arma_aligned const Proxy<T2> P2; + + arma_lt_comparator<elem_type> comparator; + + inline explicit Proxy(const this_Glue_type& X) + : Q (X ) + , P1(X.A) + , P2(X.B) + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(P1, P2, "element-wise min()"); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : P1.get_n_rows(); } + arma_inline uword get_n_cols() const { return is_col ? 1 : P1.get_n_cols(); } + arma_inline uword get_n_elem() const { return P1.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { const elem_type A = P1[i]; const elem_type B = P2[i]; return comparator(A,B) ? A : B; } + arma_inline elem_type at (const uword r, const uword c) const { const elem_type A = P1.at(r,c); const elem_type B = P2.at(r,c); return comparator(A,B) ? A : B; } + arma_inline elem_type at_alt (const uword i) const { const elem_type A = P1.at_alt(i); const elem_type B = P2.at_alt(i); return comparator(A,B) ? A : B; } + + arma_inline ea_type get_ea() const { return *this; } + arma_inline aligned_ea_type get_aligned_ea() const { return *this; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (P1.is_alias(X) || P2.is_alias(X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return (P1.has_overlap(X) || P2.has_overlap(X)); } + + arma_inline bool is_aligned() const { return (P1.is_aligned() && P2.is_aligned()); } + }; + + + +template<typename T1, typename T2> +struct Proxy< Glue<T1, T2, glue_max> > + { + typedef Glue<T1, T2, glue_max> this_Glue_type; + typedef Proxy< Glue<T1, T2, glue_max> > this_Proxy_type; + + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef this_Glue_type stored_type; + typedef const this_Proxy_type& ea_type; + typedef const this_Proxy_type& aligned_ea_type; + + static constexpr bool use_at = (Proxy<T1>::use_at || Proxy<T2>::use_at ); + static constexpr bool use_mp = (Proxy<T1>::use_mp || Proxy<T2>::use_mp ); + static constexpr bool has_subview = (Proxy<T1>::has_subview || Proxy<T2>::has_subview); + + static constexpr bool is_row = this_Glue_type::is_row; + static constexpr bool is_col = this_Glue_type::is_col; + static constexpr bool is_xvec = this_Glue_type::is_xvec; + + arma_aligned const this_Glue_type& Q; + arma_aligned const Proxy<T1> P1; + arma_aligned const Proxy<T2> P2; + + arma_gt_comparator<elem_type> comparator; + + inline explicit Proxy(const this_Glue_type& X) + : Q (X ) + , P1(X.A) + , P2(X.B) + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(P1, P2, "element-wise max()"); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : P1.get_n_rows(); } + arma_inline uword get_n_cols() const { return is_col ? 1 : P1.get_n_cols(); } + arma_inline uword get_n_elem() const { return P1.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { const elem_type A = P1[i]; const elem_type B = P2[i]; return comparator(A,B) ? A : B; } + arma_inline elem_type at (const uword r, const uword c) const { const elem_type A = P1.at(r,c); const elem_type B = P2.at(r,c); return comparator(A,B) ? A : B; } + arma_inline elem_type at_alt (const uword i) const { const elem_type A = P1.at_alt(i); const elem_type B = P2.at_alt(i); return comparator(A,B) ? A : B; } + + arma_inline ea_type get_ea() const { return *this; } + arma_inline aligned_ea_type get_aligned_ea() const { return *this; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (P1.is_alias(X) || P2.is_alias(X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return (P1.has_overlap(X) || P2.has_overlap(X)); } + + arma_inline bool is_aligned() const { return (P1.is_aligned() && P2.is_aligned()); } + }; + + + +template<typename out_eT, typename T1, typename op_type> +struct Proxy< mtOp<out_eT, T1, op_type> > + { + typedef out_eT elem_type; + typedef typename get_pod_type<out_eT>::result pod_type; + typedef Mat<out_eT> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<out_eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = mtOp<out_eT, T1, op_type>::is_row; + static constexpr bool is_col = mtOp<out_eT, T1, op_type>::is_col; + static constexpr bool is_xvec = mtOp<out_eT, T1, op_type>::is_xvec; + + arma_aligned const Mat<out_eT> Q; + + inline explicit Proxy(const mtOp<out_eT, T1, op_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r,c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename out_eT, typename T1, typename T2, typename glue_type> +struct Proxy< mtGlue<out_eT, T1, T2, glue_type> > + { + typedef out_eT elem_type; + typedef typename get_pod_type<out_eT>::result pod_type; + typedef Mat<out_eT> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<out_eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = mtGlue<out_eT, T1, T2, glue_type>::is_row; + static constexpr bool is_col = mtGlue<out_eT, T1, T2, glue_type>::is_col; + static constexpr bool is_xvec = mtGlue<out_eT, T1, T2, glue_type>::is_xvec; + + arma_aligned const Mat<out_eT> Q; + + inline explicit Proxy(const mtGlue<out_eT, T1, T2, glue_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r,c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename op_type> +struct Proxy< CubeToMatOp<T1, op_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = CubeToMatOp<T1, op_type>::is_row; + static constexpr bool is_col = CubeToMatOp<T1, op_type>::is_col; + static constexpr bool is_xvec = CubeToMatOp<T1, op_type>::is_xvec; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const CubeToMatOp<T1, op_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy< CubeToMatOp<T1, op_vectorise_cube_col> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const unwrap_cube<T1> U; + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const CubeToMatOp<T1, op_vectorise_cube_col>& A) + : U(A.m) + , Q(const_cast<elem_type*>(U.M.memptr()), U.M.n_elem, 1, false, true) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename op_type> +struct Proxy< SpToDOp<T1, op_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = SpToDOp<T1, op_type>::is_row; + static constexpr bool is_col = SpToDOp<T1, op_type>::is_col; + static constexpr bool is_xvec = SpToDOp<T1, op_type>::is_xvec; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const SpToDOp<T1, op_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy< SpToDOp<T1, op_nonzeros_spmat> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const unwrap_spmat<T1> U; + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const SpToDOp<T1, op_nonzeros_spmat>& A) + : U(A.m) + , Q(const_cast<elem_type*>(U.M.values), U.M.n_nonzero, 1, false, true) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, typename T2, typename glue_type> +struct Proxy< SpToDGlue<T1, T2, glue_type> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = SpToDGlue<T1, T2, glue_type>::is_row; + static constexpr bool is_col = SpToDGlue<T1, T2, glue_type>::is_col; + static constexpr bool is_xvec = SpToDGlue<T1, T2, glue_type>::is_xvec; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const SpToDGlue<T1, T2, glue_type>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< subview<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview<eT> stored_type; + typedef const subview<eT>& ea_type; + typedef const subview<eT>& aligned_ea_type; + + static constexpr bool use_at = true; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const subview<eT>& Q; + + inline explicit Proxy(const subview<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&(Q.m)) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Q.check_overlap(X); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT> +struct Proxy< subview_col<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview_col<eT> stored_type; + typedef const eT* ea_type; + typedef const subview_col<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_col<eT>& Q; + + inline explicit Proxy(const subview_col<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.colmem; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&(Q.m)) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Q.check_overlap(X); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.colmem); } + }; + + + +template<typename eT> +struct Proxy< subview_cols<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<eT> stored_type; + typedef const eT* ea_type; + typedef const Mat<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const subview_cols<eT>& sv; + arma_aligned const Mat<eT> Q; + + inline explicit Proxy(const subview_cols<eT>& A) + : sv(A) + , Q ( const_cast<eT*>( A.colptr(0) ), A.n_rows, A.n_cols, false, false ) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r,c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&(sv.m)) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return sv.check_overlap(X); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< subview_row<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview_row<eT> stored_type; + typedef const subview_row<eT>& ea_type; + typedef const subview_row<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = true; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row<eT>& Q; + + inline explicit Proxy(const subview_row<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + constexpr uword get_n_rows() const { return 1; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword, const uword c) const { return Q[c]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&(Q.m)) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Q.check_overlap(X); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT, typename T1> +struct Proxy< subview_elem1<eT,T1> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview_elem1<eT,T1> stored_type; + typedef const Proxy< subview_elem1<eT,T1> >& ea_type; + typedef const Proxy< subview_elem1<eT,T1> >& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_elem1<eT,T1>& Q; + arma_aligned const Proxy<T1> R; + + inline explicit Proxy(const subview_elem1<eT,T1>& A) + : Q(A) + , R(A.a.get_ref()) + { + arma_extra_debug_sigprint(); + + const bool R_is_vec = ((R.get_n_rows() == 1) || (R.get_n_cols() == 1)); + const bool R_is_empty = (R.get_n_elem() == 0); + + arma_debug_check( ((R_is_vec == false) && (R_is_empty == false)), "Mat::elem(): given object must be a vector" ); + } + + arma_inline uword get_n_rows() const { return R.get_n_elem(); } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return R.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { const uword ii = (Proxy<T1>::use_at) ? R.at(i,0) : R[i]; arma_debug_check_bounds( (ii >= Q.m.n_elem), "Mat::elem(): index out of bounds" ); return Q.m[ii]; } + arma_inline elem_type at (const uword r, const uword) const { const uword ii = (Proxy<T1>::use_at) ? R.at(r,0) : R[r]; arma_debug_check_bounds( (ii >= Q.m.n_elem), "Mat::elem(): index out of bounds" ); return Q.m[ii]; } + arma_inline elem_type at_alt (const uword i) const { const uword ii = (Proxy<T1>::use_at) ? R.at(i,0) : R[i]; arma_debug_check_bounds( (ii >= Q.m.n_elem), "Mat::elem(): index out of bounds" ); return Q.m[ii]; } + + arma_inline ea_type get_ea() const { return (*this); } + arma_inline aligned_ea_type get_aligned_ea() const { return (*this); } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return ( (void_ptr(&X) == void_ptr(&(Q.m))) || (R.is_alias(X)) ); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT, typename T1, typename T2> +struct Proxy< subview_elem2<eT,T1,T2> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<eT> stored_type; + typedef const eT* ea_type; + typedef const Mat<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<eT> Q; + + inline explicit Proxy(const subview_elem2<eT,T1,T2>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< diagview<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef diagview<eT> stored_type; + typedef const diagview<eT>& ea_type; + typedef const diagview<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const diagview<eT>& Q; + + inline explicit Proxy(const diagview<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q.at(r, 0); } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (is_same_type<eT,eT2>::value) ? (void_ptr(&(Q.m)) == void_ptr(&X)) : false; } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T1> +struct Proxy_diagvec_mat + { + inline Proxy_diagvec_mat(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_diagvec_mat< Op<T1, op_diagvec> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef diagview<elem_type> stored_type; + typedef const diagview<elem_type>& ea_type; + typedef const diagview<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<elem_type>& R; + arma_aligned const diagview<elem_type> Q; + + inline explicit Proxy_diagvec_mat(const Op<T1, op_diagvec>& A) + : R(A.m), Q( R.diag() ) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q.at(r, 0); } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&R) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T1> +struct Proxy_diagvec_expr + { + inline Proxy_diagvec_expr(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_diagvec_expr< Op<T1, op_diagvec> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy_diagvec_expr(const Op<T1, op_diagvec>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q.at(r, 0); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, bool condition> +struct Proxy_diagvec_redirect {}; + +template<typename T1> +struct Proxy_diagvec_redirect< Op<T1, op_diagvec>, true > { typedef Proxy_diagvec_mat < Op<T1, op_diagvec> > result; }; + +template<typename T1> +struct Proxy_diagvec_redirect< Op<T1, op_diagvec>, false> { typedef Proxy_diagvec_expr< Op<T1, op_diagvec> > result; }; + + + +template<typename T1> +struct Proxy< Op<T1, op_diagvec> > + : public Proxy_diagvec_redirect< Op<T1, op_diagvec>, is_Mat<T1>::value >::result + { + typedef typename Proxy_diagvec_redirect< Op<T1, op_diagvec>, is_Mat<T1>::value >::result Proxy_diagvec; + + inline explicit Proxy(const Op<T1, op_diagvec>& A) + : Proxy_diagvec(A) + { + arma_extra_debug_sigprint(); + } + }; + + + +template<typename T1> +struct Proxy< Op<T1, op_diagvec2> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy(const Op<T1, op_diagvec2>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q.at(r, 0); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy_xtrans_default + { + inline Proxy_xtrans_default(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_xtrans_default< Op<T1, op_htrans> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef xtrans_mat<elem_type,true> stored_type; + typedef const xtrans_mat<elem_type,true>& ea_type; + typedef const xtrans_mat<elem_type,true>& aligned_ea_type; + + static constexpr bool use_at = true; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + const unwrap<T1> U; + const xtrans_mat<elem_type,true> Q; + + inline explicit Proxy_xtrans_default(const Op<T1, op_htrans>& A) + : U(A.m) + , Q(U.M) + { + arma_extra_debug_sigprint(); + } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return void_ptr(&(U.M)) == void_ptr(&X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T1> +struct Proxy_xtrans_default< Op<T1, op_strans> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef xtrans_mat<elem_type,false> stored_type; + typedef const xtrans_mat<elem_type,false>& ea_type; + typedef const xtrans_mat<elem_type,false>& aligned_ea_type; + + static constexpr bool use_at = true; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + const unwrap<T1> U; + const xtrans_mat<elem_type,false> Q; + + inline explicit Proxy_xtrans_default(const Op<T1, op_strans>& A) + : U(A.m) + , Q(U.M) + { + arma_extra_debug_sigprint(); + } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return void_ptr(&(U.M)) == void_ptr(&X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T1> +struct Proxy_xtrans_vector + { + inline Proxy_xtrans_vector(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_xtrans_vector< Op<T1, op_htrans> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = quasi_unwrap<T1>::has_subview; + + // NOTE: the Op class takes care of swapping row and col for op_htrans + static constexpr bool is_row = Op<T1, op_htrans>::is_row; + static constexpr bool is_col = Op<T1, op_htrans>::is_col; + static constexpr bool is_xvec = Op<T1, op_htrans>::is_xvec; + + arma_aligned const quasi_unwrap<T1> U; // avoid copy if T1 is a Row, Col or subview_col + arma_aligned const Mat<elem_type> Q; + + inline Proxy_xtrans_vector(const Op<T1, op_htrans>& A) + : U(A.m) + , Q(const_cast<elem_type*>(U.M.memptr()), U.M.n_cols, U.M.n_rows, false, false) + { + arma_extra_debug_sigprint(); + } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return U.is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy_xtrans_vector< Op<T1, op_strans> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = quasi_unwrap<T1>::has_subview; + + // NOTE: the Op class takes care of swapping row and col for op_strans + static constexpr bool is_row = Op<T1, op_strans>::is_row; + static constexpr bool is_col = Op<T1, op_strans>::is_col; + static constexpr bool is_xvec = Op<T1, op_strans>::is_xvec; + + arma_aligned const quasi_unwrap<T1> U; // avoid copy if T1 is a Row, Col or subview_col + arma_aligned const Mat<elem_type> Q; + + inline Proxy_xtrans_vector(const Op<T1, op_strans>& A) + : U(A.m) + , Q(const_cast<elem_type*>(U.M.memptr()), U.M.n_cols, U.M.n_rows, false, false) + { + arma_extra_debug_sigprint(); + } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return U.is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1, bool condition> +struct Proxy_xtrans_redirect {}; + +template<typename T1> +struct Proxy_xtrans_redirect<T1, false> { typedef Proxy_xtrans_default<T1> result; }; + +template<typename T1> +struct Proxy_xtrans_redirect<T1, true> { typedef Proxy_xtrans_vector<T1> result; }; + + + +template<typename T1> +struct Proxy< Op<T1, op_htrans> > + : public + Proxy_xtrans_redirect + < + Op<T1, op_htrans>, + ((is_cx<typename T1::elem_type>::no) && ((Op<T1, op_htrans>::is_row) || (Op<T1, op_htrans>::is_col)) ) + >::result + { + typedef + typename + Proxy_xtrans_redirect + < + Op<T1, op_htrans>, + ((is_cx<typename T1::elem_type>::no) && ((Op<T1, op_htrans>::is_row) || (Op<T1, op_htrans>::is_col)) ) + >::result + Proxy_xtrans; + + typedef typename Proxy_xtrans::elem_type elem_type; + typedef typename Proxy_xtrans::pod_type pod_type; + typedef typename Proxy_xtrans::stored_type stored_type; + typedef typename Proxy_xtrans::ea_type ea_type; + typedef typename Proxy_xtrans::aligned_ea_type aligned_ea_type; + + static constexpr bool use_at = Proxy_xtrans::use_at; + static constexpr bool use_mp = Proxy_xtrans::use_mp; + static constexpr bool has_subview = Proxy_xtrans::has_subview; + + static constexpr bool is_row = Proxy_xtrans::is_row; + static constexpr bool is_col = Proxy_xtrans::is_col; + static constexpr bool is_xvec = Proxy_xtrans::is_xvec; + + using Proxy_xtrans::Q; + + inline explicit Proxy(const Op<T1, op_htrans>& A) + : Proxy_xtrans(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Proxy_xtrans::get_ea(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Proxy_xtrans::get_aligned_ea(); } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return Proxy_xtrans::is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Proxy_xtrans::has_overlap(X); } + + arma_inline bool is_aligned() const { return Proxy_xtrans::is_aligned(); } + }; + + + +template<typename T1> +struct Proxy< Op<T1, op_strans> > + : public + Proxy_xtrans_redirect + < + Op<T1, op_strans>, + ( (Op<T1, op_strans>::is_row) || (Op<T1, op_strans>::is_col) ) + >::result + { + typedef + typename + Proxy_xtrans_redirect + < + Op<T1, op_strans>, + ( (Op<T1, op_strans>::is_row) || (Op<T1, op_strans>::is_col) ) + >::result + Proxy_xtrans; + + typedef typename Proxy_xtrans::elem_type elem_type; + typedef typename Proxy_xtrans::pod_type pod_type; + typedef typename Proxy_xtrans::stored_type stored_type; + typedef typename Proxy_xtrans::ea_type ea_type; + typedef typename Proxy_xtrans::aligned_ea_type aligned_ea_type; + + static constexpr bool use_at = Proxy_xtrans::use_at; + static constexpr bool use_mp = Proxy_xtrans::use_mp; + static constexpr bool has_subview = Proxy_xtrans::has_subview; + + static constexpr bool is_row = Proxy_xtrans::is_row; + static constexpr bool is_col = Proxy_xtrans::is_col; + static constexpr bool is_xvec = Proxy_xtrans::is_xvec; + + using Proxy_xtrans::Q; + + inline explicit Proxy(const Op<T1, op_strans>& A) + : Proxy_xtrans(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.n_rows; } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Proxy_xtrans::get_ea(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Proxy_xtrans::get_aligned_ea(); } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return Proxy_xtrans::is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Proxy_xtrans::has_overlap(X); } + + arma_inline bool is_aligned() const { return Proxy_xtrans::is_aligned(); } + }; + + + +template<typename eT> +struct Proxy_subview_row_htrans_cx + { + typedef eT elem_type; + typedef typename get_pod_type<eT>::result pod_type; + typedef subview_row_htrans<eT> stored_type; + typedef const subview_row_htrans<eT>& ea_type; + typedef const subview_row_htrans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row_htrans<eT> Q; + + inline explicit Proxy_subview_row_htrans_cx(const Op<subview_row<eT>, op_htrans>& A) + : Q(A.m) + { + arma_extra_debug_sigprint(); + } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.sv_row.m)) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + }; + + + +template<typename eT> +struct Proxy_subview_row_htrans_non_cx + { + typedef eT elem_type; + typedef typename get_pod_type<eT>::result pod_type; + typedef subview_row_strans<eT> stored_type; + typedef const subview_row_strans<eT>& ea_type; + typedef const subview_row_strans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row_strans<eT> Q; + + inline explicit Proxy_subview_row_htrans_non_cx(const Op<subview_row<eT>, op_htrans>& A) + : Q(A.m) + { + arma_extra_debug_sigprint(); + } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.sv_row.m)) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + }; + + + +template<typename eT, bool condition> +struct Proxy_subview_row_htrans_redirect {}; + +template<typename eT> +struct Proxy_subview_row_htrans_redirect<eT, true> { typedef Proxy_subview_row_htrans_cx<eT> result; }; + +template<typename eT> +struct Proxy_subview_row_htrans_redirect<eT, false> { typedef Proxy_subview_row_htrans_non_cx<eT> result; }; + + + +template<typename eT> +struct Proxy< Op<subview_row<eT>, op_htrans> > + : public + Proxy_subview_row_htrans_redirect + < + eT, + is_cx<eT>::yes + >::result + { + typedef + typename + Proxy_subview_row_htrans_redirect + < + eT, + is_cx<eT>::yes + >::result + Proxy_sv_row_ht; + + typedef typename Proxy_sv_row_ht::elem_type elem_type; + typedef typename Proxy_sv_row_ht::pod_type pod_type; + typedef typename Proxy_sv_row_ht::stored_type stored_type; + typedef typename Proxy_sv_row_ht::ea_type ea_type; + typedef typename Proxy_sv_row_ht::ea_type aligned_ea_type; + + static constexpr bool use_at = Proxy_sv_row_ht::use_at; + static constexpr bool use_mp = Proxy_sv_row_ht::use_mp; + static constexpr bool has_subview = Proxy_sv_row_ht::has_subview; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + using Proxy_sv_row_ht::Q; + + inline explicit Proxy(const Op<subview_row<eT>, op_htrans>& A) + : Proxy_sv_row_ht(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return Proxy_sv_row_ht::is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return Proxy_sv_row_ht::has_overlap(X); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT> +struct Proxy< Op<subview_row<eT>, op_strans> > + { + typedef eT elem_type; + typedef typename get_pod_type<eT>::result pod_type; + typedef subview_row_strans<eT> stored_type; + typedef const subview_row_strans<eT>& ea_type; + typedef const subview_row_strans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row_strans<eT> Q; + + inline explicit Proxy(const Op<subview_row<eT>, op_strans>& A) + : Q(A.m) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.sv_row.m)) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T> +struct Proxy< Op< Row< std::complex<T> >, op_htrans> > + { + typedef typename std::complex<T> eT; + + typedef typename std::complex<T> elem_type; + typedef T pod_type; + typedef xvec_htrans<eT> stored_type; + typedef const xvec_htrans<eT>& ea_type; + typedef const xvec_htrans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + const xvec_htrans<eT> Q; + const Row<eT>& src; + + inline explicit Proxy(const Op< Row< std::complex<T> >, op_htrans>& A) + : Q (A.m.memptr(), A.m.n_rows, A.m.n_cols) + , src(A.m) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return void_ptr(&src) == void_ptr(&X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T> +struct Proxy< Op< Col< std::complex<T> >, op_htrans> > + { + typedef typename std::complex<T> eT; + + typedef typename std::complex<T> elem_type; + typedef T pod_type; + typedef xvec_htrans<eT> stored_type; + typedef const xvec_htrans<eT>& ea_type; + typedef const xvec_htrans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = true; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + const xvec_htrans<eT> Q; + const Col<eT>& src; + + inline explicit Proxy(const Op< Col< std::complex<T> >, op_htrans>& A) + : Q (A.m.memptr(), A.m.n_rows, A.m.n_cols) + , src(A.m) + { + arma_extra_debug_sigprint(); + } + + constexpr uword get_n_rows() const { return 1; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword, const uword c) const { return Q[c]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return void_ptr(&src) == void_ptr(&X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T> +struct Proxy< Op< subview_col< std::complex<T> >, op_htrans> > + { + typedef typename std::complex<T> eT; + + typedef typename std::complex<T> elem_type; + typedef T pod_type; + typedef xvec_htrans<eT> stored_type; + typedef const xvec_htrans<eT>& ea_type; + typedef const xvec_htrans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = true; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + const xvec_htrans<eT> Q; + const subview_col<eT>& src; + + inline explicit Proxy(const Op< subview_col< std::complex<T> >, op_htrans>& A) + : Q (A.m.colptr(0), A.m.n_rows, A.m.n_cols) + , src(A.m) + { + arma_extra_debug_sigprint(); + } + + constexpr uword get_n_rows() const { return 1; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword, const uword c) const { return Q[c]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return void_ptr(&src.m) == void_ptr(&X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename T1> +struct Proxy< Op<T1, op_htrans2> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef eOp< Op<T1, op_htrans>, eop_scalar_times> stored_type; + typedef const eOp< Op<T1, op_htrans>, eop_scalar_times>& ea_type; + typedef const eOp< Op<T1, op_htrans>, eop_scalar_times>& aligned_ea_type; + + static constexpr bool use_at = eOp< Op<T1, op_htrans>, eop_scalar_times>::use_at; + static constexpr bool use_mp = eOp< Op<T1, op_htrans>, eop_scalar_times>::use_mp; + static constexpr bool has_subview = eOp< Op<T1, op_htrans>, eop_scalar_times>::has_subview; + + // NOTE: the Op class takes care of swapping row and col for op_htrans + static constexpr bool is_row = eOp< Op<T1, op_htrans>, eop_scalar_times>::is_row; + static constexpr bool is_col = eOp< Op<T1, op_htrans>, eop_scalar_times>::is_col; + static constexpr bool is_xvec = eOp< Op<T1, op_htrans>, eop_scalar_times>::is_xvec; + + arma_aligned const Op<T1, op_htrans> R; + arma_aligned const eOp< Op<T1, op_htrans>, eop_scalar_times > Q; + + inline explicit Proxy(const Op<T1, op_htrans2>& A) + : R(A.m) + , Q(R, A.aux) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return is_row ? 1 : Q.get_n_rows(); } + arma_inline uword get_n_cols() const { return is_col ? 1 : Q.get_n_cols(); } + arma_inline uword get_n_elem() const { return Q.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r, c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return Q.P.is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return Q.P.is_aligned(); } + }; + + + +template<typename eT> +struct Proxy< subview_row_strans<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview_row_strans<eT> stored_type; + typedef const subview_row_strans<eT>& ea_type; + typedef const subview_row_strans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row_strans<eT>& Q; + + inline explicit Proxy(const subview_row_strans<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.sv_row.m)) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT> +struct Proxy< subview_row_htrans<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef subview_row_htrans<eT> stored_type; + typedef const subview_row_htrans<eT>& ea_type; + typedef const subview_row_htrans<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const subview_row_htrans<eT>& Q; + + inline explicit Proxy(const subview_row_htrans<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q[i]; } + + arma_inline ea_type get_ea() const { return Q; } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.sv_row.m)) == void_ptr(&X)); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + constexpr bool is_aligned() const { return false; } + }; + + + +template<typename eT, bool do_conj> +struct Proxy< xtrans_mat<eT, do_conj> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<eT> stored_type; + typedef const eT* ea_type; + typedef const Mat<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = false; + + arma_aligned const Mat<eT> Q; + + inline explicit Proxy(const xtrans_mat<eT, do_conj>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r,c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename eT> +struct Proxy< xvec_htrans<eT> > + { + typedef eT elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<eT> stored_type; + typedef const eT* ea_type; + typedef const Mat<eT>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = false; + + static constexpr bool is_row = false; + static constexpr bool is_col = false; + static constexpr bool is_xvec = true; + + arma_aligned const Mat<eT> Q; + + inline explicit Proxy(const xvec_htrans<eT>& A) + : Q(A) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + arma_inline uword get_n_cols() const { return Q.n_cols; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword c) const { return Q.at(r,c); } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + constexpr bool is_alias(const Mat<eT2>&) const { return false; } + + template<typename eT2> + constexpr bool has_overlap(const subview<eT2>&) const { return false; } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy_vectorise_col_mat + { + inline Proxy_vectorise_col_mat(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_vectorise_col_mat< Op<T1, op_vectorise_col> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Mat<elem_type> stored_type; + typedef const elem_type* ea_type; + typedef const Mat<elem_type>& aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = false; + static constexpr bool has_subview = true; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const unwrap<T1> U; + arma_aligned const Mat<elem_type> Q; + + inline explicit Proxy_vectorise_col_mat(const Op<T1, op_vectorise_col>& A) + : U(A.m) + , Q(const_cast<elem_type*>(U.M.memptr()), U.M.n_elem, 1, false, false) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return Q.n_rows; } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return Q.n_elem; } + + arma_inline elem_type operator[] (const uword i) const { return Q[i]; } + arma_inline elem_type at (const uword r, const uword) const { return Q[r]; } + arma_inline elem_type at_alt (const uword i) const { return Q.at_alt(i); } + + arma_inline ea_type get_ea() const { return Q.memptr(); } + arma_inline aligned_ea_type get_aligned_ea() const { return Q; } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return ( void_ptr(&X) == void_ptr(&(U.M)) ); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return memory::is_aligned(Q.memptr()); } + }; + + + +template<typename T1> +struct Proxy_vectorise_col_expr + { + inline Proxy_vectorise_col_expr(const T1&) {} + }; + + + +template<typename T1> +struct Proxy_vectorise_col_expr< Op<T1, op_vectorise_col> > + { + typedef typename T1::elem_type elem_type; + typedef typename get_pod_type<elem_type>::result pod_type; + typedef Op<T1, op_vectorise_col> stored_type; + typedef typename Proxy<T1>::ea_type ea_type; + typedef typename Proxy<T1>::aligned_ea_type aligned_ea_type; + + static constexpr bool use_at = false; + static constexpr bool use_mp = Proxy<T1>::use_mp; + static constexpr bool has_subview = Proxy<T1>::has_subview; + + static constexpr bool is_row = false; + static constexpr bool is_col = true; + static constexpr bool is_xvec = false; + + arma_aligned const Op<T1, op_vectorise_col>& Q; + arma_aligned const Proxy<T1> R; + + inline explicit Proxy_vectorise_col_expr(const Op<T1, op_vectorise_col>& A) + : Q(A) + , R(A.m) + { + arma_extra_debug_sigprint(); + } + + arma_inline uword get_n_rows() const { return R.get_n_elem(); } + constexpr uword get_n_cols() const { return 1; } + arma_inline uword get_n_elem() const { return R.get_n_elem(); } + + arma_inline elem_type operator[] (const uword i) const { return R[i]; } + arma_inline elem_type at (const uword r, const uword) const { return R.at(r, 0); } + arma_inline elem_type at_alt (const uword i) const { return R.at_alt(i); } + + arma_inline ea_type get_ea() const { return R.get_ea(); } + arma_inline aligned_ea_type get_aligned_ea() const { return R.get_aligned_ea(); } + + template<typename eT2> + arma_inline bool is_alias(const Mat<eT2>& X) const { return R.is_alias(X); } + + template<typename eT2> + arma_inline bool has_overlap(const subview<eT2>& X) const { return is_alias(X.m); } + + arma_inline bool is_aligned() const { return R.is_aligned(); } + }; + + + +template<typename T1, bool condition> +struct Proxy_vectorise_col_redirect {}; + +template<typename T1> +struct Proxy_vectorise_col_redirect< Op<T1, op_vectorise_col>, true > { typedef Proxy_vectorise_col_mat < Op<T1, op_vectorise_col> > result; }; + +template<typename T1> +struct Proxy_vectorise_col_redirect< Op<T1, op_vectorise_col>, false> { typedef Proxy_vectorise_col_expr< Op<T1, op_vectorise_col> > result; }; + + + +template<typename T1> +struct Proxy< Op<T1, op_vectorise_col> > + : public Proxy_vectorise_col_redirect< Op<T1, op_vectorise_col>, (Proxy<T1>::use_at) >::result + { + typedef typename Proxy_vectorise_col_redirect< Op<T1, op_vectorise_col>, (Proxy<T1>::use_at) >::result Proxy_vectorise_col; + + inline explicit Proxy(const Op<T1, op_vectorise_col>& A) + : Proxy_vectorise_col(A) + { + arma_extra_debug_sigprint(); + } + }; + + + +//! @} |