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|
// 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 SpProxy
//! @{
// TODO: clarify and check which variables and functions are valid when 'use_iterator' is either true or false
// 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
//
// const_iterator_type = the type of iterator provided by begin() and begin_col()
// const_row_iterator_type = the type of iterator provided by begin_row()
//
// use_iterator = boolean indicating that the provided iterators must be used for accessing elements
// Q_is_generated = boolean indicating that the Q object was generated by SpProxy
//
// 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_spmat family of classes (ie. Q must be convertible to SpMat)
//
// 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
// get_n_nonzero() = return the number of non-zero elements in Q
//
// operator[i] = linear element accessor; valid only if the 'use_iterator' boolean is false
// at(row,col) = access elements via (row,col); valid only if the 'use_iterator' boolean is false
//
// get_values() = return pointer to the CSC values array in Q; valid only if the 'use_iterator' boolean is false
// get_row_indices() = return pointer to the CSC row indices array in Q; valid only if the 'use_iterator' boolean is false
// get_col_ptrs() = return pointer to the CSC column pointers array in Q; valid only if the 'use_iterator' boolean is false
//
// begin() = column-wise iterator indicating the first element in Q
// begin_col(col_num) = column-wise iterator indicating the first element in column 'col_num' in Q
// begin_row(row_num = 0) = row-wise iterator indicating the first element in row 'row_num' in Q
//
// end() = column-wise iterator indicating the "one-past-end" element in Q
// end_row() = row-wise iterator indicating the "one-past-end" element in Q
// end_row(row_num) = row-wise iterator indicating the "one-past-end" element in row 'row_num' in Q
//
// is_alias(X) = return true/false indicating whether the Q object aliases matrix X
template<typename eT>
struct SpProxy< SpMat<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<eT> stored_type;
typedef typename SpMat<eT>::const_iterator const_iterator_type;
typedef typename SpMat<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = false;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const SpMat<eT>& Q;
inline explicit SpProxy(const SpMat<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
};
template<typename eT>
struct SpProxy< SpCol<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpCol<eT> stored_type;
typedef typename SpCol<eT>::const_iterator const_iterator_type;
typedef typename SpCol<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = false;
static constexpr bool is_col = true;
static constexpr bool is_xvec = false;
arma_aligned const SpCol<eT>& Q;
inline explicit SpProxy(const SpCol<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword) const { return Q.begin(); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
};
template<typename eT>
struct SpProxy< SpRow<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpRow<eT> stored_type;
typedef typename SpRow<eT>::const_iterator const_iterator_type;
typedef typename SpRow<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = true;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const SpRow<eT>& Q;
inline explicit SpProxy(const SpRow<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
};
template<typename eT>
struct SpProxy< SpSubview<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpSubview<eT> stored_type;
typedef typename SpSubview<eT>::const_iterator const_iterator_type;
typedef typename SpSubview<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = true;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = false;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const SpSubview<eT>& Q;
inline explicit SpProxy(const SpSubview<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.m.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.m.values; }
arma_inline const uword* get_row_indices() const { return Q.m.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.m.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q.m) == void_ptr(&X)); }
};
template<typename eT>
struct SpProxy< SpSubview_col<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpSubview_col<eT> stored_type;
typedef typename SpSubview<eT>::const_iterator const_iterator_type;
typedef typename SpSubview<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = true;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = false;
static constexpr bool is_col = true;
static constexpr bool is_xvec = false;
arma_aligned const SpSubview_col<eT>& Q;
inline explicit SpProxy(const SpSubview_col<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.m.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q.at(i, 0); }
arma_inline elem_type at (const uword row, const uword) const { return Q.at(row, 0); }
arma_inline const eT* get_values() const { return Q.m.values; }
arma_inline const uword* get_row_indices() const { return Q.m.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.m.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q.m) == void_ptr(&X)); }
};
template<typename eT, typename T1>
struct SpProxy< SpSubview_col_list<eT,T1> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<eT> stored_type;
typedef typename SpMat<eT>::const_iterator const_iterator_type;
typedef typename SpMat<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = false;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const SpMat<eT> Q;
inline explicit SpProxy(const SpSubview_col_list<eT,T1>& 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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
template<typename eT>
struct SpProxy< SpSubview_row<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpSubview_row<eT> stored_type;
typedef typename SpSubview<eT>::const_iterator const_iterator_type;
typedef typename SpSubview<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = true;
static constexpr bool Q_is_generated = false;
static constexpr bool is_row = true;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const SpSubview_row<eT>& Q;
inline explicit SpProxy(const SpSubview_row<eT>& A)
: Q(A)
{
arma_extra_debug_sigprint();
Q.m.sync();
}
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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q.at(0, i ); }
arma_inline elem_type at (const uword, const uword col) const { return Q.at(0, col); }
arma_inline const eT* get_values() const { return Q.m.values; }
arma_inline const uword* get_row_indices() const { return Q.m.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.m.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
arma_inline bool is_alias(const SpMat<eT2>& X) const { return (void_ptr(&Q.m) == void_ptr(&X)); }
};
template<typename eT>
struct SpProxy< spdiagview<eT> >
{
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<eT> stored_type;
typedef typename SpMat<eT>::const_iterator const_iterator_type;
typedef typename SpMat<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = false;
static constexpr bool is_col = true;
static constexpr bool is_xvec = false;
arma_aligned const SpMat<eT> Q;
inline explicit SpProxy(const spdiagview<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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
template<typename T1, typename spop_type>
struct SpProxy< SpOp<T1, spop_type> >
{
typedef typename T1::elem_type elem_type;
typedef typename T1::elem_type eT;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<eT> stored_type;
typedef typename SpMat<eT>::const_iterator const_iterator_type;
typedef typename SpMat<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = SpOp<T1, spop_type>::is_row;
static constexpr bool is_col = SpOp<T1, spop_type>::is_col;
static constexpr bool is_xvec = SpOp<T1, spop_type>::is_xvec;
arma_aligned const SpMat<eT> Q;
inline explicit SpProxy(const SpOp<T1, spop_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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
template<typename T1, typename T2, typename spglue_type>
struct SpProxy< SpGlue<T1, T2, spglue_type> >
{
typedef typename T1::elem_type elem_type;
typedef typename T1::elem_type eT;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<eT> stored_type;
typedef typename SpMat<eT>::const_iterator const_iterator_type;
typedef typename SpMat<eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = SpGlue<T1, T2, spglue_type>::is_row;
static constexpr bool is_col = SpGlue<T1, T2, spglue_type>::is_col;
static constexpr bool is_xvec = SpGlue<T1, T2, spglue_type>::is_xvec;
arma_aligned const SpMat<eT> Q;
inline explicit SpProxy(const SpGlue<T1, T2, spglue_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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
template<typename out_eT, typename T1, typename spop_type>
struct SpProxy< mtSpOp<out_eT, T1, spop_type> >
{
typedef out_eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<out_eT> stored_type;
typedef typename SpMat<out_eT>::const_iterator const_iterator_type;
typedef typename SpMat<out_eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = mtSpOp<out_eT, T1, spop_type>::is_row;
static constexpr bool is_col = mtSpOp<out_eT, T1, spop_type>::is_col;
static constexpr bool is_xvec = mtSpOp<out_eT, T1, spop_type>::is_xvec;
arma_aligned const SpMat<out_eT> Q;
inline explicit SpProxy(const mtSpOp<out_eT, T1, spop_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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const out_eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
template<typename out_eT, typename T1, typename T2, typename spglue_type>
struct SpProxy< mtSpGlue<out_eT, T1, T2, spglue_type> >
{
typedef out_eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
typedef SpMat<out_eT> stored_type;
typedef typename SpMat<out_eT>::const_iterator const_iterator_type;
typedef typename SpMat<out_eT>::const_row_iterator const_row_iterator_type;
static constexpr bool use_iterator = false;
static constexpr bool Q_is_generated = true;
static constexpr bool is_row = mtSpGlue<out_eT, T1, T2, spglue_type>::is_row;
static constexpr bool is_col = mtSpGlue<out_eT, T1, T2, spglue_type>::is_col;
static constexpr bool is_xvec = mtSpGlue<out_eT, T1, T2, spglue_type>::is_xvec;
arma_aligned const SpMat<out_eT> Q;
inline explicit SpProxy(const mtSpGlue<out_eT, T1, T2, spglue_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 uword get_n_nonzero() const { return Q.n_nonzero; }
arma_inline elem_type operator[](const uword i) const { return Q[i]; }
arma_inline elem_type at (const uword row, const uword col) const { return Q.at(row, col); }
arma_inline const out_eT* get_values() const { return Q.values; }
arma_inline const uword* get_row_indices() const { return Q.row_indices; }
arma_inline const uword* get_col_ptrs() const { return Q.col_ptrs; }
arma_inline const_iterator_type begin() const { return Q.begin(); }
arma_inline const_iterator_type begin_col(const uword col_num) const { return Q.begin_col(col_num); }
arma_inline const_row_iterator_type begin_row(const uword row_num = 0) const { return Q.begin_row(row_num); }
arma_inline const_iterator_type end() const { return Q.end(); }
arma_inline const_row_iterator_type end_row() const { return Q.end_row(); }
arma_inline const_row_iterator_type end_row(const uword row_num) const { return Q.end_row(row_num); }
template<typename eT2>
constexpr bool is_alias(const SpMat<eT2>&) const { return false; }
};
//! @}
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