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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 SpCol
//! @{
//! Class for sparse column vectors (matrices with only one column)
template<typename eT>
class SpCol : public SpMat<eT>
{
public:
typedef eT elem_type;
typedef typename get_pod_type<eT>::result pod_type;
static constexpr bool is_row = false;
static constexpr bool is_col = true;
static constexpr bool is_xvec = false;
inline SpCol();
inline explicit SpCol(const uword n_elem);
inline explicit SpCol(const uword in_rows, const uword in_cols);
inline explicit SpCol(const SizeMat& s);
inline SpCol(const char* text);
inline SpCol& operator=(const char* text);
inline SpCol(const std::string& text);
inline SpCol& operator=(const std::string& text);
inline SpCol& operator=(const eT val);
template<typename T1> inline SpCol(const Base<eT,T1>& X);
template<typename T1> inline SpCol& operator=(const Base<eT,T1>& X);
template<typename T1> inline SpCol(const SpBase<eT,T1>& X);
template<typename T1> inline SpCol& operator=(const SpBase<eT,T1>& X);
template<typename T1, typename T2>
inline explicit SpCol(const SpBase<pod_type,T1>& A, const SpBase<pod_type,T2>& B);
arma_warn_unused inline const SpOp<SpCol<eT>,spop_htrans> t() const;
arma_warn_unused inline const SpOp<SpCol<eT>,spop_htrans> ht() const;
arma_warn_unused inline const SpOp<SpCol<eT>,spop_strans> st() const;
inline void shed_row (const uword row_num);
inline void shed_rows(const uword in_row1, const uword in_row2);
// inline void insert_rows(const uword row_num, const uword N, const bool set_to_zero = true);
typedef typename SpMat<eT>::iterator row_iterator;
typedef typename SpMat<eT>::const_iterator const_row_iterator;
inline row_iterator begin_row(const uword row_num = 0);
inline const_row_iterator begin_row(const uword row_num = 0) const;
inline row_iterator end_row (const uword row_num = 0);
inline const_row_iterator end_row (const uword row_num = 0) const;
#if defined(ARMA_EXTRA_SPCOL_PROTO)
#include ARMA_INCFILE_WRAP(ARMA_EXTRA_SPCOL_PROTO)
#endif
};
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