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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 subview_elem2
//! @{
template<typename eT, typename T1, typename T2>
class subview_elem2 : public Base< eT, subview_elem2<eT,T1,T2> >
{
public:
typedef eT elem_type;
typedef typename get_pod_type<elem_type>::result pod_type;
static constexpr bool is_row = false;
static constexpr bool is_col = false;
static constexpr bool is_xvec = false;
arma_aligned const Mat<eT>& m;
arma_aligned const Base<uword,T1>& base_ri;
arma_aligned const Base<uword,T2>& base_ci;
const bool all_rows;
const bool all_cols;
protected:
arma_inline subview_elem2(const Mat<eT>& in_m, const Base<uword,T1>& in_ri, const Base<uword,T2>& in_ci, const bool in_all_rows, const bool in_all_cols);
public:
inline ~subview_elem2();
inline subview_elem2() = delete;
template<typename op_type>
inline void inplace_op(const eT val);
template<typename op_type, typename expr>
inline void inplace_op(const Base<eT,expr>& x);
inline void replace(const eT old_val, const eT new_val);
inline void clean(const pod_type threshold);
inline void clamp(const eT min_val, const eT max_val);
inline void fill(const eT val);
inline void zeros();
inline void ones();
inline void operator+= (const eT val);
inline void operator-= (const eT val);
inline void operator*= (const eT val);
inline void operator/= (const eT val);
// deliberately returning void
template<typename T3, typename T4> inline void operator_equ(const subview_elem2<eT,T3,T4>& x);
template<typename T3, typename T4> inline void operator= (const subview_elem2<eT,T3,T4>& x);
inline void operator= (const subview_elem2<eT,T1,T2>& x);
template<typename T3, typename T4> inline void operator+= (const subview_elem2<eT,T3,T4>& x);
template<typename T3, typename T4> inline void operator-= (const subview_elem2<eT,T3,T4>& x);
template<typename T3, typename T4> inline void operator%= (const subview_elem2<eT,T3,T4>& x);
template<typename T3, typename T4> inline void operator/= (const subview_elem2<eT,T3,T4>& x);
template<typename expr> inline void operator= (const Base<eT,expr>& x);
template<typename expr> inline void operator+= (const Base<eT,expr>& x);
template<typename expr> inline void operator-= (const Base<eT,expr>& x);
template<typename expr> inline void operator%= (const Base<eT,expr>& x);
template<typename expr> inline void operator/= (const Base<eT,expr>& x);
template<typename expr> inline void operator= (const SpBase<eT,expr>& x);
template<typename expr> inline void operator+= (const SpBase<eT,expr>& x);
template<typename expr> inline void operator-= (const SpBase<eT,expr>& x);
template<typename expr> inline void operator%= (const SpBase<eT,expr>& x);
template<typename expr> inline void operator/= (const SpBase<eT,expr>& x);
inline static void extract(Mat<eT>& out, const subview_elem2& in);
inline static void plus_inplace(Mat<eT>& out, const subview_elem2& in);
inline static void minus_inplace(Mat<eT>& out, const subview_elem2& in);
inline static void schur_inplace(Mat<eT>& out, const subview_elem2& in);
inline static void div_inplace(Mat<eT>& out, const subview_elem2& in);
friend class Mat<eT>;
};
//! @}
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