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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_elem1
//! @{
template<typename eT, typename T1>
class subview_elem1 : public Base< eT, subview_elem1<eT,T1> >
{
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 = true;
static constexpr bool is_xvec = false;
arma_aligned const Mat<eT> fake_m;
arma_aligned const Mat<eT>& m;
arma_aligned const Base<uword,T1>& a;
protected:
arma_inline subview_elem1(const Mat<eT>& in_m, const Base<uword,T1>& in_a);
arma_inline subview_elem1(const Cube<eT>& in_q, const Base<uword,T1>& in_a);
public:
inline ~subview_elem1();
inline subview_elem1() = delete;
template<typename op_type> inline void inplace_op(const eT val);
template<typename op_type, typename T2> inline void inplace_op(const subview_elem1<eT,T2>& x );
template<typename op_type, typename T2> inline void inplace_op(const Base<eT,T2>& x );
arma_inline const Op<subview_elem1<eT,T1>,op_htrans> t() const;
arma_inline const Op<subview_elem1<eT,T1>,op_htrans> ht() const;
arma_inline const Op<subview_elem1<eT,T1>,op_strans> st() const;
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 randu();
inline void randn();
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 T2> inline void operator_equ(const subview_elem1<eT,T2>& x);
template<typename T2> inline void operator= (const subview_elem1<eT,T2>& x);
inline void operator= (const subview_elem1<eT,T1>& x);
template<typename T2> inline void operator+= (const subview_elem1<eT,T2>& x);
template<typename T2> inline void operator-= (const subview_elem1<eT,T2>& x);
template<typename T2> inline void operator%= (const subview_elem1<eT,T2>& x);
template<typename T2> inline void operator/= (const subview_elem1<eT,T2>& x);
template<typename T2> inline void operator= (const Base<eT,T2>& x);
template<typename T2> inline void operator+= (const Base<eT,T2>& x);
template<typename T2> inline void operator-= (const Base<eT,T2>& x);
template<typename T2> inline void operator%= (const Base<eT,T2>& x);
template<typename T2> inline void operator/= (const Base<eT,T2>& x);
inline static void extract(Mat<eT>& out, const subview_elem1& in);
template<typename op_type> inline static void mat_inplace_op(Mat<eT>& out, const subview_elem1& in);
inline static void plus_inplace(Mat<eT>& out, const subview_elem1& in);
inline static void minus_inplace(Mat<eT>& out, const subview_elem1& in);
inline static void schur_inplace(Mat<eT>& out, const subview_elem1& in);
inline static void div_inplace(Mat<eT>& out, const subview_elem1& in);
friend class Mat<eT>;
friend class Cube<eT>;
};
//! @}
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