65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup Gen
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//! @{
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//! support class for generator functions (zeros, ones, eye)
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template<typename T1, typename gen_type>
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class Gen
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: public Base< typename T1::elem_type, Gen<T1, gen_type> >
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{
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public:
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typedef typename T1::elem_type elem_type;
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typedef typename get_pod_type<elem_type>::result pod_type;
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static constexpr bool use_at = (is_same_type<gen_type, gen_eye>::value);
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static constexpr bool is_simple = (is_same_type<gen_type, gen_ones>::value) || (is_same_type<gen_type, gen_zeros>::value);
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static constexpr bool is_row = T1::is_row;
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static constexpr bool is_col = T1::is_col;
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static constexpr bool is_xvec = T1::is_xvec;
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const uword n_rows;
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const uword n_cols;
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arma_inline Gen(const uword in_n_rows, const uword in_n_cols);
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arma_inline ~Gen();
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arma_inline elem_type operator[] (const uword ii) const;
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arma_inline elem_type at (const uword r, const uword c) const;
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arma_inline elem_type at_alt (const uword ii) const;
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inline void apply (Mat<elem_type>& out) const;
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inline void apply_inplace_plus (Mat<elem_type>& out) const;
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inline void apply_inplace_minus(Mat<elem_type>& out) const;
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inline void apply_inplace_schur(Mat<elem_type>& out) const;
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inline void apply_inplace_div (Mat<elem_type>& out) const;
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inline void apply(subview<elem_type>& out) const;
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template<typename eT2>
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constexpr bool is_alias(const Mat<eT2>&) const { return false; }
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};
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//! @}
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