155 lines
3.4 KiB
C++
155 lines
3.4 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 fn_resize
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//! @{
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template<typename T1>
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arma_warn_unused
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inline
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const Op<T1, op_resize>
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resize(const Base<typename T1::elem_type,T1>& X, const uword in_n_rows, const uword in_n_cols)
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{
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arma_debug_sigprint();
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return Op<T1, op_resize>(X.get_ref(), in_n_rows, in_n_cols);
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}
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template<typename T1>
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arma_warn_unused
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inline
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const Op<T1, op_resize>
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resize(const Base<typename T1::elem_type,T1>& X, const SizeMat& s)
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{
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arma_debug_sigprint();
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return Op<T1, op_resize>(X.get_ref(), s.n_rows, s.n_cols);
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}
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template<typename T1>
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arma_warn_unused
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inline
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const OpCube<T1, op_resize>
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resize(const BaseCube<typename T1::elem_type,T1>& X, const uword in_n_rows, const uword in_n_cols, const uword in_n_slices)
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{
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arma_debug_sigprint();
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return OpCube<T1, op_resize>(X.get_ref(), in_n_rows, in_n_cols, in_n_slices);
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}
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template<typename T1>
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arma_warn_unused
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inline
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const OpCube<T1, op_resize>
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resize(const BaseCube<typename T1::elem_type,T1>& X, const SizeCube& s)
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{
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arma_debug_sigprint();
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return OpCube<T1, op_resize>(X.get_ref(), s.n_rows, s.n_cols, s.n_slices);
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}
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template<typename T1>
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arma_warn_unused
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inline
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const SpOp<T1, spop_resize>
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resize(const SpBase<typename T1::elem_type, T1>& X, const uword in_n_rows, const uword in_n_cols)
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{
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arma_debug_sigprint();
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return SpOp<T1, spop_resize>(X.get_ref(), in_n_rows, in_n_cols);
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}
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template<typename T1>
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arma_warn_unused
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inline
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const SpOp<T1, spop_resize>
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resize(const SpBase<typename T1::elem_type, T1>& X, const SizeMat& s)
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{
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arma_debug_sigprint();
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return SpOp<T1, spop_resize>(X.get_ref(), s.n_rows, s.n_cols);
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}
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template<typename oT>
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arma_warn_unused
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inline
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field<oT>
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resize(const field<oT>& A, const uword in_n_rows, const uword in_n_cols, const uword in_n_slices = uword(1))
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{
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arma_debug_sigprint();
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// better-than-nothing implementation
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field<oT> B(in_n_rows, in_n_cols, in_n_slices);
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if((B.n_elem > 0) && (A.n_elem > 0))
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{
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const uword end_row = (std::min)(in_n_rows, A.n_rows ) - 1;
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const uword end_col = (std::min)(in_n_cols, A.n_cols ) - 1;
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const uword end_slice = (std::min)(in_n_slices, A.n_slices) - 1;
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B.subfield(0, 0, 0, end_row, end_col, end_slice) = A.subfield(0, 0, 0, end_row, end_col, end_slice);
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}
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return B;
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}
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template<typename oT>
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arma_warn_unused
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inline
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field<oT>
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resize(const field<oT>& A, const SizeMat& s)
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{
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arma_debug_sigprint();
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return resize(A, s.n_rows, s.n_cols);
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}
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template<typename oT>
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arma_warn_unused
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inline
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field<oT>
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resize(const field<oT>& A, const SizeCube& s)
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{
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arma_debug_sigprint();
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return resize(A, s.n_rows, s.n_cols, s.n_slices);
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}
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//! @}
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