103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
// 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 op_reverse
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//! @{
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template<typename T1>
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inline
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void
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op_reverse::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_reverse>& in)
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{
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arma_extra_debug_sigprint();
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const uword dim = in.aux_uword_a;
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arma_debug_check( (dim > 1), "reverse(): parameter 'dim' must be 0 or 1" );
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const Proxy<T1> P(in.m);
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if(is_Mat<typename Proxy<T1>::stored_type>::value || P.is_alias(out))
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{
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const unwrap<typename Proxy<T1>::stored_type> U(P.Q);
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if(dim == 0)
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{
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op_flipud::apply_direct(out, U.M);
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}
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else
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if(dim == 1)
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{
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op_fliplr::apply_direct(out, U.M);
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}
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}
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else
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{
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if(dim == 0)
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{
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op_flipud::apply_proxy_noalias(out, P);
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}
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else
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if(dim == 1)
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{
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op_fliplr::apply_proxy_noalias(out, P);
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}
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}
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}
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template<typename T1>
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inline
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void
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op_reverse_vec::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_reverse_vec>& in)
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{
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arma_extra_debug_sigprint();
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const Proxy<T1> P(in.m);
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if(is_Mat<typename Proxy<T1>::stored_type>::value || P.is_alias(out))
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{
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const unwrap<typename Proxy<T1>::stored_type> U(P.Q);
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if((T1::is_xvec) ? bool(U.M.is_rowvec()) : bool(T1::is_row))
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{
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op_fliplr::apply_direct(out, U.M);
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}
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else
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{
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op_flipud::apply_direct(out, U.M);
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}
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}
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else
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{
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if((T1::is_xvec) ? bool(P.get_n_rows() == 1) : bool(T1::is_row))
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{
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op_fliplr::apply_proxy_noalias(out, P);
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}
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else
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{
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op_flipud::apply_proxy_noalias(out, P);
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}
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}
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}
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//! @}
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