626 lines
12 KiB
C++
626 lines
12 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (https://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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// https://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_elem
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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_real::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_real>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::pod_type T;
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const Proxy<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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out.set_size(n_rows, n_cols);
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T* out_mem = out.memptr();
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if(Proxy<T1>::use_at == false)
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{
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typedef typename Proxy<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::real( A[i] );
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}
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}
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else
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{
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for(uword col=0; col < n_cols; ++col)
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for(uword row=0; row < n_rows; ++row)
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{
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*out_mem = std::real( P.at(row,col) );
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out_mem++;
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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_real::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_real>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::pod_type T;
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const ProxyCube<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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const uword n_slices = P.get_n_slices();
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out.set_size(n_rows, n_cols, n_slices);
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T* out_mem = out.memptr();
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if(ProxyCube<T1>::use_at == false)
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{
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typedef typename ProxyCube<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::real( A[i] );
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}
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}
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else
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{
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for(uword slice=0; slice < n_slices; ++slice)
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for(uword col=0; col < n_cols; ++col )
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for(uword row=0; row < n_rows; ++row )
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{
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*out_mem = std::real( P.at(row,col,slice) );
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out_mem++;
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}
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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_imag::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_imag>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::elem_type eT;
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typedef typename T1::pod_type T;
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const Proxy<T1> P(X.m);
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if(is_cx<eT>::no) { out.zeros(P.get_n_rows(), P.get_n_cols()); return; }
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// aliasing not possible at this point, as eT must be std::complex
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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out.set_size(n_rows, n_cols);
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T* out_mem = out.memptr();
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if(Proxy<T1>::use_at == false)
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{
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typedef typename Proxy<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = access::tmp_imag( A[i] );
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}
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}
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else
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{
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for(uword col=0; col < n_cols; ++col)
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for(uword row=0; row < n_rows; ++row)
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{
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*out_mem = access::tmp_imag( P.at(row,col) );
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out_mem++;
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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_imag::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_imag>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::elem_type eT;
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typedef typename T1::pod_type T;
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const ProxyCube<T1> P(X.m);
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if(is_cx<eT>::no) { out.zeros(P.get_n_rows(), P.get_n_cols(), P.get_n_slices()); return; }
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// aliasing not possible at this point, as eT must be std::complex
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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const uword n_slices = P.get_n_slices();
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out.set_size(n_rows, n_cols, n_slices);
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T* out_mem = out.memptr();
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if(ProxyCube<T1>::use_at == false)
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{
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typedef typename ProxyCube<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = access::tmp_imag( A[i] );
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}
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}
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else
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{
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for(uword slice=0; slice < n_slices; ++slice)
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for(uword col=0; col < n_cols; ++col )
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for(uword row=0; row < n_rows; ++row )
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{
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*out_mem = access::tmp_imag( P.at(row,col,slice) );
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out_mem++;
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}
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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_abs::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_abs>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::pod_type T;
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const Proxy<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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out.set_size(n_rows, n_cols);
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T* out_mem = out.memptr();
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if(Proxy<T1>::use_at == false)
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{
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typedef typename Proxy<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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#if defined(ARMA_USE_OPENMP)
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{
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const int n_threads = mp_thread_limit::get();
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#pragma omp parallel for schedule(static) num_threads(n_threads)
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::abs( A[i] );
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}
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}
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#else
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{
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::abs( A[i] );
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}
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}
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#endif
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}
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else
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{
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for(uword col=0; col < n_cols; ++col)
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for(uword row=0; row < n_rows; ++row)
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{
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*out_mem = std::abs( P.at(row,col) );
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out_mem++;
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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_abs::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_abs>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::pod_type T;
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const ProxyCube<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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const uword n_slices = P.get_n_slices();
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out.set_size(n_rows, n_cols, n_slices);
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T* out_mem = out.memptr();
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if(ProxyCube<T1>::use_at == false)
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{
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typedef typename ProxyCube<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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#if defined(ARMA_USE_OPENMP)
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{
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const int n_threads = mp_thread_limit::get();
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#pragma omp parallel for schedule(static) num_threads(n_threads)
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::abs( A[i] );
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}
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}
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#else
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{
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = std::abs( A[i] );
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}
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}
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#endif
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}
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else
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{
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for(uword slice=0; slice < n_slices; ++slice)
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for(uword col=0; col < n_cols; ++col )
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for(uword row=0; row < n_rows; ++row )
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{
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*out_mem = std::abs( P.at(row,col,slice) );
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out_mem++;
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}
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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_arg::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_arg>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::elem_type eT;
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typedef typename T1::pod_type T;
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const Proxy<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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out.set_size(n_rows, n_cols);
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T* out_mem = out.memptr();
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if(Proxy<T1>::use_at == false)
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{
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typedef typename Proxy<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = arma_arg<eT>::eval( A[i] );
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}
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}
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else
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{
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for(uword col=0; col < n_cols; ++col)
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for(uword row=0; row < n_rows; ++row)
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{
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*out_mem = arma_arg<eT>::eval( P.at(row,col) );
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out_mem++;
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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_arg::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_arg>& X )
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{
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arma_debug_sigprint();
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typedef typename T1::elem_type eT;
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typedef typename T1::pod_type T;
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const ProxyCube<T1> P(X.m);
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const uword n_rows = P.get_n_rows();
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const uword n_cols = P.get_n_cols();
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const uword n_slices = P.get_n_slices();
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out.set_size(n_rows, n_cols, n_slices);
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T* out_mem = out.memptr();
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if(ProxyCube<T1>::use_at == false)
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{
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typedef typename ProxyCube<T1>::ea_type ea_type;
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const uword n_elem = P.get_n_elem();
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ea_type A = P.get_ea();
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for(uword i=0; i < n_elem; ++i)
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{
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out_mem[i] = arma_arg<eT>::eval( A[i] );
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}
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}
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else
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{
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for(uword slice=0; slice < n_slices; ++slice)
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for(uword col=0; col < n_cols; ++col )
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for(uword row=0; row < n_rows; ++row )
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{
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*out_mem = arma_arg<eT>::eval( P.at(row,col,slice) );
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out_mem++;
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}
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}
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}
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//
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template<typename eT, typename T1>
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inline
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void
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op_replace::apply(Mat<eT>& out, const mtOp<eT,T1,op_replace>& in)
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{
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arma_debug_sigprint();
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const eT old_val = in.aux;
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const eT new_val = in.aux_out_eT;
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out = in.m;
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out.replace(old_val, new_val);
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}
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template<typename eT, typename T1>
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inline
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void
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op_replace::apply(Cube<eT>& out, const mtOpCube<eT,T1,op_replace>& in)
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{
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arma_debug_sigprint();
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const eT old_val = in.aux;
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const eT new_val = in.aux_out_eT;
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out = in.m;
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out.replace(old_val, new_val);
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}
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//
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template<typename eT>
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inline
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typename get_pod_type<eT>::result
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op_eps::direct_eps(const eT& x)
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{
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typedef typename get_pod_type<eT>::result T;
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const T xx = std::abs(x);
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const T yy = std::nextafter(xx, std::numeric_limits<T>::infinity());
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return (yy - xx);
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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_eps::apply(Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_eps>& in)
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{
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arma_debug_sigprint();
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typedef typename T1::pod_type T;
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if(Proxy<T1>::use_at || is_Mat<T1>::value || is_subview_col<T1>::value || is_Mat<typename Proxy<T1>::stored_type>::value || (arma_config::openmp && Proxy<T1>::use_mp))
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{
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const quasi_unwrap<T1> U(in.m);
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if(U.is_alias(out))
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{
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Mat<T> tmp;
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op_eps::apply_mat_noalias(tmp, U.M);
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out.steal_mem(tmp);
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}
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else
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{
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op_eps::apply_mat_noalias(out, U.M);
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}
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}
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else
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{
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const Proxy<T1> P(in.m);
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if(P.is_alias(out))
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{
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Mat<T> tmp;
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op_eps::apply_proxy_noalias(tmp, P);
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out.steal_mem(tmp);
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}
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else
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{
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op_eps::apply_proxy_noalias(out, P);
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}
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}
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}
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template<typename T, typename eT>
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inline
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void
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op_eps::apply_mat_noalias(Mat<T>& out, const Mat<eT>& X)
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{
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arma_debug_sigprint();
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out.set_size(X.n_rows, X.n_cols);
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T* out_mem = out.memptr();
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const eT* X_mem = X.memptr();
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const uword n_elem = X.n_elem;
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for(uword i=0; i<n_elem; ++i)
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{
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out_mem[i] = op_eps::direct_eps( X_mem[i] );
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}
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}
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template<typename T, typename T1>
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inline
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void
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op_eps::apply_proxy_noalias(Mat<T>& out, const Proxy<T1>& P)
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{
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arma_debug_sigprint();
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out.set_size(P.get_n_rows(), P.get_n_cols());
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T* out_mem = out.memptr();
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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const uword n_elem = P.get_n_elem();
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for(uword i=0; i<n_elem; ++i)
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{
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out_mem[i] = op_eps::direct_eps( Pea[i] );
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}
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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_eps::apply(Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_eps>& in)
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|
{
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|
arma_debug_sigprint();
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|
|
|
typedef typename T1::pod_type T;
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|
|
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const unwrap_cube<T1> U(in.m);
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|
|
|
if(U.is_alias(out))
|
|
{
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|
Cube<T> tmp;
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|
|
|
op_eps::apply_noalias(tmp, U.M);
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|
|
|
out.steal_mem(tmp);
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|
}
|
|
else
|
|
{
|
|
op_eps::apply_noalias(out, U.M);
|
|
}
|
|
}
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|
|
|
|
|
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|
template<typename T, typename eT>
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|
inline
|
|
void
|
|
op_eps::apply_noalias(Cube<T>& out, const Cube<eT>& X)
|
|
{
|
|
arma_debug_sigprint();
|
|
|
|
out.set_size(X.n_rows, X.n_cols, X.n_slices);
|
|
|
|
T* out_mem = out.memptr();
|
|
const eT* X_mem = X.memptr();
|
|
|
|
const uword n_elem = X.n_elem;
|
|
|
|
for(uword i=0; i<n_elem; ++i)
|
|
{
|
|
out_mem[i] = op_eps::direct_eps( X_mem[i] );
|
|
}
|
|
}
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|
|
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//! @}
|