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armadillo-code/include/armadillo_bits/op_misc_meat.hpp
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2021-09-21 14:18:36 +10:00

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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 op_misc
//! @{
template<typename T1>
inline
void
op_real::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_real>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const Proxy<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
out.set_size(n_rows, n_cols);
T* out_mem = out.memptr();
if(Proxy<T1>::use_at == false)
{
typedef typename Proxy<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::real( A[i] );
}
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
*out_mem = std::real( P.at(row,col) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_real::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_real>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const ProxyCube<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
const uword n_slices = P.get_n_slices();
out.set_size(n_rows, n_cols, n_slices);
T* out_mem = out.memptr();
if(ProxyCube<T1>::use_at == false)
{
typedef typename ProxyCube<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::real( A[i] );
}
}
else
{
for(uword slice=0; slice < n_slices; ++slice)
for(uword col=0; col < n_cols; ++col )
for(uword row=0; row < n_rows; ++row )
{
*out_mem = std::real( P.at(row,col,slice) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_imag::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_imag>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const Proxy<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
out.set_size(n_rows, n_cols);
T* out_mem = out.memptr();
if(Proxy<T1>::use_at == false)
{
typedef typename Proxy<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::imag( A[i] );
}
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
*out_mem = std::imag( P.at(row,col) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_imag::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_imag>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const ProxyCube<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
const uword n_slices = P.get_n_slices();
out.set_size(n_rows, n_cols, n_slices);
T* out_mem = out.memptr();
if(ProxyCube<T1>::use_at == false)
{
typedef typename ProxyCube<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::imag( A[i] );
}
}
else
{
for(uword slice=0; slice < n_slices; ++slice)
for(uword col=0; col < n_cols; ++col )
for(uword row=0; row < n_rows; ++row )
{
*out_mem = std::imag( P.at(row,col,slice) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_abs::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_abs>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const Proxy<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
out.set_size(n_rows, n_cols);
T* out_mem = out.memptr();
if(Proxy<T1>::use_at == false)
{
typedef typename Proxy<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
#if defined(ARMA_USE_OPENMP)
{
const int n_threads = mp_thread_limit::get();
#pragma omp parallel for schedule(static) num_threads(n_threads)
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::abs( A[i] );
}
}
#else
{
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::abs( A[i] );
}
}
#endif
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
*out_mem = std::abs( P.at(row,col) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_abs::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_abs>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::pod_type T;
const ProxyCube<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
const uword n_slices = P.get_n_slices();
out.set_size(n_rows, n_cols, n_slices);
T* out_mem = out.memptr();
if(ProxyCube<T1>::use_at == false)
{
typedef typename ProxyCube<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
#if defined(ARMA_USE_OPENMP)
{
const int n_threads = mp_thread_limit::get();
#pragma omp parallel for schedule(static) num_threads(n_threads)
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::abs( A[i] );
}
}
#else
{
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = std::abs( A[i] );
}
}
#endif
}
else
{
for(uword slice=0; slice < n_slices; ++slice)
for(uword col=0; col < n_cols; ++col )
for(uword row=0; row < n_rows; ++row )
{
*out_mem = std::abs( P.at(row,col,slice) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_arg::apply( Mat<typename T1::pod_type>& out, const mtOp<typename T1::pod_type, T1, op_arg>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
typedef typename T1::pod_type T;
const Proxy<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
out.set_size(n_rows, n_cols);
T* out_mem = out.memptr();
if(Proxy<T1>::use_at == false)
{
typedef typename Proxy<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = arma_arg<eT>::eval( A[i] );
}
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
*out_mem = arma_arg<eT>::eval( P.at(row,col) );
out_mem++;
}
}
}
template<typename T1>
inline
void
op_arg::apply( Cube<typename T1::pod_type>& out, const mtOpCube<typename T1::pod_type, T1, op_arg>& X )
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
typedef typename T1::pod_type T;
const ProxyCube<T1> P(X.m);
const uword n_rows = P.get_n_rows();
const uword n_cols = P.get_n_cols();
const uword n_slices = P.get_n_slices();
out.set_size(n_rows, n_cols, n_slices);
T* out_mem = out.memptr();
if(ProxyCube<T1>::use_at == false)
{
typedef typename ProxyCube<T1>::ea_type ea_type;
const uword n_elem = P.get_n_elem();
ea_type A = P.get_ea();
for(uword i=0; i < n_elem; ++i)
{
out_mem[i] = arma_arg<eT>::eval( A[i] );
}
}
else
{
for(uword slice=0; slice < n_slices; ++slice)
for(uword col=0; col < n_cols; ++col )
for(uword row=0; row < n_rows; ++row )
{
*out_mem = arma_arg<eT>::eval( P.at(row,col,slice) );
out_mem++;
}
}
}
//! @}