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armadillo-code/include/armadillo_bits/injector_meat.hpp
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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 injector
//! @{
template<typename T1>
inline
mat_injector<T1>::mat_injector(T1& in_parent, const typename mat_injector<T1>::elem_type val)
: parent(in_parent)
{
arma_debug_sigprint();
values.reserve(16);
rowend.reserve(16);
insert(val);
}
template<typename T1>
inline
mat_injector<T1>::mat_injector(T1& in_parent, const injector_end_of_row<>&)
: parent(in_parent)
{
arma_debug_sigprint();
values.reserve(16);
rowend.reserve(16);
end_of_row();
}
template<typename T1>
inline
mat_injector<T1>::~mat_injector()
{
arma_debug_sigprint();
const uword N = values.size();
if(N == 0) { return; }
uword n_rows = 1;
uword n_cols = 0;
for(uword i=0; i<N; ++i) { n_rows += (rowend[i]) ? uword(1) : uword(0); }
uword n_cols_in_row = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
n_cols = (std::max)(n_cols, n_cols_in_row);
n_cols_in_row = 0;
}
else
{
++n_cols_in_row;
}
}
n_rows = (rowend[N-1]) ? (n_rows-1) : n_rows;
n_cols = (std::max)(n_cols, n_cols_in_row);
if(is_Row<T1>::value)
{
arma_conform_check( (n_rows > 1), "matrix initialisation: incompatible dimensions" );
parent.zeros(1,n_cols);
uword col = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
break;
}
else
{
parent.at(col) = values[i];
++col;
}
}
}
else
if(is_Col<T1>::value)
{
const bool is_vec = ((n_cols == 1) || (n_rows == 1));
arma_conform_check( (is_vec == false), "matrix initialisation: incompatible dimensions" );
if(n_cols == 1)
{
parent.zeros(n_rows,1);
uword row = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
if((i > 0) && rowend[i-1]) { ++row; }
}
else
{
parent.at(row) = values[i];
++row;
}
}
}
else
if(n_rows == 1)
{
parent.zeros(n_cols,1);
uword row = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
break;
}
else
{
parent.at(row) = values[i];
++row;
}
}
}
}
else
{
parent.zeros(n_rows,n_cols);
uword row = 0;
uword col = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
++row;
col = 0;
}
else
{
parent.at(row,col) = values[i];
++col;
}
}
}
}
template<typename T1>
inline
void
mat_injector<T1>::insert(const typename mat_injector<T1>::elem_type val) const
{
arma_debug_sigprint();
values.push_back(val );
rowend.push_back(char(0));
}
template<typename T1>
inline
void
mat_injector<T1>::end_of_row() const
{
arma_debug_sigprint();
typedef typename mat_injector<T1>::elem_type eT;
values.push_back( eT(0));
rowend.push_back(char(1));
}
template<typename T1>
inline
const mat_injector<T1>&
operator<<(const mat_injector<T1>& ref, const typename mat_injector<T1>::elem_type val)
{
arma_debug_sigprint();
ref.insert(val);
return ref;
}
template<typename T1>
inline
const mat_injector<T1>&
operator<<(const mat_injector<T1>& ref, const injector_end_of_row<>&)
{
arma_debug_sigprint();
ref.end_of_row();
return ref;
}
//
//
//
template<typename T1>
inline
field_injector<T1>::field_injector(T1& in_parent, const typename field_injector<T1>::object_type& val)
: parent(in_parent)
{
arma_debug_sigprint();
insert(val);
}
template<typename T1>
inline
field_injector<T1>::field_injector(T1& in_parent, const injector_end_of_row<>&)
: parent(in_parent)
{
arma_debug_sigprint();
end_of_row();
}
template<typename T1>
inline
field_injector<T1>::~field_injector()
{
arma_debug_sigprint();
const uword N = values.size();
if(N == 0) { return; }
uword n_rows = 1;
uword n_cols = 0;
for(uword i=0; i<N; ++i) { n_rows += (rowend[i]) ? uword(1) : uword(0); }
uword n_cols_in_row = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
n_cols = (std::max)(n_cols, n_cols_in_row);
n_cols_in_row = 0;
}
else
{
++n_cols_in_row;
}
}
n_rows = (rowend[N-1]) ? (n_rows-1) : n_rows;
n_cols = (std::max)(n_cols, n_cols_in_row);
parent.set_size(n_rows,n_cols);
uword row = 0;
uword col = 0;
for(uword i=0; i<N; ++i)
{
if(rowend[i])
{
++row;
col = 0;
}
else
{
parent.at(row,col) = std::move(values[i]);
++col;
}
}
}
template<typename T1>
inline
void
field_injector<T1>::insert(const typename field_injector<T1>::object_type& val) const
{
arma_debug_sigprint();
values.push_back(val );
rowend.push_back(char(0));
}
template<typename T1>
inline
void
field_injector<T1>::end_of_row() const
{
arma_debug_sigprint();
typedef typename field_injector<T1>::object_type oT;
values.push_back(oT() );
rowend.push_back(char(1));
}
template<typename T1>
inline
const field_injector<T1>&
operator<<(const field_injector<T1>& ref, const typename field_injector<T1>::object_type& val)
{
arma_debug_sigprint();
ref.insert(val);
return ref;
}
template<typename T1>
inline
const field_injector<T1>&
operator<<(const field_injector<T1>& ref, const injector_end_of_row<>&)
{
arma_debug_sigprint();
ref.end_of_row();
return ref;
}
//! @}