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/* Copyright 2013 IST Austria
Contributed by: Jan Reininghaus
This file is part of PHAT.
PHAT is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PHAT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PHAT. If not, see <http://www.gnu.org/licenses/>. */
#pragma once
#include <phat/helpers/misc.h>
namespace phat {
class list_column_rep {
protected:
std::list< index > indices;
public:
typedef list_column_rep Self;
std::list<index>::const_iterator begin() const {
return indices.begin();
}
std::list<index>::const_iterator end() const {
return indices.end();
}
void offer_thread_local_storage(thread_local_storage< column >* tls) {
}
// replaces(!) content of 'col' with boundary of given index
void _get_col( column& col ) const {
col.clear();
col.reserve( indices.size() );
std::copy (indices.begin(), indices.end(), std::back_inserter(col) );
}
void _set_col( const column& col ) {
indices.clear();
indices.resize( col.size() );
std::copy (col.begin(), col.end(), indices.begin() );
}
void _set_nr_of_rows( int nr_of_rows ) {
// ignore
}
// true iff boundary of given idx is empty
bool _is_empty() const {
return indices.empty();
}
// largest row index of given column idx (new name for lowestOne())
index _get_max_index() const {
return indices.empty() ? -1 : *indices.rbegin();
}
// removes the maximal index of a column
void _remove_max() {
std::list< index >::iterator it = indices.end();
it--;
indices.erase( it );
}
// clears given column
void _clear() {
indices.clear();
}
// syncronizes all data structures (essential for openmp stuff)
void _sync() {}
// adds column 'source' to column 'target'
void _add_to( Self& source) {
std::list< index >& source_col = source.indices;
std::list< index >& target_col = this->indices;
std::list< index > temp_col;
target_col.swap( temp_col );
std::set_symmetric_difference( temp_col.begin(), temp_col.end(),
source_col.begin(), source_col.end(),
std::back_inserter( target_col ) );
}
// finalizes given column
void _finalize() {
}
};
}
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