/* Copyright 2013 IST Austria
Contributed by: Ulrich Bauer, Michael Kerber, 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 . */
#pragma once
#include
namespace phat {
class vector_column_rep {
protected:
std::vector indices;
thread_local_storage< column >* temp_column_buffer;
public:
typedef vector_column_rep Self;
void offer_thread_local_storage(thread_local_storage< column >* tls) {
temp_column_buffer=tls;
}
std::vector::const_iterator begin() const {
return indices.begin();
}
std::vector::const_iterator end() const {
return indices.end();
}
// replaces(!) content of 'col' with boundary of given index
void _get_col( column& col ) const {
col.clear();
col = indices;
}
void _set_col( const column& col ) {
indices = col;
}
// 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.back();
}
// removes the maximal index of a column
void _remove_max() {
indices.pop_back();
}
// 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( const Self& source_col ) {
column& temp_col = (*temp_column_buffer)();
size_t new_size = source_col.indices.size() + this->indices.size();
if (new_size > temp_col.size()) temp_col.resize(new_size);
std::vector::iterator col_end = std::set_symmetric_difference( this->indices.begin(), this->indices.end(),
source_col.indices.begin(), source_col.indices.end(),
temp_col.begin() );
temp_col.erase(col_end, temp_col.end());
this->indices.swap(temp_col);
}
// finalizes given column
void _finalize() {
column(indices.begin(), indices.end()).swap(indices);
}
};
}