sorting.h

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/* Copyright (C) 2003-2012 Oliver Lemke  <olemke@core-dump.info>
 
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   later version.
 
   This program 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 General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
   USA.
   */
 
//   File description
 
#ifndef sorting_h
#define sorting_h
 
#include <algorithm>
#include <functional>
 
#include "array.h"
#include "matpack.h"
 
 
template <typename T>
void get_sorted_indexes(ArrayOfIndex& sorted, const T& data) {
  sorted.resize(0);
 
  Index i = 0;
  for (typename T::const_iterator it = data.begin(); it != data.end(); ++it) {
    sorted.push_back(i);
    i++;
  }
 
  sort(sorted.begin(), sorted.end(), [&data](const Index a, const Index b) {
    return data[a] < data[b];
  });
}
 
#endif /* sorting_h */