annotate liboctave/sparse-sort.cc @ 5301:9302581b820d ss-2-9-2

[project @ 2005-04-22 17:08:07 by jwe]
author jwe
date Fri, 22 Apr 2005 17:09:11 +0000
parents 57077d0ddc8e
children 4c8a2e4e0717
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1 /*
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2
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3 Copyright (C) 2004 David Bateman
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4 Copyright (C) 1998-2004 Andy Adler
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5
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6 Octave is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 Octave is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; see the file COPYING. If not, write to the Free
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18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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19
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20 */
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21
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22 #ifdef HAVE_CONFIG_H
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23 #include <config.h>
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24 #endif
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25
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26 #include <cassert>
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27
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28 #include "oct-sort.cc"
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29 #include "quit.h"
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30
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31 #include "sparse-sort.h"
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32
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33 // A simple class and instantiation of the octave merge sort class
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34 // to sort sparse data before matrix creation. This is significantly
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35 // faster than using octave_qsort.
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36
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37 bool
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38 octave_sparse_sidxl_comp (octave_sparse_sort_idxl* i,
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39 octave_sparse_sort_idxl* j)
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40 {
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41 int tmp = i->c - j->c;
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42 if (tmp < 0)
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43 return true;
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44 else if (tmp > 0)
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45 return false;
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46 return (i->r < j->r);
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47 }
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48
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49 // Instantiate the sparse sorting class
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50 template class octave_sort<octave_sparse_sort_idxl *>;
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51
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52 /*
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53 ;;; Local Variables: ***
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54 ;;; mode: C++ ***
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55 ;;; End: ***
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56 */