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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 |
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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19 Boston, MA 02110-1301, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <cassert> |
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28 |
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29 #include "oct-sort.cc" |
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30 #include "quit.h" |
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31 |
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32 #include "sparse-sort.h" |
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33 |
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34 // A simple class and instantiation of the octave merge sort class |
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35 // to sort sparse data before matrix creation. This is significantly |
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36 // faster than using octave_qsort. |
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37 |
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38 bool |
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39 octave_sparse_sidxl_comp (octave_sparse_sort_idxl* i, |
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40 octave_sparse_sort_idxl* j) |
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41 { |
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42 octave_idx_type tmp = i->c - j->c; |
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43 if (tmp < 0) |
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44 return true; |
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45 else if (tmp > 0) |
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46 return false; |
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47 return (i->r < j->r); |
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48 } |
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49 |
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50 // Instantiate the sparse sorting class |
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51 template class octave_sort<octave_sparse_sort_idxl *>; |
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52 |
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53 // Need to know the original order of the sorted indexes in |
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54 // sparse assignments, and this class does that |
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55 bool |
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56 octave_idx_vector_comp (octave_idx_vector_sort* i, |
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57 octave_idx_vector_sort* j) |
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58 { |
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59 return (i->i < j->i); |
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60 } |
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61 |
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62 // Instantiate the sparse index sorting class |
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63 template class octave_sort<octave_idx_vector_sort *>; |
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64 |
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65 // Instantiate the sorting class of octave_idx_type, need in MUL macro |
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66 template class octave_sort<octave_idx_type>; |
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67 |
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68 /* |
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69 ;;; Local Variables: *** |
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70 ;;; mode: C++ *** |
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71 ;;; End: *** |
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72 */ |
