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annotate liboctave/array/Array-fC.cc @ 17795:0a8c35ae5ce1

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maint: Fix various problems with GPL copyright statements. * libgui/qterminal/libqterminal/QTerminal.cc, libgui/qterminal/libqterminal/QTerminal.h, libgui/qterminal/libqterminal/win32/QTerminalColors.cpp, libgui/qterminal/libqterminal/win32/QTerminalColors.h, libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp, libgui/qterminal/libqterminal/win32/QWinTerminalImpl.h: Replace "Foobar" with "This program" in GPL statement. * scripts/linear-algebra/linsolve.m: Replace "This program" with "Octave" in * GPL statement. * scripts/miscellaneous/getappdata.m, scripts/miscellaneous/isappdata.m, scripts/miscellaneous/rmappdata.m, scripts/miscellaneous/setappdata.m: Add "This file is part of Octave" line. Replace "This program" with "Octave" in GPL statement. Update GPL version to 3. * scripts/plot/util/copyobj.m, scripts/plot/util/hdl2struct.m, scripts/plot/util/struct2hdl.m, scripts/polynomial/ppder.m, scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m, scripts/sparse/bicg.m, scripts/strings/untabify.m: Replace "This program" with "Octave" in GPL statement.
author Rik <rik@octave.org>
date Tue, 29 Oct 2013 12:31:57 -0700
parents 49a5a4be04a1
children fb09907f4e49
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1 /*
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2
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3 Copyright (C) 1994-2013 John W. Eaton
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4 Copyright (C) 2009 VZLU Prague
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 // Instantiate Arrays of FloatComplex values.
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29
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30 #include "oct-cmplx.h"
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31 #include "lo-mappers.h"
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32
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33 #include "Array.h"
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34 #include "Array.cc"
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35 #include "oct-sort.cc"
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36
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37 template <>
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38 inline bool
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39 sort_isnan<FloatComplex> (const FloatComplex& x)
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40 {
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41 return xisnan (x);
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42 }
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43
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44 static bool
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45 nan_ascending_compare (const FloatComplex& x, const FloatComplex& y)
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46 {
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47 return (xisnan (y)
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48 ? ! xisnan (x)
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49 : ((std::abs (x) < std::abs (x))
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50 || ((std::abs (x) == std::abs (x)) && (arg (x) < arg (x)))));
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51 }
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52
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53 static bool
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54 nan_descending_compare (const FloatComplex& x, const FloatComplex& y)
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55 {
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56 return (xisnan (x)
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57 ? ! xisnan (y)
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58 : ((std::abs (x) > std::abs (x))
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59 || ((std::abs (x) == std::abs (x)) && (arg (x) > arg (x)))));
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60 }
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61
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62 Array<FloatComplex>::compare_fcn_type
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63 safe_comparator (sortmode mode, const Array<FloatComplex>& a, bool allow_chk)
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64 {
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65 Array<FloatComplex>::compare_fcn_type result = 0;
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66
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67 if (allow_chk)
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68 {
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69 octave_idx_type k = 0;
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70 for (; k < a.numel () && ! xisnan (a(k)); k++) ;
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71 if (k == a.numel ())
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72 {
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73 if (mode == ASCENDING)
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74 result = octave_sort<FloatComplex>::ascending_compare;
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75 else if (mode == DESCENDING)
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76 result = octave_sort<FloatComplex>::descending_compare;
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77 }
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78 }
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79
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80 if (! result)
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81 {
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82 if (mode == ASCENDING)
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83 result = nan_ascending_compare;
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84 else if (mode == DESCENDING)
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85 result = nan_descending_compare;
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86 }
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87
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88 return result;
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89 }
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90
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91 INSTANTIATE_ARRAY_SORT (FloatComplex);
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92
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93 INSTANTIATE_ARRAY (FloatComplex, OCTAVE_API);
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94
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95 template OCTAVE_API std::ostream& operator << (std::ostream&,
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96 const Array<FloatComplex>&);
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97
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98 #include "DiagArray2.h"
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99 #include "DiagArray2.cc"
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100
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101 template class OCTAVE_API DiagArray2<FloatComplex>;