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annotate liboctave/array/Array-C.cc @ 20595:c1a6c31ac29a

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eliminate more simple uses of error_state * ov-classdef.cc: Eliminate simple uses of error_state.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Oct 2015 00:20:02 -0400
parents 40b2c4323c16
children
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1 /*
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2
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3 Copyright (C) 1994-2015 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 Complex 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<Complex> (const Complex& 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 // Sort Criteria: 1) isnan, 2) magnitude of z, 3) phase of z in range (-pi, pi]
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45
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46 static bool
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47 nan_ascending_compare (const Complex& x, const Complex& y)
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48 {
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49 return xisnan (y) ? ! xisnan (x) : x < y;
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50 }
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51
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52 static bool
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53 nan_descending_compare (const Complex& x, const Complex& y)
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54 {
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55 return xisnan (x) ? ! xisnan (y) : x > y;
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56 }
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57
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58 Array<Complex>::compare_fcn_type
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59 safe_comparator (sortmode mode, const Array<Complex>& a , bool allow_chk)
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60 {
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61 Array<Complex>::compare_fcn_type result = 0;
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62
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63 if (allow_chk)
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64 {
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65 octave_idx_type k = 0;
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66 for (; k < a.numel () && ! xisnan (a(k)); k++) ;
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67 if (k == a.numel ())
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68 {
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69 if (mode == ASCENDING)
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70 result = octave_sort<Complex>::ascending_compare;
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71 else if (mode == DESCENDING)
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72 result = octave_sort<Complex>::descending_compare;
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73 }
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74 }
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75
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76 if (! result)
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77 {
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78 if (mode == ASCENDING)
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79 result = nan_ascending_compare;
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80 else if (mode == DESCENDING)
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81 result = nan_descending_compare;
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82 }
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83
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84 return result;
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85 }
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86
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87 template class OCTAVE_API octave_sort<Complex>;
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88
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89 INSTANTIATE_ARRAY (Complex, OCTAVE_API);
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90
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91 template OCTAVE_API std::ostream& operator << (std::ostream&,
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92 const Array<Complex>&);
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93
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94 #include "DiagArray2.h"
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95 #include "DiagArray2.cc"
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96
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97 template class OCTAVE_API DiagArray2<Complex>;