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annotate liboctave/array/Array-b.cc @ 20762:f90c8372b7ba

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eliminate many more simple uses of error_state * Cell.cc, __ichol__.cc, __ilu__.cc, balance.cc, bsxfun.cc, colloc.cc, det.cc, dlmread.cc, dynamic-ld.cc, eig.cc, fft.cc, fft2.cc, fftn.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc, hess.cc, input.cc, levenshtein.cc, load-path.cc, lookup.cc, ls-mat-ascii.cc, ls-mat4.cc, lsode.cc, lu.cc, max.cc, md5sum.cc, mex.cc, pager.cc, pinv.cc, pr-output.cc, qz.cc, schur.cc, sparse.cc, sqrtm.cc, str2double.cc, strfns.cc, sub2ind.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, fftw.cc, symrcm.cc, ov-base-diag.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, op-bm-b.cc, op-bm-bm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-str-m.cc, op-str-s.cc, oct-parse.in.yy, pt-cbinop.cc, pt-colon.cc, pt-decl.cc, pt-exp.cc, pt-id.cc, pt-misc.cc, pt-select.cc, pt-unop.cc: Eliminate simple uses of error_state.
author John W. Eaton <jwe@octave.org>
date Mon, 05 Oct 2015 19:29:36 -0400
parents 4197fc428c7d
children
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1 /*
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2
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3 Copyright (C) 1996-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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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 // Instantiate Arrays of bool values.
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28
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29 #include "Array.h"
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30 #include "Array.cc"
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31 #define INLINE_ASCENDING_SORT
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32 #define INLINE_DESCENDING_SORT
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33 #include "oct-sort.cc"
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34
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35 // Specialize bool sorting (aka stable partitioning).
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36
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37 template<bool desc>
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38 static void do_bool_partition (bool *data, octave_idx_type nel)
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39 {
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40 octave_idx_type k = 0;
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41 for (octave_idx_type i = 0; i < nel; i++)
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42 if (data[i] == desc)
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43 data[k++] = desc;
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44 for (octave_idx_type i = k; i < nel; i++)
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45 data[i] = ! desc;
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46 }
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47
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48 template<bool desc>
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49 static void do_bool_partition (bool *data, octave_idx_type *idx,
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50 octave_idx_type nel)
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51 {
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52 // FIXME: This is essentially a simple bucket sort.
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53 // Can it be efficiently done by std::partition?
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54 OCTAVE_LOCAL_BUFFER (octave_idx_type, jdx, nel);
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55 octave_idx_type k = 0;
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56 octave_idx_type l = 0;
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57 for (octave_idx_type i = 0; i < nel; i++)
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58 {
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59 if (data[i] == desc)
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60 {
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61 data[k] = desc;
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62 idx[k++] = idx[i];
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63 }
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64 else
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65 jdx[l++] = idx[i];
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66 }
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67
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68 for (octave_idx_type i = k; i < nel; i++)
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69 {
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70 data[i] = ! desc;
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71 idx[i] = jdx[i-k];
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72 }
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73 }
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74
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75 template <> template <>
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76 void
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77 octave_sort<bool>::sort (bool *data, octave_idx_type nel,
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78 std::less<bool>)
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79 {
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80 do_bool_partition<false> (data, nel);
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81 }
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82
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83 template <> template <>
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84 void
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85 octave_sort<bool>::sort (bool *data, octave_idx_type nel,
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86 std::greater<bool>)
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87 {
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88 do_bool_partition<true> (data, nel);
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89 }
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90
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91 template <> template <>
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92 void
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93 octave_sort<bool>::sort (bool *data, octave_idx_type *idx, octave_idx_type nel,
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94 std::less<bool>)
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95 {
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96 do_bool_partition<false> (data, idx, nel);
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97 }
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98
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99 template <> template <>
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100 void
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101 octave_sort<bool>::sort (bool *data, octave_idx_type *idx, octave_idx_type nel,
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102 std::greater<bool>)
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103 {
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104 do_bool_partition<true> (data, idx, nel);
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105 }
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106
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107 template class OCTAVE_API octave_sort<bool>;
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108
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109 INSTANTIATE_ARRAY (bool, OCTAVE_API);
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110
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111 template OCTAVE_API std::ostream& operator << (std::ostream&,
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112 const Array<bool>&);
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113
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114 #include "DiagArray2.h"
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115 #include "DiagArray2.cc"
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116
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117 template class OCTAVE_API DiagArray2<bool>;