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author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 4197fc428c7d
children
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4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2008-2015 Jaroslav Hajek
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 %!test
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20 %! a = 1:3; a(:) = []; assert (size (a), [0, 0])
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21 %!test
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22 %! a = 1:3; a(1:3) = []; assert (size (a), [1, 0])
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23 %!test
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24 %! a = (1:3).'; a(1:3) = []; assert (size (a), [0, 1])
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25 %!test
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26 %! a = ones (3); a(:,:) = []; assert (size (a), [0, 3])
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27 %!test
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28 %! a = ones (3); a(1:3,:) = []; assert (size (a), [0, 3])
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29 %!test
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30 %! a = ones (3); a(:,1:3) = []; assert (size (a), [3, 0])
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31 %!test
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32 %! a = ones (3); fail ("a(1:2,1:2) = []", ".*");
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33 %!test
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34 %! a = ones (3); fail ("a(1:3,1:3) = []", ".*");
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35
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36 ## null strings should delete. [,] and [;] should delete.
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37 %!test
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38 %! a = ones (3); a(1:2,:) = [,]; assert (size (a), [1,3])
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39 %!test
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40 %! a = ones (3); a(1:2,:) = [;]; assert (size (a), [1,3])
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41 %!test
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42 %! a = ones (3); a(1:2,:) = ''; assert (size (a), [1,3])
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43 %!test
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44 %! a = ones (3); a(1:2,:) = ""; assert (size (a), [1,3])
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45
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46 ## null matrix stored anywhere should lose its special status
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47 %!test
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48 %! a = ones (3); b = []; fail ("a(:,1:3) = b", ".")
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49 %!test
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50 %! a = ones (3); b{1} = []; fail ("a(:,1:3) = b{1}", ".")
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51 %!test
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52 %! a = ones (3); b.x = []; fail ("a(:,1:3) = b.x", ".")
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53
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54 ## filtering a null matrix through a function should not delete
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55 %!test
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56 %! a = ones (3); fail ("a(:,1:3) = double ([])")
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57
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58 ## subsasgn should work the same way
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59 %!test
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60 %! a = ones (3); a = subsasgn (a, substruct ('()', {':',1:2}), []); assert (size (a), [3,1])
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61 %!test
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62 %! a = ones (3); b = []; fail ("subsasgn (a, substruct ('()', {':',1:2}), b)", ".")
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63
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64 %!test
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65 %! classes = {@int8, @int16, @int32, @int64, ...
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66 %! @uint8, @uint16, @uint32, @uint64, ...
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67 %! @single, @double, @logical};
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68 %! for i = 1:numel (classes)
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69 %! cls = classes{i};
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70 %! x = cls ([1, 2, 3]);
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71 %! cls_nm = class (x);
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72 %! x(2) = [];
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73 %! assert (x, cls ([1, 3]));
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74 %! assert (class (x), cls_nm);
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75 %! x(2) = [];
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76 %! assert (x, cls (1));
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77 %! assert (class (x), cls_nm);
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78 %! x(1) = [];
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79 %! assert (x, cls (zeros (1, 0)));
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80 %! assert (class (x), cls_nm);
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81 %! endfor
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82 %! for i = 1:numel (classes)
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83 %! cls = classes{i};
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84 %! x = cls ([1, 2, 3]);
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85 %! cls_nm = class (x);
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86 %! x(2) = '';
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87 %! assert (x, cls ([1, 3]));
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88 %! assert (class (x), cls_nm);
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89 %! x(2) = '';
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90 %! assert (x, cls (1));
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91 %! assert (class (x), cls_nm);
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92 %! x(1) = '';
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93 %! assert (x, cls (zeros (1, 0)));
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94 %! assert (class (x), cls_nm);
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95 %! endfor
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96 %! for i = 1:numel (classes)
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97 %! cls = classes{i};
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98 %! x = cls ([1, 2, 3]);
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99 %! cls_nm = class (x);
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100 %! x(2) = "";
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101 %! assert (x, cls ([1, 3]));
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102 %! assert (class (x), cls_nm);
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103 %! x(2) = "";
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104 %! assert (x, cls (1));
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105 %! assert (class (x), cls_nm);
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106 %! x(1) = "";
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107 %! assert (x, cls (zeros (1, 0)));
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108 %! assert (class (x), cls_nm);
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109 %! endfor