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maint: Periodic merge of stable to default.
author Rik <rik@octave.org>
date Fri, 09 Oct 2015 19:28:05 -0700
parents 117ccb5080c1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 2015 Rik Wehbring
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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 ordering of complex values by magnitude and then by phase
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20 %!test
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21 %! x = [0 i 1+i 2 3i 3+4i];
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22 %! assert (sort (x, "descend"), fliplr (x));
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23 %! assert (sort (single (x), "descend"), fliplr (single (x)));
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24
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25 %!test
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26 %! x = [1, -1, i, -i];
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27 %! xs = [-i, 1, i, -1];
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28 %! assert (sort (x), xs);
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29 %! assert (sort (x, "descend"), fliplr (xs));
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30 %! assert (sort (single (x)), single (xs));
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31 %! assert (sort (single (x), "descend"), fliplr (single (xs)));
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32
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33 ## bug #44071, issorted incorrect because it uses different sort routine.
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34 %!assert (issorted ([1, -1, i, -i]), false)
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35 %!assert (issorted (single ([1, -1, i, -i])), false)
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36
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37 ## bug #43313, -1 is both '>' and '==' to (-1 - 0i)
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38 %!test
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39 %! assert (complex(-1,0) == complex(-1,-0), true);
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40 %! assert (complex(-1,0) > complex(-1,-0), false);
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41 %! assert (complex(-1,0) < complex(-1,-0), false);
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42
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43 ## Test that sort and issorted both agree on boundary case
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44 %!test
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45 %! x = [complex(-1,0), complex(-1,-0), i, -i, 1];
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46 %! xs = sort (x);
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47 %! xf = single (x);
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48 %! xfs = sort (xf);
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49 %! assert (issorted (xs));
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50 %! assert (issorted (xfs));
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51 %! assert (double (xfs), xs);
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52
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53 ## Finally, test that sort and issorted agree on NaNs
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54 %!test
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55 %! x = [complex(NaN,-1), complex(NaN,NaN), ...
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56 %! complex(-1,0), complex(-1,-0), i, -i, 1, ...
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57 %! complex(1,NaN)];
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58 %! xs = sort (x);
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59 %! xf = single (x);
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60 %! xfs = sort (xf);
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61 %! assert (issorted (xs));
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62 %! assert (issorted (xfs));
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63 %! assert (double (xfs), xs);
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