annotate scripts/miscellaneous/private/__memoize__.m @ 31551:fd29c7a50a78 stable

maint: use commas, semicolons consistently with Octave conventions. * makeValidName.m: Remove %!test and move BIST %!asserts to column 1. * base64decode.m, base64encode.m, which.m, logm.m, uniquetol.m, perms.m: Delete semicolon (';') at end of %!assert BIST. * lin2mu.m, interp2.m, interpn.m, lsqnonneg.m, pqpnonneg.m, uniquetol.m, betainc.m, normalize.m: Add semicolon (';') to end of assert statement within %!test BIST. * __memoize__.m, tar_is_bsd.m, publish.m: Add semicolon (';') to line with keyword "persistent". * stft.m: Use comma (',') after "case" keyword when code immediately follows. * gallery.m: Align commas used in case statements in massive switch block. Remove unnecessary parentheses around a numeric case argument. * ranks.m: Remove semicolon (';') from case statemnt argument.
author Rik <rik@octave.org>
date Sat, 26 Nov 2022 06:32:08 -0800
parents a40c0b7aa376
children 0f93c3a756f7
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2022 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {@var{mem_fcn_handle} =} __memoize__ (@var{fcn_handle})
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28 ## @deftypefn {} {} __memoize__ ()
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29 ## Internal function used by @code{memoize}.
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30 ##
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31 ## @seealso{clearAllMemoizedCaches, memoize}
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32 ## @end deftypefn
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33
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34 function mem_fcn_handle = __memoize__ (fcn_handle)
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35 persistent cached_mem_fcn_handle;
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36
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37 if (nargin)
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38
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39 for i = 1:numel (cached_mem_fcn_handle)
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40 if (isequal (cached_mem_fcn_handle{i}.Function, fcn_handle))
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41 mem_fcn_handle = cached_mem_fcn_handle{i};
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42 return;
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43 endif
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44 endfor
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46 mem_fcn_handle = matlab.lang.MemoizedFunction (fcn_handle);
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47 cached_mem_fcn_handle{end+1} = mem_fcn_handle;
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48
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49 else
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50
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51 for i = 1:numel (cached_mem_fcn_handle)
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52 clearCache (cached_mem_fcn_handle{i});
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53 endfor
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54
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55 endif
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56
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57 endfunction