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1 ## Copyright (C) 1996, 1998, 2000, 2002, 2004, 2005, 2006, 2007 |
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2 ## Auburn University. All rights reserved. |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} sysidx (@var{sys}, @var{sigtype}, @var{signamelist}) |
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22 ## Return indices of signals with specified signal names |
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23 ## inputs given a system data structure @var{sys}, a signal type to be |
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24 ## selected @var{sigtype} (@code{"in"}, @code{"out"}, @code{"st"}), and |
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25 ## a list of desired signal names @var{signamelist}. |
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26 ## @end deftypefn |
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27 |
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28 function idxvec = sysidx (sys, sigtype, signamelist) |
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29 |
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30 if (nargin != 3) |
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31 print_usage (); |
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32 elseif (! isstruct (sys)) |
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33 error ("sys must be a system data structure"); |
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34 elseif (! ischar (sigtype)) |
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35 error ("sigtype must be a string"); |
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36 elseif (rows (sigtype) != 1) |
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37 [nr, nc] = size (sigtype); |
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38 error ("sigtype (%d x %d) must be a single string", nr, nc); |
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39 endif |
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40 |
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41 ## extract correct set of signal names values |
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42 [idxvec, msg] = cellidx ({"in", "out", "st", "yd"}, sigtype); |
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43 if (msg) |
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44 error ("invalid sigtype = %s", sigtype); |
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45 endif |
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46 |
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47 syssiglist = sysgetsignals (sys, sigtype); |
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48 [idxvec, msg] = cellidx (syssiglist, signamelist); |
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49 if (length (msg)) |
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50 error ("sysidx (sigtype = %s): %s", sigtype, |
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51 strrep (msg, "strlist", "signamelist")); |
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52 endif |
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53 |
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54 endfunction |
