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annotate m-toolbox/classes/+utils/@helper/checkMatlabVersion.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 function checkMatlabVersion
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2 % CHECKMATLABVERSION checks the current MATLAB version.
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3 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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4 %
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5 % DESCRIPTION: CHECKMATLABVERSION checks the current MATLAB version
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6 % complies with that required by LTPDA.
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7 %
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8 % out = utils.helper.checkMatlabVersion()
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9 %
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10 % The MATLAB version is retrieved from the base application variable
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11 % 'matlab_version' which is set by ltpda_startup.
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12 %
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13 % The required version is retrieved from 'ltpda_required_matlab_version'
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14 % which is also set by ltpda_startup.
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15 %
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16 % If the current MATLAB version does not meet the requirement, then an
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17 % error is thrown.
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18 %
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19 % The following call returns an info object for this method.
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20 %
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21 % >> ii = utils.helper.checkMatlabVersion('INFO')
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22 %
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23 % HISTORY: 27-05-08 M Hewitson
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24 % Creation
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25 %
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26 % VERSION: $Id: checkMatlabVersion.m,v 1.4 2010/02/04 06:21:11 mauro Exp $
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27 %
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28 %
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29 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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30
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31 % required version
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32 rv = getappdata(0, 'ltpda_required_matlab_version');
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33 % current version
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34 cv = strtok(getappdata(0, 'matlab_version'));
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35
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36 rparts = getParts(rv);
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37 cparts = getParts(cv);
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38
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39 if (sign(cparts - rparts) * [1; .1; .01]) < 0
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40 error('### This MATLAB version is not supported by LTPDA. You require version %s or higher', rv)
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41 end
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42
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43 % This is copied directly from MATLAB's verLessThan function
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44 function parts = getParts(V)
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45 parts = sscanf(V, '%d.%d.%d')';
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46 if length(parts) < 3
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47 parts(3) = 0; % zero-fills to 3 elements
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48 end