1 | /* |
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2 | * ---------------------------------------------------------------------- |
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3 | * INTERFACE: Matlab Rappture Library Source |
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4 | * |
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5 | * [retStr,err] = rpUnitsGetUnits(unitsHandle) |
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6 | * |
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7 | * ====================================================================== |
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8 | * AUTHOR: Derrick Kearney, Purdue University |
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9 | * Copyright (c) 2004-2005 Purdue Research Foundation |
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10 | * |
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11 | * See the file "license.terms" for information on usage and |
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12 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | * ====================================================================== |
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14 | */ |
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15 | |
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16 | #include "RpMatlabInterface.h" |
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17 | |
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18 | /**********************************************************************/ |
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19 | // METHOD: [retStr,err] = rpUnitsGetUnits(unitHandle) |
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20 | /// Return the units of the Rappture Unit represented by unitHandle. |
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21 | /** |
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22 | * Retrieve the units of the Rappture Units object with the handle` |
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23 | * 'unitHandle'. Note this does not include the exponent. |
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24 | * For units and exponent in one string see rpUnitsGetUnitsName(). |
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25 | * Return the units as a string. |
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26 | * Error code, err=0 on success, anything else is failure. |
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27 | */ |
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28 | |
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29 | void mexFunction(int nlhs, mxArray *plhs[], |
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30 | int nrhs, const mxArray *prhs[]) |
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31 | { |
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32 | int unitsHandle = 0; |
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33 | int err = 1; |
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34 | const RpUnits* unitsObj = NULL; |
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35 | const char* retString = NULL; |
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36 | |
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37 | /* Check for proper number of arguments. */ |
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38 | if (nrhs != 1) |
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39 | mexErrMsgTxt("Two input required."); |
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40 | else if (nlhs > 2) |
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41 | mexErrMsgTxt("Too many output arguments."); |
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42 | |
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43 | unitsHandle = getIntInput(prhs[0]); |
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44 | |
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45 | /* Call the C subroutine. */ |
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46 | if (unitsHandle > 0) { |
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47 | unitsObj = getObject_UnitsStr(unitsHandle); |
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48 | if (unitsObj) { |
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49 | retString = unitsObj->getUnits().c_str(); |
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50 | if (retString) { |
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51 | err = 0; |
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52 | } |
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53 | } |
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54 | } |
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55 | |
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56 | /* Set C-style string output_buf to MATLAB mexFunction output*/ |
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57 | plhs[0] = mxCreateString(retString); |
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58 | plhs[1] = mxCreateDoubleScalar(err); |
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59 | |
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60 | return; |
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61 | } |
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