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 | * [unitsHandle,err] = rpUnitsGetBasis(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) 2004-2012 HUBzero Foundation, LLC |
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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: [basisHandle,err] = rpUnitsGetBasis(unitHandle) |
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20 | /// Return a handle to the basis of the provided instance of a Rappture Unit. |
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21 | /** |
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22 | * Retrieve the basis of the Rappture Units object with the handle` |
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23 | * 'unitHandle'. Return the handle of the basis if it exists. If there` |
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24 | * is no basis, then return a negative integer. |
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25 | * Error code, err=0 on success, anything else is failure. |
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26 | */ |
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27 | |
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28 | void mexFunction(int nlhs, mxArray *plhs[], |
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29 | int nrhs, const mxArray *prhs[]) |
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30 | { |
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31 | char *unitSymbol = NULL; |
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32 | const RpUnits* myBasis = NULL; |
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33 | const RpUnits* myUnit = NULL; |
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34 | int retHandle = 0; |
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35 | int unitsHandle = 0; |
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36 | int err = 1; |
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37 | |
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38 | /* Check for proper number of arguments. */ |
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39 | if (nrhs != 1) |
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40 | mexErrMsgTxt("Two input required."); |
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41 | else if (nlhs > 2) |
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42 | mexErrMsgTxt("Too many output arguments."); |
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43 | |
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44 | unitsHandle = getIntInput(prhs[0]); |
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45 | |
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46 | /* Call the C subroutine. */ |
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47 | if (unitsHandle > 0) { |
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48 | myUnit = getObject_UnitsStr(unitsHandle); |
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49 | |
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50 | if (myUnit) { |
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51 | |
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52 | myBasis = myUnit->getBasis(); |
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53 | if (myBasis) { |
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54 | // there was a basis, store it an return |
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55 | retHandle = storeObject_UnitsStr(myBasis->getUnitsName()); |
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56 | if (retHandle) { |
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57 | err = 0; |
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58 | } |
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59 | } |
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60 | else { |
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61 | // there was no basis for this unit |
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62 | // return negative handle and set err = 0 |
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63 | retHandle = -1; |
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64 | err = 0; |
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65 | } |
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66 | } |
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67 | } |
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68 | |
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69 | /* Set C-style string output_buf to MATLAB mexFunction output*/ |
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70 | plhs[0] = mxCreateDoubleScalar(retHandle); |
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71 | plhs[1] = mxCreateDoubleScalar(err); |
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72 | return; |
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73 | } |
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