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,result] = |
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6 | * rpUnitsConvertObjStr(fromObjHandle, toObjHandle, value, showUnits) |
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7 | * |
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8 | * ====================================================================== |
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9 | * AUTHOR: Derrick Kearney, Purdue University |
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10 | * Copyright (c) 2004-2005 Purdue Research Foundation |
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11 | * |
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12 | * See the file "license.terms" for information on usage and |
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13 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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14 | * ====================================================================== |
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15 | */ |
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16 | |
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17 | #include "RpMatlabInterface.h" |
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18 | |
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19 | /**********************************************************************/ |
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20 | // METHOD: [retStr,err] = rpUnitsConvertObjStr(fromObjHandle,toObjHandle,value,showUnits) |
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21 | /// Convert between RpUnits return a string value with or without units |
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22 | /** |
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23 | * Convert @var{value} from the units represented by the RpUnits object |
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24 | * @var{fromObjHandle} to the units represented by the RpUnits object |
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25 | * @var{toObjHandle}. If @var{showUnits} is set to 0, no units will be |
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26 | * displayed in @var{retStr}, else units are displayed.` |
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27 | * On success, the converted value is returned through |
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28 | * @var{retStr}. The second return value, @var{err}, specifies whether` |
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29 | * there was an error during conversion. |
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30 | * Error code, err=0 on success, anything else is failure. |
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31 | */ |
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32 | |
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33 | void mexFunction(int nlhs, mxArray *plhs[], |
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34 | int nrhs, const mxArray *prhs[]) |
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35 | { |
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36 | int result = 0; |
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37 | std::string retStr = ""; |
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38 | int fromObjHandle = 0; |
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39 | int toObjHandle = 0; |
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40 | const RpUnits* fromObj = NULL; |
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41 | const RpUnits* toObj = NULL; |
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42 | double value = 0; |
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43 | int showUnits = 0; |
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44 | |
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45 | /* Check for proper number of arguments. */ |
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46 | if (nrhs != 4) |
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47 | mexErrMsgTxt("Two input required."); |
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48 | else if (nlhs > 2) |
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49 | mexErrMsgTxt("Too many output arguments."); |
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50 | |
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51 | fromObjHandle = getIntInput(prhs[0]); |
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52 | toObjHandle = getIntInput(prhs[1]); |
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53 | value = getDoubleInput(prhs[2]); |
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54 | showUnits = getIntInput(prhs[3]); |
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55 | |
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56 | // grab the RpUnits objects from the dictionary |
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57 | fromObj = getObject_UnitsStr(fromObjHandle); |
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58 | toObj = getObject_UnitsStr(toObjHandle); |
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59 | |
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60 | /* Call the C subroutine. */ |
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61 | if (fromObj && toObj) { |
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62 | retStr = fromObj->convert(toObj,value,showUnits,&result); |
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63 | } |
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64 | |
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65 | /* Set C-style string output_buf to MATLAB mexFunction output*/ |
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66 | plhs[0] = mxCreateString(retStr.c_str()); |
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67 | plhs[1] = mxCreateDoubleScalar((double)result); |
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68 | |
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69 | return; |
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70 | } |
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