| 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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