| 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] = rpUnitsFind(unitSymbol) |
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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: [unitHandle,err] = rpUnitsFind(unitSymbol) |
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| 20 | /// Search the dictionary of Rappture Units for an instance named 'unitSymbol' |
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| 21 | /** |
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| 22 | * This method searches the Rappture Units Dictionary for the |
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| 23 | * RpUnit named 'unitSymbol'. If it is found, its handle is` |
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| 24 | * returned, as a non-negative integer, to the caller for further use, |
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| 25 | * else a negative integer is returned signifying no unit of that` |
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| 26 | * name was found. |
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| 27 | * If unitSymbol is an empty string, unitHandle will be set to zero and err |
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| 28 | * will be set to a positive value. |
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| 29 | * Error code, err=0 on success, anything else is failure. |
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| 30 | */ |
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| 31 | |
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| 32 | void mexFunction(int nlhs, mxArray *plhs[], |
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| 33 | int nrhs, const mxArray *prhs[]) |
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| 34 | { |
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| 35 | char *unitSymbol = NULL; |
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| 36 | const RpUnits* myUnit = NULL; |
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| 37 | int retHandle = 0; |
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| 38 | int err = 1; |
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| 39 | |
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| 40 | /* Check for proper number of arguments. */ |
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| 41 | if (nrhs != 1) |
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| 42 | mexErrMsgTxt("Two input required."); |
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| 43 | else if (nlhs > 2) |
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| 44 | mexErrMsgTxt("Too many output arguments."); |
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| 45 | |
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| 46 | unitSymbol = getStringInput(prhs[0]); |
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| 47 | |
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| 48 | /* Call the C subroutine. */ |
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| 49 | if (unitSymbol) { |
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| 50 | myUnit = RpUnits::find(unitSymbol); |
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| 51 | |
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| 52 | if (myUnit) { |
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| 53 | retHandle = storeObject_UnitsStr(myUnit->getUnitsName()); |
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| 54 | if (retHandle) { |
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| 55 | err = 0; |
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| 56 | } |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | /* Set C-style string output_buf to MATLAB mexFunction output*/ |
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| 61 | plhs[0] = mxCreateDoubleScalar(retHandle); |
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| 62 | plhs[1] = mxCreateDoubleScalar(err); |
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| 63 | |
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| 64 | return; |
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| 65 | } |
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