| 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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