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Improved error message

release/4.3a0
Richard Roberts 2012-07-13 21:59:30 +00:00
parent bcaa1d00bf
commit ee2889d4b3
1 changed files with 4 additions and 2 deletions
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6
wrap/matlab.h
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@ -366,9 +366,11 @@ mxArray* create_object(const std::string& classname, void *pointer, bool isVirtu
if(!derivedNameMx) if(!derivedNameMx)
mexErrMsgTxt(( mexErrMsgTxt((
"gtsam wrap: The derived class type " + string(rttiName) + " was not found in the RTTI registry. " "gtsam wrap: The derived class type " + string(rttiName) + " was not found in the RTTI registry. "
"Try calling 'clear all' twice consecutively - we have seen things not get unloaded properly the "
"first time. If this does not work, this may indicate an inconsistency in your wrap interface file. "
"The most likely cause for this is that a base class was marked virtual in the wrap interface " "The most likely cause for this is that a base class was marked virtual in the wrap interface "
"definition header file for gtsam or for your module, but a derived type was returned by a C++" "definition header file for gtsam or for your module, but a derived type was returned by a C++ "
"function and that derived type was not marked virtual (or was not specified in the wrap interface" "function and that derived type was not marked virtual (or was not specified in the wrap interface "
"definition header at all).").c_str()); "definition header at all).").c_str());
size_t strLen = mxGetN(derivedNameMx); size_t strLen = mxGetN(derivedNameMx);
char *buf = new char[strLen+1]; char *buf = new char[strLen+1];