Simulink Code Generation Assertion failed

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Luca Claroni
Luca Claroni 2013-11-18
回答： Andreas Goser 2013-11-18
Hi, while generating code of a Simulink model in Matlab R2011b I get this error:
"Code generation assertion 'isShared == aFcn->testFlags(CG_CONST_FCN_IS_SHARED)' failed in '.\rtwcg_utils\rtwcg_module_impl.cpp:793'
[ 0] 0x67f06286 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\rtwcg.dll+00483974 ( RTWCG::RTWCGModule::OptimizeAndEmitCode+023206 )
[ 1] 0x67f06593 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\rtwcg.dll+00484755 ( RTWCG::RTWCGModule::OptimizeAndEmitCode+023987 )
[ 2] 0x67f4151c C:\Program Files (x86)\MATLAB\R2011b\bin\win32\rtwcg.dll+00726300 ( RTWCG::RTWFcnConst::OptimizeAndEmitCode+011404 )
[ 3] 0x67f0085d C:\Program Files (x86)\MATLAB\R2011b\bin\win32\rtwcg.dll+00460893 ( RTWCG::RTWCGModule::OptimizeAndEmitCode+000125 )
[ 4] 0x69ba9ecd C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwsimulink.dll+08298189 ( BlockSetCheckVarDimsInputEmpty+066381 )
[ 5] 0x69ba6f97 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwsimulink.dll+08286103 ( BlockSetCheckVarDimsInputEmpty+054295 )
[ 6] 0x69bfaa02 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwsimulink.dll+08628738 ( sleGetRTWBlockForSLBlock+262210 )
[ 7] 0x69bfaf9f C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwsimulink.dll+08630175 ( sleGetRTWBlockForSLBlock+263647 )
[ 8] 0x696eb9c5 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwsimulink.dll+03324357 ( ArrayToSLObject+481685 )
[ 9] 0x0231ea8c C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00060044 ( mdLogging::log_function_exit+000108 )
[ 10] 0x0231e561 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00058721 ( Mfunction_handle::dispatch+000401 )
[ 11] 0x01e6ac96 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00502934 ( inDestroyWS+247110 )
[ 12] 0x01e67c71 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00490609 ( inDestroyWS+234785 )
[ 13] 0x01e76807 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00550919 ( inDestroyWS+295095 )
[ 14] 0x01e76922 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00551202 ( inDestroyWS+295378 )
[ 15] 0x01e562c7 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00418503 ( inDestroyWS+162679 )"
I would like to know how to solve it and if there are some checks I can run to understand where the problem comes from.
Thanks, Luca Claroni.

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回答（1 个）

Andreas Goser
Andreas Goser 2013-11-18
I am aware of an issue that produced such a dump in R2011b and was fixed for R212a. The reason sounds very specifc though:
"There is a bug in Simulink Coder 8.1 (R2011b) in the way that Simulink model containing two eig calls within a MATLAB function block causes code generation assertion, when generating code. To work around this issue, insert
coder.inline('always')
at the beginning of the function "fcn(u1,u2)" that calls eig"
I definitely suggest to try out a more recent release than R2011b as a first step.

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