Using shared pointers with MATLAB Coder

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Pedro Calorio
Pedro Calorio el 12 de Abr. de 2021
Respondida: SACHIN KHANDELWAL el 23 de En. de 2025
Hello guys,
My question is actually pretty straightforward. How do I use shared_ptr with generated C++ code from MATLAB? For example, I can pass a shared_ptr instead of a regular ptr to MATLAB-generated functions? If yes, how?
My first thinking is that I would have to change it manually in the function declaration, but I believe I could be so susceptible to errors this way.

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SACHIN KHANDELWAL
SACHIN KHANDELWAL el 23 de En. de 2025
Hi @Pedro Calorio,
For smart pointers, while MATLAB Coder doesn't generate shared or unique pointers, it can wrap dynamic memory allocation in a more modern interface that guards calls to "new" with a wrapper called coder::array. This should be safer than emxArrays. You can do this by setting DynamicMemoryAllocationInterface to 'C++' which should be the default when generating C++ code.
https://www.mathworks.com/help/coder/ref/coder.codeconfig.html#mw_3fc64d5b-5aa4-4a11-bf6b-10e138b71948

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