Can I change the name of a function during codegen?

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Tyson Lawrence
Tyson Lawrence 2020-3-5
评论： Mathias Tantau 2022-11-25
Can I change the name of a function during codegen? For example, if I hava a Matlab function called foo, can I make its genrated C function name be something like foo_cg (_cg for CodeGen)?. The motivation for this is that I have a custom version of the C foo and legacy code that uses it, and I don't want to change that code. I also have legacy Matlab code that uses the Matlab foo, so I don't want to changes its name either.

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Denis Gurchenkov
Denis Gurchenkov 2020-3-5
Unfortunately, no, there is no mechanism to rename the function in the generated C code. I've added a request for the development team to add this capability in a future release.
If you use MATLAB Coder to generate C++ code, then there is a possible solution -- use the "Generate code in a namespace" feature, so that you get C++ code for foo() in a custom namespace of your choice, so it does not collide with your other foo: https://www.mathworks.com/help/coder/ug/cpp-code-generation.html
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Walter Roberson
Walter Roberson 2020-3-5
Could you just add a #define ? In most compilers these days, that does not even require a file: it can often be done by adding a -DNAME=VALUE option to the command line or build options.
Mathias Tantau
Mathias Tantau 2022-11-25
Has this problem been solved by now so that function names of standard functions such as round() can be changed to e.g. round_cg() in the generated c-code?

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