circshift code generation fails

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Ryan Woodall
Ryan Woodall 2017-1-24
I'm trying to go through the code generation process to make an FDM model as quick as possible for use in another program. To find boundaries and assign boundary conditions, I need to shift a 3D mask in all 3 dimensions. Originally, to do this I used imtranslate. However, code generation is not supported for 3D calls of imtranslate. I switched to circshift, which effectively does the same thing. However, when I run through the code generation process, I get a "Function call failed" error every time I call circshift. MATLAB says it supports circshift for code generation, so I'm clearly missing something.
Since the size of my 3D mask varies, I left all the dimensions unbounded. Could this be the source of the problem? Are there any other methods for simply shifting an array over by one in a dimension that is compatible with code generation?

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