How to define the size of output in subfunctions, for C coder

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PatrizioGraziosi 2020 年 12 月 30 日
コメント済み: Ryan Livingston 2021 年 1 月 1 日
Hello everybody,
I am experiencing an issue when porting a function to C with Matlab coder.
I have a function which runs inside a parfor parallel loop like
output = myfunction(id, mystruct) ;
where id is the parfor index and mystruct an input structure with one dimensional fields which are 1xn arrays, where n is variable.
inside myfunction there is a subfunction which is called inside myfunction like
output_temp = mysubfunction(mystruct.field)
where output_temp is a 1x1 variable.
Everything works in Matlab.
When I build code to port the function in C with Matlab coder, I get the following issue.
I define the input mystruct.field as unbound :1x:Inf, but at the "check for issues" stage, in the mysubfunction the coder sees mystruct.field as :Infx:Inf so that the coder sees output_temp as :1x:Inf instead of 1x1, and this generates an error. I am run out of ideas and cannot fix this...
Can you help me in fixing this, please?
Thanks in advance,
  9 件のコメント
Ryan Livingston
Ryan Livingston 2021 年 1 月 1 日
Excellent! Happy new year Patrizio!


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