FFT HDL Optimized for HDL Coder(When generate RTL Code and Testbench,occur error:)

2020 5 6
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更新时间：2020 5 7
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Hi; I have this message when try to convert FFT HDL Optimized TO HDL ,and when generate RTL Code and Testbench,get a error:"Error: Evaluation of elaborate function on class hdldspblks.HDLFFT failed with the error message: MATLAB:noSuchMethodOrField: hdlcoder.tp_array .There are no appropriate methods, properties, or fields Signed".
My MATLAB version is 2014a.And the simulation has no error.
How can I figure it out? Thank u !!!

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Kiran Kintali
Kiran Kintali 2020-5-7

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This is an unexpected internal error. I believe it is fixed in subsequent release. By any chance are you using a reciprocal of some kind with vector inputs? You can try sldiagnostics('modelname') to get an overview of blocks used in the entire model.

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HK Frank
HK Frank 2020-5-7
Thanks for the help Kiran Kintail, I got the point. Yes, I think it's the version problem maybe,because when I use the MatLab2018-b version, and just modify somewhere esaily,the Module can convert FFT HDL Optimized to HDL successfully.But I think maybe that I make something wrong,as the FFT HDL Optimized in MatLab2014 Help can be converted to HDL,and synthesis. I will consider your suggestion.Thanks again for your answer^-^.

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