HDL Coder 'abs' : Double and complex data types not supported.

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Michael Felger 2019-9-18

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评论： Michael Felger 2019-9-23

I'm using a simulink model to generate HDL code for simulation, with double values.

The error is clear, as "Double and complex data types" are not supported for HDL Code generation.

My question is, will this maybe be implemented in feature releases, or is there a fundamental issue that double values can't be supported for the function abs() for HDL code generation?

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Answer 1

Kiran Kintali 2019-9-21

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编辑：Kiran Kintali 2019-9-21

This is currently a limitation on the Abs block.

https://www.mathworks.com/help/simulink/slref/mathfunction.html

In the interim, please try the 'hypot' function in Math function block in Simulink.

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Michael Felger 2019-9-23

I'm not using the abs block directly. What I want to do is to solve linear system of equations (square) with linsolve (https://de.mathworks.com/help/matlab/ref/linsolve.html).

In linsolve (LU factorization), the function abs() is called.

Is it somehow possible to replace this function call with hypot?

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