Why is hisf_0015: Check Stateflow charts for strong data typing failing when a function in the expression is defined in custom code?

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MathWorks Support Team
编辑： galaxy 2020-9-4
I have a MIN function defined as a macro in a C header that is being used in a Stateflow chart.
/* header */
#define MIN(A,B) ((A) > (B) ? (B) : (A))
%%Stateflow
[MIN(a,b) - single(2) == single(4)]
where a and b are singles. This expression is being flagged by hisf_0015, even though everything is a single.
Why is the check flagging this expression?

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采纳的回答

MathWorks Support Team
编辑：MathWorks Support Team 2020-8-10
This is a limitation of hisf_0015 because the 'MIN' macro is defined in a custom source file. The recommended workaround is to explicitly cast 'MIN' to a single data type.
The same limitation seems to apply for MAB check mathworks.jmaab.jc_0802.
  1 个评论
galaxy
galaxy 2020-9-4
编辑：galaxy 2020-9-4
@MathWorks Support Team
What about enum type check in jmaab.jc_0802?
I defined enum Pos_Enum as:
In stateflow chart, I set DrvPos = Pos_Enum.HIGH; with DrvPos data type is also Pos_Enum.
So why still warning in jmaab.jc_0802?

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