What functionality is afforded by ssSetModel​ReferenceS​ampleTimeD​efaultInhe​ritance and ssSetModel​ReferenceS​ampleTimeD​isallowInh​eritance in C MEX S-functions in Simulink?

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MathWorks Support Team
Some C MEX S-functions provided with Simulink use the ssSetModelReferenceSampleTimeDefaultInheritance and ssSetModelReferenceSampleTimeDisallowInheritance macros in their SampleTime routines. I would like further documentation on the functionality afforded by these macros.

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MathWorks Support Team
This bug has been fixed in Release 2007b (R2007b). For previous product releases, read below for any possible workarounds:
Documentation on the ssSetModelReferenceSampleTimeDefaultInheritance and ssSetModelReferenceSampleTimeDisallowInheritance macros is missing from Simulink documentation.
Here is additional information on these macros:
The ssSetModelReferenceSampleTimeDefaultInheritance and ssSetModelReferenceSampleTimeDisallowInheritance macros are alternatives to the ssSetModelReferenceSampleTimeInheritanceRule macro. The following expressions are equivalent:
ssSetModelReferenceSampleTimeDefaultInheritance(S);
ssSetModelReferenceSampleTimeInheritanceRule(S, USE_DEFAULT_FOR_DISCRETE_INHERITANCE);
Likewise, the following expressions are also equivalent:
ssSetModelReferenceSampleTimeDisallowInheritance(S);
ssSetModelReferenceSampleTimeInheritanceRule(S, DISALLOW_SAMPLE_TIME_INHERITANCE);

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