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Calling a C function from Verilog-A that involves ddt

mfkasim1

I know we can call a C function from Verilog-A using a signature like `double some_func(double a, double b, double* deriv_a, double* deriv_b)`. However, from the user manual, it seems like the C function can only substitute Verilog-A function that does not involve time-mixing functions, such as `ddt` or `laplace_*`. Is there any way to call a C-function that can substitute the time-mixing functions in Verilog-A?

  • I have no idea what you mean by "can only substitute Verilog-A function that does not involve time-mixing functions". What are "time-mixing functions"? I can find no definition of that in the Verilog-A Language Reference manual. Also, I'm not sure what you mean by "substitute" in this context either.

    Andrew

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