[Mesa-users] Thank you and questions

[Bill Paxton]

> On Oct 11, 2018, at 9:57 PM, Piet Martens via Mesa-users <mesa-users at lists.mesastar.org> wrote:
> 
> 6. I sort of get the idea of "s%", but can you give me the exact definition?

i’ll take this question and let other folks take the others.

the language lets us group a bunch of data together in a “structure”.  we can have more than one instance of the structure in existence at once, so we need a way to “point” at the one we want.  the variable “s" is a pointer to a structure holding data about the current model.  the “s%” is just syntax to indicate that we are referencing something in the structure pointed to by s.   for example, “s% model_number” is a the number of the model stored in the structure pointed to by s, and “s% dt” is the timestep, etc.

is that “exact” enough?  for more info, you’ll need to get your hands dirty with a bit of programming. ;)

cheers
bill


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