Moving Avg

I tried to implement a moving avg. But I don't know c++ so I ran from error to error - damn oldschool basic...

Idea would be to calculate a moving avg for the Hashrate without the Need to store values:

Loop (
k++
avg_hashrate=avg_hashrate+ (new_hashrate - avg_hashrate)/k
)

this would enter a state of near Equilibrium over time without the need to store values. One could have a check like
?mod(k)=20 or 50;k=0;k

or just let k constant at 20 to have some tiny but noticable changes (i like this one most)

What do u think?

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