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23 #ifndef INCLUDED_BLOCKS_PROBE_RATE_H
24 #define INCLUDED_BLOCKS_PROBE_RATE_H
48 static sptr make(
size_t itemsize,
double update_rate_ms = 500.0,
double alpha = 0.0001);
50 virtual void set_alpha(
double alpha) = 0;
52 virtual double rate() = 0;
54 virtual bool start() = 0;
55 virtual bool stop() = 0;