low_pass_filter()

float low_pass_filter	(	float	prev_output,
		float	cutoff_period,
		float	new_input,
		float	dt
	)

Low-pass filter.

Parameters

prev_output	Previous filter output, or initial value.
cutoff_period	Time constant of the filter in seconds.
new_input	New filter input.
dt	Sampling period in seconds.

Returns

New filter output.