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Filter: fixed a warning on PX4

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Andrew Tridgell 2013-01-11 21:17:34 +11:00
parent 6142eac4b4
commit 30b50a858d
1 changed files with 1 additions and 1 deletions
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2
libraries/Filter/LowPassFilter.h
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@ -78,7 +78,7 @@ template <class T>
void LowPassFilter<T>::set_cutoff_frequency(float time_step, float cutoff_freq)
{
// calculate alpha
float rc = 1/(2*M_PI*cutoff_freq);
float rc = 1/(2*(float)M_PI*cutoff_freq);
_alpha = time_step / (time_step + rc);
}