From 151707cb0af7f8215a2a39288e8fc45f3be2c9d7 Mon Sep 17 00:00:00 2001 From: Randy Mackay Date: Tue, 5 May 2015 14:22:52 +0900 Subject: [PATCH] Filter: replace 2*M_PI_F with M_2PI_F --- libraries/Filter/LowPassFilter.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libraries/Filter/LowPassFilter.h b/libraries/Filter/LowPassFilter.h index ea6f28f8b7..e2d5b798db 100644 --- a/libraries/Filter/LowPassFilter.h +++ b/libraries/Filter/LowPassFilter.h @@ -47,7 +47,7 @@ public: return _output; } - float rc = 1.0f/(2.0f*M_PI_F*cutoff_freq); + float rc = 1.0f/(M_2PI_F*cutoff_freq); float alpha = constrain_float(dt/(dt+rc), 0.0f, 1.0f); _output += (sample - _output) * alpha; return _output;