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Filter: replace 2*M_PI_F with M_2PI_F

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This commit is contained in:
Randy Mackay 2015-05-05 14:22:52 +09:00
parent 6ef1ebb5dd
commit 151707cb0a
1 changed files with 1 additions and 1 deletions
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2
libraries/Filter/LowPassFilter.h
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@ -47,7 +47,7 @@ public:
return _output; 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); float alpha = constrain_float(dt/(dt+rc), 0.0f, 1.0f);
_output += (sample - _output) * alpha; _output += (sample - _output) * alpha;
return _output; return _output;