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Make gain_to_db() branchless

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Robbert van der Helm 2023-01-04 16:45:11 +01:00
parent ab9adaf13e
commit 74a9e294b1
1 changed files with 1 additions and 5 deletions
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6
src/util.rs
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@ -39,11 +39,7 @@ pub fn db_to_gain(dbs: f32) -> f32 {
/// [`MINUS_INFINITY_DB`].
#[inline]
pub fn gain_to_db(gain: f32) -> f32 {
if gain > MINUS_INFINITY_GAIN {
gain.log10() * 20.0
} else {
MINUS_INFINITY_DB
}
f32::max(gain, MINUS_INFINITY_GAIN).log10() * 20.0
}
/// Convert a MIDI note ID to a frequency at A4 = 440 Hz equal temperament and middle C = note 60 =