From 515870c9e8ff833e50f5253ec6e6d43de97519ed Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Tue, 4 Sep 2018 12:33:44 +0200
Subject: Rust stable compatibility + use amplitude decibel conversion

---
 src/parsing/equalizer_apo.lalrpop | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/parsing/equalizer_apo.lalrpop')

diff --git a/src/parsing/equalizer_apo.lalrpop b/src/parsing/equalizer_apo.lalrpop
index b1faad9..39dda67 100644
--- a/src/parsing/equalizer_apo.lalrpop
+++ b/src/parsing/equalizer_apo.lalrpop
@@ -6,7 +6,7 @@ grammar;
 
 pub Main: Filter = {
     <preamp: Preamp> <eq: Eq> => {
-        let coefficients: Vec<_> = eq.1.iter().map(|decibel| 10f64.powf(decibel / 10f64)).collect();
+        let coefficients: Vec<_> = eq.1.iter().map(|decibel| 10f64.powf(decibel / 10f64).sqrt()).collect();
         // TODO: add decibel_to_ratio conversion function
         let preamp = 10f64.powf(preamp / 10f64);
         Filter { preamp, frequencies: eq.0, coefficients }
-- 
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