From 78caa0f78d50dca16e9bcc1a68c289a2625e7941 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Sun, 5 Jun 2022 23:48:41 +0200
Subject: [PATCH] Move Q constant to the biquad module

---
 plugins/crossover/src/biquad.rs        | 2 ++
 plugins/crossover/src/crossover/iir.rs | 4 +---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/plugins/crossover/src/biquad.rs b/plugins/crossover/src/biquad.rs
index 4fb1e9a9..d238acd9 100644
--- a/plugins/crossover/src/biquad.rs
+++ b/plugins/crossover/src/biquad.rs
@@ -20,6 +20,8 @@ use std::f32::consts;
 use std::ops::{Add, Mul, Sub};
 use std::simd::f32x2;
 
+pub const NEUTRAL_Q: f32 = std::f32::consts::FRAC_1_SQRT_2;
+
 /// A simple biquad filter with functions for generating coefficients for second order low-pass and
 /// high-pass filters. Since these filters have 3 dB of attenuation at the center frequency, we'll
 /// two of them in series to get 6 dB of attenutation at the crossover point for the LR24
diff --git a/plugins/crossover/src/crossover/iir.rs b/plugins/crossover/src/crossover/iir.rs
index 36252e7a..c8784cad 100644
--- a/plugins/crossover/src/crossover/iir.rs
+++ b/plugins/crossover/src/crossover/iir.rs
@@ -18,11 +18,9 @@ use nih_plug::buffer::ChannelSamples;
 use nih_plug::debug::*;
 use std::simd::f32x2;
 
-use crate::biquad::{Biquad, BiquadCoefficients};
+use crate::biquad::{Biquad, BiquadCoefficients, NEUTRAL_Q};
 use crate::NUM_BANDS;
 
-const NEUTRAL_Q: f32 = std::f32::consts::FRAC_1_SQRT_2;
-
 #[derive(Debug)]
 pub struct IirCrossover {
     /// The kind of crossover to use. `.update_filters()` must be called after changing this.