From 21ab98823985127d97bdda25c377880ee1e0a051 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20J=C3=B6rdens?= <rj@quartiq.de>
Date: Thu, 6 May 2021 10:10:59 +0200
Subject: [PATCH] atan2: tweak for speed

---
 dsp/src/atan2.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dsp/src/atan2.rs b/dsp/src/atan2.rs
index 6d6e476..bfe33db 100644
--- a/dsp/src/atan2.rs
+++ b/dsp/src/atan2.rs
@@ -77,6 +77,8 @@ pub fn atan2(y: i32, x: i32) -> i32 {
 
     if sign.1 {
         angle = angle.wrapping_neg();
+        // Negation ends up in slightly faster assembly
+        // angle = !angle;
     }
 
     angle