From 9fd35ba3611e840fa39d8d14fcc163bbb36b283d Mon Sep 17 00:00:00 2001
From: Oleg Kalachev <okalachev@gmail.com>
Date: Sat, 24 Jan 2026 09:43:46 +0300
Subject: [PATCH] Simplify lpf filter code Begin with zero instead of the
 initializing value, as the latter doesn't make much sense in practice, but
 complicates the code much.

---
 flix/lpf.h | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/flix/lpf.h b/flix/lpf.h
index 88cf8ab..9eae80d 100644
--- a/flix/lpf.h
+++ b/flix/lpf.h
@@ -14,15 +14,6 @@ public:
 	LowPassFilter(float alpha): alpha(alpha) {};
 
 	T update(const T input) {
-		if (alpha == 1) { // filter disabled
-			return input;
-		}
-
-		if (!initialized) {
-			output = input;
-			initialized = true;
-		}
-
 		return output += alpha * (input - output);
 	}
 
@@ -31,9 +22,6 @@ public:
 	}
 
 	void reset() {
-		initialized = false;
+		output = T(); // set to zero
 	}
-
-private:
-	bool initialized = false;
 };