From 099a5f074e169c5bd1b1685aca7a940c15455101 Mon Sep 17 00:00:00 2001
From: Apollo3zehn <git@m1.apollo3zehn.net>
Date: Mon, 18 Sep 2023 17:10:07 +0200
Subject: [PATCH] Fixed a bug in the mean-polar-degree algorithm

---
 CHANGELOG.md                            | 5 +++++
 src/Nexus/Services/ProcessingService.cs | 4 ++++
 version.json                            | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f6059da..cb075e7a 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## v2.0.0-beta.17 - 2023-09-18
+
+### Bugs fixed:
+- Fixed a bug in the mean-polar-degree algorithm which caused the result of be offset by a random value.
+
 ## v2.0.0-beta.16 - 2023-09-18
 
 ### Bugs fixed:
diff --git a/src/Nexus/Services/ProcessingService.cs b/src/Nexus/Services/ProcessingService.cs
index 90f51762..f4505922 100644
--- a/src/Nexus/Services/ProcessingService.cs
+++ b/src/Nexus/Services/ProcessingService.cs
@@ -160,6 +160,7 @@ private void ApplyAggregationFunction(
                 {
                     var sinBuffer = memoryOwner_sin.Memory.Slice(0, targetBuffer.Length);
                     var cosBuffer = memoryOwner_cos.Memory.Slice(0, targetBuffer.Length);
+
                     var limit = 360;
                     var factor = 2 * Math.PI / limit;
 
@@ -180,6 +181,9 @@ private void ApplyAggregationFunction(
 
                         if (isHighQuality)
                         {
+                            sin[x] = 0.0;
+                            cos[x] = 0.0;
+
                             for (int i = 0; i < chunkData.Length; i++)
                             {
                                 sin[x] += Math.Sin(chunkData[i] * factor);
diff --git a/version.json b/version.json
index b143d82d..275cdb3c 100644
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
     "version": "2.0.0",
-    "suffix": "beta.16"
+    "suffix": "beta.17"
 }
\ No newline at end of file