From 7f2f5fcdf074bc7c5d1c32119d5d32f0320ed34b Mon Sep 17 00:00:00 2001
From: lifeinwild <49356704+lifeinwild@users.noreply.github.com>
Date: Sun, 23 Nov 2025 00:02:35 +0900
Subject: [PATCH 1/3] bugfix of LongDelta

fix(longdelta): Add support for empty arrays in fastInverseDelta
---
 .../differential/LongDelta.java               |  2 +-
 .../lemire/longcompression/LongDeltaTest.java | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/me/lemire/longcompression/LongDeltaTest.java

diff --git a/src/main/java/me/lemire/longcompression/differential/LongDelta.java b/src/main/java/me/lemire/longcompression/differential/LongDelta.java
index 184e53c..8399f94 100644
--- a/src/main/java/me/lemire/longcompression/differential/LongDelta.java
+++ b/src/main/java/me/lemire/longcompression/differential/LongDelta.java
@@ -107,7 +107,7 @@ public static void fastinverseDelta(long[] data) {
                         }
                 }
 
-                for (; i != data.length; ++i) {
+                for (; i < data.length; ++i) {
                         data[i] += data[i - 1];
                 }
         }
diff --git a/src/test/java/me/lemire/longcompression/LongDeltaTest.java b/src/test/java/me/lemire/longcompression/LongDeltaTest.java
new file mode 100644
index 0000000..bfa1e6f
--- /dev/null
+++ b/src/test/java/me/lemire/longcompression/LongDeltaTest.java
@@ -0,0 +1,23 @@
+package me.lemire.longcompression;
+
+import me.lemire.longcompression.differential.LongDelta;
+import org.junit.Test;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class LongDeltaTest {
+    @Test
+    public void testEmptyArrayFastInverseDelta() {
+        LongCompressor compressor = new LongCompressor();
+        long[] input = new long[0];
+
+        LongDelta.delta(input);
+        long[] compressed = compressor.compress(input);
+        long[] result = compressor.uncompress(compressed);
+        LongDelta.fastinverseDelta(result);
+
+        assertNotNull(result);
+        assertArrayEquals(input, result);
+    }
+}

From a4ded943814aa28d26466e821788cbc3b7121a05 Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Tue, 25 Nov 2025 16:31:26 +0000
Subject: [PATCH 2/3] [maven-release-plugin] prepare release JavaFastPFOR-0.3.9

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index 9b53d0e..769bd98 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>me.lemire.integercompression</groupId>
   <artifactId>JavaFastPFOR</artifactId>
-  <version>0.3.9-SNAPSHOT</version>
+  <version>0.3.9</version>
   <packaging>jar</packaging>
   <properties>
     <maven.compiler.source>21</maven.compiler.source>
@@ -23,7 +23,7 @@
     <connection>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</connection>
     <url>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</url>
     <developerConnection>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>JavaFastPFOR-0.3.9</tag>
   </scm>
 
   <distributionManagement>

From 5eb542b2c35dfab1d9a3bb1f8b2e61f0cb4335b2 Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Tue, 25 Nov 2025 16:31:27 +0000
Subject: [PATCH 3/3] [maven-release-plugin] prepare for next development
 iteration

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index 769bd98..2efc724 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>me.lemire.integercompression</groupId>
   <artifactId>JavaFastPFOR</artifactId>
-  <version>0.3.9</version>
+  <version>0.3.10-SNAPSHOT</version>
   <packaging>jar</packaging>
   <properties>
     <maven.compiler.source>21</maven.compiler.source>
@@ -23,7 +23,7 @@
     <connection>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</connection>
     <url>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</url>
     <developerConnection>scm:git:https://github.com/fast-pack/JavaFastPFOR.git</developerConnection>
-    <tag>JavaFastPFOR-0.3.9</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <distributionManagement>