From 2cc04dd232c57eb4b4148c78501ae81eb0ee0308 Mon Sep 17 00:00:00 2001
From: Navin Singh <navin.rathore@gmail.com>
Date: Wed, 12 Jan 2022 10:01:57 +0530
Subject: [PATCH] handling null value of datatype Double #95

---
 core/src/main/java/zingg/hash/Round.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/zingg/hash/Round.java b/core/src/main/java/zingg/hash/Round.java
index d6d1783ec..22739f8b9 100644
--- a/core/src/main/java/zingg/hash/Round.java
+++ b/core/src/main/java/zingg/hash/Round.java
@@ -13,7 +13,7 @@ public Round() {
 
 	 @Override
 	 public Long call(Double field) {
-		 return Math.round(field);
+		 return field == null ? null : Math.round(field);
 	 }
 
 	 @Override