From 149e1179d3f0dca862a3ce416bc5d9bf5e511fa6 Mon Sep 17 00:00:00 2001
From: Gilles Sadowski <erans@apache.org>
Date: Thu, 1 Dec 2011 13:55:04 +0000
Subject: [PATCH] MATH-690 Replaced "sign" with "copySign".

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1209082 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/commons/math/fraction/ProperFractionFormat.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java b/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
index 903733bc9..f25184bc8 100644
--- a/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
@@ -215,7 +215,7 @@ public class ProperFractionFormat extends FractionFormat {
         int w = whole.intValue();
         int n = num.intValue();
         int d = den.intValue();
-        return new Fraction(((Math.abs(w) * d) + n) * MathUtils.sign(w), d);
+        return new Fraction(((Math.abs(w) * d) + n) * MathUtils.copySign(1, w), d);
     }
 
     /**