From 654a4018c456d3aeb7f6d9e6e7aa4b97b45f3fb0 Mon Sep 17 00:00:00 2001
From: Luc Maisonobe <luc@apache.org>
Date: Sat, 2 Feb 2008 18:17:19 +0000
Subject: [PATCH] make sure immutable PointCostPair internal representation is
 not accessible JIRA: MATH-183

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@617855 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/commons/math/optimization/PointCostPair.java    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/java/org/apache/commons/math/optimization/PointCostPair.java b/src/java/org/apache/commons/math/optimization/PointCostPair.java
index 6211fd11f..4e4bd4fbd 100644
--- a/src/java/org/apache/commons/math/optimization/PointCostPair.java
+++ b/src/java/org/apache/commons/math/optimization/PointCostPair.java
@@ -25,7 +25,8 @@ package org.apache.commons.math.optimization;
 public class PointCostPair {
 
   /** Build a point/cost pair.
-   * @param point point coordinates
+   * @param point point coordinates (the built instance will store
+   * a copy of the array, not the array passed as argument)
    * @param cost point cost
    */
   public PointCostPair(double[] point, double cost) {
@@ -34,10 +35,10 @@ public class PointCostPair {
   }
 
   /** Get the point.
-   * @return the stored point
+   * @return a copy of the stored point
    */
   public double[] getPoint() {
-      return point;
+      return (double[]) point.clone();
   }
 
   /** Get the cost.