svn commit: r1369540 - /commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java

[tn]

Author: tn
Date: Sun Aug  5 09:32:46 2012
New Revision: 1369540

URL: http://svn.apache.org/viewvc?rev=1369540&view=rev
Log:
Fixed findbugs finding when comparing Integer references.

Modified:
    
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java

Modified: 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java?rev=1369540&r1=1369539&r2=1369540&view=diff
==============================================================================
--- 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java
 (original)
+++ 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/optimization/linear/SimplexSolver.java
 Sun Aug  5 09:32:46 2012
@@ -142,8 +142,9 @@ public class SimplexSolver extends Abstr
                 int minIndex = tableau.getWidth();
                 for (Integer row : minRatioPositions) {
                     int i = tableau.getNumObjectiveFunctions();
-                    for (; i < tableau.getWidth() - 1 && minRow != row; i++) {
-                        if (row == tableau.getBasicRow(i)) {
+                    for (; i < tableau.getWidth() - 1 && !row.equals(minRow); 
i++) {
+                        Integer basicRow = tableau.getBasicRow(i);
+                        if (basicRow != null && basicRow.equals(row)) {
                             if (i < minIndex) {
                                 minIndex = i;
                                 minRow = row;