From ef349ea5f62cfa208a807aebfd2873be6e67ba12 Mon Sep 17 00:00:00 2001
From: eugenefischer <66030419+eugenefischer@users.noreply.github.com>
Date: Fri, 14 Oct 2022 18:44:56 -0500
Subject: [PATCH] Correctly store matching weight

---
 src/main/java/MaximumWeightBipartiteAuctionMatching.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/MaximumWeightBipartiteAuctionMatching.java b/src/main/java/MaximumWeightBipartiteAuctionMatching.java
index 0bad61a..9f21515 100644
--- a/src/main/java/MaximumWeightBipartiteAuctionMatching.java
+++ b/src/main/java/MaximumWeightBipartiteAuctionMatching.java
@@ -17,7 +17,7 @@ public class MaximumWeightBipartiteAuctionMatching<V, E> implements MatchingAlgo
     private final Set<V> partition2;
     private final BigDecimal delta;
     private final Set<E> matching;
-    private final BigDecimal matchingWeight;
+    private BigDecimal matchingWeight;
     private boolean swappedPartitions = false;
 
     public MaximumWeightBipartiteAuctionMatching(Graph<V, E> graph, Set<V> partition1, Set<V> partition2) {
@@ -26,6 +26,7 @@ public class MaximumWeightBipartiteAuctionMatching<V, E> implements MatchingAlgo
         this.partition2 = Objects.requireNonNull(partition2, "Partition 2 cannot be null");
         int n = Math.max(partition1.size(), partition2.size());
         this.delta = BigDecimal.valueOf(1 / ((double) n + 1));
+//        this.delta = BigDecimal.valueOf(n/2);
         this.matching = new LinkedHashSet<>();
         this.matchingWeight = BigDecimal.ZERO;
     }
@@ -35,7 +36,7 @@ public class MaximumWeightBipartiteAuctionMatching<V, E> implements MatchingAlgo
     Method coded using MaximumWeightBipartiteMatching.class from JgraphT as a model
      */
     @Override
-    public Matching getMatching() {
+    public Matching<V, E> getMatching() {
 
         /*
          * Test input instance
@@ -113,7 +114,7 @@ public class MaximumWeightBipartiteAuctionMatching<V, E> implements MatchingAlgo
         }
 
         for(E edge: matching) {
-            matchingWeight.add(BigDecimal.valueOf(graph.getEdgeWeight(edge)));
+            this.matchingWeight = this.matchingWeight.add(BigDecimal.valueOf(graph.getEdgeWeight(edge)));
         }