X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=forester%2Fjava%2Fsrc%2Forg%2Fforester%2Fsurfacing%2FDomainCountsBasedPairwiseSimilarityCalculator.java;h=904b642c4fb9f059603008b579322a5f5a97da99;hb=63685dd0262a506f0bf17cba6be1aa1ada5330f3;hp=c61dcaddb36e7521f5217ce239d2ae707615b5cb;hpb=eee996a6476a1e3d84c07f8f690dcde3ff4b2ef5;p=jalview.git

diff --git a/forester/java/src/org/forester/surfacing/DomainCountsBasedPairwiseSimilarityCalculator.java b/forester/java/src/org/forester/surfacing/DomainCountsBasedPairwiseSimilarityCalculator.java
index c61dcad..904b642 100644
--- a/forester/java/src/org/forester/surfacing/DomainCountsBasedPairwiseSimilarityCalculator.java
+++ b/forester/java/src/org/forester/surfacing/DomainCountsBasedPairwiseSimilarityCalculator.java
@@ -23,7 +23,7 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 //
 // Contact: phylosoft @ gmail . com
-// WWW: www.phylosoft.org/forester
+// WWW: https://sites.google.com/site/cmzmasek/home/software/forester
 
 package org.forester.surfacing;
 
@@ -35,8 +35,12 @@ public class DomainCountsBasedPairwiseSimilarityCalculator implements PairwiseDo
         if ( !domains_1.getKeyDomain().equals( domains_2.getKeyDomain() ) ) {
             throw new IllegalArgumentException( "attempt to calculate similarity between domain collection with different keys" );
         }
-        final int dc1 = domains_1.getKeyDomainCount();
-        final int dc2 = domains_2.getKeyDomainCount();
-        return new CountsBasedPairwiseDomainSimilarity( dc1 - dc2, dc1 + dc2 );
+        if ( ( domains_1.getKeyDomainCount() > Short.MAX_VALUE ) || ( domains_2.getKeyDomainCount() > Short.MAX_VALUE )
+                || ( ( domains_1.getKeyDomainCount() + domains_2.getKeyDomainCount() ) > Short.MAX_VALUE ) ) {
+            throw new IllegalArgumentException( "too large for short!" );
+        }
+        final short dc1 = ( short ) domains_1.getKeyDomainCount();
+        final short dc2 = ( short ) domains_2.getKeyDomainCount();
+        return new CountsBasedPairwiseDomainSimilarity( ( short ) ( dc1 - dc2 ), ( short ) ( dc1 + dc2 ) );
     }
 }