fix incorrect results

apache · Jul 26, 2023 · a4a499a · a4a499a
1 parent 35ac14d
commit a4a499a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/apache/sysds/runtime/compress/cocode/CoCoderFactory.java b/src/main/java/org/apache/sysds/runtime/compress/cocode/CoCoderFactory.java
@@ -75,7 +75,7 @@ public static CompressedSizeInfo findCoCodesByPartitioning(AComEst est, Compress
 			final int nRow = groups.get(0).getNumRows();
 
 			// filter groups
-			for(int i = groups.size() - 1; i > 0; i--) {
+			for(int i = groups.size() - 1; i >= 0; i--) {
 				CompressedSizeInfoColGroup g = groups.get(i);
 				if(g.isEmpty()) {
 					emptyCols.add(g.getColumns());