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-rw-r--r--src/jcgp/function/Addition.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/jcgp/function/Addition.java b/src/jcgp/function/Addition.java
index faf11d5..45a8d35 100644
--- a/src/jcgp/function/Addition.java
+++ b/src/jcgp/function/Addition.java
@@ -9,7 +9,7 @@ public class Addition extends Function {
if (connections.length > 0) {
return connections[0].getValue() + connections[1].getValue();
} else {
- return 0;
+ throw new InsufficientArgumentsException();
}
}