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Diffstat (limited to 'src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java')
-rw-r--r--src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java b/src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java
index f91dcda..a324d2a 100644
--- a/src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java
+++ b/src/jrummikub/ai/fdsolver/constraint/OffsetConstraint.java
@@ -10,7 +10,7 @@ import jrummikub.ai.fdsolver.Propagator;
import jrummikub.ai.fdsolver.Satisfiability;
import jrummikub.ai.fdsolver.Var;
-public class OffsetConstraint implements Constraint {
+public class OffsetConstraint extends Constraint {
private Var<Integer> x, y;
int offset;
Propagator propX, propY;