Fix for #127

ee099a46 · Daniel Le Berre · 2e3dde80 · ee099a46
Commit ee099a46 authored Nov 12, 2018 by Daniel Le Berre
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Showing with 1 addition and 1 deletion

org.sat4j.pb/src/main/java/org/sat4j/pb/OPBStringSolver.java org.sat4j.pb/src/main/java/org/sat4j/pb/OPBStringSolver.java +1 -1

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--- a/org.sat4j.pb/src/main/java/org/sat4j/pb/OPBStringSolver.java
+++ b/org.sat4j.pb/src/main/java/org/sat4j/pb/OPBStringSolver.java
@@ -194,7 +194,7 @@ public class OPBStringSolver extends DimacsStringSolver implements IPBSolver {
            tmp.append(nVars());
            tmp.append(" #constraint= ");
            tmp.append(this.nbOfConstraints);
-            if (this.obj != null) {
+            if (this.obj != null && !this.obj.getCoeffs().isEmpty()) {
                tmp.append("\n");
                tmp.append("min: ");
                tmp.append(this.obj);