1 files changed, 6 insertions, 0 deletions
diff --git a/src/theory/arith/delta_rational.cpp b/src/theory/arith/delta_rational.cpp
index 90529529a..0c94b1d08 100644
--- a/src/theory/arith/delta_rational.cpp
+++ b/src/theory/arith/delta_rational.cpp
@@ -8,3 +8,9 @@ std::ostream& CVC4::operator<<(std::ostream& os, const DeltaRational& dq){
   return os << "(" << dq.getNoninfintestimalPart()
             << "," << dq.getInfintestimalPart() << ")";
 }
+
+
+std::string DeltaRational::toString() const {
+  return "(" + getNoninfintestimalPart().toString() + "," +
+    getInfintestimalPart().toString() + ")";
+}