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-rw-r--r--src/base/statistics.hh8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/base/statistics.hh b/src/base/statistics.hh
index 3c1a55623..f3b6ae39f 100644
--- a/src/base/statistics.hh
+++ b/src/base/statistics.hh
@@ -2856,6 +2856,14 @@ class Formula : public DataWrapVec<Formula, FormulaInfoProxy>
* @return a reference to this formula.
*/
const Formula &operator+=(Temp r);
+
+ /**
+ * Divide the existing tree by the given one.
+ * @param r The root of the expression tree.
+ * @return a reference to this formula.
+ */
+ const Formula &operator/=(Temp r);
+
/**
* Return the result of the Fomula in a vector. If there were no Vector
* components to the Formula, then the vector is size 1. If there were,