Fix division by zero for low frequency timers for CV statistics

google · Jan 2, 2024 · 079b40e · 079b40e
1 parent 7b52bf7
commit 079b40e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/statistics.cc b/src/statistics.cc
@@ -84,6 +84,8 @@ double StatisticsCV(const std::vector<double>& v) {
   const auto stddev = StatisticsStdDev(v);
   const auto mean = StatisticsMean(v);
 
+  if (std::fpclassify(mean) == FP_ZERO) return 0.0;
+
   return stddev / mean;
 }