add function to query whether ErrorStats class has data

2020-08-09 01:01:35 -04:00
parent 2edad432ce
commit e94d1c5537
2 changed files with 3 additions and 0 deletions
--- a/unittest/force-styles/error_stats.h
+++ b/unittest/force-styles/error_stats.h
@ -29,6 +29,7 @@ public:
    double dev() const;
    double max() const { return maxerr; }
    double idx() const { return maxidx; }
+    bool has_data() const { return num > 0; }

 private:
    double sum, sumsq, maxerr;