diff options
| -rw-r--r-- | sql/item_sum.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index f10fd61bd18..9fa146593d8 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -2042,7 +2042,7 @@ double Item_sum_std::val_real() { DBUG_ASSERT(fixed == 1); double nr= Item_sum_variance::val_real(); - if (isnan(nr)) + if (std::isnan(nr)) { /* variance_fp_recurrence_next() can overflow in some cases and return "nan": |