use nan instead of NaN by default.
@@ -222,9 +222,6 @@ SELECT asin(1.1);
----
nan
----- http
-NaN
-
statement query F
SELECT acos(1);
@@ -237,9 +234,6 @@ SELECT acos(1.0001);
----
nan
----- http
-NaN
-
statement query F
SELECT atan(1);
@@ -320,10 +314,6 @@ SELECT sqrt(-4);
----
nan
----- http
-NaN
-
-
statement error 1065
SELECT sqrt('a');
