Returns {@code true} if this {@code Double} value is a Not-a-Number (NaN), {@code false} otherwise.
@return {@code true} if the value represented by this object is NaN; {@code false} otherwise.
See Implementation
Returns {@code true} if this {@code Double} value is a Not-a-Number (NaN), {@code false} otherwise.
@return {@code true} if the value represented by this object is NaN; {@code false} otherwise.