Returns {@code true} if the specified number is a Not-a-Number (NaN) value, {@code false} otherwise.
@param v the value to be tested. @return {@code true} if the argument is NaN; {@code false} otherwise.
See Implementation
Returns {@code true} if the specified number is a Not-a-Number (NaN) value, {@code false} otherwise.
@param v the value to be tested. @return {@code true} if the argument is NaN; {@code false} otherwise.