parameters: (self)
return_statement: return self._exp in ('n', 'N')
docstring: Return True if self is a qNaN or sNaN; otherwise return False.
docstring_summary: Return True if self is a qNaN or sNaN; otherwise return False.
docstring_tokens: Return True if self is a qNaN or sNaN ; otherwise return False .
function: def is_nan(self):
          """Return True if self is a qNaN or sNaN; otherwise return False."""
          return self._exp in ('n', 'N')
function_tokens: def is_nan ( self ) : return self . _exp in ( 'n' , 'N' )