def for_signed_dtypes_combination(names=('dtype',), full=None):
 return for_dtypes_combination(_signed_dtypes, names=names, full=full)

def for_signed_dtypes_combination ( names = ( 'dtype' , ) , full = None ) : return for_dtypes_combination ( _signed_dtypes , names = names , full = full )
decorator for parameterized test w .