def ndarray_max_empty(size):
    a = Array(size, 'int8')
    return a.max()
def ndarray_max_initial(size, v, initial):
    a = Array(size, 'double')
    a.fill(v)
    return a.max(initial=initial)
def ndarray_max(size, v):
    a = Array(size, 'double')
    a.fill(v)
    return a.max()