Vector.py 文件源码

def __init__(self, *args):

        """
        Example of usage::

          Vector(1, 3)
          Vector((1, 3))
          Vector([1, 3])
          Vector(iterable)
          Vector(vector)

        """

        array = self._check_arguments(args)

        # call __getitem__ once
        self._v = np.array(array[:2], dtype=self.__data_type__)

    ##############################################