shared_randomstreams.py 文件源码

def __init__(self, seed=None):
        super(RandomStreams, self).__init__()
        # A list of pairs of the form (input_r, output_r).  This will be
        # over-ridden by the module instance to contain stream generators.
        self.state_updates = []
        # Instance variable should take None or integer value. Used to seed the
        # random number generator that provides seeds for member streams.
        self.default_instance_seed = seed
        # numpy.RandomState instance that gen() uses to seed new streams.
        self.gen_seedgen = numpy.random.RandomState(seed)