mindspore_rl.policy.random_policy 源代码

# Copyright 2021 Huawei Technologies Co., Ltd
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"""
RandomPolicy.
"""

import mindspore
from mindspore import Tensor

from mindspore_rl.policy import Policy


[文档]class RandomPolicy(Policy): r""" Produces a random action betweens [0, `acton_space_dim`). Args: action_space_dim(int): dimension of the action space. shape(tuple, optional): shape of output action in random policy. Default: (1,). Examples: >>> action_space_dim = 2 >>> policy = RandomPolicy(action_space_dim) >>> output = policy() >>> print(output.shape) (1,) """ def __init__(self, action_space_dim, shape=(1,)): super().__init__() self.randint = mindspore.ops.UniformInt() self.minval = Tensor(0, mindspore.int32) self.maxval = Tensor(action_space_dim, mindspore.int32) self.shape = shape # pylint:disable=W0221
[文档] def construct(self): """ Returns a random number betweens [0, `acton_space_dim`). Returns: A random integer betweens [0, `acton_space_dim`). """ return self.randint(self.shape, self.minval, self.maxval)