Files
Gymnasium/gym/envs/algorithmic/reverse.py
Colin e84bd0ffe1 Algorithmic refactor (#383)
* Refactor/document algorithmic environments and add tests.

* test for 3 row addition

* Fix failing rollout test by reinserting quirk in reversedAddition env

* todo regarding addition3-v0

* Fix python 3 division issues

* typo fix

* Re-generate python3 rollout file to account for ReversedAddition bug fix
2016-10-21 16:06:48 -07:00

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490 B
Python

"""
Task is to reverse content over the input tape.
http://arxiv.org/abs/1511.07275
"""
import numpy as np
from gym.envs.algorithmic import algorithmic_env
class ReverseEnv(algorithmic_env.TapeAlgorithmicEnv):
MIN_REWARD_SHORTFALL_FOR_PROMOTION = -.1
def __init__(self, base=2):
super(ReverseEnv, self).__init__(base=base, chars=True, starting_min_length=1)
self.last = 50
def target_from_input_data(self, input_str):
return list(reversed(input_str))