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FlatReward.py
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FlatReward.py
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# Copyright (c) 2019-2020, RTE (https://www.rte-france.com)
# See AUTHORS.txt
# This Source Code Form is subject to the terms of the Mozilla Public License, version 2.0.
# If a copy of the Mozilla Public License, version 2.0 was not distributed with this file,
# you can obtain one at http://mozilla.org/MPL/2.0/.
# SPDX-License-Identifier: MPL-2.0
# This file is part of Grid2Op, Grid2Op a testbed platform to model sequential decision making in power systems.
from grid2op.Reward.BaseReward import BaseReward
from grid2op.dtypes import dt_float
class FlatReward(BaseReward):
"""
This reward return a fixed number (if there are not error) or 0 if there is an error.
Examples
---------
You can use this reward in any environment with:
.. code-block:
import grid2op
from grid2op.Reward import FlatReward
# then you create your environment with it:
NAME_OF_THE_ENVIRONMENT = "rte_case14_realistic"
env = grid2op.make(NAME_OF_THE_ENVIRONMENT,reward_class=FlatReward)
# and do a step with a "do nothing" action
obs = env.reset()
obs, reward, done, info = env.step(env.action_space())
# the reward is computed with the FlatReward class
"""
def __init__(self, per_timestep=1):
BaseReward.__init__(self)
self.per_timestep = dt_float(per_timestep)
self.reward_min = dt_float(0.0)
self.reward_max = dt_float(per_timestep)
def __call__(self, action, env, has_error, is_done, is_illegal, is_ambiguous):
if not has_error:
res = self.per_timestep
else:
res = self.reward_min
return res