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31 lines
964 B
Python
31 lines
964 B
Python
from gymnasium import spaces
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class Parameter(object):
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def __init__(self, name, value=0.0, min_value=0, max_value=2, meta=None, trainable=True):
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self.name = name
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self.trainable = trainable
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self.meta = meta
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self.value = value
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self.min_value = min_value
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self.max_value = max_value + 1
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# gymnasium.space.Discrete is within [0, 1, 2, ..., n-1]
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if self.min_value < 0:
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self.scale_factor = abs(self.min_value)
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elif self.min_value > 0:
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self.scale_factor = -self.min_value
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else:
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self.scale_factor = 0
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def space_size(self):
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return self.max_value + self.scale_factor
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def space(self):
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return spaces.Discrete(self.max_value + self.scale_factor)
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def to_param_value(self, policy_v):
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self.value = policy_v - self.scale_factor
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assert self.min_value <= self.value <= self.max_value
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return int(self.value)
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