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Update gym_lib.py
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Mattia-Colbertaldo authored Nov 8, 2023
1 parent d80df95 commit bca846c
Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions dopamine/discrete_domains/gym_lib.py
Original file line number Diff line number Diff line change
Expand Up @@ -135,16 +135,16 @@ def __init__(self, min_vals, max_vals, num_actions,
def reset_last_layer(self):
"""Reset the last layer(s) of the network."""
initializers = [tf.keras.initializers.glorot_uniform(), tf.keras.initializers.Zeros()]
dense1.set_weights([np.array(initializers[0]((4, 512)), dtype=np.float32),
self.dense1.set_weights([np.array(initializers[0]((4, 512)), dtype=np.float32),
np.array(initializers[1]((512,)), dtype=np.float32)])
dense2.set_weights([np.array(initializers[0]((512, 512)), dtype=np.float32),
self.dense2.set_weights([np.array(initializers[0]((512, 512)), dtype=np.float32),
np.array(initializers[1]((512,)), dtype=np.float32)])

if num_atoms is None:
last_layer.set_weights([np.array(initializers[0]((self.num_actions, 512)), dtype=np.float32),
self.last_layer.set_weights([np.array(initializers[0]((self.num_actions, 512)), dtype=np.float32),
np.array(initializers[1]((self.num_actions,)), dtype=np.float32)])
else:
last_layer.set_weights([np.array(initializers[0]((self.num_actions * num_atoms, 512)), dtype=np.float32),
self.last_layer.set_weights([np.array(initializers[0]((self.num_actions * num_atoms, 512)), dtype=np.float32),
np.array(initializers[1]((self.num_actions * num_atoms,)), dtype=np.float32)])


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