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[Feature] determinstic_sample for composite dist #827

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merged 1 commit into from
Jun 24, 2024
Merged

[Feature] determinstic_sample for composite dist #827

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8 changes: 8 additions & 0 deletions tensordict/nn/distributions/composite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,14 @@ def mean(self) -> TensorDictBase:
self.batch_shape,
)

@property
def deterministic_sample(self) -> TensorDictBase:
samples = {name: dist.deterministic_sample for name, dist in self.dists.items()}
return TensorDict(
samples,
self.batch_shape,
)

def rsample(self, shape=None) -> TensorDictBase:
if shape is None:
shape = torch.Size([])
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