Source code for embodichain.agents.rl.algo.base

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# Copyright (c) 2021-2026 DexForce Technology Co., Ltd.
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#     http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from typing import Dict
import torch
from tensordict import TensorDict




class BaseAlgorithm:
    """Base class for RL algorithms.

    Algorithms only implement policy updates over collected rollouts.
    """

    device: torch.device



    def update(self, rollout: TensorDict) -> Dict[str, float]:
        """Update policy using collected data and return training losses."""
        raise NotImplementedError