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"""Shared helpers for experimental render wrappers."""

from __future__ import annotations

import torch


def check_inference_grad_mode() -> None:
    """Raise if autograd is enabled and inference mode is off."""
    if torch.is_grad_enabled() and not torch.is_inference_mode_enabled():
        raise RuntimeError(
            "rasterize_gaussian_inference_scene requires "
            "torch.inference_mode() or torch.no_grad()"
        )


__all__ = ["check_inference_grad_mode"]
