File: rw.py

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pytorch-sparse 0.6.18-3
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import torch
from torch_sparse.tensor import SparseTensor


def random_walk(src: SparseTensor, start: torch.Tensor,
                walk_length: int) -> torch.Tensor:
    rowptr, col, _ = src.csr()
    return torch.ops.torch_sparse.random_walk(rowptr, col, start, walk_length)


SparseTensor.random_walk = random_walk