File: utils.py

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pytorch-scatter 2.1.2-4
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import torch


def broadcast(src: torch.Tensor, other: torch.Tensor, dim: int):
    if dim < 0:
        dim = other.dim() + dim
    if src.dim() == 1:
        for _ in range(0, dim):
            src = src.unsqueeze(0)
    for _ in range(src.dim(), other.dim()):
        src = src.unsqueeze(-1)
    src = src.expand(other.size())
    return src