Source code for maxframe.tensor.misc.broadcast_arrays

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from maxframe.core import ExecutableTuple
from maxframe.tensor.datasource import tensor as astensor
from maxframe.tensor.misc.broadcast_to import broadcast_to
from maxframe.tensor.utils import broadcast_shape
from maxframe.utils import check_unexpected_kwargs




def broadcast_arrays(*args, **kwargs):
    """
    Broadcast any number of arrays against each other.

    Parameters
    ----------
    `*args` : array_likes
        The tensors to broadcast.

    Returns
    -------
    broadcasted : list of tensors

    Examples
    --------
    >>> import maxframe.tensor as mt

    >>> x = mt.array([[1,2,3]])
    >>> y = mt.array([[1],[2],[3]])
    >>> mt.broadcast_arrays(x, y).execute()
    [array([[1, 2, 3],
           [1, 2, 3],
           [1, 2, 3]]), array([[1, 1, 1],
           [2, 2, 2],
           [3, 3, 3]])]

    """
    check_unexpected_kwargs(kwargs)

    args = [astensor(arg) for arg in args]

    shape = broadcast_shape(*[arg.shape for arg in args])
    return ExecutableTuple([broadcast_to(a, shape) for a in args])