Source code for aitemplate.utils.tensor_utils

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"""
Util functions to handle tensor shapes.
"""


[docs]def wrap_dim(idx, rank): """ Wrap tensor index, idx, if it's negative. """ assert isinstance(idx, int), "idx must be int, but got {}".format(type(idx)) if idx < 0: idx = idx + rank assert idx < rank, "idx {} out of range; rank {}".format(idx, rank) return idx