Function _get_reduce_axis

python/paddle/tensor/math.py:190–210

Internal function for max, min, amax and amin. It computes the attribute reduce_all value based on axis.

(axis, x)

def _get_reduce_axis(axis, x):
    """
    Internal function for max, min, amax and amin.
    It computes the attribute reduce_all value based on axis.
    """
    if axis is not None and not isinstance(axis, list):
        if isinstance(axis, (tuple, range)):
            axis = list(axis)
        elif isinstance(axis, int):
            axis = [axis]
        else:
            raise TypeError(
                f"The type of axis must be int, list or tuple, but received {type(axis)}"
            )
    if axis is None:
        axis = []
    if axis == [] or len(axis) == len(x.shape):
        reduce_all = True
    else:
        reduce_all = False
    return reduce_all, axis


def _get_reduce_axis_with_tensor(axis, x):