Function sum

dask/array/reductions.py:70–83

(a, axis=None, dtype=None, keepdims=False, split_every=None, out=None)

@derived_from(np)
def sum(a, axis=None, dtype=None, keepdims=False, split_every=None, out=None):
    if dtype is None:
        dtype = getattr(np.zeros(1, dtype=a.dtype).sum(), "dtype", object)
    result = reduction(
        a,
        chunk.sum,
        chunk.sum,
        axis=axis,
        keepdims=keepdims,
        dtype=dtype,
        split_every=split_every,
        out=out,
    )
    return result


@derived_from(np)