On Fri, Aug 18, 2023 at 10:59 AM Ronald van Elburg < r.a.j.van.elb...@hetnet.nl> wrote:
> I was trying to get a feel for how often the work around occurs. I found > three clear examples in Scipy and one unclear case. One case in holoviews. > Two in numpy. One from soundappraisal's code base. > Thank you Ronald. I think we indeed have more than enough evidence that allowing prepending an initial zero is useful. I think the API currently proposed in https://github.com/data-apis/array-api/pull/653 should work for that: def cumulative_sum( x: array, /, *, axis: Optional[int] = None, dtype: Optional[dtype] = None, include_initial: bool = False, ) -> array: Whether it's necessary to have other keywords to prepend anything other than zero, or append rather than prepend, is a lot less clear. Did you find a clear need for those things? Cheers, Ralf
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