10000 Specify behavior of statistical reductions over the empty set by kgryte · Pull Request #262 · data-apis/array-api · GitHub
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Specify behavior of statistical reductions over the empty set #262

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Merged
merged 5 commits into from
Sep 15, 2021
Merged

Specify behavior of statistical reductions over the empty set #262

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cf28806
Specify `mean` behavior when provided a 0D array
kgryte Sep 13, 2021
0168a1f
Specify `prod` behavior when provided a 0D array
kgryte Sep 13, 2021
8e7a73c
Specify `sum` behavior when provided a 0D array
kgryte Sep 13, 2021
9229e97
Rephrase special cases and add special cases for other stats reductions
kgryte Sep 13, 2021
12415cb
Add guidance for min and max when `x` is 0D
kgryte Sep 13, 2021
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Specify sum behavior when provided a 0D array
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@kgryte
kgryte committed Sep 13, 2021
commit 8e7a73c148e2a4e162f8a3b586c47952825111c0
6 changes: 6 additions & 0 deletions spec/API_specification/statistical_functions.md
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Expand Up @@ -161,6 +161,12 @@ Calculates the standard deviation of the input array `x`.

Calculates the sum of the input array `x`.

#### Special Cases

For an input array `x`,

- if an axis (or axes) along which to compute products is zero-dimensional, the sum is `0`.

#### Parameters

- **x**: _<array>_
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