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Add dtype keyword argument to sum and prod #238

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Merged
merged 13 commits into from
Sep 17, 2021
Merged

Add dtype keyword argument to sum and prod #238

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b6b86cd
Add `dtype` keyword to `sum` and `prod`
kgryte Jul 26, 2021
ce75682
Update copy
kgryte Jul 26, 2021
8bb356b
Fix copy
kgryte Jul 26, 2021
6e23ff1
Remove empty lines
kgryte Jul 28, 2021
f6e7f9f
Remove duplicate word
kgryte Jul 28, 2021
0cd7bf4
Remove empty lines
kgryte Aug 30, 2021
f57c042
Merge branch 'sum-prod-dtype' of https://github.com/pydata-apis/array…
kgryte Aug 30, 2021
d40f70c
Fix promotion rules for sum and prod
kgryte Sep 13, 2021
69756c2
Merge branch 'main' of https://github.com/pydata-apis/array-api into …
kgryte Sep 13, 2021
7320f46
Merge branch 'main' of https://github.com/pydata-apis/array-api into …
kgryte Sep 13, 2021
db7a266
Update desc
kgryte Sep 17, 2021
ae7e79b
Update desc
kgryte Sep 17, 2021
feb5fe4
Clarify casting rules
kgryte Sep 17, 2021
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Clarify casting rules
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@kgryte
kgryte authored Sep 17, 2021
commit feb5fe477d798b20ed0c2a4918289b8cd2ed96c4
4 changes: 2 additions & 2 deletions spec/API_specification/statistical_functions.md
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Expand Up @@ -109,7 +109,7 @@ Calculates the product of input array `x` elements.

- data type of the returned array. If `None`,

- if the default data type corresponding to the data type "kind" (integer or floating-point) of `x` is smaller than the data type of `x` (e.g., `x` has data type `int64` and the default data type is `int32`), the returned array must have the same data type as `x`.
- if the default data type corresponding to the data type "kind" (integer or floating-point) of `x` has a smaller range of values than the data type of `x` (e.g., `x` has data type `int64` and the default data type is `int32`, or `x` has data type `uint64` and the default data type is `int64`), the returned array must have the same data type as `x`.
- otherwise, the returned array must have the default data type corresponding to the data type "kind" (integer or floating-point) of `x`.

If the data type (either specified or resolved) differs from the data type of `x`, the input array should be cast to the specified data type before computing the product. Default: `None`.
Expand Down Expand Up @@ -176,7 +176,7 @@ Calculates the sum of the input array `x`.

- data type of the returned array. If `None`,

- if the default data type corresponding to the data type "kind" (integer or floating-point) of `x` is smaller than the data type of `x` (e.g., `x` has data type `int64` and the default data type is `int32`), the returned array must have the same data type as `x`.
- if the default data type corresponding to the data type "kind" (integer or floating-point) of `x` has a smaller range of values than the data type of `x` (e.g., `x` has data type `int64` and the default data type is `int32`, or `x` has data type `uint64` and the default data type is `int64`), the returned array must have the same data type as `x`.
- otherwise, the returned array must have the default data type corresponding to the data type "kind" (integer or floating-point) of `x`.

If the data type (either specified or resolved) differs from the data type of `x`, the input array should be cast to the specified data type before computing the sum. Default: `None`.
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