refactor: update stride handling and function documentation for blas/ext/base/dapxsumpw

[headlessNode]

Description

What is the purpose of this pull request?

This pull request:

• update the stride handling where stride is equal to zero.
• update function documentation.
• update relevant tests.

Related Issues

Does this pull request have any related issues?

No.

Questions

Any questions for reviewers of this pull request?

No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

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@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base/dapxsumpw	$\color{green}438/438$ $\color{green}+100.00\%$	$\color{green}24/24$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}438/438$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[Planeshifter]

LGTM!

[stdlib-bot]

PR Commit Message

refactor: update `stride` handling and function documentation for `blas/ext/base/dapxsumpw`

PR-URL: https://github.com/stdlib-js/stdlib/pull/3248

Reviewed-by: Philipp Burckhardt <[email protected]>

Please review the above commit message and make any necessary adjustments.