feat: add C ndarray API and refactor blas/ext/base/snansumpw

[Snehil-Shah]

Description

What is the purpose of this pull request?

This pull request:

• adds C ndarray API for blas/ext/base/snansumpw.
• refactors package to follow updated project conventions.
• Updates stride handling where stride is equal to zero.
• Adds test cases for NaN values.

Related Issues

Does this pull request have any related issues?

No.

Questions

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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/snansumpw	$\color{green}457/457$ $\color{green}+100.00\%$	$\color{green}59/59$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}457/457$ $\color{green}+100.00\%$

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

[headlessNode]

@Snehil-Shah Left an initial round of review. Thanks for working on this.

[Planeshifter]

Looks good to me! Thanks @Snehil-Sha for your PR.

[stdlib-bot]

PR Commit Message

feat: add C `ndarray` API and refactor `blas/ext/base/snansumpw`

PR-URL: https://github.com/stdlib-js/stdlib/pull/3353

Reviewed-by: Muhammad Haris <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>
Signed-off-by: Snehil Shah <[email protected]>

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