feat: add C ndarray interface and refactor implementation for stats/base/snanmeanwd

[0PrashantYadav0]

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Resolves None.

Description

What is the purpose of this pull request?

This pull request:

• Updates native addon from C++ to C for stats/base/snanmeanwd
• adds C ndarray interface for stats/base/snanmeanwd
• refactors JavaScript implementation
• updates tests, docs, examples and benchmarks

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves None.

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-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/snanmeanwd	$\color{green}407/407$ $\color{green}+100.00\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}407/407$ $\color{green}+100.00\%$

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

[aayush0325]

can you please make changes here as done in #4994

[0PrashantYadav0]

Done 👍

[aayush0325]

minor changes needed, otherwise LGTM

[0PrashantYadav0]

@aayush0325 Made the changes you asked for please review.

[kgryte]

@0PrashantYadav0 Thanks for working on this. Left a few minor comments. Once resolved, we should be able to merge. Thanks, @aayush0325, for the initial review!

[0PrashantYadav0]

@kgryte Made the changes you asked for please review and merge. Thank you.

[kgryte]

@0PrashantYadav0 You need to apply the benchmark file changes to the other benchmarks, as mentioned in the comment above.

[0PrashantYadav0]

@kgryte Sorry i miss those changes. I updated them in the latest commit.

[aayush0325]

lgtm

[0PrashantYadav0]

@kgryte Made all the changes please review and merge.

[kgryte]

LGTM