feat: add C implementation for stats/base/ndarray/smeanors

[AtharvaPatange]

Description

What is the purpose of this pull request?

This pull request:

• feat: add C implementation for blas/ext/base/ndarray/smeanlipw

Related Issues

Does this pull request have any related issues?

This pull request has the following 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.

AI Assistance

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• Yes
• No

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• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
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Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/ndarray/smeanors	$\\color{green}176/176$ $\\color{green}+100.00\\%$	$\\color{green}7/7$ $\\color{green}+100.00\\%$	$\\color{green}2/2$ $\\color{green}+100.00\\%$	$\\color{green}176/176$ $\\color{green}+100.00\\%$

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

[ujjwalv01]

Hey @AtharvaPatange

Could you add Resolves a part of #14034 at the very top of your PR description?
Also, it would be great if you could update the Related Issues section to include #14034 instead of "No". This helps link the PR back to the main tracking issue so we can all easily keep track of the progress for blas/ext/base/ndarray packages.

Thanks;