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

[Siddhram]

Resolves a part of #14034

Description

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This pull request:

• feat: add C implementation for stats/base/ndarray/snanmean

Related Issues

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This pull request has the following related issues:

• [RFC] : add C implementations for @stdlib/stats/base/ndarray packages (tracking issue) #14034

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/ndarray/snanmean	$\\color{green}176/176$ $\\color{green}+0.00\\%$	$\\color{green}7/7$ $\\color{green}+0.00\\%$	$\\color{green}2/2$ $\\color{green}+0.00\\%$	$\\color{green}176/176$ $\\color{green}+0.00\\%$

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

[ujjwalv01]

Everthing else looks good!

[Siddhram]

Everthing else looks good!

I've fixed the equation. Please take another look.

[ujjwalv01]

Looks good to me!

cc : @kgryte

[0PrashantYadav0]

Make the suggested changes

[0PrashantYadav0]

Why you revert the expected changes? You can refer #14628 if getting any error.

[Sachinn-64]

LGTM.

[0PrashantYadav0]

@Sachinn-64, shouldn't benchmark.native.js be updated to create a random uniform array using @stdlib/random/uniform?

[Sachinn-64]

@Sachinn-64, shouldn't benchmark.native.js be updated to create a random uniform array using @stdlib/random/uniform?

Refer https://github.com/stdlib-js/stdlib/blob/develop/lib/node_modules/%40stdlib/stats/base/ndarray/snanmax/benchmark/benchmark.native.js

[0PrashantYadav0]

I think https://github.com/stdlib-js/stdlib/blob/develop/lib/node_modules/%40stdlib/stats/base/ndarray/snanmax/benchmark/benchmark.native.js this one also need to changes the benchmark implementation here.

@kgryte need your input here.