bench: refactor random number generation in stats/base/dists/negative-binomial

[gkbishnoi07]

Description

What is the purpose of this pull request?

This pull request:

• Refactors random number generation in JS benchmarks for stats/base/dists/negative-binomial.
• Replaces randu() with uniform() for cleaner and more consistent code.
• Moves the random number generation outside the benchmarking loops to improve efficiency.

Related Issues

Does this pull request have any related issues?

This pull request:

• Resolves [RFC]: Refactor random number generation in JS benchmarks for stats/base/dists/negative-binomial #4980

Questions

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No.

Other

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No.

Checklist

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• Read, understood, and followed the contributing guidelines

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Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/negative-binomial/cdf	$\color{green}272/272$ $\color{green}+100.00\%$	$\color{green}29/29$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}272/272$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/ctor	$\color{green}420/420$ $\color{green}+100.00\%$	$\color{green}31/31$ $\color{green}+100.00\%$	$\color{green}16/16$ $\color{green}+100.00\%$	$\color{green}420/420$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/kurtosis	$\color{green}122/122$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}122/122$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/logpmf	$\color{red}523/566$ $\color{green}+92.40\%$	$\color{red}45/51$ $\color{green}+88.24\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{red}523/566$ $\color{green}+92.40\%$
stats/base/dists/negative-binomial/mean	$\color{green}126/126$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}126/126$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/mgf	$\color{green}235/235$ $\color{green}+100.00\%$	$\color{green}22/22$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}235/235$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/mode	$\color{green}123/123$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}123/123$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/pmf	$\color{red}532/562$ $\color{green}+94.66\%$	$\color{red}49/57$ $\color{green}+85.96\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{red}532/562$ $\color{green}+94.66\%$
stats/base/dists/negative-binomial/quantile	$\color{green}402/402$ $\color{green}+100.00\%$	$\color{green}52/52$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}402/402$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/skewness	$\color{green}123/123$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}123/123$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/stdev	$\color{green}123/123$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}123/123$ $\color{green}+100.00\%$
stats/base/dists/negative-binomial/variance	$\color{green}122/122$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}122/122$ $\color{green}+100.00\%$

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

[stdlib-bot]

Hello! Thank you for your contribution to stdlib.

We noticed that the contributing guidelines acknowledgment is missing from your pull request. Here's what you need to do:

1. Please read our contributing guidelines.

2. Update your pull request description to include this checked box:

   - [x] Read, understood, and followed the [contributing guidelines](https://github.com/stdlib-js/stdlib/blob/develop/CONTRIBUTING.md)

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We can't review or accept contributions without this acknowledgment.

Thank you for your understanding and cooperation. We look forward to reviewing your contribution!

[gkbishnoi07]

@anandkaranubc ready for review

[anandkaranubc]

@anandkaranubc ready for review

@gkbishnoi07, I left some comments for you to review. Please ensure that the suggested changes are applied consistently throughout the PR, including areas where they were not explicitly mentioned but are necessary.

[gkbishnoi07]

@anandkaranubc please review