bench: refactor to use dynamic memory allocation in blas/base/idamax

[opbot-xd]

Description

What is the purpose of this pull request?

This pull request:

• Refactors the C benchmark for blas/base/idamax to use dynamic memory allocation instead of static memory allocation for large arrays.

Related Issues

Does this pull request have any related issues?

This pull request progresses the following related issues:

• [RFC]: replace static memory allocation of large arrays in C benchmarks with dynamic memory allocation (tracking issue) #8643

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

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

• Yes
• No

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/base/idamax	$\color{green}369/369$ $\color{green}+100.00%$	$\color{green}20/20$ $\color{green}+100.00%$	$\color{green}4/4$ $\color{green}+100.00%$	$\color{green}369/369$ $\color{green}+100.00%$

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

[kgryte]

LGTM

[stdlib-bot]

PR Commit Message

bench: refactor to use dynamic memory allocation in `blas/base/idamax`

PR-URL: https://github.com/stdlib-js/stdlib/pull/8815
Ref: https://github.com/stdlib-js/stdlib/issues/8643

Reviewed-by: Athan Reines <kgryte@gmail.com>

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

⚠️ Action Required: This PR references tracking issues. Please update the PR description to replace any "Closes", "Fixes", or "Resolves" keywords with "Ref" when referencing these issues.