refactor: replace fabs with stdlib_base_abs in C implementation of blas/ext/base/dapxsumkbn

[headlessNode]

Description

What is the purpose of this pull request?

This pull request:

• replace the use of fabs with stdlib_base_abs in the C implementation of blas/ext/base/dapxsumkbn

Related Issues

Does this pull request have any related issues?

No.

Questions

Any questions for reviewers of this pull request?

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-js/reviewers

[kgryte]

LGTM. Thanks, @headlessNode!

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base/dapxsumkbn	$\color{green}392/392$ $\color{green}+100.00\%$	$\color{green}21/21$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}392/392$ $\color{green}+100.00\%$

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

[kgryte]

/stdlib merge