feat: add native addon to floorn and cfloorn

[steff456]

Part of https://github.com/stdlib-js/todo/issues/1454

Description

What is the purpose of this pull request?

This pull request:

For floorn API:

• Adds C implementation
• Adds native addon with benchmark, tests, examples and readme update

For cfloorn API:

• Removes out keyword
• Adds support for Complex128 dtype
• Adds C implementation
• Adds native addon with benchmark, tests, examples and readme update

Related Issues

Does this pull request have any related issues?

This pull request:

• Part of https://github.com/stdlib-js/todo/issues/1454

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[kgryte]

@steff456 Overall this is looking good. Some things need to still be addressed, but they should all be straightforward. Once resolved, should be ready for merge.

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{green}257/257$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}257/257$ $\color{green}+100.00\%$
math/base/special/floorn	$\color{green}272/272$ $\color{green}+100.00\%$	$\color{green}24/24$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}272/272$ $\color{green}+100.00\%$

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

[kgryte]

LGTM. Once CI passes, will merge...

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{red}253/257$ $\color{green}+98.44\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}253/257$ $\color{green}+98.44\%$
math/base/special/floorn	$\color{red}269/272$ $\color{green}+98.90\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{red}1/2$ $\color{green}+50.00\%$	$\color{red}269/272$ $\color{green}+98.90\%$

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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/cfloorn	$\color{green}257/257$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}257/257$ $\color{green}+100.00\%$
math/base/special/floorn	$\color{green}272/272$ $\color{green}+100.00\%$	$\color{green}24/24$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}272/272$ $\color{green}+100.00\%$

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