feat: add C implementation for stats/base/dists/normal/logpdf

[manvith2003]

Resolves #3775

Description

What is the purpose of this pull request?

This pull request:

• adds C implementation for stats/base/dists/normal/logpdf along with relevant tests, docs, examples and benchmarks.

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves [RFC]: Add C implementation for @stdlib/stats/base/dists/normal/logpdf #3775

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.

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@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/normal/logpdf	$\color{green}312/312$ $\color{green}+100.00\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}312/312$ $\color{green}+100.00\%$

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

[Planeshifter]

/stdlib merge

[Planeshifter]

Let's land it once CI checks are all green.

[stdlib-bot]

PR Commit Message

feat: add C implementation for `stats/base/dists/normal/logpdf`

PR-URL: https://github.com/stdlib-js/stdlib/pull/3991
Closes: https://github.com/stdlib-js/stdlib/issues/3775

Co-authored-by: Philipp Burckhardt <[email protected]>
Co-authored-by: stdlib-bot <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>
Signed-off-by: Philipp Burckhardt <[email protected]>

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