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feat: add blas/base/zdscal #4738

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@rreusser rreusser commented Jan 13, 2025 •
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Towards #2464.

Description

What is the purpose of this pull request?

This pull request:

This pull request adds JS implementation for blas/base/zdscal.

Related Issues

Does this pull request have any related issues?

N/A

Questions

Any questions for reviewers of this pull request?

  • I added a early return in the case that da === 1.0 (i.e. scaling by unity). The BLAS code does not share this. As far as I can tell, there is no case in IEEE754 in which multiplying by 1.0 would change the value (e.g. NaN, Inf, -Inf, -0.0, subnormals). I suspect it's probably best to remove my novel innovation in favor of "just do what BLAS does."

Update: I've removed this early return.

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.

  • Verify correct building/functioning of native modules
  • Read, understood, and followed the contributing guidelines.

@stdlib-js/reviewers

@rreusser
feat: add blas/base/zdscal
03c3b4b 
Add a function to scale a double precision complex vector by a double
precision floating point number.

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@stdlib-bot stdlib-bot added the BLAS Issue or pull request related to Basic Linear Algebra Subprograms (BLAS). label Jan 13, 2025
@rreusser
feat: fix zdscal manifest
dad4f92 
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stdlib-bot commented Jan 14, 2025 •
edited
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Coverage Report

Package Statements Branches Functions Lines
blas/base/zdscal $\color{green}472/472$
$\color{green}+100.00\%$ 		$\color{green}26/26$
$\color{green}+100.00\%$ 		$\color{green}4/4$
$\color{green}+100.00\%$ 		$\color{green}472/472$
$\color{green}+100.00\%$

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

@rreusser
temp: test an empty commit
2dc43d8 
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@rreusser
fix: remove ad-hoc early return
e5bbfb7 
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fix: fix incorrect zdscal descriptions
25e95e0 
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rreusser commented Jan 14, 2025 •
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Pending #4755 which prevents the linter from passing on CI, I believe this PR is ready for review.

@rreusser rreusser marked this pull request as ready for review January 14, 2025 20:10
@stdlib-bot stdlib-bot added the Needs Review A pull request which needs code review. label Jan 14, 2025
@kgryte kgryte added Feature Issue or pull request for adding a new feature. Fortran Issue involves or relates to Fortran. C Issue involves or relates to C. labels Jan 15, 2025
@kgryte kgryte changed the title feat: add blas/base/zdscal feat: add blas/base/zdscal Jan 15, 2025
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