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feat!: migrate fft/base/fftpack/* packages to fft/base/fftpack/generic/* - #14372

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feat!: migrate fft/base/fftpack/* packages to fft/base/fftpack/generic/*#14372
gunjjoshi wants to merge 32 commits into
stdlib-js:developfrom
gunjjoshi:fftpack-migration

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@gunjjoshi gunjjoshi commented Aug 18, 2026

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Resolves stdlib-js/metr-issue-tracker#1165.

Description

What is the purpose of this pull request?

This pull request:

  • migrates all the packages in fft/base/fftpack/* to fft/base/fftpack/generic/*.
  • also includes the migration of fft/base/fftpack/ndarray/rffti to fft/base/fftpack/ndarray/generic/rffti.
  • includes the migration of all the packages in this same PR, as discussed offline.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

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.

AI Assistance

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

  • Yes
  • No

If you answered "yes" above, how did you use AI assistance?

  • Code generation (e.g., when writing an implementation or fixing a bug)
  • Test/benchmark generation
  • Documentation (including examples)
  • Research and understanding

Disclosure

If you answered "yes" to using AI assistance, please provide a short disclosure indicating how you used AI assistance. This helps reviewers determine how much scrutiny to apply when reviewing your contribution. Example disclosures: "This PR was written primarily by Claude Code." or "I consulted ChatGPT to understand the codebase, but the proposed changes were fully authored manually by myself.".

Used Claude Code to author a script to handle package migrations, and to review the commits.

@stdlib-js/reviewers

gunjjoshi added 30 commits August 18, 2026 12:30
@gunjjoshi
feat: add fft/base/fftpack/generic/decompose
20efaed 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove decompose from namespace
45d5ac3 
This commit removes the `decompose` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `decompose`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
refactor: update paths
4726812 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove fft/base/fftpack/decompose
05e0c4a 
This commit removes `@stdlib/fft/base/fftpack/decompose` in favor of `@stdlib/fft/base/fftpack/generic/decompose`.

BREAKING CHANGE: remove `fft/base/fftpack/decompose`

To migrate, users should update their require/import paths to use `@stdlib/fft/base/fftpack/generic/decompose` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
feat: add fft/base/fftpack/generic/cffti
541fbc4 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove cffti from namespace
0e812db 
This commit removes the `cffti` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `cffti`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
refactor: update paths
70147c5 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove fft/base/fftpack/cffti
bde9665 
This commit removes `@stdlib/fft/base/fftpack/cffti` in favor of
`@stdlib/fft/base/fftpack/generic/cffti`.

BREAKING CHANGE: remove `fft/base/fftpack/cffti`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/cffti` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
feat: add fft/base/fftpack/generic/rffti
107bde7 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove rffti from namespace
ced0884 
This commit removes the `rffti` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `rffti`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
refactor: update paths
db929ed 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove fft/base/fftpack/rffti
2edeede 
This commit removes `@stdlib/fft/base/fftpack/rffti` in favor of
`@stdlib/fft/base/fftpack/generic/rffti`.

BREAKING CHANGE: remove `fft/base/fftpack/rffti`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/rffti` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
feat: add fft/base/fftpack/generic/cosqi
0d08abc 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove cosqi from namespace
2aaa515 
This commit removes the `cosqi` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `cosqi`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
refactor: update paths
92b3888 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove fft/base/fftpack/cosqi
a3ecdd6 
This commit removes `@stdlib/fft/base/fftpack/cosqi` in favor of
`@stdlib/fft/base/fftpack/generic/cosqi`.

BREAKING CHANGE: remove `fft/base/fftpack/cosqi`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/cosqi` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

---
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---
@gunjjoshi
feat: add fft/base/fftpack/generic/costi
3d9113b 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove costi from namespace
a583a8d 
This commit removes the `costi` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `costi`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

---
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---
@gunjjoshi
refactor: update paths
d8ca805 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove fft/base/fftpack/costi
0fff2ed 
This commit removes `@stdlib/fft/base/fftpack/costi` in favor of
`@stdlib/fft/base/fftpack/generic/costi`.

BREAKING CHANGE: remove `fft/base/fftpack/costi`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/costi` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

---
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---
@gunjjoshi
feat: add fft/base/fftpack/generic/sinti
8f5d6d9 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove sinti from namespace
79edcf6 
This commit removes the `sinti` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `sinti`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

---
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---
@gunjjoshi
refactor: update paths
f1a9776 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove fft/base/fftpack/sinti
9b23a57 
This commit removes `@stdlib/fft/base/fftpack/sinti` in favor of
`@stdlib/fft/base/fftpack/generic/sinti`.

BREAKING CHANGE: remove `fft/base/fftpack/sinti`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/sinti` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

---
type: pre_commit_static_analysis_report
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report:
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---
@gunjjoshi
feat: add fft/base/fftpack/generic/sinqi
aa8d88e 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove sinqi from namespace
775feb8 
This commit removes the `sinqi` symbol from the
`@stdlib/fft/base/fftpack` namespace due to a package migration.

BREAKING CHANGE: remove `sinqi`

To migrate, users should access the same symbol via the
`@stdlib/fft/base/fftpack/generic` namespace.

Ref: stdlib-js/metr-issue-tracker#1165

---
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description: Results of running static analysis checks when committing changes.
report:
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    status: passed
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---
@gunjjoshi
refactor: update paths
f1b72f1 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove fft/base/fftpack/sinqi
6e47575 
This commit removes `@stdlib/fft/base/fftpack/sinqi` in favor of
`@stdlib/fft/base/fftpack/generic/sinqi`.

BREAKING CHANGE: remove `fft/base/fftpack/sinqi`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/sinqi` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

---
type: pre_commit_static_analysis_report
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report:
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---
@gunjjoshi
feat: add fft/base/fftpack/generic/rfftf
7a181d8 
Ref: stdlib-js/metr-issue-tracker#1165

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---
@gunjjoshi
remove: remove fft/base/fftpack/rfftf
1a329ab 
This commit removes `@stdlib/fft/base/fftpack/rfftf` in favor of
`@stdlib/fft/base/fftpack/generic/rfftf`.

BREAKING CHANGE: remove `fft/base/fftpack/rfftf`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/generic/rfftf` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

---
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---
@gunjjoshi
feat: add fft/base/fftpack/ndarray/generic/rffti
418cf94 
Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
remove: remove fft/base/fftpack/ndarray/rffti
52e6ea0 
This commit removes `@stdlib/fft/base/fftpack/ndarray/rffti` in favor of
`@stdlib/fft/base/fftpack/ndarray/generic/rffti`.

BREAKING CHANGE: remove `fft/base/fftpack/ndarray/rffti`

To migrate, users should update their require/import paths to use
`@stdlib/fft/base/fftpack/ndarray/generic/rffti` which provides the same API and implementation.

Ref: stdlib-js/metr-issue-tracker#1165

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@gunjjoshi
gunjjoshi requested a review from a team August 18, 2026 08:35
@gunjjoshi gunjjoshi added the METR Pull request associated with the METR project. label Aug 18, 2026
@stdlib-bot stdlib-bot added the Needs Review A pull request which needs code review. label Aug 18, 2026
@gunjjoshi

gunjjoshi commented Aug 18, 2026

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This PR migrates a total of 9 packages. All the packages have 4 commits each (as described in the migration guide), except 2 packages (fft/base/fftpack/rfftf and fft/base/fftpack/ndarray/rffti), since those 2 were merged recently and were not added to the namespace, and did not have and other packages as their dependents. Thus, a total of 74 + 22 = 32 commits.

@gunjjoshi

gunjjoshi commented Aug 18, 2026

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The CI errors seem to be coming from the namespace tests in fft/base/fftpack. Should I clear them up, along with all other remaining directories in the namespace, as another commit in this PR?

@gunjjoshi gunjjoshi mentioned this pull request Aug 18, 2026
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[RFC]: migrate fft/base/fftpack/* packages to fft/base/fftpack/generic/*

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