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merged 20 commits into from
Jun 27, 2025

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Progresses #649

Description

What is the purpose of this pull request?

This pull request:

  • Adds the complete C implementation of gammainc, along with updated benchmarks and examples.

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@stdlib-bot stdlib-bot added Math Issue or pull request specific to math functionality. Needs Review A pull request which needs code review. labels Jun 19, 2025
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/stdlib update-copyright-years

@stdlib-bot stdlib-bot added the bot: In Progress Pull request is currently awaiting automation. label Jun 19, 2025
@stdlib-bot stdlib-bot removed the bot: In Progress Pull request is currently awaiting automation. label Jun 19, 2025
@anandkaranubc anandkaranubc added C Issue involves or relates to C. GSoC Google Summer of Code. gsoc: 2025 Google Summer of Code (2025). labels Jun 19, 2025
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stdlib-bot commented Jun 19, 2025

Coverage Report

Package Statements Branches Functions Lines
math/base/special/gammainc $\color{red}1526/1755$
$\color{green}+86.95\%$
$\color{red}106/140$
$\color{green}+75.71\%$
$\color{red}20/24$
$\color{green}+83.33\%$
$\color{red}1526/1755$
$\color{green}+86.95\%$

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

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@Planeshifter Planeshifter self-requested a review June 20, 2025 20:03
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Comment on lines +46 to +47
// TODO: Add this to `test.js` once the JS implementation matches the latest Boost C++ implementation.
var largeXLargeS = require( './fixtures/cpp/large_x_large_s.json' );
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The CI is failing because of this.

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The JS implementation needs to be updated first in order to properly account for all the expected values in this fixture.

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New test coverage is 89.34%

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Planeshifter
Planeshifter previously approved these changes Jun 27, 2025
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Looks all good to me (pending resolution of the CI failures for the native add-on tests, which I cannot reproduce locally).

…sations

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---
@@ -447,8 +447,8 @@ tape( 'the function correctly evaluates the unregularized lower incomplete gamma
t.strictEqual( isSameValue( actual, PINF ), true, 'returns expected value' );
continue;
}
// NOTE: The difference is high because some of the expected values are very large.
t.strictEqual( ulpdiff( actual, expected[ i ] ) <= 534, true, 'returns expected value within 534 ulp' );
// NOTE: The difference is high because some of the expected values are very large and the compiler optimizations have been disabled.
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Adding a note for future reference: this was done because the workflows build the native addons with the CFLAGS="-ffp-contract=off" flag. If this flag is not set, the tests pass with the ULP difference observed in the previous commit.

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Let's get it in. 🚀

Any potential further needed changes can be made in follow-up PR(s).

Thanks, @anandkaranubc! Been waiting for this one for a long time. 🙏

@Planeshifter Planeshifter added the Ready To Merge A pull request which is ready to be merged. label Jun 27, 2025
@stdlib-bot stdlib-bot removed the Needs Review A pull request which needs code review. label Jun 27, 2025
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PR Commit Message

feat: add C implementation for `math/base/special/gammainc`

PR-URL: https://github.com/stdlib-js/stdlib/pull/7408
Ref: https://github.com/stdlib-js/stdlib/issues/649

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

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

⚠️ Action Required: This PR references tracking issues. Please update the PR description to replace any "Closes", "Fixes", or "Resolves" keywords with "Ref" when referencing these issues.

@Planeshifter Planeshifter merged commit 84c97ba into stdlib-js:develop Jun 27, 2025
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