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Merged
merged 4 commits into from
Mar 5, 2025
Merged

fix: update math/base/special/secd to match correct reference implementation #5810

merged 4 commits into from
Mar 5, 2025

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anandkaranubc
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Resolves none.

Description

What is the purpose of this pull request?

This pull request:

  • Fixes the implementation of math/base/special/secd to align with the correct reference implementation.
  • Adds improved test fixtures to enhance accuracy and ensure correctness.

Related Issues

Does this pull request have any related issues?

This pull request:

  • resolves none

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.

@stdlib-js/reviewers

@anandkaranubc
test: add improved test fixtures
35d5e90 
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@anandkaranubc
fix: update the function according to reference implementation
270a4d6 
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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 Mar 5, 2025
@anandkaranubc
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anandkaranubc commented Mar 5, 2025 •
edited
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Reference implementation

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stdlib-bot commented Mar 5, 2025 •
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Coverage Report

Package Statements Branches Functions Lines
math/base/special/secd $\color{green}186/186$
$\color{green}+100.00\%$ 		$\color{green}5/5$
$\color{green}+100.00\%$ 		$\color{green}2/2$
$\color{green}+100.00\%$ 		$\color{green}186/186$
$\color{green}+100.00\%$

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

anandkaranubc
anandkaranubc commented Mar 5, 2025
View reviewed changes
lib/node_modules/@stdlib/math/base/special/secd/test/fixtures/julia/runner.jl
Comment on lines +65 to +69
x = range( -360.0, stop = 0.0, length = 1000 );
gen( x, "negative.json" );

# Negative values:
x = range( -1.0, stop=-10.0, length=2003 );
gen( x, "negative.json" );
x = range( 0.0, stop = 360.0, length = 1000 );
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Testing over the period of secd

anandkaranubc
anandkaranubc commented Mar 5, 2025
View reviewed changes
lib/node_modules/@stdlib/math/base/special/secd/test/test.js
@@ -58,7 +58,7 @@ tape( 'the function computes the secant of an angle measured in degrees (negativ
t.equal( y, expected[ i ], 'x: '+x[i]+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = EPS * abs( expected[i] );
tol = 1.4 * EPS * abs( expected[i] );
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The tolerance had to be increased slightly from 1.0 to 1.4 for the JS and native tests.

@anandkaranubc
chore: replace +Infinity with Infinity
e571f69 
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test: add test case for infinity handling
a0ffce8 
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anandkaranubc
anandkaranubc commented Mar 5, 2025
View reviewed changes
lib/node_modules/@stdlib/math/base/special/secd/test/test.js
t.end();
});

tape( 'the function returns `+Infinity` if provided an odd multiple of `90`', function test( t ) {
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I also added this test since it was not being checked by the test fixtures.

Planeshifter
Planeshifter approved these changes Mar 5, 2025
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Looks great, many thanks!

@Planeshifter Planeshifter added the Ready To Merge A pull request which is ready to be merged. label Mar 5, 2025
@stdlib-bot stdlib-bot removed the Needs Review A pull request which needs code review. label Mar 5, 2025
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PR Commit Message

fix: update `math/base/special/secd` to match correct reference implementation

PR-URL: https://github.com/stdlib-js/stdlib/pull/5810

Co-authored-by: Karan Anand <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>

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

@Planeshifter Planeshifter merged commit f5459a7 into stdlib-js:develop Mar 5, 2025
28 checks passed
@anandkaranubc anandkaranubc deleted the fix/secd branch March 5, 2025 22:54
This was referenced Mar 16, 2025
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