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fix: disable zero-padding for special values in string/base/format-interpolate #6957

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Merged
merged 2 commits into from
May 8, 2025
Merged

fix: disable zero-padding for special values in string/base/format-interpolate #6957

merged 2 commits into from
May 8, 2025

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@anandkaranubc
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Description

What is the purpose of this pull request?

This pull request:

  • Updates format-interpolate to disable zero-padding for special values

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This pull request:

  • resolves None

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@anandkaranubc
fix: disable zero-padding for special values in formatInterpolate
1616211 
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@stdlib-bot stdlib-bot added the Needs Review A pull request which needs code review. label May 8, 2025
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stdlib-bot commented May 8, 2025 •
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Coverage Report

Package Statements Branches Functions Lines
string/base/format-interpolate $\color{red}712/739$
$\color{green}+96.35\%$ 		$\color{red}123/139$
$\color{green}+88.49\%$ 		$\color{green}12/12$
$\color{green}+100.00\%$ 		$\color{red}712/739$
$\color{green}+96.35\%$

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

@anandkaranubc
test: add more tests
2898d3a 
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anandkaranubc
anandkaranubc commented May 8, 2025
View reviewed changes
lib/node_modules/@stdlib/string/base/format-interpolate/test/test.js
Comment on lines +628 to +651
str = '%.10f %.10f baz';
tokens = formatTokenize( str );
actual = formatInterpolate( tokens, PINF, NINF );
expected = 'infinity -infinity baz';
t.strictEqual( actual, expected, 'returns expected output' );

str = '%0.10f %0.10f baz';
tokens = formatTokenize( str );
actual = formatInterpolate( tokens, PINF, NINF );
expected = 'infinity -infinity baz';
t.strictEqual( actual, expected, 'returns expected output' );

str = '%.4f';
tokens = formatTokenize( str );
actual = formatInterpolate( tokens, NaN );
expected = 'nan';
t.strictEqual( actual, expected, 'returns expected output' );

str = '%0.4f';
tokens = formatTokenize( str );
actual = formatInterpolate( tokens, NaN );
expected = 'nan';
t.strictEqual( actual, expected, 'returns expected output' );

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I think these are probably the most relevant ones related to the fix. If the other tests below are not needed, I can remove them.

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The reason for choosing %0.10f for infinity and -infinity is that -infinity is 9 characters long, and using a precision of 10 can correctly check for no zero-padding. The same reasoning applies to NaN and 0.4f.

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That makes sense.

@anandkaranubc anandkaranubc requested a review from kgryte May 8, 2025 07:01
kgryte
kgryte approved these changes May 8, 2025
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LGTM. Thanks for the patch, @anandkaranubc!

@kgryte kgryte removed the Needs Review A pull request which needs code review. label May 8, 2025
@kgryte kgryte changed the title fix: disable zero-padding for special values in formatInterpolate fix: disable zero-padding for special values in string/base/format-interpolate May 8, 2025
@kgryte kgryte merged commit b3c2d12 into stdlib-js:develop May 8, 2025
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@anandkaranubc anandkaranubc deleted the format-interpolate branch May 8, 2025 08:14
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