Fixing check_zero_fill_value

[prady0t]

What type of PR is this? (check all applicable)

• 💾 Refactor
• 🪄 Feature
• 🐞 Bug Fix
• 🔧 Optimization
• 📚 Documentation
• 🧪 Test
• 🛠️ Other

Related issues

• Closes Bug: mean -> matmul of size zero array fails #877

Checklist

• Code follows style guide
• Tests added
• Documented the changes

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Please explain your changes below.

Added a skip condition for size-zero arrays.

[codspeed-hq]

CodSpeed Performance Report

Merging #886 will degrade performances by 10.62%

_{Comparing prady0t:fix-check-zero-fill-value (13ed355) with main (a5d11a2)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 338 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	test_index_fancy[side=100-rank=1-format='coo']	1,300.9 µs	941.7 µs	+38.14%
❌	test_index_slice[side=100-rank=2-format='gcxs']	1.8 ms	2 ms	-10.62%

[hameerabbasi]

Thanks for the fix, @prady0t! A test would help here.

[prady0t]

Thanks for the review. I've added the tests.

[hameerabbasi]

I think the reproducer in the original issue can serve as a test, with a comment that it's a regression test for gh-*.

[prady0t]

I think the reproducer in the original issue can serve as a test, with a comment that it's a regression test for gh-*.

Makes sense.

[hameerabbasi]

Thanks @prady0t!