hongbo/bigarray equal address #926

[bobzhang]

• try to make sharing
• add BigInt::equal_int BigInt::equal_int64
• add tests
• info

[coderabbitai]

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[coveralls]

Pull Request Test Coverage Report for Build 2976

Details

• 13 of 21 (61.9%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.1%) to 83.604%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
builtin/bigint.mbt	13	21	61.9%

Totals
Change from base Build 2974:	-0.1%
Covered Lines:	3906
Relevant Lines:	4672

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💛 - Coveralls

[peter-jerry-ye]

This is incorrect after #935

[peter-jerry-ye-code-review]

1. Potential Redundancy in zero and one Definitions:

   • The original definitions for zero and one were simple and clear:

     let zero : BigInt = 0N
     let one : BigInt = 1N

   • The new definitions are more complex and might be redundant if the language already supports 0N and 1N for BigInt. They could potentially be simplified back to:

     let zero : BigInt = 0N
     let one : BigInt = 1N

   • This would maintain clarity and reduce the risk of errors in the manually defined structures.

2. Typo in Test Case:

   • In the test case for equal_int64, there is a potential typo in the inspect statement:

     inspect!(BigInt::from_int64(0xffff_ffff_ffff_ffff), content="-1")

   • The content "-1" does not match the expected output for the given BigInt value. This could lead to confusion or incorrect test results.

3. Potential Overflow in Test Case for equal_int:

   • The comment mentions an overflow in the test case:

     // overflow
     assert_eq!(BigInt::from_int64(0xffff_ffff).equal_int(0xffff_ffff), false)

   • However, the comment does not explain why this overflow occurs or how it is being handled. It would be beneficial to add a more detailed explanation or refactor the test case to handle overflow conditions more gracefully.