Simplified the Ceil.ceil(double) method for better clarity and correctness.
Replaced (int) casting with (long) to handle edge cases and large numbers more safely.
Updated method-level JavaDoc and added class-level documentation for better understanding and maintainability.

Test Refactor:

Migrated CeilTest to use JUnit 5 @ParameterizedTest with @CsvSource.
Enhanced test readability, scalability, and coverage.
Ensures better structure and allows easier future additions of test cases.

I have readCONTRIBUTING.md.
This pull request is all my own work -- I have not plagiarized it.
All filenames are in PascalCase.
All functions and variable names follow Java naming conventions.
All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
All new code is formatted withclang-format -i --style=file path/to/your/file.java

refactor: refactor Ceil and improved tests

f905314

alxkm requested review fromDenizAltunkapan,yanglbme andvil02 ascode owners

July 10, 2025 21:05

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codecov-commenter commentedJul 10, 2025•
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Codecov Report

Attention: Patch coverage is57.14286% with3 lines in your changes missing coverage. Please review.

Project coverage is 74.63%. Comparing base(ef93cc1) to head(cf176af).

Files with missing lines	Patch %	Lines
src/main/java/com/thealgorithms/maths/Ceil.java	57.14%	1 Missing and 2 partials⚠️

Additional details and impacted files

@@             Coverage Diff              @@##             master    #6366      +/-   ##============================================- Coverage     74.64%   74.63%   -0.02%- Complexity     5445     5450       +5============================================  Files           682      682                Lines         19000    19003       +3       Branches       3668     3669       +1     ============================================  Hits          14182    14182- Misses         4260     4261       +1- Partials        558      560       +2

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