✨ feat(mq-lang): add percentile builtin function#1453
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Add `percentile(arr, p)` that calculates the p-th percentile of a numeric array using linear interpolation between closest ranks. Returns None for empty arrays and errors on invalid input.
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Pull request overview
Adds a new percentile(arr, p) helper to the mq-lang standard library (builtin.mq) and corresponding runtime tests (builtin_tests.mq) to support percentile calculations over arrays.
Changes:
- Introduces
percentile(arr, p)implemented incrates/mq-lang/builtin.mq(sorting + linear interpolation). - Adds a new
test_percentiletest suite and registers it in the test runner list.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.
| File | Description |
|---|---|
| crates/mq-lang/builtin.mq | Adds the percentile(arr, p) builtin implemented in mq. |
| crates/mq-lang/builtin_tests.mq | Adds percentile test cases and registers them in the test list. |
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Add
percentile(arr, p)that calculates the p-th percentile of a numeric array using linear interpolation between closest ranks. Returns None for empty arrays and errors on invalid input.