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removed comments in code
Co-authored-by: Matthew Roeschke <[email protected]>
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pandas/core/_numba/kernels/min_max_.py

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@@ -34,32 +34,6 @@ def bisect_left(a: list[Any], x: Any, lo: int = 0, hi: int = -1) -> int:
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return lo
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# *** Notations ***
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# N: size of the values[] array.
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# NN: last accessed element (1-based) in the values[] array, that is max_<i>(end[<i>]).
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# In most cases NN==N (unless you are using a custom window indexer).
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# M: number of min/max "jobs", that is, size of start[] and end[] arrays.
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# In pandas' common usage, M==N==NN, but it does not have to!
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# k: maximum window size, that is max<i>(end[<i>] - start[<i>])
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#
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# *** Complexity ***
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# - O(max(NN,M)) for constant window sizes.
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# - O(max(NN,M)*log(k)) for arbitrary window sizes.
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#
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# *** Assumptions ***
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# The min/max "jobs" have to be ordered in the lexiographical (end[i], start[i]) order.
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# In the regular pandas' case with constant window size these array ARE properly
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# sorted by construction.
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# In other words, for each i = 0..N-2, this condition must hold:
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# - (end[i+1] > end[i]) OR
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# - (end[i+1] == end[i] AND start[i+1] >= start[i])
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#
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# To debug this with your favorite Python debugger:
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# - Comment out the "numba.jit" line right below this comment above the function def.
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# - Find and comment out a similar line in column_looper() defined in
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# generate_apply_looper() in executor.py.
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# - Place a breakpoint in this function. Your Python debugger will stop there!
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# - (Debugging was tested with VSCode on WSL.)
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@numba.jit(nopython=True, nogil=True, parallel=False)
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def sliding_min_max(
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values: np.ndarray,

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