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https://issues.apache.org/jira/browse/NUMBERS-198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17742934#comment-17742934
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Gilles Sadowski commented on NUMBERS-198:
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[~dimitrios.efthymiou],
How about taking it from the other end?
Rather than try and find a "small feature" (if it were in scope, how likely
that it had not been implemented yet?), you could
* start a discussion about a missing functionality (e.g. "special" functions)
* select some bugs to fix (plenty on JIRA)
* take on some identified need (e.g. refactor the "clustering" package)
> New function - reverse the digits of a number
> ---------------------------------------------
>
> Key: NUMBERS-198
> URL: https://issues.apache.org/jira/browse/NUMBERS-198
> Project: Commons Numbers
> Issue Type: New Feature
> Components: core
> Reporter: Dimitrios Efthymiou
> Priority: Minor
> Labels: features
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> I propose a new function for ArithmeticUtils that takes a number and it
> returns the number with the reversed digits. Some use cases are:
> # *Palindrome Checking:* The algorithm can be used as a part of a function
> to check if a number is a palindrome (a number that remains the same when its
> digits are reversed).
> # *Data Manipulation:* This algorithm could be used in a data manipulation
> or data cleaning process. For instance, in a situation where the digit order
> of numerical data has been systematically recorded incorrectly, this
> algorithm could be used to correct the data.
> # *User Interface (UI) Design:* In cases where the presentation of numbers
> needs to be manipulated for display purposes, this could be useful. For
> instance, if a UI design decision prefers displaying digits in a reverse
> order.
> # *Digital Signal Processing:* The bit-reversal operation is a crucial part
> of certain algorithms, such as the Fast Fourier Transform (FFT). Although the
> current method works with integers, a similar algorithm could be used for
> bit-reversal operations.
> # *Cryptographic or Security Methods:* This method might be used as part of
> a larger algorithm in cryptography or security. However, this by itself does
> not provide any significant security benefits.
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