[bug #68458] Improve GCD code for style and performance

"Dmitri A. Sergatskov" <[email protected]> Thu, 18 Jun 2026 10:48:55 -0400 (EDT)

Newsgroups	gmane.comp.gnu.octave.bugs
Message-ID	<[email protected]>

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URL:
  <https://savannah.gnu.org/bugs/?68458>

                 Summary: Improve GCD code for style and performance
                   Group: GNU Octave
               Submitter: dasergatskov
               Submitted: Thu 18 Jun 2026 02:48:51 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Performance
                  Status: None
             Assigned to: None
         Originator Name:
        Originator Email:
             Open/Closed: Open
         Discussion Lock: Unlocked
                 Release: dev
        Operating System: Any
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


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Date: Thu 18 Jun 2026 02:48:51 PM UTC By: Dmitri A. Sergatskov <dasergatskov>
There are some improvements possible for `gcd.cc` code: C++17 has
`std::gcd()`; we can use integer GCD for doubles that fit into uint64; complex
code could be simplified.

I will have a CSET shortly.

Dmitri.
-- 








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