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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.9
    • Fix Version/s: 1.9
    • Component/s: Gradebook
    • Labels:
      None
    • Affected Branches:
      MOODLE_19_STABLE
    • Fixed Branches:
      MOODLE_19_STABLE

      Description

      We need a function to detect circular references whenever a calculation has been edited:

      detect_circular_reference(array) => boolean

      The array is a whole lot of calculation strings containing verified idnumber strings for all the calcualtions in a course, eg:

      C= A + B
      A = B + C
      B = C + A

      See Double Loop on this page for an algorithm: http://phrogz.net/nodes/traversingdirectedgraph.asp

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              Dates

              • Created:
                Updated:
                Resolved:
                Fix Release Date:
                3/Mar/08