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Programming Question of the Week?

Scheduled Pinned Locked Moved The Lounge
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  • M Offline
    M Offline
    megaadam
    wrote on last edited by
    #1

    What is the radius of a circular buffer?

    ... such stuff as dreams are made on

    OriginalGriffO D L theoldfoolT P 7 Replies Last reply
    0
    • M megaadam

      What is the radius of a circular buffer?

      ... such stuff as dreams are made on

      OriginalGriffO Offline
      OriginalGriffO Offline
      OriginalGriff
      wrote on last edited by
      #2

      Always too small...

      Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

      "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
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      • M megaadam

        What is the radius of a circular buffer?

        ... such stuff as dreams are made on

        D Offline
        D Offline
        Daniel Pfeffer
        wrote on last edited by
        #3

        radius = circumference / (2*Pi), of course!

        If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

        M G 2 Replies Last reply
        0
        • D Daniel Pfeffer

          radius = circumference / (2*Pi), of course!

          If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

          M Offline
          M Offline
          megaadam
          wrote on last edited by
          #4

          What is the circumference of a circular buffer?

          ... such stuff as dreams are made on

          D 1 Reply Last reply
          0
          • M megaadam

            What is the radius of a circular buffer?

            ... such stuff as dreams are made on

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #5

            In Bits I think it is something like this: r= BufferLength * BitPerEntry / 2 / π

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            • M megaadam

              What is the circumference of a circular buffer?

              ... such stuff as dreams are made on

              D Offline
              D Offline
              Daniel Pfeffer
              wrote on last edited by
              #6

              circumference = 2*Pi*radius Infinite Loop: see Infinite Loop :)

              If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

              B 1 Reply Last reply
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              • M megaadam

                What is the radius of a circular buffer?

                ... such stuff as dreams are made on

                theoldfoolT Offline
                theoldfoolT Offline
                theoldfool
                wrote on last edited by
                #7

                circumference/Pie*R*Round -r (recursive)

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                • M megaadam

                  What is the radius of a circular buffer?

                  ... such stuff as dreams are made on

                  P Offline
                  P Offline
                  Power Puff Boy
                  wrote on last edited by
                  #8

                  The same as the radius of a circular argument.

                  I'm gonna build a wall around my cubical and make Mexico pay for it!

                  M 1 Reply Last reply
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                  • M megaadam

                    What is the radius of a circular buffer?

                    ... such stuff as dreams are made on

                    M Offline
                    M Offline
                    Marc Clifton
                    wrote on last edited by
                    #9

                    Infinite. ;) Marc

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                    • P Power Puff Boy

                      The same as the radius of a circular argument.

                      I'm gonna build a wall around my cubical and make Mexico pay for it!

                      M Offline
                      M Offline
                      megaadam
                      wrote on last edited by
                      #10

                      :thumbsup:

                      ... such stuff as dreams are made on

                      1 Reply Last reply
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                      • M megaadam

                        What is the radius of a circular buffer?

                        ... such stuff as dreams are made on

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #11

                        megaadam wrote:

                        What is the radius of a circular buffer?

                        Warning: Be careful doing live experiments to calculate the answer, to many tests running at the same time greatly increases risk of a buffer low stampede.

                        Sin tack the any key okay

                        1 Reply Last reply
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                        • D Daniel Pfeffer

                          circumference = 2*Pi*radius Infinite Loop: see Infinite Loop :)

                          If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

                          B Offline
                          B Offline
                          Brady Kelly
                          wrote on last edited by
                          #12

                          This is how buffer overruns occur. If the radius is too little, the circumference won't have enough room for all the buffer elements.

                          Immanentize the Eschaton!

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                          • D Daniel Pfeffer

                            radius = circumference / (2*Pi), of course!

                            If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

                            G Offline
                            G Offline
                            Gary Wheeler
                            wrote on last edited by
                            #13

                            r = c / (2 * π)

                            Software Zen: delete this;

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