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  4. How to check the result of division for an integer?

How to check the result of division for an integer?

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  • K Khoramdin

    Hello everyone, I have two numbers A and B. I need to divide B by A and if the result is an integer then register A and B. Can someone tell me how I can check to see if the result of division is an integer or not? Thank you very much and have a great day. Khoramdin

    M Offline
    M Offline
    Michael Sync
    wrote on last edited by
    #2

    What is the datatype of variables "A" and "B"? int A = 3; int B = 6; int result = B / A; Did you write like that? if yes, result is INT. :) obviously. or Show us the code that you wrote.

    Thanks and Regards, Michael Sync ( Blog: http://michaelsync.net) If you want to thank me for my help, please vote my message by clicking one of numbers beside "Rate this message". Why vote? Plz Read it here. Thank you. :)

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    • M Michael Sync

      What is the datatype of variables "A" and "B"? int A = 3; int B = 6; int result = B / A; Did you write like that? if yes, result is INT. :) obviously. or Show us the code that you wrote.

      Thanks and Regards, Michael Sync ( Blog: http://michaelsync.net) If you want to thank me for my help, please vote my message by clicking one of numbers beside "Rate this message". Why vote? Plz Read it here. Thank you. :)

      K Offline
      K Offline
      Khoramdin
      wrote on last edited by
      #3

      Hello Michael, Thanx for the reply, mate. I haven't written any code but what you have written is what I had in mind. The problem is how can I check to see if the result is NOT int. After all, I could have: int A = 4; int B = 6; double result = B / A; I simply wish to be able to knowwhen the result is integer and when it is not. Thank you very much and have a great day. Khoramdin

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      • K Khoramdin

        Hello Michael, Thanx for the reply, mate. I haven't written any code but what you have written is what I had in mind. The problem is how can I check to see if the result is NOT int. After all, I could have: int A = 4; int B = 6; double result = B / A; I simply wish to be able to knowwhen the result is integer and when it is not. Thank you very much and have a great day. Khoramdin

        R Offline
        R Offline
        Rocky
        wrote on last edited by
        #4

        The result will always be an int when the remainder is zero so check to see if B%A == 0

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        • R Rocky

          The result will always be an int when the remainder is zero so check to see if B%A == 0

          K Offline
          K Offline
          Khoramdin
          wrote on last edited by
          #5

          Hello Rocky, Thank you very much, mate. That was EXACTLY what I was looking for. Have a great day. Khoramdin

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          • K Khoramdin

            Hello Rocky, Thank you very much, mate. That was EXACTLY what I was looking for. Have a great day. Khoramdin

            R Offline
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            Rocky
            wrote on last edited by
            #6

            anytime mate ur welcome...I'm glad ur happy

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            • K Khoramdin

              Hello Michael, Thanx for the reply, mate. I haven't written any code but what you have written is what I had in mind. The problem is how can I check to see if the result is NOT int. After all, I could have: int A = 4; int B = 6; double result = B / A; I simply wish to be able to knowwhen the result is integer and when it is not. Thank you very much and have a great day. Khoramdin

              C Offline
              C Offline
              Christian Graus
              wrote on last edited by
              #7

              While the mod operator solved your problem, it's worth mentioning that B/A will always be an int, unless A is ( or is cast to ) a float or double.

              Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

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              • K Khoramdin

                Hello Michael, Thanx for the reply, mate. I haven't written any code but what you have written is what I had in mind. The problem is how can I check to see if the result is NOT int. After all, I could have: int A = 4; int B = 6; double result = B / A; I simply wish to be able to knowwhen the result is integer and when it is not. Thank you very much and have a great day. Khoramdin

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #8

                One trick you try is to see if there is a remainder using mod (%). Thanks.

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                • K Khoramdin

                  Hello everyone, I have two numbers A and B. I need to divide B by A and if the result is an integer then register A and B. Can someone tell me how I can check to see if the result of division is an integer or not? Thank you very much and have a great day. Khoramdin

                  V Offline
                  V Offline
                  V 0
                  wrote on last edited by
                  #9

                  If A = 15 and B = 3 ==> A%B = 0 If A = 17 and B = 4 ==> A%B != 0

                  V. I found a living worth working for, but haven't found work worth living for.

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                  • R Rocky

                    The result will always be an int when the remainder is zero so check to see if B%A == 0

                    C Offline
                    C Offline
                    Cfer83
                    wrote on last edited by
                    #10

                    I think you just gave him the answer to his homework assignment.

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                    • C Cfer83

                      I think you just gave him the answer to his homework assignment.

                      R Offline
                      R Offline
                      Rocky
                      wrote on last edited by
                      #11

                      so what is that a crime??

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