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Complex Calculation Help! Rounding Numbers

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  • Complex Calculation Help! Rounding Numbers

    I am trying to figure out something. Spent sometime but could not locate appropriate functions to use.

    I have a numeric field with 2 decimal: example:

    grade1_price = 33.23
    grade1_multiplier = 2.2
    grade1_total = grade1_price * grade1_multiplier
    grade1_round = THIS IS WHERE I AM STUCK

    I would like to do following:
    1) If the grade1_round is less than or close to $#50.## decimal (say: $146.89, $2447.76, $632.12 I would like it to be $149.99, $2449.99 and $649.99)
    2) If the grade1_round is greater than 50 and less than $#100.## (say: $1256.60, $7689.00, $5463.87 I would like it to be $1299.99, $7699.99, and $5499.99)
    3) If the grade1_round has .00 as decimal then leave the decimal as #00 and round up close to $#49.00 (if it is less than $#50) and round up to $#99.00 if it is greater than $#50 and less than $#100.00
    EXAMPLE (Case 1: 345.00 should be 349.00 case 2: 1289.00 should be 1299.00)

    Thanks for the help.

  • #2
    Re: Complex Calculation Help! Rounding Numbers

    You'll have to write your own function to accomplish that.


    You'll need the str() function to change the numeric value to character.
    You'll need the at() function to find the position of the decimal.
    You'll want to evaluate the value of the two characters immediately before the decimal, probably using substr().
    Last edited by Stan Mathews; 08-13-2013, 10:50 PM.
    There can be only one.

    Comment


    • #3
      Re: Complex Calculation Help! Rounding Numbers

      Originally posted by markbwillard View Post
      I would like to do following:
      1) If the grade1_round is less than or close to $#50.## decimal (say: $146.89, $2447.76, $632.12 I would like it to be $149.99, $2449.99 and $649.99)
      I am not sure I understand the above line?
      You are saying, If the grade1_round is less than or close to $#50.## decimal
      but the examples you provided do not match the assumption:
      $146.89, $2447.76, $632.12
      In the first 2, the decimal is >.50 and in the third it is less.
      Can you clarify?
      To make things rather more confusing to me, the following line says:
      Originally posted by markbwillard View Post
      If the grade1_round is greater than 50 and less than $#100.## (say: $1256.60, $7689.00, $5463.87
      Once again, the examples provided do not match the premise. And what's with the dollar signs?
      Also, the verbosity "less than or close to" is rather non-technical.
      Did you mean less than or equal to?

      Comment


      • #4
        Re: Complex Calculation Help! Rounding Numbers

        OK..disregard the above..I re-read your question and get what you want..
        One last question, what is the smallest possible number?
        Is it a single digit? double digit? what?

        Comment


        • #5
          Re: Complex Calculation Help! Rounding Numbers

          Hi Gabriel:

          By mistake I posted this into the web dev forum. I got help from Gandhi.

          http://msgboard.alphasoftware.com/al...nd-100-Formula

          The code is:
          Code:
          FUNCTION getNumber AS C (n AS N )
          	
          	dim intN as n
          	dim intN2 as n
          	dim modN as n
          	dim modN2 as n
          	dim modN3 as n
          		
          	modN3 = mod((n*100),50)
          	if modN3 = 0 then
          		intN2 = int(n/50)
          		getNumber = ((intN2+1) * 50)- 1
          	else
          		intN = int(n/100)
          		modN = mod(n,100)
          		mod2 = if(modN > 50,99.99,49.99)
          		getNumber = intN*100 + mod2
          		end if
          	
          	getNumber = alltrim(str(getNumber,250,2))
          	
          END FUNCTION
          The only issue is if the field is null then it calculated 49.00 by default. I rather not have 49.00 by default. It may cause some reporting issue.

          Comment


          • #6
            Re: Complex Calculation Help! Rounding Numbers

            Here is a function:

            Code:
            FUNCTION New_Price AS N (Price AS N )
            x=round_up_x(price,100)
            	select
            	    case price=int(price)
            		if x-price>50
            		New_Price=x-51
            		else
            		New_Price=x-1
            		end if
            		
            		case x-price>50
            		New_Price=x-50.01
            		
            		case else
            		New_Price=x-.01
            	end select	
            END FUNCTION
            Last edited by G Gabriel; 08-13-2013, 11:53 PM.

            Comment


            • #7
              Re: Complex Calculation Help! Rounding Numbers

              Hi Gabriel:

              Seems very buggy!

              thanks for the help. IfI am passing
              3.45 should get 3.49 but I am getting 349.99
              345.78 should be 349.99
              678.98 should be 699.99

              Comment


              • #8
                Re: Complex Calculation Help! Rounding Numbers

                Code:
                price=146.23
                ?new_price(price)
                = 149.99
                price=178.89
                ?new_price(price)
                = 199.99
                price=2139
                ?new_price(price)
                = 2149
                price=561993
                ?new_price(price)
                = 561999

                Comment


                • #9
                  Re: Complex Calculation Help! Rounding Numbers

                  Buggy it was..It's way past my bed time..
                  I revised it.
                  Use the revised one. works fine, see examples.

                  Comment


                  • #10
                    Re: Complex Calculation Help! Rounding Numbers

                    Thanks for the help! It looks like both Ghandi's and your works! It's interesting to see the possibilities.

                    Comment


                    • #11
                      Re: Complex Calculation Help! Rounding Numbers

                      I didn't factor in numbers like 3.37
                      I will amend it sometime tomorrow. It's really way past bed time..
                      Later..

                      Comment

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