function for greatest object in list less than or equal to a value

[Randy Hengst]

I realize this isn’t written as a function, but what about doing the sort first?

on getMaxLessThan tList,maxVal
   sort items of tList descending
   repeat for each item theDigitToCheck in tList
      if theDigitToCheck < maxVal then
         answer "found it" && theDigitToCheck
         exit repeat
      end if
   end repeat
end getMaxLessThan

be well,
randy

Randy Hengst
www.classroomFocusedSoftware.com


> On Oct 12, 2015, at 10:26 AM, J. Landman Gay <jacque at hyperactivesw.com> wrote:
> 
> Oops, I missed that. You're right. 
> 
> On October 12, 2015 8:35:04 AM CDT, dunbarx at aol.com wrote:
>> Jacque,
>> 
>> 
>> My gadget adds the index in a parameter to the function. if it already
>> exists in the list, the addition is superfluous, but harmless.
>> 
>> 
>> Craig
>> 
>> 
>> 
>> -----Original Message-----
>> From: J. Landman Gay <jacque at hyperactivesw.com>
>> To: How to use LiveCode <use-livecode at lists.runrev.com>
>> Sent: Mon, Oct 12, 2015 12:07 am
>> Subject: Re: function for greatest object in list less than or equal to
>> a value
>> 
>> 
>> On 10/11/2015 9:26 PM, dunbarx at aol.com wrote:
>>> function findItemLessThanIndex
>> tData,tIndex
>>>    put comma & tIndex after tData
>>>    sort items of tData
>> numeric
>>>    return  item itemOffset("5",tData) -1 of tData
>>> end
>> findItemLessThanIndex
>> 
>> I thought of that too, but it fails if tIndex isn't in
>> the list. The 
>> example list was: "1,3,4,7,9" and the target limit was 5.
>> 
>> I
>> couldn't see a way that avoids looping through all the values.
>> 
>> --
>> 
>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
>> HyperActive
>> Software           |    
>> http://www.hyperactivesw.com
>> 
>> _______________________________________________
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> 
> -- 
> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
> HyperActive Software           |     http://www.hyperactivesw.com
> 
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