Just for fun:
on mouseUp
put LF into newLine
put 0 into sRandomCount
put "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16" into myVar
repeat 100
add zero to any item of myVar
put myVar & newLine after myTempList
end repeat
put sum(myVar) & newLine & myTempList
end mouseUp
> On Jun 5, 2016, at 1:15 PM, [email protected] wrote:
>
> Here's a script (derived from Mark's) that illustrates the double call:
>
> local sRandomCount
>
> on mouseUp
> put LF into newLine
> put 0 into sRandomCount
> put "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0" into myVar
> repeat 100
> add 1 to item myrandom(16) of myVar
> put myVar & newLine after myTempList
> end repeat
> put sRandomCount & tab & sum(myVar) & newLine & myTempList
> end mouseUp
>
> function myRandom n
> add 1 to sRandomCount
> return random(n)
> end myRandom
>
>
>
>
>> On Jun 5, 2016, at 12:42 PM, Dar Scott <[email protected]> wrote:
>>
>> Very nice and clean example code.
>>
>> Also, as you hinted, this does have the problem:
>> add 1 to item random(16) of myVar
>>
>> I infer from this that the problem is very likely not in how 'any' counts
>> items.
>>
>> This also applies to subtract and multiply. I suspect that random(16) is
>> being evaluated twice based on a first glance at the pattern. Because of
>> that, my guess is that this bug will not cause a crash.
>>
>> The problem also occurs when I use my own random function.
>>
>> it looks as though this...
>> add 1 to any item of x
>> ... is being evaluated as...
>> put 1 + any item of x into any item of x
>> ... which is incorrect.
>>
>> Perhaps that is just the info needed for a quick fix.
>>
>> This also will show up for any function with side effects built-in or not,
>> so this is a far ranging bug and it should be pushed up in priority.
>>
>> Dar
>>
>>
>>> On Jun 5, 2016, at 8:48 AM, Mark Schonewille
>>> <[email protected]> wrote:
>>>
>>> Hi Quentin,
>>>
>>> I see the same results, when I try your code. However, if I first store the
>>> random value and add 1 to an item in the string in the next line in the
>>> script, it works correctly. Apparently, the random function and the add
>>> command are incompatible.
>>>
>>> on mouseUp
>>> put "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0" into myVar
>>> repeat 100
>>> put random(16) into myRandom
>>> add 1 to item myRandom of myVar
>>> put myVar & cr after myTempList
>>> end repeat
>>> put sum(myVar) & cr & myTempList
>>> end mouseUp
>>>
>>> Kind regards,
>>>
>>> Mark Schonewille
>>> http://economy-x-talk.com
>>> https://www.facebook.com/marksch
>>>
>>> Buy the most extensive book on the
>>> LiveCode language:
>>> http://livecodebeginner.economy-x-talk.com
>>>
>>> Op 05-Jun-16 om 16:12 schreef Quentin Long:
>>>> Code which exhibits the bug:
>>>>
>>>> on mouseUp
>>>> put "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0" into Fred
>>>> repeat 100 times
>>>> add 1 to any item of Fred
>>>> put Fred into line (1 + the number of lines in fld "testbed") of fld
>>>> "testbed"
>>>> end repeat
>>>> put sum (Fred) into line (1 + the number of lines in fld "testbed") of fld
>>>> "testbed"
>>>> end mouseUp
>>>>
>>>> This handler *should* end up generating a 16-item string of integers which
>>>> sum to exactly 100. What it *actually does* end up generating, is a
>>>> 16-item string of integers whose sum may or may not fall somewhere within
>>>> the range 80-120. Not sure what the hell is going on here, but I am not at
>>>> all happy about it. Perhaps other people might like to try this code on
>>>> their systems, and see if it works as intended for them?
>>>>
>>>> http://quality.livecode.com/show_bug.cgi?id=17795
>>>>
>>>
>>>
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>>
>>
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