on mouseUp
put "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16" into myVar
repeat 1000
add zero to any item of myVar
end repeat
put myVar
end mouseUp
> On Jun 5, 2016, at 2:06 PM, [email protected] wrote:
>
> 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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