ok if we have the scenario like u stated then it will be done in gcc as :-
x=3;
c=5*5*(++x)*(++x);
c=25*6*(++x);
c=150*7;
c=1050;
On Fri, Aug 12, 2011 at 1:10 AM, aditi garg <aditi.garg.6...@gmail.com>wrote:
> @sagar: bt i dint understand how is it done
> what if we had something like (++x)*(++x)*(++x)*(++x) thn how wud it be
> evaluated in gcc?
> and since it is giving diff ans on diff compilers that is wat i mean by
> being undefined...
>
>
> On Fri, Aug 12, 2011 at 1:05 AM, Puneet Chawla
> <puneetchawla...@gmail.com>wrote:
>
>> @Aditi i thnk sagar parteek is right ...in turbo compiler it's
>> incrementing and finally max of all values and multiply the value means pre
>> increment->evaluate->postincrement
>>
>>
>> On Fri, Aug 12, 2011 at 1:02 AM, sagar pareek <sagarpar...@gmail.com>wrote:
>>
>>> well its always depends on compiler to compiler
>>> in turbo c it will first increment all x
>>> results in
>>> c=6*6*6
>>> c=216
>>>
>>> but in gcc it will be as explained by me above
>>>
>>>
>>> On Fri, Aug 12, 2011 at 12:56 AM, aditi garg
>>> <aditi.garg.6...@gmail.com>wrote:
>>>
>>>> i think it wud be undefined...the value is getting modified more than
>>>> once and hence violating the sequence points rule...plz corect me if im
>>>> wrong...
>>>>
>>>>
>>>> On Fri, Aug 12, 2011 at 12:48 AM, Puneet Chawla <
>>>> puneetchawla...@gmail.com> wrote:
>>>>
>>>>> In turbo compiler it's o/p is 216 and in dev it's 150..
>>>>> Help me out..
>>>>>
>>>>>
>>>>> On Fri, Aug 12, 2011 at 12:45 AM, sagar pareek
>>>>> <sagarpar...@gmail.com>wrote:
>>>>>
>>>>>> after expansion of macro
>>>>>> it will be c=(++x)*(++x)*(++x);
>>>>>>
>>>>>> now it be solved as
>>>>>> c= 5*5*(++x);
>>>>>> c=25*6;
>>>>>> c=150
>>>>>>
>>>>>>
>>>>>> On Fri, Aug 12, 2011 at 12:38 AM, Puneet Chawla <
>>>>>> puneetchawla...@gmail.com> wrote:
>>>>>>
>>>>>>> #define cube(x) (x)*(x)*(x)
>>>>>>> main()
>>>>>>> {
>>>>>>> int x=3,c;
>>>>>>> c=cube(++x);
>>>>>>> printf("%d",c);
>>>>>>>
>>>>>>> return 0;
>>>>>>> }
>>>>>>>
>>>>>>> will anyone please tell me why o/p is 150.?
>>>>>>>
>>>>>>> --
>>>>>>> With regards
>>>>>>> ............
>>>>>>> Puneet Chawla
>>>>>>>
>>>>>>> --
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>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> **Regards
>>>>>> SAGAR PAREEK
>>>>>> COMPUTER SCIENCE AND ENGINEERING
>>>>>> NIT ALLAHABAD
>>>>>>
>>>>>> --
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> With regards
>>>>> ............
>>>>> Puneet Chawla
>>>>> Computer Engineering Student
>>>>> NIT Kurukshetra
>>>>>
>>>>> --
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "Algorithm Geeks" group.
>>>>> To post to this group, send email to algogeeks@googlegroups.com.
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Aditi Garg
>>>> Undergraduate Student
>>>> Electronics & Communication Divison
>>>> NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
>>>> Sector 3, Dwarka
>>>> New Delhi
>>>>
>>>>
>>>> --
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>>>>
>>>
>>>
>>>
>>> --
>>> **Regards
>>> SAGAR PAREEK
>>> COMPUTER SCIENCE AND ENGINEERING
>>> NIT ALLAHABAD
>>>
>>> --
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>>>
>>
>>
>>
>> --
>> With regards
>> ............
>> Puneet Chawla
>> Computer Engineering Student
>> NIT Kurukshetra
>>
>> --
>> You received this message because you are subscribed to the Google Groups
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>>
>
>
>
> --
> Aditi Garg
> Undergraduate Student
> Electronics & Communication Divison
> NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
> Sector 3, Dwarka
> New Delhi
>
>
> --
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>
--
**Regards
SAGAR PAREEK
COMPUTER SCIENCE AND ENGINEERING
NIT ALLAHABAD
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