Azhar, Thanks for the answer. Its a great explanation.
Cheers, Mani On Mon, Feb 13, 2012 at 7:50 PM, Azhar Hussain <azhar...@gmail.com> wrote: > C, standard says which operand belongs to which operator. It does not says > which one gets evaluated first. > Why it is returning 8 is because of sequence point. It tells that, all the > side effects of a value are resolved before an operation is performed. > In your case ++i + ++i evaluates like this on gcc 4.2 > ++2 which is 3 > ++3 which is 4 > now sequence point is resolved both i + i is added to yield 8. > You should not use such expression > > More information can be found at > http://c-faq.com/expr/seqpoints.html > http://en.wikipedia.org/wiki/Sequence_point > > - > Azhar. > > > On Mon, Feb 13, 2012 at 7:38 PM, Ratan <success.rata...@gmail.com> wrote: > >> Actually i had evaluated x=(++i + ++i); separately with i=2; >> but i was amazed to get answer as 8... can u elaborate it >> >> On Mon, Feb 13, 2012 at 4:09 PM, Rahul <raikra...@gmail.com> wrote: >> > Here you go then : >> > ++ i becomes 3 >> > second bracket becomes 5 ( 3+2) >> > >> > >> > first bracket is 4 >> > >> > 4 * 5 = 20 >> > But you are adding ONE to i FOUR times >> > hence the answer you get is 4 plus the computation of previous line >> > >> > Hope I AM correct : >> > >> > >> > >> > >> > On Mon, Feb 13, 2012 at 3:56 PM, Ratan <success.rata...@gmail.com> >> wrote: >> >> >> >> can any1 explain the working of the above expression in any of the >> >> compiler..... I jzz want to knw how the computation takes place in gcc >> >> compiler.. >> >> >> >> On Sun, Feb 12, 2012 at 11:03 PM, Kartik Sachan < >> kartik.sac...@gmail.com> >> >> wrote: >> >> > its a compiler depentent... >> >> > >> >> > -- >> >> > 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. >> >> > To unsubscribe from this group, send email to >> >> > algogeeks+unsubscr...@googlegroups.com. >> >> > For more options, visit this group at >> >> > http://groups.google.com/group/algogeeks?hl=en. >> >> >> >> >> >> >> >> -- >> >> -- >> >> Ratan | 3rd Year | Information Technology | NIT ALLAHABAD >> >> >> >> -- >> >> 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. >> >> To unsubscribe from this group, send email to >> >> algogeeks+unsubscr...@googlegroups.com. >> >> For more options, visit this group at >> >> http://groups.google.com/group/algogeeks?hl=en. >> >> >> > >> > -- >> > 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. >> > To unsubscribe from this group, send email to >> > algogeeks+unsubscr...@googlegroups.com. >> > For more options, visit this group at >> > http://groups.google.com/group/algogeeks?hl=en. >> >> >> >> -- >> -- >> Ratan | 3rd Year | Information Technology | NIT ALLAHABAD >> >> -- >> 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. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> >> > -- > 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. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Thanks & Regards, Mani http://www.sanidapa.com - The music Search engine -- 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. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
