Mail Archives: djgpp/2001/03/04/01:36:30
From: | "Alexei A. Frounze" <dummy_addressee AT hotmail DOT com>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: Code or Compiler?
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Date: | Sun, 4 Mar 2001 01:31:59 -0500
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Lines: | 57
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References: | <3AA195B1 DOT ED50BFD7 AT __mad DOT scientist DOT com-->
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Maybe I missed something in C/C++, but why do you address data elements like
data[i,j]? Shouldn't it be data[i][j]?
--
Alexei A. Frounze
alexfru [AT] chat [DOT] ru
http://alexfru.chat.ru
http://members.xoom.com/alexfru/
http://welcome.to/pmode/
"Anderson" <--anderson DOT comp__ AT __mad DOT scientist DOT com--> wrote in message
news:3AA195B1 DOT ED50BFD7 AT __mad DOT scientist DOT com--...
> Hi everybody!
>
> I was playing with arrays (for matrix calculation) when I've got this
> strange error. When I set the value it seems ok, but when I check it
> out... it's not there anymore!
> Here's the bugged code:
> ----------------------------------------
> int X=2;
> int Y=2;
> for (int i=0; i<X ; i++){
> for (int j=0; j<Y ; j++){
> if (i==j) data[i,j]=1; // defines a 2x2 identity matrix
> else data[i,j]=0;
> cout << data [i,j] <<", "; // SEEMS OK...
> }
> }
>
> cout << endl;
>
> // check it out
> for (int i=0; i<X ; i++){
> for (int j=0; j<Y ; j++){
> cout << data [i,j] <<", "; // WRONG!!! WHY ???
> }
> }
> -----------------------------------------
> Any clue?
> I'm using djgpp + rhide.
>
> Thanks a lot!
>
> Anderson.
> (to send me email, please remove underscores/dashes from my address. You
> know, spammers are very boring... :-)
>
> --
>
> =========================================
> "Any sufficiently advanced technology is
> indistinguishable from magic. "
> Arthur C. Clarke
>
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