Natural Loop Varible

**Queatrix** · 04-02-2007

When I write a loop, I always naturaly use the varible n.a. I know it seems wierd but quite a while ago, I wrote

Code:

struct LOOP { int a, c, d, e, f, g; }; LOOP n;

in my program for loops becuase I already had a being used as a string, and now it's stuck with me, and I have and use it in practicly ALL my programs. Whats your natural loop varible?

**laserlight** · 04-02-2007

Not to be egotistical or anything, but it is i.

**indigo0086** · 04-02-2007

i. if it's nested, j k l etc.

If it's an iterator I use some name to indicate it's an iterator to a type of data structure

**vart** · 04-02-2007

index, callNum, session, etc depending on object type I'm iterating

**Happy_Reaper** · 04-02-2007

i, j, k, l for loops. iter, iter2, iter3 for iterators.

**dwks** · 04-02-2007

x, y, z and then sometimes a, b etc or rarely i and j. (Usually I don't have that many loops though.)

I must say that Queatrix's loop variables are probably unique.

There was a thread much like this a while ago . . . maybe it got lost in the board restore.

**twomers** · 04-02-2007

i normally. However, depending on the order of nesting it will start with k or j. Then it goes into ii, ij, ik, ji, jj, jk ... I think ye get the idea.

I made that up. Sorry.

i, j, k .... I use single letter variables for my iterator thingys, or a c for a colouring class, m for a menu class, and a d for a default class. To be honest if I have to use i, j, k, l (here I would run into problems), and one more I should probably have to rethink the code I'm writing.

**h_howee** · 04-02-2007

i used to use count, count2, count3, etc..
but that took too long to type
i changed to i and j, i never nested more than 2 for loops since that change

**MacGyver** · 04-02-2007

i, j, k. Very rarely will I do other index variables for loops, at least not for for loops.

**Daved** · 04-02-2007

I would use i, j, k if there was no context or for examples, but that rarely happens. I find myself using index a lot since most of my integer for loops involve indexes in an array-style container. I also use current_[object name] for iterators. Anything else I try to give explicit variable names as well, just like any other variable.

**VirtualAce** · 04-02-2007

i for single for loops.

j,k,l for nested for loops.

index, offset for non-for loops.

**cboard_member** · 04-03-2007

Always i for single, j,k,l for nested (I've never gotten to m, thankfully).

**swgh** · 04-03-2007

There was a thread much like this a while ago . . . maybe it got lost in the board restore.

That was my thread. It was a little while back. I asked if i j and k variable names were taken from the Fortran language. I think Prelude said I was correct, but all variables have been this way. Hmm, I remember using short variable names when I used to code in BASIC for the Acorn systems back in the early 90's. I miss this:

Code:

LET A = 200

ahh, memories... :P

**hk_mp5kpdw** · 04-03-2007

Usually i, j, k... although many times I'll use loop, loop1, loop2, etc..

**QuestionC** · 04-03-2007

Using i, j, k as index variables is older than programming. Those are the standard indexing variables for math proofs as well.

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