Re: [Dev-C++] help files and Operator Precedence

[Per W. <pw...@ia...>]

Knowing thee precendence rules are part of basic programming skills.

Anyway, there are _no_ precedence difference between auto and global
variables when evaluating an expression.

There is, of course, a difference in the time when the
constructors/destructors will be run for variables declared global, auto
or dyanmically allocated.

/Wer W

On Sun, 12 Dec 2004, Eric wrote:

> Hi I belong to a micro-controller group,
>
>
> someone in the group presented a formula (which might not be the problem to their question)
> x = ((((mm-1)*31)+dd)-1)%8;
> y = ((((mm-1)*31)+dd)-1)/8;
>
>
> I told them it could be written as
> x = ((mm-1)*31+dd-1)%8;
> y = ((mm-1)*31+dd-1)/8;
>
>
> if they look on the "Operator Precedence chart"
>
> it took me a while to remember I had printed off the Operator Precedence chart from the Borland help
> files, for my own C++ notes (while I was at C++, school)
>
> While you can find the Operator Precedence chart on Internet with the help of Google, a couple of web
> sites I have seen does not tell that most Operator Precedence level (16 in all) go from left to right,
> but there are three that go from right to left, level 2, 13  and 15.
>
>
> Hand written on the bottom of the page is a reminder local variables take precedence over global
> variables (I was at school at the time when I wrote the notes, OK)
>
>
>
> The Aim of this posting is a suggestion this could included in the (dev-C++) help files on future
> upgrades unless I am using a old version you can correct me and I would be grateful.
>
>
> >From Eric Richards
>
>
>
>
>
>
>
>
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