Re: [Dev-C++] #DEFINE versus cont variables in array inicializations

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

You are using mighty big integers :-)

A 32-byte unsigned integer would store numbers up to 1*10^77

/Per W

On Thu, 29 May 2003, Avik Ghose wrote:

> Hi Andre,
> you are right, there's probably no third way out. Now I prefer to use the=
 first one due to two reasons.
> 1> Being textual subsitution, the #define macro does not use up memory si=
ze whereas an integer uses up 32 bytes, though that is negligent for most p=
urposes.
> 2> The more important being that apart from compiler systems that support=
 C++ along with C, the interpretation of const by the compilers around is a=
 bit non-standard. Like in the Cygwin gcc complier assigment to const varia=
bles result only in a warning at compile time and program runs fine, and pr=
ints out 20!!!.
> #include <stdio.h>
> int main()
> {
>    const int i =3D 10;
>    i=3D20;
>    printf("%d\n",i);
>    return 0;
> }/*main*/
> So well although I cannot remember of a third way to do it right now, obv=
iously the first approach is better.
>
>
>
>
> Andr=E9_Mac=E1rio_Barros <and...@su...> wrote:
> Dear Users,
>
> For the sake of flexibility, I think we only have two ways to iniciatize
> a
> size of an array:
> 1) via #define:
> #define MAX 10
> ...
> int vect[MAX];
> ...
>
> 2) via cont variable:
> const int size=3D10;
> ...
> int vetc[size];
> ...
>
> So, in both ways, everytime if I need to change the size of the arrays, i=
t=B4s
> only necessary to change 10 to the other value.
>
> -->My questions:
> 1) Is there more ways to to this?
> 2) For theese two ways presented here, when use one and when use the othe=
r?
> Explaining a little more what I need to know: in a "good programming
> technique"
> point of view, what of theese two is the preferred of the programmers
> (please
> don=B4t answer "pointers" ...lol).
>
> Regards
> Andr=E9
>
>
>
>
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>
> Thanx and Regards
>    Avik Ghose
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