"stevenvh" <nomail@nomail> wrote:
> I have written this macro to generate integers in [0..A[
>
>  #macro RandInt(A, RS)  floor(A * rand(RS) * 0.999999)  #end
>
> The factor 0.999999 is to ensure A itself is excluded; rand() returns a value in
> [0..1], so including 1.
>
> When I use #debug to see the macro's return value it's fine, but when I assign
> it to a variable, like
>
>  #declare somevar = RandInt(4, Rnd3);
>
> somevar will always be 0. Can anybody explain this, and how to solve it? I've
> written several similar macros which work fine.
>
> TIA
> Steven

I suspect that the problem comes from not reseeding Rand(...) Every time the
macro is called. I'M ve run into this problem myself.

These days, I always use Rand_Normal(...) From rand.inc

Regards,
A.D.B.

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