Re: [Gm2] COMPLEX Syntax

[Gaius Mulley]

Michael Riedl <address@hidden> writes:

> Hallo all,
>
> does someone know if there is a regualr way to update only the real or
> imaginar part of a variable of type LONGCOMPLEX / COMPLEX.
>
> A way to achiev that would be (code segment):
>
>   VAR x : COMPLEX;
>
> BEGIN
>   x:= ... (and code giving x an initial value)
>   ...
>   x:=CMPLX("somenewvale",IM(x)); (* for updating the real part only *)
>   x:=CMPLX(RE(x),"somenewvalue")); (* for updating the imaginary part
> only *)
>
> But maybe there is another way to do so which I simply do
> not know. But in Fortran it's similar ;-)
>
>  Gruß / Regads
>
> Michael

Hi Michael,

I'm not aware of a different mechanism.  However on the up side the code
emitted by gm2 should be pretty efficient!  Wrapping these lines in a
function is an alternative - and -O3 will allow the compiler to inline

regards,
Gaius