Re: CALC expression

[Matthieu Bec <mbec@gemini.edu>]

Hi Emmanuel,

Agree and not only that: 0.00835 actually becomes an 
intelligible:parm.VAL/DESC

Regards
Matthieu





On 09/28/10 18:58, emmanuel_mayssat@lynceantech.com wrote:
> No one suggested this but ... you can also put your constant as input!
> 0.00835 then becomes D, etc...  with just that change you saved 12 chars!
>    ;-)
> --
> E
>
> On 13:03 Tue 28 Sep     , Andrew Wagner wrote:
> > Hey everyone,
> >
> > I need to evaluate a somewhat complicated conditional statement in a calc record. Presently I need to evaluate:
> >
> >   field(CALC, "(235>B&&  5>D&&  5>E) ? (B*0.00835 - 0.7>  A + (C-B)*0.25 ? B*0.00835 - 0.7: A + (C-B)*0.25): 0")
> >
> > where the letters are input variables. When I load the record I get the error
> >
> > Can't set "VOLT:PID.CALC" to "(235>B&&  5>D&&  5>E) ? (B*0.00835 - 0.7>  A + (C-B)*0.25 ? B*0.00835 - 0.7: A + (C-B)*0.25): 0"
> > Error at or before ")" in file "MagnetCtrlApp/Db/MagnetCtrl.db" line 113
> >
> > Does CALC not support nested evaluations? Perhaps I need a subroutine record? Any advice would be greatly appreciated.
> >
> > Cheers,
> >
> > Andrew


--
Matthieu Bec              Gemini Observatory
Tel: +56 51 205785        c/o AURA, Casilla 603
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