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RE: [EnergyPlus_Support] Re: EMS Expressions: square root ^ 0.5

So use an IF to check for a negative number before doing a square root…


Ned Lyon, P.E. (MA)
Staff Consultant

781.907.9000 main
781.907.9350 direct 
781.907.9009 fax


From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of tobiasschulzeoooitu
Sent: Tuesday, March 15, 2011 2:46 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: EMS Expressions: square root ^ 0.5



Sorry, my fault - it was a SQRT of a negative number like
that crashed the program without producing an error file

Tank you anyway for your promt reply

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Linda Lawrie <linda@...> wrote:
> please submit your input file to the helpdesk.
> At 12:17 PM 3/15/2011, tobiasschulzeoooitu wrote:
> >Hi,
> >
> >I am actually programming an EMS control for my model. It seems it
> >is not possible to program:
> >SET e = c ^ 0.5 (which is an example from EMS guide page 6)
> >
> >E+ crashes without a finn


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