[daip] problem running BLCAL

[Eric Greisen]

Claire Chandler writes:
 > Hi Eric,
 > 
 > I'm trying to run BLCAL to compute closure corrections for the VLA-EVLA 
 > baselines.  When I specify the calibrator source name, with SMODEL 
 > defining the flux of the source, I get an error that it can't find the 
 > source flux (I did not bother to set it using SETJY).  So, I set it in 
 > SETJY and tried again, and this time BLCAL complained that it could not 
 > find the flux of my target source, even though this source was not 
 > specified in the inputs.  But why is BLCAL even trying to divide my target 
 > source by a flux?  It should not be using it at all.  We are telling 
 > people that they need to run BLCAL in order to deal with our current 
 > closure errors, so it would be good to get this sorted out.
 > 

Yes, the task never worked before.  It demanded fluxes for all sources
in the source table but then only used the ones it needed.  I moved
the 0 divide test to the inside of the loop.

Eric Greisen