[daip] Re: TVFLG in 31DEC03?

[Eric Greisen]

Lisa Young writes:
 > Hi Eric
 > 
 > I just installed 31dec03 aips yesterday and I have 
 > run into a thing that I don't understand in tvflg.
 > It gets down to the line where I see this message
 > 
 > prairi> TVFLG1: Task TVFLG  (release of 31DEC03) begins
 > prairi> TVFLG1: Begin finding a list of times to enter the grid
 > prairi> TVFLG1: Found   100 time intervals to grid, so
 > prairi> TVFLG1: begin gridding the data to a temporary TVFLGR file
 > prairi> TVFLG1: Create 20030124    .TVFLGR.   1 (MA)  on disk  2  cno 
 > 100
 > 
 > and then it just hangs.  it's eating up 99.9% of my CPU
 > and nothing happens; I have to Ctrl-C out of it.
 > 
 > Fortunately I still have 31DEC02 around, because 31dec02 works
 > fine for the exact same inputs.*
 > 
 > I compiled from source on a linux machine.
 > 
 > ... Just curious to see if you know what's going on here; obviously
 > I have an acceptable workaround, but it makes me wonder
 > if I've done something wrong in the install/compile.

You used a working compiler for 31DEC02 and resorted to the 2.96
compippiler provided by RedHat for 31DEC03.  This TVFLG "bug" is a
symptom of just that.  See the aips web page
   http://www.aoc.nrao.edu/aips
and the notes about the 2.95 compiler to see how to correct the
error.

Eric Greisen