[daip] weights, dividing by models

[Eric Greisen]

Olaf Wucknitz writes:
 > Hi Eric,
 > 
 > I made some tests with UVSUB (OPCODE=DIV) to see what happens to the 
 > weights. When using the gridded-FFT method, I find that indeed the weights 
 > are scaled with amplitude**2.
 > However, if I use SMODEL or DFT computation of a CC model, the weights are 
 > instead scaled with the amplitude.
 > 
 > Do CALIB, FRING, BLCAL and others use the same routines to divide by a 
 > model? I find it a bit difficult to follow these parts of the source code 
 > with all the branches for different model types etc.
 > 
Right you are - a fix should appear tomorrow.  Any task that divides
by a model uses these routines - so the three you mentioned and more.

Thanks,

Eric Greisen