Commits

Srikrishna Sekhar authored c6d76ad807f
CAS-14201 : Modify tclean(niter=0) to respect mask

In the niter=0 case, task_tclean.py has been modified to now respect the input mask if present. If there is no input mask present, a default mask is generated (similar to the niter > 0 case) -- this is a change from previous behaviour where tclean did not create a mask for niter=0. This change now brings it in line with the behaviour of task_deconvolve, that similarly creates a mask for niter=0 Currently the behaviour for a newly generated mask with niter=0 follows that of niter>0 - i.e., if there is no mask present, and the "default" is generated, for the purposes of computing statistics it is assumed that the mask is filled with ones rather than zeros.

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