[Rd] qr.qty call to "dqrqty"

[Paul Gilbert]

The .Fortran call to  "dqrqty" in qr.qty does not specify DUP which means it defaults
to TRUE.  I have looked through the fortan code for dqrqty and routines it calls and
also done some testing but cannot find any reason that would cause a problem with
DUP=FALSE.

I realize this is considered the "risky" option, but the change can result in
considerable memory saving in some problems. Can this .Fortran call can be changed?

Paul Gilbert


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