It doesn't do any copying. On Thu, May 19, 2011 at 3:27 AM, Christian Höner zu Siederdissen <choe...@tbi.univie.ac.at> wrote: > Hi, > > I'd like to use repa in a rather perverted mode, I guess: > > for my programs I need to be able to update arrays in place and > repeatedly perform operations on them. > Right now, it basically works like this (in ST): > > - create unboxed space using "primitive" (same as unboxed vectors) > - unsafefreeze unboxed space > - perform calculations on frozen, immutable space > - write result into mutable space (which is shared with the unsafefrozen > space) > > - In principle, this should work with repa as well, I think. The > question is: does "Repa.Internals.Base.fromVector" any copying, or > does it just use the unboxed vector as-is internally? > > should I expect any problems? ;-) > > Gruss, > Christian > > _______________________________________________ > Glasgow-haskell-users mailing list > Glasgow-haskell-users@haskell.org > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users > >
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