[GRASS5] r.fill.dir2 - fortran assistance wanted

[Markus Neteler]

Hi all,

 I have updated the r.fill.dir (needed to generate sinkless
DEMS) partly to FP: the C-code should manage the existing
raster types now using the idea of Huidae Cho (recently
re-posted by Eric).

However, the core algorithm is Fortran which I don't
know. This needs to be updated to FP as well. For
a Fortram programmer this might be a snap...

The "new" code is now at:
src/raster/r.fill.dir2

I would be glad if someone could look into that. Such algorithm
is quite important (especially to have it accepting FP DEMs).

Many thanks in advance,

 Markus

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