#2272: Improve consistency in random generator usage
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Reporter: neteler | Owner: grass-dev@…
Type: defect | Status: new
Priority: major | Milestone: 7.0.0
Component: Default | Version: svn-releasebranch70
Keywords: random | Platform: Unspecified
Cpu: Unspecified |
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Comment(by annakrat):
Replying to [comment:7 glynn]:
> Replying to [comment:6 neteler]:
> > By chance I found
> >
> > raster/simwe/simlib/random.c
> >
> > /* uniform random number generator (combined type) */
> >
> > Should that be replaced as well (how)?
>
> ulec() can be replaced by G_drand48().
>
> seedg() isn't used.
>
> seeds() is always called with fixed values (12345 and 67891). Either
call G_srand48() with a fixed value (if repeatability is important), or
call G_srand48_auto() for a non-deterministic seed (if it isn't), or add a
seed= option to the modules.
Done in r63216 and backported. The seed is fixed value.
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Ticket URL: <http://trac.osgeo.org/grass/ticket/2272#comment:8>
GRASS GIS <http://grass.osgeo.org>
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