On Wed, Dec 30, 2015 at 12:17 PM, Helmut Kudrnovsky <[email protected]> wrote: >>Like this you check if the difference is very small and below the >>acceptable threshold. >>In C, we use GRASS_EPSILON for these comparisons. > > now done with GRASS_EPSILON 1.0e-15 > > r.mapcalc expression=difftestepsilon = if( abs( accum32bit@accumtest - > accum64bit@accumtest) <= 1.0e-15, 1 , 100 ) > > attached a screenshot of this map > > accum_diff_wingrass32bitvs64bit.png > <http://osgeo-org.1560.x6.nabble.com/file/n5243286/accum_diff_wingrass32bitvs64bit.png>
Mhh.. Can you open a ticket with all relevant bits + the difference screenshot along with a legend and "r.univar -e" output? thanks Makrus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
