Hi,
I am having trouble with the following computation, which gives me an
overflow warning ("WARNING: Overflow occured in the calculation").
r.mapcalc "A = if(B==0, (round(C/0.0001)-1175699902)/(3007966667-1175699902) *100.0,
1)" --overwrite
whereby C is a map with values between 1 and 31000. It seems to be
related to the size of the numbers (no warning if I divide C by 0.001),
but I am not clear what limit I am hitting here or how to avoid this.
The warning does not stop the calculation, and the resulting map seems
to be correct. However, I rather avoid this warning, also because the
warning message causes problems when running in batch from within R.
I am running GRASS 7.0 on Ubuntu 13.04 64 bit.
Best
Paulo
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